WO2004045478A1 - 陰唇間パッド及びその包装体 - Google Patents
陰唇間パッド及びその包装体 Download PDFInfo
- Publication number
- WO2004045478A1 WO2004045478A1 PCT/JP2002/012017 JP0212017W WO2004045478A1 WO 2004045478 A1 WO2004045478 A1 WO 2004045478A1 JP 0212017 W JP0212017 W JP 0212017W WO 2004045478 A1 WO2004045478 A1 WO 2004045478A1
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- WO
- WIPO (PCT)
- Prior art keywords
- interlabial pad
- pad
- fluid storage
- bodily fluid
- absorbent sheet
- 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
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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
- 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
- A61F13/47209—Sanitary towels, incontinence pads or napkins specially adapted for female use having only interlabial part, i.e. with no extralabial parts
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- 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
- A61F13/47218—Sanitary towels, incontinence pads or napkins specially adapted for female use with a raised crotch region, e.g. hump
- A61F13/47227—Sanitary towels, incontinence pads or napkins specially adapted for female use with a raised crotch region, e.g. hump for interlabial 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
- A61F13/551—Packaging before or after use
- A61F13/5516—Packaging before or after use packaging of interlabial absorbing articles
- A61F13/55165—Packaging before or after use packaging of interlabial absorbing articles before use
Definitions
- the present invention relates to an interlabial pad used by being engaged with a labia of a woman, and more particularly to an interlabial pad that can be used in combination with a sanitary napkin, and the interlabial pad is enclosed in a packaging container for individual packaging. Packaging. Background art
- sanitary napkins hereinafter simply referred to as “napkins”
- tampons have been commonly used as feminine hygiene products.
- napkins are used in contact with clothing, and because of their poor adhesion to the vicinity of the vaginal opening, menstrual blood leaks easily occur from gaps with the body. Due to the above attributes, there is a problem in that a foreign body sensation at the time of wearing and discomfort are likely to occur, and it is difficult to wear the inside of the vagina. Under these circumstances, sanitary products between the labia have recently attracted attention as sanitary products located between napkins and tampons.
- This interlabial pad is designed so that a part of it is sandwiched between the labia of a woman and attached to the labia in contact with the labia.Because it has higher adhesion to the body than a napkin, menstrual leakage is less likely to occur. It also has the characteristic that it has less psychological resistance when worn than a tampon inserted into the vagina.
- an interlabial pad 24 as shown in FIG. 2 has been proposed (Japanese Patent Laid-Open No. 61-149145).
- the interlabial pad 24 places the front area 24a of the pad on the front side of the body, the rear area 24b of the pad on the back side of the body, and then moves the rear area 24b of the pad.
- the pad is bent along a substantially center line 26 in the longitudinal direction of the pad to form a convex portion, the convex portion is sandwiched between the labia, and fixed by the clamping force of the labia itself.
- Such an interlabial pad 24 has an extremely small area of contact with the body outside the labia (ie, abrasion resistance with the body) as compared with a napkin, so that the wearer is not conscious of wearing the pad. It can give a comfortable feeling of use.
- the interlabial pad 24 absorbs menstrual blood directly mainly in the labia, menstrual blood adheres to a wide area from the vestibular part to the buttocks like napkin. Not that good, clean performance is also excellent.
- the above-mentioned interlabial pad 24 has an upper limit in the bulk of the convex portion sandwiched between the labia for the purpose of preventing the wearer from giving a foreign body sensation. Therefore, the amount of menstrual blood that can be absorbed and held must be smaller than that of the napkin, and there is a problem that menstrual blood is easily exuded outside the interlabial pad.
- a napkin 34 as shown in FIG. 3 has been proposed (Japanese Utility Model Laid-Open No. 7-133919).
- the napkin 34 has an elastic impermeable flap 36 attached to the body side of the napkin body, and an adhesive portion 37 formed on the body side surface of the flap 36.
- an adhesive portion 37 formed on the body side surface of the flap 36.
- the napkins 34 mentioned above have the same problems as the conventional napkins. Have a point. In other words, menstrual blood adheres to a wide area from the vestibule to the buttocks, and the size is large and bulky compared to the interlabial pad, so that the wearer cannot obtain a comfortable feeling of use. Has not been resolved at all.
- the present invention has been made in view of the above problems, and has as its object to prevent lateral leakage while maintaining the clean performance inherent in the interlabial pad, and furthermore, to absorb the An object of the present invention is to provide an interlabial pad that can significantly improve the holding ability. Another object of the present invention is to provide a package in which such an interlabial pad is housed in a compact and can be taken out so as to immediately exhibit its function. Disclosure of the invention
- the interlabial pad of the present invention is characterized in that a bodily fluid storage hole is provided near the center thereof.
- a bodily fluid storage hole is provided near the center thereof.
- Absorbent sheet in which a water-permeable front sheet facing the body side and a water-permeable or water-impermeable backside sheet facing the clothing side are joined in a form including an absorber that absorbs bodily fluids
- An interlabial pad used to be engaged with the labia which is a bottomed hole with the clothing side at the bottom and whose opening is covered by a pair of small labia from the outside.
- An interlabial pad comprising a bodily fluid storage hole large enough to fit so as to be enveloped near the center. The interlabial pad is worn so as to fit a pair of small labia into the opening of a bodily fluid storage hole provided near the center.
- the interlabial pad When worn in this manner, bodily fluids (especially menstrual blood) excreted from the vaginal opening are quickly guided to the bodily fluid storage holes and are stored there. Then, the stored menstrual blood is absorbed by the absorber inside the absorbent sheet constituting the bodily fluid storage hole. Since the interlabial pad is provided with a concave portion called a bodily fluid storage hole, the bulk and the surface area of the absorber as a whole can be increased without increasing the bulk of the portion sandwiched between the labia. Therefore, the absorption and retention ability of the interlabial pad can be significantly improved.
- menstrual blood is exclusively stored inside the body fluid storage hole.
- the interlabial pad has a certain amount of bodily fluid storage holes 44 b protruding toward the clothing side of the interlabial pad 44. It is possible to secure a volume that can store menstrual blood, and to create a clearance between the bodily fluid (particularly menstrual blood) that is stored in the bodily fluid storage hole 44 b and the labia, The blood and the labia are hardly in contact with each other. Therefore, the skin is less likely to become dirty, and the roughness of the skin can be reduced, and the clean performance inherent to the interlabial pad can be further improved.
- the bodily fluid storage hole 4 4 b is formed by a depressed portion of the absorbent sheet body 46, and a substantially flat region 44 a and a bodily fluid storage hole 44 b are formed by a single absorbent sheet body 46.
- the bodily fluid especially menstrual blood
- the bodily fluid discharged near the opening of the bodily fluid storage hole 44 also absorbs the surface sheet 41 of the integrally formed absorbent sheet body 46.
- menstrual blood is absorbed by the absorber 43 inside the absorbent sheet body 46, so that menstrual blood can be prevented from leaking out of the pad.
- an absorbent sheet body 46 formed by laminating a front side sheet 41, an absorber 43, and a back side sheet 42 was heated. It can be formed relatively easily by a method of pressing and pressing between the convex mold 50 and the concave mold 51.
- the bulge on the clothing side of the interlabial pad is formed not only by the single absorbent sheet as described above, but also by a plurality of absorbent sheets. There may be.
- Such an embodiment has an advantage that it can be manufactured extremely easily by the manufacturing method described later.
- a sheet-shaped first absorbent sheet body having a through hole near the central portion having a size that can be fitted so as to enclose a pair of small labia from the outside is folded along a substantially center line in the longitudinal direction.
- the sheet is bent so as to seal the through-hole portion of the bent first absorbent sheet with a sheet-like second absorbent sheet that is folded along a substantially center line in the longitudinal direction.
- the first absorbent sheet body is sandwiched, and the contact surface between the outer peripheral side of the through hole on the surface of the first absorbent sheet body and the surface of the second absorbent sheet body, and the contact between the surfaces of the second absorbent sheet body
- the interlabial pad described in the above (4) can be manufactured extremely easily by the following method. First, a sheet-shaped first absorbent sheet body having a through-hole near the central portion having a size that can be fitted so as to enclose a pair of small labia from the outside is folded along a substantially central line in the longitudinal direction. To sing. This through-hole will later become the opening of the bodily fluid storage hole.
- the first absorbent sheet body 46a which is also folded along the substantially center line in the longitudinal direction, is folded by the sheet-like second absorbent sheet body 46b.
- the first absorption sheet body 46a is sandwiched so as to seal the through-hole portion 46c.
- the interlabial pad can be folded before the pad is used, and the storage volume can be reduced, making it easy to carry.In addition, by expanding the folded pad during use, Since the bodily fluid storage hole is formed very easily, there is an advantage that the handling is simple.
- the fold may be formed on any part of the absorbent sheet body constituting the bodily fluid storage hole.For example, as shown in FIG. 12, it may be formed on the side wall of the bodily fluid storage hole 44 b. it can.
- the interlabial pad 44 in this form can be reduced in height by folding the folding portion 47, so that it is not bulky even when the body fluid storage hole is configured to be large when the pad is used. It can be stored in a packaging container in a state. Therefore, it contributes to the improvement of the body fluid (especially menstrual blood) absorption capacity (absorption amount, absorption speed) of the pad, and to the improvement of convenience in carrying and handling.
- the folded portion is provided in addition to the side wall of the bodily fluid storage hole, for example, as shown in FIGS. 13 and 14. As shown in the figure, it may be formed at the bottom of the bodily fluid storage hole 44b. That is, the fold can be formed on both the side wall and the bottom of the bodily fluid storage hole, or only on the bottom.
- a fold portion 47 is formed at the bottom of the bodily fluid storage hole 44 b, and the bottom of the bodily fluid storage hole 44 b is stored in the bodily fluid storage hole 44 b.
- the hole is in a state of being raised toward the opening of the hole 4b. '
- This structure like the interlabial pad described in (7) above, also contributes to the improvement of the pad's ability to absorb bodily fluids (especially menstrual blood) and the convenience of carrying and handling.
- the formation of the folds 47 can improve the surface area of the body fluid storage hole 44b when used, so that the interlabial pad 44 can improve the menstrual blood absorption capacity.
- the interlabial pad 44 before use, can be folded in a compact manner and stored, making it extremely easy to store and convenient to carry for the wearer. Become. Further, the body fluid storage hole 44b is formed immediately by simply expanding the folded interlabial pad 44, so that handling is very simple.
- FIG. 15 shows an example in which the interlabial pad 44 is composed of two absorbent sheet bodies 46 a and 46.
- the interlabial pad 44 shown in FIG. 16 has a bellows portion 48 in which a plurality of bent portions 47 are formed only on the side wall portion of the bodily fluid storage hole 44b.
- the bellows portion 48 is formed in the bodily fluid storage hole 44b, it is possible to maintain convenience such as carrying and handling compared to the case where one folding portion 47 is formed.
- Dramatically increasing the surface area of bodily fluid storage holes And the pad's ability to absorb bodily fluids (particularly menstrual blood) can be further improved.
- the bellows can be formed on one or both of the side wall and the bottom of the bodily fluid storage hole.
- the bellows 48 can be formed on both the side wall and the bottom.
- the bodily fluid storage hole is bulged toward the clothing side of the pad, but it is preferable to configure it so that it exists in the space from the labia to the underwear.
- the maximum depth may be determined in consideration of the above. From the above viewpoint, the maximum depth is preferably in the range of 10 to 60 mm, more preferably in the range of 15 to 50 mm, and particularly preferably in the range of 20 to 40 mm. By setting the maximum depth in this range, it is possible to secure the clearance with the labia and reduce the contact between the labia and the pad while improving the absorption capacity in the bodily fluid reservoir. In addition, the contact area between the nod and the garment (underwear) can be reduced, contributing to a reduction in discomfort when worn.
- the interlabial pad 44 is more firmly adhered to the interlabial or vulvar region. be able to.
- Such an embodiment prevents a gap between the interlabial pad 44 and the body from occurring due to a sudden change in the posture of the wearer, and prevents the interlabial pad 44 from being displaced. 4
- the danger of falling off can be reduced. Therefore, menstrual blood As a result, the wearer can be guided to the bodily fluid storage hole 4 4b with certainty, and the wearer can perform free activities without any restrictions on his / her behavior.
- interlabial pad according to any one of (1) to (11), wherein the interlabial pad is an interlabial pad for urinary incontinence.
- the interlabial pad can be used as an absorbent pad for urinary incontinence.
- the vaginal opening for discharging menstrual blood and the urethral opening for discharging urine are both located between the labia, so that not only menstrual blood but also urine can be absorbed.
- urine can be absorbed between the labia, especially near the urethral opening, so that an absorbent pad effective for urinary incontinence, especially for mild urinary incontinence can be obtained.
- the interlabial pad can be used for vaginal discharge. That is, since the interlabial pad according to the present invention is used sandwiched between the labia, if it is discharged from the vaginal opening, it can absorb secretions other than menstrual blood. It can also be used for that purpose (for absorbing vaginal discharge).
- the interlabial pad according to any one of (1) to ( ⁇ ⁇ 3) above which is an interlabial pad for use with a sanitary napkin, which is used together with a sanitary napkin.
- Sanitary napkin (hereinafter simply referred to as “napkin”) Note that some users may use several of them when the amount of menstrual blood is large, but they may have a bad fit, such as There was a problem of being easily noticed (conspicuous). In addition, overlapping use other than near the vagina is not The napkins were piled up on important parts, which also caused rash and stuffiness. However, by using the pad and the napkin together, the sanitary products are stacked only in the vicinity of the vagina, so that the above problem can be avoided. Furthermore, since only the pad can be replaced without replacing the napkin, the wearer does not need to carry a napkin of a size that is easily visible. ,
- the pads can be carried one by one (per individual wrap).
- Such a configuration makes it easier to carry and keep the pads clean compared to the case where a plurality of pads are included in one packaging container, contributing to easy handling.
- To be folded in the direction of the garment side means that the garment side is completely bent with the garment side convex, and as shown in Fig. 19, the garment side is curved with the convex side.
- the meaning includes the case where As described above, the package 62 in which the interlabial pad 44 is enclosed in the packaging container 6 1 naturally opens the body fluid storage hole 4 4 b when the packaging container 6 1 is opened. Pad mounting can be made quicker and easier.
- an interlabial pad 44 having a bellows portion 48 formed on the side wall of the bodily fluid storage hole 44 b is included in a packaging container 61.
- the packaging container 61 is composed of an upper sheet 61 a and a lower sheet 61 b, and is wrapped so as to sandwich the interlabial pad 44 from above and below. As shown in FIG. 21, such a package 62 is opened by the wearer by peeling the lower sheet 61 b from the upper sheet 61 a in the direction of the arrow as shown in FIG.
- the bellows portion 48 on the side wall of the bodily fluid storage hole 44b expands to form a bodily fluid storage hole 44b. Therefore, even the interlabial pad 44 having a large surface area of the bodily fluid storage hole 67 can be compactly folded and contained. Further, in a series of operations for opening the packaging container 61, the bodily fluid reservoir 44b can be easily and quickly formed.
- FIG. 1 is a view showing a configuration of an interlabial pad of the present invention, wherein (a) is a top view and (b) is a cross-sectional view of A_A in (a).
- FIG. 2 is a perspective view showing a configuration of a conventional interlabial pad.
- FIG. 3 is a perspective view showing a configuration of a conventional sanitary napkin.
- FIG. 4 is a perspective view showing the configuration of the interlabial pad of the present invention.
- FIG. 5 is a cross-sectional view taken along the line AA ′ of the interlabial pad shown in FIG.
- FIG. 6 is a perspective view showing a cross section of the interlabial pad of the present invention.
- FIG. 7 is a process diagram showing a manufacturing process of the interlabial pad shown in FIG. 6.
- FIG. 8 is a perspective view showing a cross section of the interlabial pad of the present invention.
- FIG. 9 is an explanatory diagram showing a manufacturing process of the interlabial pad shown in FIG. 8.
- FIG. 10 is an explanatory diagram showing a manufacturing process of the interlabial pad shown in FIG.
- FIG. 11 is an explanatory view showing a manufacturing process of the interlabial pad shown in FIG.
- FIG. 12 is a perspective view showing a cross section of the interlabial pad of the present invention.
- FIG. 13 is a perspective view showing a cross section of an interlabial pad of the present invention.
- FIG. 14 is a cross-sectional view of the interlabial pad shown in FIG.
- FIG. 15 is a cross-sectional view of the interlabial pad of the present invention in a folded state.
- FIG. 16 is a cross-sectional view of the interlabial pad of the present invention.
- FIG. 17 is a cross-sectional view of the interlabial pad of the present invention.
- FIG. 18 is a perspective view showing a cross section of the interlabial pad of the present invention.
- FIG. 19 is a perspective view showing the configuration of the package of the present invention.
- FIG. 20 is a sectional view showing the structure of the package of the present invention.
- FIG. 21 is a sectional view showing the structure of the package of the present invention.
- FIG. 22 is a cross-sectional view showing a configuration of the absorbent sheet body.
- FIG. 23 is a view showing an experimental situation of the peel strength measurement of the pressure-sensitive adhesive.
- FIG. 24 is a view showing the experimental situation of the shear strength measurement of the pressure-sensitive adhesive, the best mode for carrying out the invention.
- FIG. 1 (a) is a top view showing the interlabial pad 14 according to the present invention
- FIG. 1 (b) is a cross-sectional view of AA of the interlabial pad 14 shown in FIG. 1 (a). It is.
- the basic interlabial pad 14 of the present invention is used to store menstrual blood in the vicinity of the center of the substantially flat area 14a as shown in, for example, FIGS. 1 (a) and 1 (b). It has a bodily fluid storage hole 14b.
- the bodily fluid storage hole 14b is a bottomed hole with the clothes side as the bottom, and the size of the opening is large enough to fit a pair of small labia from outside. .
- the overall shape of the interlabial pad 14 is not particularly limited as long as it is a shape suitable for engaging the labia, but is preferably a substantially vertically long shape, specifically, an elliptical shape. , Egg type, gourd type, ⁇ type and the like.
- the interlabial pad 14 preferably has a length (dimension in the longitudinal direction of the pad) that does not hinder the movement of the wearer's thighs and buttocks when engaged with the labia. Specifically, it is preferably in the range of 50 to 15 Omm, more preferably in the range of 60 to 130 mm, and more preferably in the range of 80 to 120 mm. Is particularly preferred. Also, in consideration of the stability when the pad is attached, it is preferable that the width '(dimension in the short direction of the pad) not easily come into contact with the thigh. Specifically, it is preferably in the range of 30 to 80 mm, more preferably in the range of 40 to 60 mm.
- the shape of the bodily fluid storage hole 14b may be appropriately selected from an elliptical shape, a rectangular shape, a hyotan type, etc., but considering the shape compatibility with the labia, Fig. 1 It is preferably a vertically long elliptical shape as shown in (a).
- the pad is made of a water-permeable front sheet 11 facing the body side and a water-permeable or water-impermeable back sheet 12 facing the clothes side. It is composed of a single or a plurality of absorbent sheet bodies 16 joined together in a form including body 13.
- the front side sheet 11 and the back side sheet 12 include an absorber 13 at the peripheral portion 15 by heat embossing and bonding with Z or hot melt type adhesive. Are joined.
- the absorber 13 is not sandwiched between the joining portions. This is because, when the absorber 13 is sandwiched between the joints, the peripheral portion 15 of the interlabial pad 14 is hardened, which may cause a feeling of foreign matter or discomfort when worn.
- the front side sheet 11 and the back side sheet 12 may be joined in a state where an opening is left in a part. What is necessary is just to pack the absorber 13 in the said bag-shaped part.
- the dimensions of the absorbent body 13 may be the same as those of the interlabial pad 14, but in order to prevent the absorbent body 13 from being caught in the joint, the outside of the interlabial pad 14 is to be prevented.
- the interlabial pad 14 may be configured to be slightly smaller so that an interval of 2 to 10 mm from the contour can be secured.
- the absorber 13 is attached to both the front side sheet 11 and the back side sheet 12 in order to prevent them from being separated from each other.
- the pad 14 when wet with menstrual blood, the above-mentioned members are easily separated, but in order to prevent this, it is more preferable to bond the above-mentioned members by heat-en boss processing.
- Heat embossing can be glued in a dot or screen pattern By setting the area ratio of the embossed portion in the range of 3 to 20% of the entire area, it is possible to improve strength during use (when wet) without reducing water permeability.
- woven fabric, non-woven fabric, or perforated plastic sheet-like sheet-like material can be used. You just have to choose one. From such a viewpoint, it is preferable to select a through-air nonwoven fabric, a point bond nonwoven fabric, and the like obtained by a card method.
- spunlace nonwoven fabrics formed by the hydroentanglement method are excellent in drapability, and melt-spun nonwoven fabrics formed by blowing molten resin into extremely fine fibers by air pressure are made of thin and flexible fibers. In that respect, it can be used preferably.
- any of natural fibers, regenerated fibers, semi-synthetic fibers, and synthetic fibers can be used as the fiber material constituting the sheet.
- natural fibers include natural cellulose fibers having a fiber length in the range of 5 to 25 mm.
- regenerated fibers include a fiber length in the range of 38 to 51 mm and a fineness of 1.1.
- Regenerated cellulose in the range of ⁇ 3.3 dte X is a semi-synthetic fiber
- semi-synthetic cellulose is an example
- synthetic fiber is an example of polyethylene (PE), polypropylene (PP), polyethylene terephthalate ( PET) and the like.
- the synthetic fiber may be, for example, a composite fiber having a core-sheath structure in which the core material is PP or PET and the sheath portion is PE.
- the fiber material is constituted by a fiber material having a structure capable of guiding menstrual blood excreted from the vaginal opening to the absorber.
- the fiber cross-section has irregular cross-sections such as Y-shape, C-shape, and geometric-shape Synthetic fibers, natural cellulose having hydrophilicity and having a large number of fine grooves on the fiber surface, regenerated cellulose (such as viscose rayon), and semi-synthetic cellulose (such as acetate) are exemplified.
- the absorbent should be hydrophilic and capable of absorbing and retaining liquids (menstrual blood), and should preferably be bulky, hard to lose its shape, and have little chemical irritation. In consideration of the fact that the pad is attached to the labia, it is more preferable that the pad has high flexibility.
- Examples of the fiber material constituting the absorber selected from the above viewpoints include wood pulp, natural cellulose fibers, regenerated cellulose fibers, and hydrophobic synthetic fibers that have been subjected to a hydrophilic treatment. Can be used alone or in a suitable mixture.
- particulate matter of polymer absorbent such as acrylic acid, graft polymer of acrylic acid and starch, starch, carboxymethylcellulose, foam-like super absorbent polymer (form SAP (Super Absorbent Polymer)) , Fibrous materials, or synthetic fibers (including composite fibers having a core-sheath structure in addition to single fibers) may be mixed.
- tissue foamed sheet subjected to hydrophilic treatment, melt blown nonwoven fabric subjected to hydrophilic treatment, fiber yarn mainly composed of hydrophilic fiber
- Nonwoven materials such as spunlaced nonwoven fabrics and thermal pond nonwoven fabrics obtained by forming fiber webs into sheets, the aforementioned "toe”, foamed foam mainly composed of synthetic rubber subjected to hydrophilic treatment, and cellulose A cellulose sponge, a sheet-like product or a pulverized product thereof can be suitably used as an absorber.
- a fiber web in which regenerated cellulose fibers having a fineness of 2.2 dtex are mixed at a ratio of 60 to 90% by mass and natural cellulose fibers at a ratio of 10 to 40% by mass A spunlace nonwoven fabric is formed as a sheet by a hydroentanglement method, and a single or a plurality of the spunlace nonwoven fabrics are stacked to obtain a basis weight of 50 to 500 g / cm 2 (preferably 150 to A sheet-like material adjusted to the range of 400 g / cm 2 ).
- a material similar to the front-side sheet can be used for the back-side sheet.
- the water-impermeable material preferably has high flexibility in addition to being water-impermeable.
- films made of polyolefin resin for example, low-density polyethylene (LDPE), linear low-density polyethylene (LLDPE), high-density polyethylene (HDPE), etc.
- polyolefin resin for example, low-density polyethylene (LDPE), linear low-density polyethylene (LLDPE), high-density polyethylene (HDPE), etc.
- synthetic rubber for example, styrene-ethylene-butadiene-styrene block copolymer (SEBS), styrene-isoprene-styrene block copolymer (SIS), styrene-butadiene-styrene block copolymer (SBS), urethane, etc.
- SEBS low-density polyethylene
- LLDPE linear low-density polyethylene
- HDPE high-density polyethylene
- SEBS styrene-ethylene-butadiene-styrene block copolymer
- the water-impermeable material preferably has moisture permeability. This is because stuffiness at the time of wearing can be reduced, and discomfort at the time of wearing can be reduced.
- a so-called moisture-permeable film that forms fine cells by mixing and stretching inorganic fillers a nonporous moisture-permeable film made of block copolymer of polyester and polyether, and liquid leakage
- a perforated moisture-permeable film or the like having air holes that are difficult to be formed can be suitably used.
- Examples of the method of arranging the adhesive portion include a planar shape, a dot shape, a mesh shape, and a stripe shape.
- the position of the adhesive portion is not particularly limited as long as it can be fixed to the body, but in consideration of the presence of pubic hair near the labia, particularly in front of the labia, a streak of 1 to 1 near both sides of the pad. It is preferable to arrange them with a width of about 5 mm.
- the “adhesive part” can be formed by applying an adhesive to the front side sheet.
- the pressure-sensitive adhesive that can be used in the present invention include a water-soluble polymer, a crosslinking agent, a plasticizer, and a gel pressure-sensitive adhesive composed of water. More specifically, examples of the water-soluble polymer include gelatin, sodium polyacrylate, polybutyl alcohol, and carboxymethyl cellulose.
- the cross-linking agent include water-soluble metal salts such as calcium chloride and magnesium sulfate.
- examples of the plasticizer include glycerin, wax, paraffin and the like.
- pressure-sensitive hot-melt pressure-sensitive adhesives are also used to form adhesives. It can be used as an adhesive.
- Pressure-sensitive hot-melt adhesives include styrene-isoprene-styrene block copolymers (SIs), styrene-butadiene-styrene block copolymers (SBS), styrene-ethylene.butadiene-styrene block copolymers (S EB S ), Synthetic rubber resin such as styrene-ethylene.propylene-styrene block copolymer (SEPS) as the main component, and melt-blended with tackifiers such as terpene resin and rosin resin and plasticizers such as Pettath. It is obtained by doing.
- SIs styrene-isoprene-styrene block copolymers
- SBS styrene-butadiene-styrene block copo
- the silicone resin-based adhesive is mainly composed of silicone resin and fluororesin, and is mixed with a cross-linking agent such as a metal salt such as platinum, molybdenum, and antimony, and a plasticizer such as an ester wax, glycerin, and machine oil. And the like.
- a cross-linking agent such as a metal salt such as platinum, molybdenum, and antimony
- a plasticizer such as an ester wax, glycerin, and machine oil. And the like.
- pressure-sensitive adhesives for forming the pressure-sensitive adhesive portion, but it is preferable to use a pressure-sensitive hot-melt pressure-sensitive adhesive in consideration of application stability.
- the hot-melt pressure-sensitive adhesive with high application stability is SEBS 15 to 25% by mass, plasticizer 15 to 35% by mass, and tackifier 40 to 70% by mass. Is mentioned.
- an antioxidant, a fluorescent inhibitor and the like may be added in the range of 0.1 to 1.0% by mass.
- This evaluation method measures the peel strength of the adhesive (Fig. 23) and the shear strength (Fig. 24) of the adhesive, and uses a constant-speed extension tensile tester and a length of 8 Ommx width of 50 mm. This is performed using a stainless steel plate 71 mm. Before conducting the evaluation test, apply a sticky agent 73 to a polyethylene film 72 of approximately the same size as the stainless steel plate 71 with a width of 25 mm and a length of 5 Omm at room temperature. Leave at (20 ° C) for 30 minutes.
- a polyethylene film 72 is overlaid lightly on the stainless steel plate 71 so that the adhesive 73 comes into contact with the stainless steel plate 71, and the roller is applied once (only one way) with a pressing force of 30 g / cm 2 . Then, leave it at room temperature (20 ° C) for 30 minutes to prepare a test piece.
- the portion of the polyethylene film 72 of the test piece prepared as described above was pulled in the direction of arrow A shown in FIG. 23 'and peeled (180 ° peel), and in the shear strength test, the polyethylene film 72 was peeled off. 24 Pull in the direction of arrow B shown in Figure.
- the test condition is that the tensile speed is 100 mm / m i ⁇ .
- the measured value of the peel strength is preferably 100 to 200 OmN / 25 mm, and the measured value of the shear strength is preferably 3000 to 15000 mN / 25 mm. The consideration is given to the burden on the wearer's skin.
- the adhesive portion is covered with a sheet of thin paper generally used as release paper coated with a silicone resin or a sheet of plastic film coated with a silicone resin. This can prevent the adhesive portion from being stained or peeled during storage.
- the interlabial pad of the present invention is preferably made of a biodegradable material and / or a water-dispersible material and / or a water-soluble material. This is because such a pad can be dropped into the toilet as it is after use, and the pad can be discarded easily and cleanly, and the amount of dust in the toilet can be reduced.
- biodegradable refers to bacteria, including actinomycetes, The decomposition of a substance into gases such as carbon dioxide or methane, water and biomass under anaerobic or aerobic conditions in accordance with natural processes in the presence of other microorganisms. Speed, degree of biodegradation, etc.) Force Compared to naturally occurring materials such as fallen leaves or synthetic polymers generally recognized as biodegradable in the same environment.
- Water dispersibility has the same meaning as water disintegration, and has no effect on a limited amount of water (menstrual blood) during use, but in a large amount of water or a stream of water, fibers are at least general. Is easily dispersed into small pieces that do not block the toilet plumbing.
- Water-soluble refers to the property of being unaffected by a limited amount of water (menstrual blood) during use, but soluble in large amounts of water or water flow.
- any of natural fibers and chemical fibers can be used.
- natural fibers include milled pulp, cellulose such as cotton, and yard pulp obtained by chemically bonding these with a water-soluble resin.
- chemical fibers include recycled fiber such as rayon, fipri / rayon, etc., chemical fibers such as PE, PP, PET, ethylene-butyl acetate copolymer, and so-called biodegradable fibers.
- water-soluble carboxymethyl cellulose, polyvinyl alcohol, or the like may be used.
- biodegradable fibers such as cellulose such as pulp and cotton, regenerated cellulose such as rayon, and polylactic acid.
- the above materials can be used alone or in combination to form a web or a nonwoven fabric.
- the web forming of so-called biodegradable fibers such as polylactic acid and polybutylene succinate is performed by the card method,
- the method may be performed by any one of a dry method and a wet method by a sand method, a melt blown method or an air laid method, or a combination thereof.
- Bonding methods include methods such as thermal bonding, needle punching, and chemical bonding, but are not particularly limited to these methods. Further, a span lace formed in a sheet shape by a hydroentanglement method may be used.
- Examples of a forming method for imparting water dispersibility include a method in which fibers are formed into a sheet by hydrogen bonding between the fibers to form a hydrolyzed paper, and fibers are combined with a water-soluble binder to form a sheet. And a method in which fibers are entangled and formed into a sheet to obtain a water-disintegrated paper.
- the fiber length is preferably in the range of 2 to 51 mm, more preferably in the range of 2 to 1 Omm, in order to have good water dispersion performance. Further, in order to have both water dispersibility and strength that does not cause breakage during use, it is preferable to select the fineness (thickness) from the range of 1.1 to 4.4 dtex. In particular, when rayon is used as the fiber, the fineness is preferably in a range of 1.1 to 3.3 dteX. If it is less than this range, water dispersibility will be good, but it will be brittle and dry easily when dried, while if it exceeds this range, water dispersibility will be significantly reduced.
- the basis weight of the front side sheet is preferably in the range of 20 to 60 gZm 2 .
- the breaking strength of the front side sheet (breaking strength at constant speed elongation at a grip interval of 10 Omm and a tensile speed of 10 Omm / min) must be at least 80 OmN / 25 mm in both length and width. Yes, considering the flexibility at the time of mounting, it is preferable to be in the range of 1,000 to 700 OmN / 25 mm.
- a more specific configuration of the front side sheet is, for example, a 1.1 to 4.4 dtex rayon fiber having a length of 5 to 10 mm and a wood pulp having a mass ratio of 90:10 to 70:30.
- the front side sheet may be provided with a plurality of holes to substantially improve menstrual permeability (water permeability) or to provide an image through which menstrual blood can easily pass.
- the hole diameter should be formed in the range of 0.5 to 1.5 mm, and the hole area ratio (opening ratio with respect to the total area) in the range of 3 to 20%.
- the same material as the water-permeable surface side sheet can be used.
- absorbents such as sodium alginate, starch, carboxymethyl cellulose, etc.- It is also possible to use granules or fibrous materials of superabsorbent polymers alone or by mixing with the above materials and molding them. It is.
- the absorbent body for example, which are laminated wood pulp basis weight 1 50 ⁇ 5 00 g / m 2 and sealed in tissue, which was adjusted to the thickness. 2 to 1 0 mm by a press device , And the like. It is also possible to increase the ability to absorb and retain menstrual blood by mixing an absorbent such as starch in the absorber at a ratio of 5 to 30 gZm 2 .
- Materials for the backside sheet of water-impervious grades include cellulose derivatives such as methylcellulose, hydroxyxetinoresorenolose, force / repoxymethinoresenorelose, polybutyl alcohol, sodium alginate, and sodium polyacrylate.
- Water-soluble polymers such as polyether, polyacrylate ether, polybierpyrrolidone, copolymer of isobutylene and maleic anhydride, or polymilk Examples include biodegradable polymers such as acids, polybutylene succinate, starch, and dextrin.
- the above materials can be used alone or mixed with the above materials to form a melt blown nonwoven fabric or a film sheet. Further, a water-repellent material such as a silicone resin may be applied to the film sheet or mixed, or a non-woven fabric made of the above-mentioned material may be subjected to a laminating process.
- a water-repellent material such as a silicone resin may be applied to the film sheet or mixed, or a non-woven fabric made of the above-mentioned material may be subjected to a laminating process.
- the specific configuration of the back side sheet of the water-impermeable, for example, the least one side also of the film was adjusted polyvinyl alcohol in weight per unit area 2 0 ⁇ 5 0 g Zm 2, more preferably on both sides, a silicone resin Or a fluororesin applied to a thickness of 0.5 to 5 ⁇ m.
- mini-sheet piece examples include a film made of polyvinyl alcohol, and a laminate material of a film made of polyvinyl alcohol and a tissue.
- a joining method applied to the present invention a joining method such as adhesion by water-soluble or water-swellable polyvinyl alcohol or the like, heat sealing, or joining by hydrogen bonding is used alone or in an appropriate combination. be able to.
- Industrial applicability such as adhesion by water-soluble or water-swellable polyvinyl alcohol or the like, heat sealing, or joining by hydrogen bonding is used alone or in an appropriate combination.
- the interlabial pad according to the present invention is provided with the bodily fluid storage hole near the center of the pad, so that the interlabial pad maintains the inherent cleanliness performance while preventing lateral leakage. Can be prevented, and the absorption and retention ability can be significantly improved.
- the package according to the present invention may The folded portion or bellows portion of the inter-lip pad is folded and accommodated, and at least the bottom of the bodily fluid storage hole is temporarily fixed to the inner wall of the packaging container. The part expands to form a bodily fluid storage hole. Therefore, the interlabial pad can be stored in a compact, and can be taken out so that its function can be immediately performed.
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)
Description
Claims
Priority Applications (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/JP2002/012017 WO2004045478A1 (ja) | 2002-11-18 | 2002-11-18 | 陰唇間パッド及びその包装体 |
| CNB028298292A CN1306922C (zh) | 2002-11-18 | 2002-11-18 | 阴唇间衬垫及其包装体 |
| AU2002343823A AU2002343823A1 (en) | 2002-11-18 | 2002-11-18 | Inter-labium pudenda pad and package body for the pad |
| US10/888,540 US20050010187A1 (en) | 2002-11-18 | 2004-07-08 | Inter-labium pudenda pad and package body for the pad |
| US11/298,347 US20060089613A1 (en) | 2002-11-18 | 2005-12-08 | Inter-labium pudenda pad and package body for the pad |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/JP2002/012017 WO2004045478A1 (ja) | 2002-11-18 | 2002-11-18 | 陰唇間パッド及びその包装体 |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| US10/888,540 Continuation US20050010187A1 (en) | 2002-11-18 | 2004-07-08 | Inter-labium pudenda pad and package body for the pad |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2004045478A1 true WO2004045478A1 (ja) | 2004-06-03 |
Family
ID=32321489
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/JP2002/012017 Ceased WO2004045478A1 (ja) | 2002-11-18 | 2002-11-18 | 陰唇間パッド及びその包装体 |
Country Status (4)
| Country | Link |
|---|---|
| US (2) | US20050010187A1 (ja) |
| CN (1) | CN1306922C (ja) |
| AU (1) | AU2002343823A1 (ja) |
| WO (1) | WO2004045478A1 (ja) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20090182296A1 (en) * | 2007-08-03 | 2009-07-16 | Melissa Jean Dennis | Body Adhering Article |
| US8734413B2 (en) | 2007-08-03 | 2014-05-27 | Kimberly-Clark Worldwide, Inc. | Packaged body adhering absorbent article |
| US8292862B2 (en) | 2007-08-03 | 2012-10-23 | Kimberly-Clark Worldwide, Inc. | Dynamic fitting body adhering absorbent article |
| US7947027B2 (en) | 2007-12-28 | 2011-05-24 | Kimberly-Clark Worldwide, Inc. | Body adhering absorbent article |
| US8251969B2 (en) | 2007-08-03 | 2012-08-28 | Kimberly-Clark Worldwide, Inc. | Body adhering absorbent article |
| US11147722B2 (en) * | 2008-11-10 | 2021-10-19 | Kimberly-Clark Worldwide, Inc. | Absorbent article with a multifunctional acrylate skin-adhesive composition |
| US8936587B2 (en) | 2012-08-03 | 2015-01-20 | Deborah Doescher | Feminine hygiene absorbent device and method |
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| WO1999025295A1 (en) * | 1997-11-14 | 1999-05-27 | The Procter & Gamble Company | Absorbent interlabial device |
| WO1999026578A1 (en) * | 1997-11-20 | 1999-06-03 | The Procter & Gamble Company | Method of making an absorbent interlabial device with a central groove |
| WO1999056681A2 (en) * | 1998-05-01 | 1999-11-11 | The Procter & Gamble Company | Absorbent interlabial device with substance thereon for maintaining the device in position |
| US6131736A (en) * | 1999-06-28 | 2000-10-17 | The Procter & Gamble Company | Packaging device for an interlabial absorbent article |
| JP2003038562A (ja) * | 2001-05-22 | 2003-02-12 | Uni Charm Corp | 陰唇間パッド及びその包装体 |
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2002
- 2002-11-18 WO PCT/JP2002/012017 patent/WO2004045478A1/ja not_active Ceased
- 2002-11-18 CN CNB028298292A patent/CN1306922C/zh not_active Expired - Fee Related
- 2002-11-18 AU AU2002343823A patent/AU2002343823A1/en not_active Abandoned
-
2004
- 2004-07-08 US US10/888,540 patent/US20050010187A1/en not_active Abandoned
-
2005
- 2005-12-08 US US11/298,347 patent/US20060089613A1/en not_active Abandoned
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|---|---|---|---|---|
| WO1999025295A1 (en) * | 1997-11-14 | 1999-05-27 | The Procter & Gamble Company | Absorbent interlabial device |
| WO1999026578A1 (en) * | 1997-11-20 | 1999-06-03 | The Procter & Gamble Company | Method of making an absorbent interlabial device with a central groove |
| WO1999056681A2 (en) * | 1998-05-01 | 1999-11-11 | The Procter & Gamble Company | Absorbent interlabial device with substance thereon for maintaining the device in position |
| US6131736A (en) * | 1999-06-28 | 2000-10-17 | The Procter & Gamble Company | Packaging device for an interlabial absorbent article |
| JP2003038562A (ja) * | 2001-05-22 | 2003-02-12 | Uni Charm Corp | 陰唇間パッド及びその包装体 |
Also Published As
| Publication number | Publication date |
|---|---|
| US20050010187A1 (en) | 2005-01-13 |
| US20060089613A1 (en) | 2006-04-27 |
| CN1694663A (zh) | 2005-11-09 |
| AU2002343823A1 (en) | 2004-06-15 |
| CN1306922C (zh) | 2007-03-28 |
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