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WO2019092808A1 - Emballage individuel d'article absorbant - Google Patents

Emballage individuel d'article absorbant Download PDF

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Publication number
WO2019092808A1
WO2019092808A1 PCT/JP2017/040266 JP2017040266W WO2019092808A1 WO 2019092808 A1 WO2019092808 A1 WO 2019092808A1 JP 2017040266 W JP2017040266 W JP 2017040266W WO 2019092808 A1 WO2019092808 A1 WO 2019092808A1
Authority
WO
WIPO (PCT)
Prior art keywords
absorbent article
disposed
individual package
fastening
folding
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/JP2017/040266
Other languages
English (en)
Japanese (ja)
Inventor
木村　真由美
剛大 石川
聰 田中
大和 益井
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Kao Corp
Original Assignee
Kao Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Kao Corp filed Critical Kao Corp
Priority to CN201780061798.2A priority Critical patent/CN110022810A/zh
Priority to PCT/JP2017/040266 priority patent/WO2019092808A1/fr
Priority to JP2018534753A priority patent/JP6442646B1/ja
Priority to TW107126850A priority patent/TWI832822B/zh
Publication of WO2019092808A1 publication Critical patent/WO2019092808A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F13/00—Bandages or dressings; Absorbent pads
    • A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F13/00—Bandages or dressings; Absorbent pads
    • A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
    • A61F13/45—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the shape
    • A61F13/47—Sanitary towels, incontinence pads or napkins
    • A61F13/472—Sanitary towels, incontinence pads or napkins specially adapted for female use
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F13/00—Bandages or dressings; Absorbent pads
    • A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
    • A61F13/53—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F13/00—Bandages or dressings; Absorbent pads
    • A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
    • A61F13/56—Supporting or fastening means

Definitions

  • the present invention relates to an individual package of absorbent articles.
  • Sanitary goods such as sanitary napkins may contain a perfume as a volatile component not only for absorbing body fluid but also for suppressing the smell of excrement fluid and for removing unpleasant feeling.
  • a perfume as a volatile component not only for absorbing body fluid but also for suppressing the smell of excrement fluid and for removing unpleasant feeling.
  • Patent Document 1 describes a packaged absorbent article for feminine hygiene which contains non-aqueous volatile material capable of transmitting the sense of good smell or cold to a wearer.
  • the packaging material it is described to use one with low permeability.
  • Patent Document 2 describes an individual package of an absorbent article using a packaging sheet including an airtight layer and a fusion layer having a melting point lower than that of the airtight layer from the viewpoint of enhancing the airtightness.
  • Patent Document 3 describes an individual package of an absorbent article that uses a packaging sheet with a low oxygen permeability to make it difficult to volatilize volatile components contained.
  • a drug containing a volatile component and a solvent holding the volatile component impregnates the seal area of the package sheet to act as a seal liquid, and the airtightness of the storage space of the individual package is It is said to be rising. Further, a technique is described which makes it difficult to form an air passage in the seal area.
  • the present invention is an absorbent article containing a volatile component, which has a longitudinal direction corresponding to the direction connecting the abdomen, crotch and back of the wearer, and a width direction perpendicular to the longitudinal direction.
  • An individual package of an absorbent article comprising a packaging material covering a garment-facing surface of the absorbent article, wherein the individual package includes both the absorbent article and the packaging material in the longitudinal direction. It has a folding structure in which it is folded along two or more folding lines in a direction and the skin contact surface of the absorbent article is enclosed, and the packaging material is a laminate of a fusion layer and an airtight layer.
  • the folded packaging material has a pair of fusion sealing regions in which the fusion layers are joined with the fusion layers facing each other outward in the longitudinal direction of the absorbent article, and the individual package is folded And a seal fixing area disposed at the opening in the structure, the coating of the absorbent article And a plurality of fastening parts and fastening part non-arranged parts covered by the packaging material, and the fastening parts are spaced apart from each other, and the following (A1) and An individual package of an absorbent article is provided which comprises at least one of the structures of (A2).
  • the fastening portion non-arrangement portion of the absorbent article has a portion extending in the width direction, a gas vent is disposed in the fusion seal area of the packaging material, and the fastening portion non-arrangement portion A structure in which the portion extending in the width direction and the gas venting portion of the fusion sealing region are in communication in the width direction.
  • the fastening portion non-placement portion of the absorbent article has a portion extending in the longitudinal direction, and a gas vent is disposed in the sealing and fixing area of the packaging material, and the fastening portion non-placement portion A structure in which the longitudinally extending portion and the degassing portion of the sealing and fixing area communicate with each other in the longitudinal direction.
  • FIG. 2 is a cross-sectional view schematically showing a cross section taken along line II-II in the individual package shown in FIG. It is sectional drawing which expands a part of layer structure of the packaging material which comprises an individual packaging body, and is shown typically.
  • FIG. 2 is a perspective view schematically showing the sanitary napkin constituting the individual wrapping shown in FIG. 1 together with the wrapping material, with a part thereof unfolded (prior to folding) before being individually wrapped.
  • FIG. 1 shows the 1st embodiment of the structure which exhausts the volatile gas of the volatile component in the individual package of this embodiment, and (A) unwraps the package of the individual package and from the side opposite to clothing It is the top view shown, (B) is the top view shown from the folding central part side of an individual wrapping object, and (C) is the field side where the 1st folding end and the 2nd folding end of an individual wrapping overlap. It is the top view shown from (the side with an opening). (A) is a partially enlarged plan view showing the arrangement pattern of the degassing part of the fusion sealing area of the packaging material in FIG. 5 (B) and (C) together with the fastening part non-arranged part of the napkin, Fig.
  • FIG. 7 is a partially enlarged plan view showing another preferable arrangement pattern of the degassing part in the fusion sealing area together with the fastening part non-arranging part of the napkin.
  • It is a top view which shows the 2nd embodiment of the structure which exhausts the volatile gas of the volatile component in the individual package of this embodiment
  • (A) is a package which is unwrapped of the individual package and is seen from the side opposite to clothing. It is the top view shown
  • (B) is the top view shown from the folding central part side of an individual wrapping object
  • (C) is the field side where the 1st folding end and the 2nd folding end of an individual wrapping overlap. It is the top view shown from (the side with an opening).
  • the present invention relates to an individual package of an absorbent article having a mechanism for suppressing the rupture of a packaging material, even when volatile components volatilize from the absorbent article.
  • packaging materials having high gas barrier properties may be used.
  • the individual packaging may be expanded by the volatilization of the active ingredient, and the packaging material may be ruptured, in which case the active ingredient disappears and the hygiene condition is maintained. It disappears.
  • the individual package of the absorbent article of the present invention even if the volatile component volatilizes from the absorbent article, it can be gradually removed from the individual package, and the burst of the packaging material can be suppressed.
  • the absorbent article refers to an article fixed to clothing such as underwear and worn on the body of a wearer to absorb and hold excrement and the like.
  • a sanitary napkin, a panty liner (cradle sheet) and the like can be mentioned.
  • the absorbent article has a side facing the wearer (skin) and a side facing the garment.
  • the side facing the wearer is also referred to as the skin surface side, the skin contact surface side or the front surface side, and the side facing the clothing on the opposite side is the non-skin surface side, the non-skin contact surface side or the back surface side
  • the side facing the wearer is also referred to as the skin surface side, the skin contact surface side or the front surface side
  • the side facing the clothing on the opposite side is the non-skin surface side, the non-skin contact surface side or the back surface side
  • the side facing the wearer is also referred to as the skin surface side, the skin contact surface side or the front surface side
  • the absorbent article has a longitudinal shape in a state in which the individual package is unfolded and deployed, and has a front part, a middle part and a rear part corresponding to the abdomen, crotch and back of the wearer. In this shape, it has a longitudinal direction corresponding to a direction connecting the belly side, the crotch and the dorsal side of the wearer, and a width direction perpendicular to the longitudinal direction.
  • the packaging material has a longitudinal direction and a width direction in a state where the individual packaging is unfolded and developed.
  • the longitudinal direction in the absorbent article and the packaging material corresponds to the direction in which the absorbent article and the packaging material are folded. Therefore, in the individual package, the longitudinal direction means the longitudinal direction of the absorbent article and the packaging material, and also means the direction in which the absorbent article and the packaging material are folded.
  • the individual wrapping body of the present embodiment will be described as the individual wrapping body 30 of the sanitary napkin 10 (hereinafter, also simply referred to as the napkin 10).
  • the front part, the middle part and the rear part described above are denoted by the symbols F, C and R, and the longitudinal direction and the width direction are also referred to as the Y direction and the X direction.
  • both of the sanitary napkin 10 and the wrapping material 20 are two or more fold lines in the longitudinal direction (Y direction) of the sanitary napkin 10. Will be folded along.
  • the portion including the middle portion C in the longitudinal direction of the sanitary napkin 10 is used as the folding central portion 31 and is folded along the folding lines L1 and L2 before and after that. There is.
  • the portions of the sanitary napkin 10 and the packaging material 20 before and after the folding central portion 31 are referred to as a first folding end 32 and a second folding end 33, respectively.
  • the continuous packaging material 20 is aligned with the division of the folding center portion 31, the first folding end portion 32, and the second folding end portion 33, and the central packaging portion 21, the first folding packaging portion 22, the second folding packaging portion 23 It is said.
  • the individual wrapping body 30 has a folding structure that wraps the skin contact surface 10A of the napkin 10. Specifically, with the packaging material 20 covering the surface 10B of the napkin 10 facing the garment, the first fold end 32 is folded with the skin contact surface 10A of the napkin 10 facing inward, and then the upper side 2Folding end 33 is folded up. The skin contact surface 10A of the napkin 10 is wrapped without being exposed.
  • the side to be opened is referred to as the upper side Z1 and the side opposite to the side to be opened is referred to as the lower side Z2 in consideration of the state at the time of opening.
  • the upper side Z1 and the lower side Z2 show the relative positional relationship in the thickness direction of the folded structure of the individual package 30.
  • the length in the longitudinal direction (Y direction) of the napkin 10 in the central folding portion 31 is longer than the length in the longitudinal direction of the napkin 10 in the first and second folding portions 32 and 33.
  • the individual wrapping body 30 in this case has a portion where the first folding end 32 and the second folding end 33 overlap and a portion which does not overlap on the upper side Z1 of the folding central portion 31. That is, it has a folded three-layer structure and a two-layer structure.
  • the outer surface of the individual package 30 corresponds to the outer surface 51 corresponding to the folding center portion 31, the outer surface 52 corresponding to the portion where the first folding end 32 does not overlap the second folding end 33, and the second folding end 33 It has an outer surface 53.
  • the length by which the napkin 10 is folded is not limited to this, and can be set variously.
  • the number of times of folding (the number of folding lines) and the position of the folding lines in the individual wrapping body 30 are not limited to the above embodiment, and can be set as appropriate.
  • the number of times of folding and the position of the folding line are set so as to be a folding structure that wraps the skin contact surface 10A.
  • the laminate of the napkin 10 and the packaging material 20 it is preferable to set the number of times of folding and the position of the folding line so that the middle part C of the napkin 10 becomes the folding center part 31.
  • the back portion R is elongated, such as a night napkin, the back portion R can be folded in two and folded in four in total.
  • the packaging material 20 is shown as a thing longer than the napkin 10 in this embodiment, not only this but a thing shorter than the napkin 10 may be used. It is preferable that the wrapping material 20 be disposed beyond the end of the napkin 10 at the upper second folded end 33 to be finally folded, even if it is short. In this case, at the lower first folding end 32, the packaging material 20 is insufficient for the length of the napkin 10, and a partially uncovered part is generated. Therefore, "covering" the surface 10B of the packaging material 20 facing the garment 10 of the napkin 10 is not limited to covering the entire surface 10B of the napkin 10 facing the garment, but includes covering a part of the surface 10B. .
  • the packaging material 20 is a member having a fusion layer 24 and an airtight layer 25 and having high airtightness.
  • the fusion layer 24 is made of a fusion resin component and has a melting point lower than that of the hermetic layer 25.
  • the adhesive layer 24 and the airtight layer 25 can prevent interface peeling of each other by arranging an adhesive layer therebetween.
  • the hermetic layer 25 has high gas barrier properties, and the oxygen permeability is suppressed lower than that of the fusion layer 24.
  • the oxygen permeability can be measured based on the coulomethylic method or the differential pressure method.
  • the oxygen permeability as measured by the differential pressure method is preferably 900 mL / m 2 ⁇ day atm or less, more preferably 100 mL / m 2 ⁇ day atm or less, and 50 mL / m 2 ⁇ day ⁇ atm under a 23 ° C. environment.
  • the packaging material 20 is composed of three layers in which both sides of the airtight layer 25 are covered with the fusion layer 24.
  • the present invention is not limited to this, and two layers of the fusion layer 24 and the airtight layer 25 may be used, and another lamination mode may be provided.
  • the fusion layer 24 of the packaging material 20 is disposed corresponding to the surface 10B of the napkin 10 facing the garment.
  • the napkin 10 has a top sheet 1 on the skin contact surface side facing the wearer, a back sheet 2 on the non-skin contact surface side facing the clothing, and liquid retention between the two sheets.
  • the absorber 3 is provided.
  • the top sheet 1 has a liquid-permeability that sends the excrement fluid to the absorber 3, and the back sheet 2 has a leakproof property to the excrement fluid.
  • the top sheet 1 and the back sheet 2 have a size that extends outward of the outer edge of the absorber 3 while covering both surfaces of the absorber 3. Furthermore, on both sides of the skin contact surface side of the top sheet 1, side sheets 5 for preventing lateral leakage of the excrement fluid are laminated.
  • the napkin 10 shown in FIG. 4 has a shape in which the front part F, the middle part C and the rear part R are divided into three equal parts and set for daytime and the like.
  • the individual wrapping body 30 is not limited to this. For example, for night use, it may have a wide rear flap covering the buttocks, and the rear part R may be longer than the front part F and the middle part C.
  • the napkin 10 may have other members in addition to the above configuration.
  • a liquid diffusive intermediate sheet may be disposed between the top sheet 1 and the absorber 3.
  • a pair of wing portions may be provided as one of fixing means to the clothes or the like.
  • the wing may be formed by the side sheet.
  • it may have a leak-proof groove squeezed from the top sheet 1 to the absorber 3, a plurality of embossments on the top sheet 1, and the like.
  • the napkin 10 contains volatile components such as a fragrance and a cooling agent.
  • the position to contain can be suitably set by the use etc. However, it is preferable that the volatile component is contained in the absorber 3 from the viewpoint of sufficiently exerting the effect at the time of use without diffusing to the outside as much as possible before the use. It is preferable that at least the application part of liquid volatile component or volatile component-containing liquid (sometimes simply referred to as “application part of volatile component”) be in the absorber. Moreover, it is more preferable that the application part of a volatile component is in the position which does not overlap with the below-mentioned mutually separable fastening parts 8 in the thickness direction of the napkin 10.
  • the volatile component-containing liquid is a coating liquid in which a volatile component and a solvent are mixed.
  • a solvent various ones commonly used can be adopted.
  • dipropylene glycol, polypropylene glycol, triethyl citrate, benzyl benzoate and the like can be mentioned.
  • the application part of the volatile component is a part initially contained in the manufacturing process of the napkin 10. Therefore, the application part of the volatile component is a part where the volatile component is the largest in the napkin 10 (a part where the contained basis weight is the largest).
  • the napkin 10 has a plurality of fastening portions 8 for fixing the napkin 10 to clothes, on the non-skin surface side of the back sheet 2 and on the surface 10B side facing the clothing.
  • the fastening portion 8 is a means for securing to a garment when using the napkin 10, and is peelable and has an adhesive force to prevent the napkin 10 and the garment from shifting.
  • a plurality of fastening portions 8 are arranged apart from each other on the non-skin surface side of the back sheet 2.
  • a plurality of portions where the fastening portion 8 is not disposed are disposed as a plurality of fastening portion non-arranged portions 9. The preferable arrangement of the fastening portion 8 and the fastening portion non-arranged portion 9 will be described later.
  • the napkin 10 and the packaging material 20 are folded along the folding lines L1 and L2 with the top sheet 1 side inside (folded in the order of arrows S1 and S2 shown in FIG. 4), and the individual packaging described above It is a body 30.
  • the individual wrapping body 30 has a pair of fusion sealing regions 34 formed by joining the folded wrapping material 20 on both sides outward (in the width direction (X direction) end portion outward) of the napkin 10 in the longitudinal direction.
  • the fusion seal area 34 is a part in which two sheets of the packaging material 20 are laminated and a part in which the three sheets are laminated, in accordance with the number of overlapping of the folding central portion 31, the first folding end 32 and the second folding end 33. And.
  • the fusion layers 24 of the folded packaging material 20 face each other and are fusion-bonded regardless of the number of overlapping of the packaging materials 20. Thereby, the bonding strength of the welded portion is enhanced as compared with the case of bonding by the adhesive.
  • the bonding strength of the fusion seal area 34 is such that it can be peeled off by the force applied when the individual package 30 is opened.
  • the fusion bonding of the fusion layers 24 of the packaging material 20 in the fusion seal area 34 can be performed by various methods commonly used. For example, a heat embossing process, an ultrasonic embossing process, a corona treatment, a plasma process etc. are mentioned. Above all, when fusion bonding is performed by heat embossing, the peel strength and air tightness can be adjusted to the desired range by adjusting the emboss shape and size, and further by performing corona treatment or plasma treatment Adhesiveness of the bonding joint can be enhanced, which is preferable.
  • the individual package 30 has an opening 35 at the overlapping portion of the first and second folding end portions 32 and 33.
  • the opening portion 35 has an extension portion 23A of the second fold packaging portion 23 which is longer than the napkin 10 at the second fold end portion 33 located on the upper side, and a first fold packaging portion of the lower first fold end portion 32. 22 is a portion to be stacked.
  • the sealing and fixing area 36 is disposed along the width direction (X direction) of the packaging material 20.
  • the sealing and fixing area 36 overlaps the pair of fusion sealing areas 34 and 34 located on the opposite side edges of the individual package 30 in a plan view, and extends inward in the width direction.
  • the extending portion 23A of the second folding and wrapping portion 23 and the lower first folding and wrapping portion 22 can be peeled off by the force at the time of opening. It is joined.
  • This bonding can be performed by various methods. As in the fusion seal area 34, bonding may be by heat melting or bonding by an adhesive.
  • An opening tab tape 37 is disposed in the packaging material 20 near the opening 35.
  • the opening tab tape 37 may be optionally disposed, or may be absent. From the viewpoint of enhancing the openability, it is preferable to have the opening tab tape 37. Further, instead of the opening tab tape 37, a projection (picking portion) may be provided on a part of the packaging material 20 corresponding to the opening 35.
  • the volatile components contained in the napkin 10 are prevented from leaking out by the fusion seal areas 34, 34 and the seal fixing area 36 of the packaging material 20. Further, the airtightness is enhanced by the airtight layer 25 of the packaging material 20.
  • the individual wrapping body 30 of the present embodiment is provided with a mechanism in which even if the volatile component contained in the napkin 10 volatilizes, it is gradually removed and the wrapping material does not burst.
  • This mechanism is realized by the following structure.
  • the individual package 30 has a structure for exhausting volatile gas of volatile components generated inside.
  • the said structure is provided between the packaging material 20 and the back surface sheet 2 (surface 10B facing clothing) side of the napkin 10 in the outer surface 51, 52 and 53 side of the individual packaging body 30.
  • This arrangement corresponds to the fact that the volatile component becomes volatile gas, and the gas concentration tends to easily shift to the back sheet 2 and the fastening portion 8 side of the napkin 10 on the air side from the inner side of the package.
  • the first embodiment comprises the following structure (A1): (A1)
  • the fastening portion non-placement portion 9 of the napkin 10 has a portion extending in the width direction, and the gas venting portion 341 is disposed in the fusion seal area 34 of the packaging material 20.
  • the second embodiment comprises the following structure (A2): (A2)
  • the fastening portion non-arranged portion 9 of the napkin 10 has a portion extending in the longitudinal direction, and the gas venting portion 361 is disposed in the sealing and fixing area 36 of the packaging material 20.
  • a structure in which a portion extending in the direction and the degassing portion 361 of the sealing and fixing area 36 are in longitudinal communication.
  • the third embodiment includes both the above (A1) and (A2).
  • the fastening portion 8 has a length extending in the width direction on the surface 10B facing the garment, and a plurality of the fastening portions 8 are arranged at equal intervals in the longitudinal direction (see FIG. 5 (A)).
  • fastening portion non-arranged portions 9 are disposed between adjacent fastening portions 8.
  • the fastening portion non-placement portion 9 extends in the width direction along the fastening portion 8 (hereinafter, a portion extending in the width direction is distinguished from the others and is referred to as a fastening portion non-placement portion 91 ).
  • the face 10B facing the garment has a pair of fastening part non-arranged parts 9, 9 having a predetermined width outward in the width direction of the region 85 where the fastening part 8 is disposed and extending in the longitudinal direction (Hereinafter, this portion is distinguished from the others and is referred to as a fastening portion non-arranged portion 92.).
  • the fastening portion 8 and the fastening portion non-arranged portion 9 are located on the outer surface side of the folding structure of the individual wrapping body 30 in a state of being covered by the wrapping material 20.
  • the fastening portion 8 and the fastening portion non-arranged portion 91 extending in the width direction are provided on the entire surface of the outer surface 51 of the individual package 30. They are alternately arranged in the longitudinal direction (folding direction).
  • the fastening portion non-arranged portion 92 is disposed between the widthwise outermost end 85A of the region 85 where the fastening portion 8 is disposed and the widthwise innermost end 34A of the fusion sealing region 34. ing.
  • the fastening portion 8 is disposed on the respective outer surfaces 52 and 53, and the fastening portion A non-arranged portion 91 and a fastening portion non-arranged portion 92 are arranged.
  • the fastening portion 8, the fastening portion non-arranged portion 91 and the fastening portion non-arranged portion 92 are covered with the packaging material 20 in any of the outer surfaces 51, 52 and 53.
  • the fastening portion 8 is releasably joined to the packaging material 20, and the fastening portion non-arranged portion 91 and the fastening portion non-arranged portion 92 are not joined to the packaging material 20, and a space is formed between both members. ing.
  • the ventilation path 911 extending in the width direction along the fastening portion non-arranging portion 91 extending in the width direction of the fastening portion non-arranging portion 9 in the longitudinal direction It occurs intermittently.
  • a longitudinally extending air passage 921 is connected to the fusion seal area 34 corresponding to the portion of the fastening portion non-arranged portion 92 outward in the width direction of the region 85 where the fastening portion 8 is disposed, A pair 921 is generated.
  • the air passages 911 and 921 are located in the region where the volatile gas of the volatile component is easily collected in the individual package 30, and serve as a passage for the volatile gas.
  • the individual package 30 has the following structure (A1) of exhausting volatile gas of volatile component using the air passage 911 of the fastening portion non-arranged portion 91 extending in the width direction.
  • a fusion seal area 34 is present at the end passing through the air passage 911 generated in the fastening portion non-arranged portion 91 and reaching the width direction end, and the fusion seal area 34 has a gas release part 341.
  • the fastening portion non-arranged portion 91 and the degassing portion 341 are covered by the highly airtight packaging material 20 to form a continuous space, and a structure for guiding the volatile gas of the volatile component outward in the width direction.
  • a structure (A1) is formed in which the fastening portion non-arranged portion 91 extending in the width direction and the degassing portion 341 of the fusion seal region 34 communicate with each other in the width direction.
  • the structure (A1) is disposed on the outer surface 51, 52 and 53 of the individual package 30 on the surface 10B of the napkin 10 facing the garment.
  • the “communication” means that the volatile gas can move along the structure (A1) in the individual package 30 and can be exhausted outward (hereinafter, the structure (A2 of the second embodiment and the second embodiment)
  • the structure (A2) of the third embodiment The same applies to structures (A1) and (A2) of the third embodiment.
  • the degassing portions 341 of the fusion seal areas 34, 34 on both the left and right sides are a plurality of fusion joints disposed in the fusion seal area 34 as shown in the enlarged views in the circles of FIGS. 5 (B) and 5 (C). It is formed between the parts 342. Specifically, a plurality of fusion bonded portions 342 are arranged separately from each other in the longitudinal direction of the napkin 10, and the separated portions in the arrangement are the gas vents 341. At the degassing portion 341, the packaging material 20 is not fused and the gap can be opened and closed.
  • the degassing part 341 Since the degassing part 341 is between the fusion bonding parts 342 and the packaging materials 20 do not fuse together, the degassing part 341 can be opened by the pressure of the induced volatile gas. Thus, the degassing portion 341 of the fusion seal area 34 works in conjunction with the pressure of the volatilized gas to allow for gradual evacuation of the volatilized gas.
  • the direction in which the volatile gas flows along the fastening portion non-arranged portion 91 and the direction in which the volatile gas flows along the degassing portion 341 are the same. Is preferred. Further, it is more preferable that the degassing portion 341 be present in the vicinity of the extension of the fastening portion non-arranged portion 91, and it is further preferable that the at least one degassing portion 341 be present on the extension of the fastening portion non-arranged portion 91. .
  • the exhaust of the volatile component volatile gas outward in the width direction can generate, for example, a pressing force on the packaging material 20 as a driving force.
  • the volatile component volatile gas that collects on the surface 10B of the napkin 10 facing the garment when a force that squeezes inward from the outer surfaces 51, 52 and 53 of the individual package 30 is applied is not a fastening portion non-arrangement portion It is induced in the width direction along 91.
  • the degassing portion 341 of the fusion seal region 34 is opened by the pressure of the volatilized gas to be induced, and the volatilized gas gradually escapes (arrows shown in FIGS. 5B and 5C). As a result, it is possible to suppress the burst without the volatilization gas of the volatile component being accumulated in the individual package 30 too much.
  • a plurality of rows of fused portions 342 aligned in the longitudinal direction of the napkin 10 be arranged in the width direction.
  • the degassing part 341 has a predetermined length along the line of the fusion part 342 aligned in the width direction, and the discharge amount of the volatile gas can be suitably controlled.
  • the rows of fused portions 342 may be arranged at the same pitch (FIG. 6A) or may be arrayed at a different pitch ((6) FIG. 6 (B). In the case of different pitches, the pitch is appropriately set so that the gas removal amount can be suitably controlled while holding the communication mechanism.
  • air passages 921 and 921 which are connected to the fusion seal area 34 and extend in the longitudinal direction corresponding to the fastening portion non-arranged portion 92 are provided outward in the width direction of the region 85 where the fastening portion 8 is disposed. Is preferred.
  • the ventilation passage 911 extending in the width direction in the fastening portion non-arranged portion 91
  • the fusion seal area 34 is less likely to be subjected to excessive pressure, and more efficiently, it is possible to suppress bursting and gradually exhaust the volatile gas.
  • the interval (H1) of the gas venting portion 341 disposed in the fusion seal area 34 is smaller than the distance (H2) between the fastening portions 8 and 8 Is preferred.
  • the "interval of the gas vents 341" as used herein is the length in the longitudinal direction of each gas vent 341, and is the length in the longitudinal direction between the fused portions 342, 342 separated in the longitudinal direction.
  • the “distance between the fastening portions 8, 8” is a longitudinal length between the fastening portions 8, 8 spaced apart in the longitudinal direction, and the longitudinal direction of each fastening portion non-arranged portion 91 extending in the width direction It is the length (the width of the air passage 911).
  • the interval (H1) of the degassing portion 341 is grasped as a value at least at the innermost end 34A in the width direction of the fusion sealing region 34. Thereby, the degassing part 341 can suppressly exhaust the volatile gas moving along the fastening part non-arranged part 91 while storing it within an acceptable range.
  • the ratio (H1 / H2) of the distance (H1) of the degassing portion 341 disposed in the fusion seal area 34 to the distance (H2) between the fastening portions 8 and 8 is from the viewpoint of enhancing the exhaustability of volatile gas. 1/10 or more is preferable and 1/5 or more is more preferable. Further, the ratio (H1 / H2) is preferably 4/5 or less, more preferably 7/10 or less, from the viewpoint of suitably suppressing the outgas amount.
  • the distance (H1) of the degassing portion 341 is preferably 0.3 mm or more, and more preferably 0.5 mm or more, from the viewpoint of enhancing the exhaust of the volatile gas for avoiding the burst.
  • the distance (H1) of the degassing portion 341 is preferably 1.0 mm or less, and more preferably 0.8 mm or less, from the viewpoint of gradually exhausting the gas so that the effect of the volatile component is maintained.
  • the distance (H2) between the fastening portions 8, 8 is preferably 0.75 mm or more, and more preferably 1.0 mm or more, from the viewpoint of enhancing the exhaust of the volatile gas for avoiding bursting.
  • the distance (H2) between the fastening portions 8 and 8 is the viewpoint of suppressing the rupture of the fusion seal area 34 due to the increase of the movement amount of the volatile gas, and the fastening property of the fastening portion 8 to the original napkin 10 From the viewpoint of holding, 3.0 mm or less is preferable, and 2.5 mm or less is more preferable.
  • the width (W1) of the fusion seal region 34 having the degassing portion 341 is preferably 2.5 mm or more from the viewpoint of gradually exhausting the gas so that the effect of the volatile component is maintained. .0 mm or more is more preferable.
  • the width (W1) of the fusion seal region 34 in the width direction is preferably 7.5 mm or less, and more preferably 6.0 mm or less, from the viewpoint of enhancing the exhaust of the volatile gas for avoiding burst.
  • the fastening portions 8 have a length that extends in the longitudinal direction of the napkin 10 and are disposed apart from each other in the width direction.
  • the two fastening portions 8 are divided into right and left in the width direction.
  • a longitudinally extending fastening portion non-arranged portion 9 is disposed between the fastening portions 8 and 8 (hereinafter, the longitudinally extending portion is distinguished from the other to provide a stationary portion non-arranging portion 93 and say.).
  • the fastening portion non-placement portion 93 is disposed at the central portion in the width direction.
  • the number of the fastening part 8 and the fastening part non-arranged part 93 is not limited to the aspect shown to FIG. 7 (A), It can set suitably. In that case, the fastening portion non-arranged portion 93 is preferably disposed at least near the center in the width direction.
  • the fastening portion 8 and the fastening portion non-arranging portion 93 are covered with the packaging material 20, and the fastening portion non-arranging portion 93 and the packaging material 20 form a space without being joined. .
  • a space between the fastening portion non-arranged portion 93 and the wrapping material 20 forms an air passage 931 extending in the longitudinal direction (folding direction) on the outer surface side of the individual wrapping body 30. Similar to the first embodiment, the air passage 931 is in a region where volatile gas of the volatile component is easily collected in the individual package 30, and is a passage of the volatile gas.
  • the air passage 931 formed by the fastening portion non-arranged portion 93 and the packaging material 20 is continuous through the outer surface 51 of the folding central portion 31, the outer surface 52 of the first folding end 32, and the outer surface 53 of the second folding end 33. It is arranged. Thus, the volatile gas can be moved along the folding direction of the individual package 30 (FIGS. 7B and 7C).
  • the individual package 30 has the following structure (A2) for exhausting volatile gas of volatile component by utilizing the air passage 931 of the non-arranged portion 93 extending in the longitudinal direction. That is, there is a sealing and fixing area 36 at the end which passes through the air passage 931 generated in the fastening part non-arranged part 93 and reaches the opening port 35 of the second folding end 33 in the longitudinal direction. 36 has the degassing part 361 (FIG. 7 (C)).
  • the fastening portion non-placement portion 93 and the degassing portion 361 are covered by the highly airtight packaging material 20 to form a continuous space, and a structure for guiding the volatile gas from the sealing and fixing area 36 in the longitudinal direction outward.
  • a structure (A2) is formed in which the fastening portion non-arranged portion 93 extending in the longitudinal direction and the degassing portion 361 of the sealing and fixing area 36 communicate in the longitudinal direction.
  • the structure (A2) is disposed from the outer surface 52 of the first folding end 32 through the outer surface 51 of the folding center 31 to the outer surface 53 of the second folding end 33.
  • the degassing portion 361 in the sealing and fixing area 36 is a portion where the sealing and fixing area 36 extending in the width direction is not joined as shown in FIG. 7C. In more detail, it is a part by which the extension part 23A of the 2nd folding packaging part 23 and the lower 1st folding packaging part 22 are not joined.
  • the direction of flow of the volatile gas along the fastening portion non-arranged portion 93 and the direction of flow of the volatile gas along the degassing portion 361 from the viewpoint of better expressing the exhaust of the volatile gas by communication It is preferable that it is the same. Further, it is more preferable that the degassing portion 361 be present in the vicinity of the extension of the fastening portion non-arranged portion 93, and it is further preferable that the at least one degassing portion 361 be present on the extension of the fastening portion non-arrangement portion 93. . Specifically, as shown in FIG.
  • the degassing portion 361 be present in the width direction of the fastening portion non-arranged portion 93 extending in the longitudinal direction. Further, from the viewpoint of gradually discharging the volatile component volatile gas, the length (H3) in the width direction of one degassing portion 361 is the length in the width direction of one fastening portion non-placement portion 93 (H3) More preferably it is smaller than H4).
  • the ratio (H3 / H4) of the length (H3) in the width direction of one degassing portion 361 in the sealing and fixing area 36 to the length (H4) in the width direction of one fixing portion non-arrangement portion 93 is From the viewpoint of enhancing the exhaustability of volatile gas, 1/10 or more is preferable, and 1/5 or more is more preferable. Further, the ratio (H3 / H4) is preferably 4/5 or less, more preferably 7/10 or less, from the viewpoint of suitably suppressing the outgas amount.
  • the length (H3) of the degassing portion 361 in the width direction is preferably 1.5 mm or more, and more preferably 3.0 mm or more, from the viewpoint of enhancing the exhaust of the volatile gas for avoiding the burst. Further, the length (H3) in the width direction of the degassing portion 361 is preferably 10 mm or less, more preferably 7.5 mm or less, from the viewpoint of gradually exhausting the gas so that the effect of the volatile component is maintained. .
  • the length (H4) in the width direction of the fastening portion non-arranged portion 93 is preferably 10 mm or more, and more preferably 15 mm or more, from the viewpoint of enhancing exhaust of volatile gas for avoiding breakage.
  • the length (H4) in the width direction of the fastening portion non-arranged portion 93 is the viewpoint of suppressing the rupture of the fusion seal area due to the increase of the movement amount of volatile gas. From the viewpoint of maintaining the fixability, 30 mm or less is preferable, and 25 mm or less is more preferable.
  • the width (W2) of the sealing fixing area 36 having the degassing part 361 in the longitudinal direction is preferably 0.5 mm or more from the viewpoint of gradually exhausting the gas so that the effect of the volatile component is maintained. .0 mm or more is more preferable. Further, the width (W2) of the sealing and fixing area 36 in the longitudinal direction is preferably 3.0 mm or less, more preferably 2.5 mm or less, from the viewpoint of enhancing the exhaust of the volatile gas for avoiding bursting.
  • the longitudinal outward discharge of the volatile component volatile gas can generate, for example, a pressing force on the individual package 30 as a driving force, as in the first embodiment.
  • the volatile gas on the outer surface 51 side of the folding central portion 31 gradually passes over the folding line L2 and can be exhausted from the degassing portion 361 of the sealing and fixing area 36 (arrow shown in FIG. 7 (B) ).
  • the volatilized gas on the outer surface 52 side of the first folding end 32 may gradually be discharged from the degassing portion 361 of the sealing and fixing area 36, gradually crossing the folding lines L1 and L2.
  • the volatilized gas of the volatile component is gradually accumulated in the individual package 30 without accumulating too much, and the burst of the individual package 30 is suppressed.
  • the degassing portions 361 in the sealing and fixing area 36 are disposed on both sides of the opening tab tape 37.
  • the tab tape 37 for opening can suppress a burst of parts other than the gas release part 361, and is preferable.
  • the degassing part 361 in the sealing and fixing area 36 is not limited to this aspect, and may take various forms that can communicate with the fastening part non-arranged part 93.
  • the embodiment may not have the opening tab tape 37. It is preferable that the degassing portion 361 in the sealing and fixing area 36 be at least near the center in the width direction. For example, as shown in FIG.
  • a plurality of degassing portions 361 may be disposed along the sealing and fixing area 36 in addition to the vicinity of the center in the width direction as long as the sealing function is not inhibited. Further, the fastening portion 8 may be divided into a plurality of stripes in the width direction so that the fastening portion non-arranged portions 93 in the longitudinal direction are arranged in a plurality of stripes in the width direction. In accordance with this, the degassing portion 361 in the sealing and fixing area 36 can be appropriately set in a range that does not impair the sealing function.
  • the arrangement of the opening tab tape 37 is preferably as follows. That is, when the volatile component is contained in the absorber 3 of the napkin 10, it is preferable that the fixed end 371 of the opening tab tape 37 be disposed at a position not overlapping the absorber 3 of the napkin 10.
  • the absorbent body 3 is the absorbent body 3 at the second folding end 33 where the fixed end 371 of the opening tab tape 37 is directly disposed. Thereby, the fixing force of the opening tab tape 37 can be held without being affected by the action of the volatile gas of the volatile component in the absorber 3.
  • the free end 372 of the opening tab tape 37 be disposed at a position overlapping the absorbent body 3 of the napkin 10.
  • the absorbent body 3 is the absorbent body 3 at the first folded end 32 where the free end 372 of the opening tab tape 37 is directly disposed.
  • the free end 372 of the opening tab tape 37 is affected by the action of the volatile gas of the volatile component in the absorber 3, and the opening operability due to the decrease in the fixing force may be good.
  • the third embodiment has the structure (A1) of the first embodiment and the structure (A2) of the second embodiment. That is, on the surface 10B of the napkin 10 facing the garment, the fastening portions 8 extending in the width direction are arranged in a plurality of divisions and spaces in the width direction. A plurality of the arrays are arranged at regular intervals in the longitudinal direction. As a result, in the region 85 in which the plurality of fastening portions 8 are disposed, a fastening portion non-arranged portion 91 extending in the width direction and a fastening portion non-arranging portion 93 extending in the longitudinal direction are disposed. In addition, it has a non-arranged portion 92 having a predetermined width and extending in the longitudinal direction outward in the width direction of the region 85 where the anchoring portion 8 is disposed.
  • Both of the structure (A2) in communication with the degassing portion 361 in the region 36 are present in combination.
  • the structure (A1) and the structure (A2) cross each other and communicate with each other. Therefore, in the third embodiment, the structure (A1) and the structure (A2) can be linked to each other to exhaust the volatile gas of the volatile component more efficiently. Thereby, rupture of the individual package 30 can be suppressed more suitably.
  • the fastening portion non-arranged portion 92 can disperse the volatile gas in the longitudinal direction while storing it once and exhaust the gas uniformly in the entire fusion seal area 34, which contributes to gradual exhaustion.
  • the number and arrangement of the fastening portion non-placement portion 91 and the fastening portion non-placement portion 93 are not limited to those shown in FIG. 9 and can be set variously.
  • the individual package 30 of the present embodiment gradually exhausts the volatile gas of the volatile component to prevent the packaging material from bursting even if any of the first to third embodiments described above is included. it can.
  • the individual package 30 itself being less likely to expand, the loss of volatile components can be suppressed, and the sanitary condition of the packaging material can be maintained.
  • the packaging material 20 is preferably one in which the surface of the fusion layer 24 is subjected to a peeling treatment (a material having a peeling treated layer).
  • a peeling treatment a material having a peeling treated layer.
  • the packaging material 20 causes the surface of the fusion layer 24 to directly contact the fastening portion 8 of the surface 10B of the napkin 10 facing the garment without interposing the release paper (the fastening portion 8 is It can be disposed opposite to the peeling treatment layer).
  • Volatile components become volatile gas and volatilize toward the atmosphere from the inner side of the package where the gas concentration tends to be high, and the gas formed in the space formed between the napkin 10 of the individual package 30 and the packaging material 20 Is more likely to be stored.
  • the packaging material 20 By bringing the packaging material 20 into direct contact with the fastening portion 8 of the napkin 10 without interposing the release paper, gas accumulation between the packaging material 20 and the release paper can be avoided. Thereby, the swelling of the individual package 30 due to the volatile gas can be further suppressed. Furthermore, the degassing part 361 of the sealing and fixing area 36, the fastening part non-arranged parts 91, 92 and 93 formed between the napkin 10 and the packaging material 20, and the degassing part 341 of the fusion sealing area 34 Consecutive on the same plane is preferable because it leads to better communication.
  • the bulk softness of the packaging material 20 is preferably 13 cN or more.
  • the packaging material 20 is provided with the rigidity which suppresses the expansion by the pressure of volatile gas.
  • the bulk softness of the packaging material 20 is more preferably 20 cN or more, and still more preferably 40 cN or more.
  • the bulk softness of the packaging material 20 is preferably 75 cN or less, more preferably 65 cN or less, and still more preferably 60 cN or less.
  • the measurement method of bulk softness in the machine flow direction is as follows.
  • the packaging material 20 is cut into a size of 30 mm along the machine flow direction and 150 mm along the width direction to obtain a rectangular test piece. From this test piece, a cylinder with a diameter of 45 mm is formed with the height in the direction of the short side (direction of 30 mm).
  • the overlapping width of the cylinders in the circumferential direction is about 10 mm.
  • the upper end and the lower end of the overlapped portion are the stapler HD-10D made of MAX, needle No. Fix with 10-1M.
  • the maximum load when the cylindrical measurement sample obtained in this manner is compressed in the height direction of the cylinder is measured by a compression tester, and the value is taken as the value of bulk softness.
  • a compression tester RTA-100 (trade name) manufactured by Orientec Co., Ltd. is used.
  • the compression speed is 10 mm / min.
  • bulk softness in the width direction is obtained by cutting the packaging material 20 to a size of 30 mm along the width direction and 150 mm along the machine flow direction, collecting a rectangular test piece, and measuring it in the same manner as described above .
  • the application part of the volatile component mentioned above does not overlap with the fastening part 8 in the thickness direction of the napkin 10.
  • the volatile gas of the volatile component is easily diffused from the back sheet 2 side to the fastening part non-arranged part 9 between the fastening parts 8.
  • gradual exhaustion by the structures (A1) and (A2) described above is more likely to occur more effectively.
  • the diffusion of the volatile gas to the top sheet 1 side can be suppressed. Thereby, it is possible to suppress the decrease in the absorbability of the surface sheet 1 and the stimulation on the skin.
  • the liquid volatile component or volatile component-containing liquid may exude and spread even in the portion overlapping the fastening portion 8.
  • the balance between the diffusion suppression of the volatile gas by the fastening portion 8 and the diffusion from the back sheet 2 side by the fastening portion non-arranged portion 9 may be controlled by the positional relationship between the fastening portion 8 and the application portion. it can. That is, the rupture of the individual package 30 can be suppressed while suitably retaining the effect of the volatile component.
  • the individual package 30 have the following structure from the viewpoint of more effectively avoiding breakage.
  • the individual package 30 preferably has at least any one of the following, more preferably has two or more in combination, and still more preferably has all.
  • the napkin 10 has a shape in which the width narrows toward the front and rear end portions in the longitudinal direction (FIG. 10). Thereby, it is possible to widen the area 27 where the packaging materials 20 (the first fold packaging part 22 and the second fold packaging part 23) facing each other in which the napkin 10 is not disposed in the vicinity of the opening 35 are opposed.
  • the area 27 where the packaging materials 20 face each other has low rigidity, and is an area where volatile gas can be temporarily stored. By this, even if the degassing rate may be lower than the volatilization rate, it is possible to suppress the burst of the individual package 30.
  • the distance between the longitudinal end edge of the napkin 10 and the opening end edge of the packaging material 20 corresponds to the longest position. It is preferable that the degassing part 361 does not exist in the portion 351 of the opening 35 (FIG. 10).
  • the portion 351 of the opening 35 described above in other words, the distance to the point at which the outer edge of the second folding end 33 of the napkin 10 intersects with the perpendicular when the perpendicular is extended from the opening end of the packaging material 20 Is the portion of the opening 35 corresponding to the longest position.
  • the opening port 35 is preferably sealed to be a bag-like portion capable of temporarily storing volatile gas.
  • the accumulated gas is prevented from escaping from the inside of the individual package 30 into the atmosphere, and the volatile gas can be accumulated to a predetermined concentration in the low rigidity area 27 where the napkin 10 is not disposed. Is maintained at a predetermined concentration and is in an equilibrium state in the region 27, the volatilization of the volatile component can be suppressed.
  • the area 27 has a low rigidity and can temporarily store volatile gas, so that expansion and rupture of the individual package 30 can be suppressed.
  • the fastening portion 8 is preferably not disposed at the longitudinal end of the napkin 10 (FIG. 10).
  • the term "longitudinal end of the napkin 10" as used herein refers to the longitudinal front and rear end regions of the front portion F and the rear portion R of the napkin 10. Since there is no fastening portion in this portion, a space is formed between the packaging material 20 (the second fold packaging portion 23) and the napkin 10, the volatile gas is stored to a predetermined concentration, and the equilibrium state is established. Can be suppressed.
  • the fastening portion 8 is preferably in a region corresponding to the arrangement of the absorber 3 in the surface 10B facing the garment.
  • the fixation property to clothing can be improved in the part by which the rigidity of the napkin 10 was raised by the thickness of the absorber 3.
  • FIG. 10 a relatively soft portion other than the portion where the rigidity of the napkin 10 is enhanced becomes the fastening portion non-arranged portion 94 (FIG. 10).
  • the fastening portion non-placement portion 94 enables appropriate swelling with the influence of the rigidity of the absorber 3 suppressed. , Bursting is more likely to be avoided.
  • a volatile component is disposed in the absorber 3.
  • excessive diffusion of volatile gas can be suppressed.
  • volatility of volatile components can be suppressed.
  • the volatile component is at the middle position of the thickness of the napkin 10, movement of the volatile gas to the back sheet 2 side is likely to occur.
  • the absorbent 3 containing a volatile component is composed of a central absorbent sheet 3A and a main absorbent sheet 3B which wraps the central absorbent sheet 3A.
  • the central absorbent sheet 3A is folded in three at both ends in the width direction, and the main absorbent sheet 3B is folded in three at both ends in the width direction so as to be further wrapped around it.
  • the volatility of the volatile component is more effectively suppressed in the structure in which the absorbers 3 are stacked in layers.
  • the central absorbent sheet 3A has a volatile component. It is preferable that at least the application part of the volatile component described above be in the central absorbent sheet 3A.
  • the absorbent body 3 has a shape in which the width is narrowed toward the distal end portion in the longitudinal direction of the napkin (FIG. 10). By this, it is possible to widen the region 28 where the absorber 3 is not disposed near the opening 35, and it is possible to temporarily store the volatile gas and to suppress expansion and rupture of the individual package 30.
  • the fastening portion 8 is not disposed in the region 28 where the above-described absorber 3 is not disposed (FIG. 10).
  • the volatile gas mentioned above can be stored temporarily, and the effect which suppresses expansion and rupture of the individual packaging body 30 can be heightened further.
  • the volatile component when the volatile component is disposed in the central region in the width direction X, the volatile component should be set so as to relieve the stimulation of sensitive parts such as the buttocks. Becomes easy. Moreover, arrangement
  • the volatile component is disposed so as to overlap the fastening portion non-arranged portion 9 in plan view in the central region in the width direction of the absorbent article (napkin 10). Is preferable because it is easy to move to the degassing part.
  • region of the width direction is an area
  • the volatile component may be disposed along the longitudinal direction Y in order to exert the effect of the volatile component in a wide range in the absorbent article, but excessive transpiration of the volatile component is suppressed. From the viewpoint, it is preferable to dispose at least in the middle. In particular, when the volatile component is a cooling agent, it is preferable because the cooling effect can be selectively exerted on the excretory part of the wearer and the vicinity thereof.
  • the fastening portion 8 and the fastening portion non-arranged portion 9 are alternately arranged in the longitudinal direction as in the structure (A1) shown in FIG. 1 etc., the volatile component is the fastening portion 8. It is preferable to arrange so as to overlap in plan view. Even in such a structure, in the individual package, the volatile gas moves to the degassing portion through the fastening portion non-arranged portion 9, so that the above-described effect of the present invention is exerted.
  • the forming material of the napkin 10 and the packaging material 20 which comprise the individual-package body 30 can use what is used for articles
  • the fusion layer 24 constituting the packaging material 20 various materials capable of forming the fusion seal area 34 can be used without particular limitation.
  • a polyolefin-based polymer resin such as a polyethylene resin or a polypropylene resin.
  • Polyethylene linear low density polyethylene (L-LDPE), low density polyethylene (LDPE)], polypropylene, ethylene-vinyl acetate copolymer (EVA), ethylene-acrylic acid copolymer (EA), styrene-isoprene copolymer
  • L-LDPE linear low density polyethylene
  • LDPE low density polyethylene
  • EVA ethylene-vinyl acetate copolymer
  • EA ethylene-acrylic acid copolymer
  • SBS styrene-isoprene copolymer
  • olefin elastomers etc.
  • the fusion layer 24 is composed of a single layer film or a laminated film of these materials. Further, when the fastening portion 8 of the napkin 10 is releasably joined to the packaging material 20, the fusion bonding layer 24 is subjected to peeling treatment, but since the fusion bonding layer 24 is required to have heat resistance, the fusion bonding layer 24 is It is preferable to use a heat-resistant resin such as polyethylene or polypropylene having a density of 0.93 g / cm 3 or more.
  • the adhesion to the release treatment layer may be enhanced by subjecting the fusion layer 24 to surface treatment such as corona discharge treatment. A release agent such as silicone is used for the release treatment.
  • the average surface roughness (Ra) of the fusion layer 24 is preferably 0 to 10 ⁇ m, and more preferably 0 to 5 ⁇ m, in order to uniformly apply the release agent uniformly.
  • polyethylene and polypropylene are also excellent in water resistance, and it is also possible to protect the water absorption performance of the superabsorbent polymer contained in the napkin 10.
  • the airtight layer 25 various materials capable of maintaining the airtightness of the individual package can be used without particular limitation.
  • polyvinyl alcohol ethylene vinyl alcohol copolymer, polyvinylidene chloride, stretched polyethylene terephthalate, stretched polyamide, an aluminum foil laminated film, a polymer film coated with volatile impermeable lacquer, or a combination thereof is used. be able to.
  • a volatile component contained in the napkin 10 various things normally used for absorbent articles can be used.
  • a fragrance, a cooling agent, etc. are mentioned.
  • a cooling agent it is possible to stimulate the wearer's skin and / or mucous membrane surface thermoreceptors and to convey a refreshing sensation to the wearer without having to change the temperature on the skin and / or mucous membrane surface
  • agents can be used. Examples thereof include cyclohexyl derivatives, cyclohexanol derivatives, carboxamides and the like, as described in paragraphs [0006] to [0086] of JP-A-2015-12918.
  • a cooling agent can be contained in the napkin 10 by various methods. For example, they may be contained in the napkin 10 in a state of being dissolved in a solvent, or may be contained without using a solvent. In addition, the cooling agent may be contained in the napkin 10 together with a delivery means such as encapsulation in microcapsules.
  • the absorbent body 3 various forms usually used in absorbent articles can be adopted without particular limitation.
  • a stack of hydrophilic fibers or a mixed stack of hydrophilic fibers and a superabsorbent polymer material may be covered with a hydrophilic covering sheet.
  • it may be composed of a thin absorbent sheet in which a superabsorbent polymer material is sandwiched and fixed between two sheet-like fiber layers made of hydrophilic fibers (the central absorbent sheet 3A and the main absorbent sheet described above) 3B).
  • the high absorbency polymer material can be integrated using the adhesive force developed by wetting, the binder added separately, and the binder such as the adhesive fiber.
  • the preparation can be performed by various methods commonly used, and may be either wet or dry.
  • the absorbent sheet has a high absorbing power which hardly causes gel blocking because the highly absorbent polymer material is dispersedly disposed in the plane direction of the sheet while the thickness is suppressed to 3.0 mm or less.
  • those described in paragraphs [0019] to [0131] of JP-A-8-246395 can be mentioned.
  • hydrophilic fiber which comprises the absorber 3 what carried out the hydrophilization treatment of the hydrophobic fiber, and the thing which itself is hydrophilic are mentioned. In particular, those which themselves are hydrophilic and have water retention are preferred. As the latter hydrophilic fibers, natural fibers, regenerated cellulose fibers or semi-synthetic fibers are mentioned as preferable examples. As the hydrophilic fiber, in particular, pulp and rayon are preferable, and pulp is more preferable. Further, crosslinked cellulose fibers obtained by crosslinking the intramolecular and / or intermolecular of cellulose fibers or bulky cellulose fibers obtained by mercerizing wood pulp may be used. Examples of the pulp include wood pulp such as softwood kraft pulp and hardwood kraft pulp, and natural cellulose fibers such as cotton pulp and straw pulp, but not limited thereto. These pulps can be used alone or in combination of two or more.
  • the superabsorbent polymer material constituting the absorber 3 can be obtained, for example, by polymerizing a water-soluble ethylenic unsaturated monomer mainly composed of acrylic acid or acrylic acid salt and optionally containing a crosslinking agent. Hydrogel materials are included. Also, polyethylene oxide, polyvinyl pyrrolidone, crosslinked products of sulfonated polystyrene and polyvinyl pyridine, saponified starch-poly (meth) acrylonitrile graft copolymer, starch-poly (meth) acrylic acid graft copolymer, starch-poly ( The hydrolyzate of a (meth) acrylic ester graft copolymer etc. are mentioned.
  • These water-absorbing polymer materials can be used alone or in combination of two or more. Those which can absorb and hold 20 times or more of their own weight and can gelate are preferable.
  • shape of the superabsorbent polymer material various materials used for the absorber can be used without particular limitation. For example, spherical shape, granular shape, fibrous shape, bowl shape, lump shape etc. are mentioned.
  • the surface sheet 1 can use various materials having liquid permeability.
  • a hydrophilic non-woven fabric is preferable, a thermal bond non-woven fabric is more preferable, and an air-through non-woven fabric is particularly preferable.
  • it is a thermoplastic resin fiber subjected to hydrophilization treatment, and the fiber is a fiber subjected to a three-dimensional crimp such as a secondary crimp or a tertiary crimp.
  • polyethylene, polypropylene, polyester, nylon, and composite fibers thereof are prepared, and various hydrophilicizing agents are applied before cutting into a predetermined length to form staples.
  • hydrophilizing agent various alkyl sulfonates represented by ⁇ -olefin sulfonate, acrylate, acrylate / acrylamide copolymer, ester amide, ester amide salt, polyethylene glycol and derivatives thereof, water-soluble Hydrophilization treatment with a commonly used hydrophilizing agent can be used, such as polyester resin, various silicone derivatives, various saccharide derivatives, and mixtures thereof.
  • various sheets having leak resistance can be used.
  • a non-moisture permeable or moisture-permeable film alone, or a combination of a film and a non-woven fabric, or a water-repellent non-woven fabric (SMS, SMMS, etc.) can be used. It is most preferable to use a non-moisture-permeable film alone as the leak-proof material from the viewpoint of cost and matching with the anti-slip adhesive.
  • the moisture-permeable film material may be a thermoplastic resin and a film obtained by melt-kneading and extruding a non-compatible inorganic filler, and stretched to a predetermined size to form a micro-porous film, or essentially There is a non-porous film which is highly compatible with water and which can discharge water vapor like a permeable membrane.
  • the present invention further discloses the following individual package of the absorbent article.
  • An absorbent article comprising a volatile component, the absorbent article having a longitudinal direction corresponding to a direction connecting a belly side, a crotch and a back side of a wearer, and a width direction orthogonal to the longitudinal direction, and the absorbent
  • An individual package of an absorbent article comprising a garment for covering the opposite side of the article and an article of clothing, wherein the individual package includes two of the absorbent article and the packaging material in the longitudinal direction.
  • the packaging material has a configuration in which a fusion layer and an airtight layer are laminated, A pair of fusion-sealed regions in which the fused layers are joined with the fusion layers facing each other outward in the longitudinal direction of the absorbent article, and the opening opening in the folded structure of the individual package And a seal fixing area disposed on the opposite side of the absorbent article.
  • the surface has a plurality of fastening parts and fastening part non-arranged parts covered by the packaging material, and the fastening parts are spaced apart from each other, and the following (A1) and (A2)
  • An individual package of an absorbent article comprising at least one structure of (A1)
  • the fastening portion non-arrangement portion of the absorbent article has a portion extending in the width direction, a gas vent is disposed in the fusion seal area of the packaging material, and the fastening portion non-arrangement portion A structure in which the portion extending in the width direction and the gas venting portion of the fusion sealing region are in communication in the width direction.
  • the fastening portion non-placement portion of the absorbent article has a portion extending in the longitudinal direction, and a gas vent is disposed in the sealing and fixing area of the packaging material, and the fastening portion non-placement portion A structure in which the longitudinally extending portion and the degassing portion of the sealing and fixing area communicate with each other in the longitudinal direction.
  • ⁇ 2> The absorbent article according to ⁇ 1>, wherein the packaging material has a release treatment layer on the surface of the fusion layer, and the fastening portion of the absorbent article is disposed to face the release treatment layer.
  • Individual packaging. ⁇ 3> The individual-package body of the absorbent article as described in said ⁇ 1> or ⁇ 2> provided with the structure of said (A1) and (A2).
  • ⁇ 4> The individual package of the absorbent article according to any one of ⁇ 1> to ⁇ 3>, wherein the bulk softness of the packaging material is 13 cN or more.
  • ⁇ 5> The absorbent according to any one of ⁇ 1> to ⁇ 4>, wherein at least the application part of the volatile component containing the volatile component does not overlap the fastening part in the thickness direction of the absorbent article Individual packaging of goods.
  • the fastening portion is intermittently disposed in the longitudinal direction, and the fastening portion non-arranged portion is disposed between adjacent fastening portions.
  • ⁇ 7> The individual packaged body of the absorbent article according to any one of ⁇ 1> to ⁇ 6>, wherein an interval between the gas vents disposed in the fusion seal area is smaller than an interval between the fastening parts.
  • the fastening portion non-arranged portion is disposed between the outermost end in the width direction of the region where the fastening portion is disposed and the innermost end in the width direction of the fusion sealing region.
  • a plurality of fused portions are arranged in the fused seal area, and a plurality of rows of the fused portions aligned in the longitudinal direction of the absorbent article are arranged in the width direction, and the fused portions are arranged in each row
  • a plurality of fused portions are arranged in the fused seal area, and a plurality of rows of the fused portions aligned in the longitudinal direction of the absorbent article are arranged in the width direction, and the fused portions are arranged in each row
  • the folding structure of the individual package has a pair of folded ends of the absorbent article and the wrapping material, one on top of the other, and at each of the pair of folded ends, the absorbent article is at its longitudinal end
  • the folding structure of the individual package has a pair of folding ends of the absorbent article and the packaging material in the upper and lower layers, and the opening of the packaging material is disposed at the overlapping portion of the folding ends.
  • the folded structure of the individual package has a pair of folded ends of the absorbent article and the wrapping material, one on top of the other, and in the overlapping portion between the folded ends, along the side edges of the absorbent article.
  • the folding structure of the individual package has a pair of folding ends of the absorbent article and the wrapping material in the upper and lower layers, and the longitudinal end of the absorbent article is provided at each of the pair of folding ends.
  • the individual package of the absorbent article according to any one of ⁇ 1> to ⁇ 14>, wherein the fastening part is not disposed.
  • the absorbent article is provided with a surface sheet on the skin contact surface side facing the wearer, a back sheet on the non-skin contact surface side facing the garment, and an absorber between the two sheets, The individual package of the absorbent article as described in any one of the above ⁇ 1> to ⁇ 15>, wherein the volatile component is disposed.
  • the folded structure of the individual package includes a pair of folded ends of the absorbent article and the wrapping material in the upper and lower layers, and at each of the pair of folded ends, the absorber is the longitudinal end of the absorbent article
  • the individual wrapping body of the absorbent article as described in said ⁇ 16> which has a shape which becomes narrow toward a part.
  • the folding structure of the individual package has a pair of folding ends of the absorbent article and the wrapping material in the upper and lower layers, and in each of the pair of folding ends, the region where the absorber is not disposed
  • ⁇ 19> The individual package of the absorbent article according to any one of ⁇ 1> to ⁇ 18>, wherein an opening tab tape is disposed on the packaging material near the opening.
  • ⁇ 20> The individual packages of the absorbent article according to ⁇ 19>, wherein the gas release portions of the sealing and fixing area are disposed on the outer sides of both sides of the opening tab tape.
  • ⁇ 21> The individual package of the absorbent article according to ⁇ 19> or ⁇ 20>, wherein the fixed end of the opening tab tape is disposed at a position not overlapping with the absorber.
  • ⁇ 22> The individual wrapping of the absorbent article according to any one of ⁇ 19> to ⁇ 21>, wherein the free end of the opening tab tape is disposed at a position overlapping with the absorber.
  • ⁇ 23> The volatile component according to any one of ⁇ 1> to ⁇ 22>, wherein the volatile component is disposed in a central region in the width direction of the absorbent article so as to overlap the fastening portion non-arranged portion in plan view.
  • Individual packaging of absorbent articles ⁇ 24> The absorbent according to ⁇ 23>, comprising the structure (A1), wherein the volatile component is disposed in a middle portion in the longitudinal direction of the absorbent article so as to overlap the fastening portion in plan view.
  • Packaging of sexual goods ⁇ 25> The individual package of the absorbent article according to any one of ⁇ 1> to ⁇ 24>, wherein the volatile component is a cooling agent.
  • Non-arrangement portion 10 Sanitary napkin 20
  • Packaging material 21
  • Central packaging portion 22
  • First folding packaging portion 23
  • Second folding packaging portion 23A Extension portion 24 of second folding packaging portion Fusion layer
  • Airtight layer 27
  • No sanitary napkin is disposed
  • an individual package 31
  • a folding center portion 32
  • first folding end portion 33
  • second folding end portion 34
  • the free end of the degassing unit 342 fused portion 35 unsealed opening 36 sealing fixing region 361 tab tape for fixed end 372 opening the tab tape for tab tape 371 opening for opening the gas vent portions 37 in the sealing fixed area in 1 fusion seal area

Landscapes

  • Health & Medical Sciences (AREA)
  • Epidemiology (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Vascular Medicine (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Absorbent Articles And Supports Therefor (AREA)

Abstract

L'invention concerne un emballage individuel d'un article absorbant, l'emballage individuel comprenant un matériau d'emballage et un article absorbant qui contient un élément volatil, et ayant une structure pliée ; le matériau d'emballage étant doté d'une paire de régions de joint de fusion, dans lesquelles des couches de fusion sont reliées de façon à être opposées l'une à l'autre sur les deux côtés extérieurs dans la direction longitudinale, et une région de fixation de joint disposée au niveau d'une ouverture ; le matériau d'emballage ayant des parties de fixation et des parties non disposées de partie de fixation sur la surface de l'article absorbant à l'opposé d'un vêtement ; et les parties de fixation étant éloignées l'une de l'autre et étant dotées d'au moins une structure parmi (A1) et (A2). (A1) Une structure dans laquelle les parties non disposées de partie de fixation de l'article absorbant ont une partie s'étendant dans la direction de largeur, et une partie de dégazage est disposée dans les régions de joint de fusion du matériau d'emballage. (A2) Une structure dans laquelle les parties non disposées de partie de fixation de l'article absorbant ont une partie s'étendant dans la direction longitudinale, et une partie de dégazage est disposée dans la région de fixation de joint du matériau d'emballage.
PCT/JP2017/040266 2017-11-08 2017-11-08 Emballage individuel d'article absorbant Ceased WO2019092808A1 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
CN201780061798.2A CN110022810A (zh) 2017-11-08 2017-11-08 吸收性物品的单个包装体
PCT/JP2017/040266 WO2019092808A1 (fr) 2017-11-08 2017-11-08 Emballage individuel d'article absorbant
JP2018534753A JP6442646B1 (ja) 2017-11-08 2017-11-08 吸収性物品の個別包装体
TW107126850A TWI832822B (zh) 2017-11-08 2018-08-02 吸收性物品之個別包裝體

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2017/040266 WO2019092808A1 (fr) 2017-11-08 2017-11-08 Emballage individuel d'article absorbant

Publications (1)

Publication Number Publication Date
WO2019092808A1 true WO2019092808A1 (fr) 2019-05-16

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PCT/JP2017/040266 Ceased WO2019092808A1 (fr) 2017-11-08 2017-11-08 Emballage individuel d'article absorbant

Country Status (4)

Country Link
JP (1) JP6442646B1 (fr)
CN (1) CN110022810A (fr)
TW (1) TWI832822B (fr)
WO (1) WO2019092808A1 (fr)

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WO2021049560A1 (fr) * 2019-09-13 2021-03-18 ユニ・チャーム株式会社 Article absorbant
JP2021041080A (ja) * 2019-09-13 2021-03-18 ユニ・チャーム株式会社 吸収性物品
JP2021041077A (ja) * 2019-09-13 2021-03-18 ユニ・チャーム株式会社 吸収性物品
JP2021052962A (ja) * 2019-09-27 2021-04-08 大王製紙株式会社 包装吸収性物品
WO2022004266A1 (fr) * 2020-06-30 2022-01-06 ユニ・チャーム株式会社 Corps de réception pour article absorbant
WO2023127214A1 (fr) * 2021-12-27 2023-07-06 大王製紙株式会社 Article absorbant emballé individuellement
WO2024038793A1 (fr) * 2022-08-19 2024-02-22 ユニ・チャーム株式会社 Corps d'emballage d'article absorbant et emballage pour corps d'emballage d'article absorbant

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CN112107429B (zh) * 2019-06-20 2023-03-28 尤妮佳股份有限公司 短裤型吸收性物品和短裤型吸收性物品制造方法

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JP7170611B2 (ja) 2019-09-13 2022-11-14 ユニ・チャーム株式会社 吸収性物品
JP2021041080A (ja) * 2019-09-13 2021-03-18 ユニ・チャーム株式会社 吸収性物品
JP2021041077A (ja) * 2019-09-13 2021-03-18 ユニ・チャーム株式会社 吸収性物品
WO2021049560A1 (fr) * 2019-09-13 2021-03-18 ユニ・チャーム株式会社 Article absorbant
JP7186152B2 (ja) 2019-09-13 2022-12-08 ユニ・チャーム株式会社 吸収性物品
JP2021052962A (ja) * 2019-09-27 2021-04-08 大王製紙株式会社 包装吸収性物品
JP7306941B2 (ja) 2019-09-27 2023-07-11 大王製紙株式会社 包装吸収性物品
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WO2022004266A1 (fr) * 2020-06-30 2022-01-06 ユニ・チャーム株式会社 Corps de réception pour article absorbant
CN115667092A (zh) * 2020-06-30 2023-01-31 尤妮佳股份有限公司 吸收性物品收容体
JP7275080B2 (ja) 2020-06-30 2023-05-17 ユニ・チャーム株式会社 吸収性物品の収容体
CN115667092B (zh) * 2020-06-30 2025-09-02 尤妮佳股份有限公司 吸收性物品收容体
WO2023127214A1 (fr) * 2021-12-27 2023-07-06 大王製紙株式会社 Article absorbant emballé individuellement
JP2023096616A (ja) * 2021-12-27 2023-07-07 大王製紙株式会社 個装吸収性物品
WO2024038793A1 (fr) * 2022-08-19 2024-02-22 ユニ・チャーム株式会社 Corps d'emballage d'article absorbant et emballage pour corps d'emballage d'article absorbant

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JP6442646B1 (ja) 2018-12-19
CN110022810A (zh) 2019-07-16
TWI832822B (zh) 2024-02-21
JPWO2019092808A1 (ja) 2019-11-14
TW201922190A (zh) 2019-06-16

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