CN1839777B - Package structure of absorbent article - Google Patents

Abstract

A packaging structure for an absorbent article, comprising folding an absorbent article (1) having an adhesive layer (51) on a non-skin-contacting surface of a main body (5) together with a packaging material (9) in the longitudinal direction , and formed by sealing a predetermined position of the packaging material, at least a part of the adhesive layer (51) is covered by a wearing auxiliary sheet (8) in a detachable state, and the absorbent article (1) is arranged in underwear, etc. Pulling up the wearing assisting sheet (8) while the skin-facing surface of the wearing material is in place allows the wearing assisting sheet (8) to be peeled off from the adhesive layer (51).

Description

Packaging Structure of Absorbent Articles

technical field

The present invention relates to a packaging structure for an absorbent article, which is formed by folding an absorbent article together with a packaging material and sealing a predetermined position of the packaging material.

Background technique

At present, absorbent articles such as sanitary napkins and panty liners (panty liners) are folded together with packaging materials, and then individually packaged (packaged individually) and sold on the market. In addition, such an absorbent article is usually used by fixing it to underwear such as underwear through an adhesive layer provided on the non-skin contact surface (referring to the side opposite to the side facing the wearer's skin). In the state, such an adhesive layer is covered and protected by a release paper or the like.

When using such an absorbent article, the release paper is peeled off at the same time as the absorbent article is torn off from the packaging material. At this time, the absorbent article is usually unfolded in the longitudinal direction and the entire adhesive layer is exposed.

For this reason, especially in an absorbent article that is long in the front-back direction of the wearer, when holding the absorbent article and trying to fix it on wearing parts such as underwear, the absorbent article is deformed, and sometimes the sticky adhesive layer does not stick. The part to be pasted, or pasted together between layers of adhesive.

As a technique for covering an adhesive layer, an absorbent article is described in Utility Model Registration No. 305467 (hereinafter referred to as Document 1), which has a The release paper of approximately the same shape and area as the adhesive layer is divided into two parts, and the adhesive layer is covered with these two parts. In addition, Japanese Patent Application Laid-Open No. 10-127686 (hereinafter referred to as Document 2) describes an absorbent article in which wings folded back toward the skin-contacting surface side of the main body and a buttock pad are bonded together. The agent layer is covered with a release paper secured to the packaging material.

In the absorbent article described in the above document 1, the release paper is divided into two pieces in addition to the packaging material for individually packaging the absorbent article, so the absorbent article is not easily fixed.

In the absorbent article described in the above-mentioned document 2, when the absorbent article is held and intended to be fixed on wearing parts such as underwear, the absorbent article is easily deformed, and therefore, as described above, the adhesive layer is easily attached to an unintended surface. The pasted part, or the adhesive layer is pasted together.

Contents of the invention

Therefore, an object of the present invention is to provide an absorbent article packaging structure that is excellent in handleability when the absorbent article is fixed to wearing materials such as underwear.

The present invention relates to a packaging structure for absorbent articles, which folds an absorbent article having an adhesive layer on a non-skin-contacting surface of a main body in the longitudinal direction together with a packaging material, and seals a predetermined position of the packaging material. And formed, at least a part of the above-mentioned pressure-sensitive adhesive layer is covered by the wearing auxiliary sheet in a detachable state, in the state where the above-mentioned absorbent article is arranged on the skin side surface of a wearing article such as underwear, by pulling up The above-mentioned wearing assisting sheet achieves the above-mentioned object by providing the above-mentioned packaging structure for an absorbent article by allowing the wearing assisting sheet to be peeled from the above-mentioned pressure-sensitive adhesive layer.

The packaging structure of the absorbent article of the present invention is formed by folding the absorbent article having the adhesive layer on the non-skin-contacting surface of the main body in the longitudinal direction together with the packaging material, and sealing a predetermined position of the packaging material. . Preferably, it is a packaging structure of an absorbent article in which a part of the adhesive layer is covered in a detachable state by a wearing assisting sheet fixed on the packaging material, and another portion not covered by the wearing assisting sheet A part is covered by the packaging material or other sheets in a peelable state, and the above-mentioned wearing auxiliary sheet is provided with a peeling part for peeling. By pulling up the peeling part, the above-mentioned wearing auxiliary sheet can be pulled from the longitudinal direction of the absorbent article. The vicinity of the portion of the adhesive layer covered by the packaging material or the other sheet is peeled away from the portion.

In addition, the packaging structure of the absorbent article of the present invention is obtained by folding the absorbent article having the adhesive layer on the non-skin contacting surface of the main body in the longitudinal direction together with the packaging material, and sealing the predetermined position of the packaging material. Formed, it is also preferable that it is the packaging structure of the absorbent article as follows: the above-mentioned wearing auxiliary sheet has a first sheet part covering the above-mentioned adhesive layer, and the above-mentioned adhesive layer side facing the first sheet part The second sheet part that is bent on the opposite side of the surface, the second sheet part has a protruding part protruding from one end of the above-mentioned absorbent article in the longitudinal direction, and by pulling up the above-mentioned protruding part of the second sheet part Alternatively, the wearing auxiliary sheet may be pulled out from between an absorbent article disposed along the skin-facing surface of the wearing material and the skin-facing surface of the wearing material.

The packaging structure of the absorbent article of the present invention has excellent operability when fixing the absorbent article to wearing parts such as underwear.

Description of drawings

Fig. 1 is a perspective view showing a packaging structure of a sanitary napkin as an embodiment of the present invention.

Fig. 2 (a) and Fig. 2 (b) are the figures that represent the unfolded state of the packaging structure of Fig. 1, Fig. 2 (a) represents the development view of the state observed from the sanitary napkin side, Fig. 2 (b) is a diagram 2(a) A-A line sectional view.

Fig. 3 is a plan view showing a side (non-skin-contacting side) of the back sheet of the sanitary napkin in the package structure of Fig. 1 .

Fig. 4 is a detailed view showing a wearing aid sheet used in the packaging structure of Fig. 1 .

Fig. 5 is a half-expanded view for explaining the configuration and manufacturing procedure of the packaging structure of Fig. 1 .

Fig. 6 is a schematic view showing how to use the sanitary napkin in the packaging structure of Fig. 1, and is a cross-sectional view corresponding to Fig. 2(b).

7(a) to 7(c) are diagrams showing other embodiments of the present invention.

Fig. 8 is a diagram showing yet another embodiment of the present invention.

Fig. 9(a) to Fig. 9(c) are diagrams showing still other embodiments of the present invention. Fig. 9(a) is a developed view showing the state seen from the sanitary napkin side. Fig. 9(b) is a cross-sectional view taken along line II-II of Fig. 9(a), and Fig. 9(c) is a schematic cross-sectional view showing a cross-section of the packaging structure along the longitudinal direction of the absorbent article.

Fig. 10 is a schematic view showing how to use the sanitary napkin in the packaging structure of Fig. 9, and is a cross-sectional view corresponding to Fig. 9(b).

Fig. 11(a) to Fig. 11(c) are diagrams showing still other embodiments of the present invention. Fig. 11(a) is a developed view showing the state seen from the sanitary napkin side. Fig. 11(b) is a sectional view taken along line III-III in Fig. 11(a), and Fig. 11(c) is a schematic sectional view showing a section along the longitudinal direction of the absorbent article of the packaging structure.

12(a) to 12(c) are diagrams showing still other embodiments of the present invention. Fig. 12(a) is a developed view showing the state seen from the sanitary napkin side. Fig. 12(b) is a cross-sectional view taken along line IV-IV of Fig. 12(a), and Fig. 12(c) is a schematic cross-sectional view showing a cross-section of the packaging structure along the longitudinal direction of the absorbent article.

13(a) to 13(c) are diagrams showing still other embodiments of the present invention. Fig. 13(a) is a developed view showing a state viewed from the sanitary napkin side. Fig. 13(b) is a V-V cross-sectional view of Fig. 13(a), and Fig. 13(c) is a schematic cross-sectional view showing a cross-section of the packaging structure along the longitudinal direction of the absorbent article.

Fig. 14(a) and Fig. 14(b) are diagrams showing still other embodiments of the present invention. Fig. 14(a) shows a developed view of the expanded state of the packaging structure viewed from the sanitary napkin side. Fig. 14(b) is a VI-VI line sectional view of Fig. 14(a).

Fig. 15 is a diagram showing yet another embodiment of the present invention, and is a sectional view showing a section corresponding to Fig. 9(b).

Fig. 16 is a diagram showing still another embodiment of the present invention, and is a cross-sectional view showing a cross section corresponding to Fig. 9(b).

Detailed ways

Hereinafter, the present invention will be described based on preferred embodiments with reference to the accompanying drawings.

As shown in FIG. 1 , as the packaging structure of an absorbent article according to the first embodiment of the present invention, there is a sanitary napkin packaging structure 10 in which sanitary napkins 1 are individually packaged with a packaging material 9 .

As shown in Fig. 2(a), Fig. 2(b) and Fig. 3, the sanitary napkin 1 (hereinafter also referred to as sanitary napkin 1) of this embodiment has a liquid-permeable front sheet 2, a liquid-impermeable The transient back sheet 3 and the liquid-retentive absorbent body 4 interposed between these two layers have a substantially longitudinally elongated shape.

The sanitary napkin 1 has, in order from one end portion to the other end portion in the longitudinal direction, a front portion A disposed close to the abdomen of the wearer when worn, an excretory portion facing portion B disposed opposite to the wearer's liquid discharge portion, and a disposition portion. In the rear portion C near the back of the wearer (refer to FIG. 3 ).

The sanitary napkin 1 has a main body 5 formed by laminating the front sheet 2, the absorber 4, and the back sheet 3 in the central part in the width direction. The flap part is formed by the back sheet 3 with its edge protruding and a sheet (not shown) made of a nonwoven fabric laminated on the back sheet 3 .

The flap portion expands outward in the width direction of the sanitary napkin 1 on the excretory portion facing portion B, thereby forming a pair of wing portions 6 , 6 on both left and right sides of the main body 5 . In addition, the flap portion also expands outward in the width direction of the sanitary napkin 1 in the rear portion C, thereby forming a pair of rear flap portions 6A, 6A on both left and right sides of the main body 5 .

The wing portion 6 has a wing portion bonding portion 61 formed by applying an adhesive on the surface of the back sheet 3 side. When the sanitary napkin 1 is fixed on underwear (wearing parts) such as underwear, the wing portion 6 is bent toward the back sheet 3 side, and the non-skin-facing surface of the underwear such as underwear is bonded and fixed by the wing portion adhesive portion 61. superior. When the sanitary napkin 1 is fixed to underwear such as underwear, the rear flap portion 6A is disposed on a skin-contacting surface of the underwear such as underwear while extending laterally of the main body 5 .

An adhesive is applied to the surface (non-skin-contacting surface) of the main body 5 on the back sheet 3 side to form a main body adhesive layer 51 for fixing the sanitary napkin. The main body adhesive layer 51 fixes the sanitary napkin 1 to wearing parts such as underwear, and is formed in a rectangle whose long side is the longitudinal direction of the sanitary napkin 1 . The main body pressure-sensitive adhesive layer 51 is continuously formed over a length of approximately 60% to 90% of the entire length in the longitudinal direction of the sanitary napkin.

As shown in FIG. 2( b), in the packaging structure 10 of this embodiment, a part 51A of the main body adhesive layer 51 is covered in a detachable state by the wearing auxiliary sheet 8 fixed on the packaging material 9, while the main body The other part 51B of the adhesive layer 51 which is not covered by the above-mentioned wearing assisting sheet 8 is covered by the packaging material 9 in a peelable state. A part 51A of the main body adhesive layer 51 covered by the wearing auxiliary sheet 8 is located on the rear part C side of the sanitary napkin 1, and a part 51B of the main body adhesive layer 51 covered by the wrapping material 9 is located at the front part of the sanitary napkin 1. A side.

The main body adhesive layer 51 of the sanitary napkin 1 is preferably covered by the wearing auxiliary sheet 8 over a length of 1/4 to 3/4, more preferably 1/3 to 2/3, of the entire length in the longitudinal direction. The substantially entire remaining portion not covered by the wearing aid sheet 8 is preferably covered with the wrapping material 9 or other sheet agents.

As shown in FIG. 2( b ) and FIG. 4 , the wearing aid sheet 8 of this embodiment is composed of a sheet material 80 different from the sheet material 90 constituting the packaging material 9 .

Here, the different sheet material 80 means that it is not formed by one sheet continuous with the sheet material 90 . By constituting the wearing aid sheet 8 with the sheet material 80 different from the sheet material 90 constituting the packaging material 9, it is possible to prevent excessive peeling of the adhesive during handling, and to improve the operability of fixing to underwear such as underwear.

As shown in FIG. 2( a ), FIG. 2( b ) and FIG. 4 , the wearing aid sheet 8 is composed of a rectangular or square sheet material 80 . The sheet material 80 is folded back from both ends in the same direction as the length direction of the sanitary napkin 1 to a predetermined width, and the peeling member 81 for peeling off the wearing auxiliary sheet 8 is formed by the folded portion 81 on the front end 11 side of the sanitary napkin. . In addition, the folded portion 82 on the rear end 12 side of the sanitary napkin 1 is joined and fixed to the surface of the packaging material 9 opposite to the sanitary napkin 1 side near the rear end of the sanitary napkin 1 . For this bonding, known bonding methods such as heat sealing, ultrasonic sealing, high-frequency sealing, and adhesive can be used. This engaged fixing portion is denoted by reference numeral 83 in FIG. 2( b ) and FIG. 5 .

In terms of the ease of grasping and preventing misuse of the wearing auxiliary sheet 8 (inverting to the adhesive position), the release member 81 is counted from the part (site 85) of the wearing auxiliary sheet 8 covering the main body adhesive layer 51. The total length (full length in the same direction as the longitudinal direction of the absorbent article) L is preferably 2 to 5 cm.

The packaging structure 10 of this embodiment is obtained, for example, as follows.

First, the packaging material 9 and the wearing auxiliary sheet 8 are joined at the fixing portion 83, and the wearing auxiliary sheet 8 is folded back at two places indicated by symbols 84 and 85 in FIG. 4 to form it as shown in FIG. The cross-sectional shape shown in.

Then, the sanitary napkin 1 provided with the main body adhesive layer 51 is placed thereon, whereby a part 51A of the main body adhesive layer 51 is covered by the wearing auxiliary sheet 8, while the other part of the main body adhesive layer 51 51B is covered by packing material 9 .

Then, while maintaining the above-mentioned covered state of the main body adhesive layer 51, the sanitary napkin 1 is bent in the longitudinal direction together with the packaging material 9 and the wearing auxiliary sheet 8 at a position near the center of the rear flap portion 6A. fold. The broken line at this time is represented by L1 in the figure.

Next, as shown in FIG. 5 , the sanitary napkin 1 is bent together with the wrapping material 9 near the boundary between the excretory portion facing portion B and the rear portion C. As shown in FIG. The broken line at this time is indicated by L2 in the figure. As shown in FIG. 5 , before this bending, the wings 6 are first bent toward the skin-contacting surface side of the main body 5 along the side edges of the main body 5 . Thereby, the adhesive part 61 of the wing part 6 is covered with the folded-back part 82 of the wearing auxiliary sheet 8 in the state which peels off.

Next, the sanitary napkin 1 is bent together with the wrapping material 9 in the vicinity of the boundary portion between the front portion A and the excretory portion facing portion B. As shown in FIG. The broken line at this time is indicated by L3 in the figure.

In this way, the sanitary napkin 1 is folded in the longitudinal direction together with the packaging material 9 to form a compact form.

Then, the both sides of the packaging material 9 extending outward in the width direction from both side edges of the folded sanitary napkin 1 are sealed by a known joining method such as embossing. The edge portion is fixed at a predetermined position with a known carrier tape (tab tape) 13, thereby obtaining the packaging structure 10 of the sanitary napkin 1 as shown in FIG. 1 .

When using the sanitary napkin 1 in the packaging structure 10 of the present embodiment, the sanitary napkin 1 is unfolded into the state shown in Figure 5 or Figure 6, and the packaging material on the front end 11 side of the sanitary napkin 1 is grasped simultaneously or afterwards. 9. By pulling up in the direction of the arrow P1 in FIG. 2( b ), the portion 51B of the main body adhesive layer 51 covered by the packaging material 9 is exposed. At this time, the wearing assisting sheet 8 is not peeled off from the main body pressure-sensitive adhesive layer 51 (51A).

Then, as shown in FIG. 6, the front portion side 1A of the sanitary napkin 1 in this state is temporarily fixed to the sanitary napkin fixing surface (the inner surface of the underwear, etc.) S of the sanitary napkin 1 by the above-mentioned part 51B of the main body adhesive layer 51. at the desired position.

After fixing the front portion side 1A of the sanitary napkin 1 at a desired position, grasp the release member 81, pull up the wearing auxiliary sheet 8 in the direction of the arrow P2, and expose the portion 51A covered by the wearing auxiliary sheet 8, Through this portion 51A, the rear side 1C of the sanitary napkin 1 is also fixed to the sanitary napkin fixing surface (inner surface of underwear, etc.) S. As shown in FIG.

According to the packaging structure 10 of this embodiment, the sanitary napkin 1 can be temporarily solidified on the desired position in a state where a part 51A of the main body adhesive layer 51 is covered with the wearing auxiliary sheet 8. Compared with the case where the whole body pressure-sensitive adhesive layer 51 is exposed, it is possible to prevent the body pressure-sensitive adhesive layer 51 from sticking to an unfavorable position, or to prevent the body pressure-sensitive adhesive layers 51 from sticking together.

In addition, by affixing the wearing auxiliary sheet 8 to a part of the main body adhesive layer 51, the part of the sanitary napkin 1, in particular, which is held by hand can be rigid to some extent, and the sanitary napkin can be temporarily fixed in this state. 1 or its position is determined, so it is possible to prevent the sanitary napkin 1 from being fixed to an unintended position, etc. In addition, the operability of the sanitary napkin 1 is also improved.

Also, since the packing material 9 and the wearing assisting sheet 8 are integrated, there is no fear of dropping it on the floor or in the toilet during the wearing operation. In addition, since the sanitary napkin 1 can be disposed of after it is fixed, the wearing operation can be performed smoothly.

The materials of the packaging structure 10 of this embodiment will be described below.

The adhesives used to form the main body adhesive layer 51 and the wing adhesive portion 61 are not particularly limited, and those currently used for forming adhesive portions of absorbent articles such as sanitary napkins can be used, respectively. Various adhesives. As an adhesive for forming the main body adhesive layer (adhesive layer) 51, styrene-butadiene copolymers and styrene-isoprene copolymers are preferably used. In addition, the adhesive types of the main body adhesive layer (adhesive layer) 51 and the wing adhesive portion 61 may be the same or different.

The wearing assisting sheet 8 is not particularly limited, and a sheet capable of covering the adhesive layer 51 formed by applying an adhesive in a peelable state can be used. For example, one or both sides of a substrate sheet made of paper or a resin film, etc., which have undergone release treatment can be used. As the peeling treatment, for example, a method of applying a silicone resin material and then heat-drying or ultraviolet treatment, and a method of forming a thin film by spraying or using various applicators, etc. are mentioned.

The packaging material 9 is not particularly limited, and a sheet capable of covering the adhesive layer 51 formed by applying an adhesive in a peelable state can be used. For example, polypropylene, low-density polyethylene, polyvinyl alcohol, or non-woven fabric, paper, and their composite materials, SMS non-woven fabric as the base sheet, and a sheet that has been peeled off on one or both sides can be used. wait. The peeling treatment may be performed on the entire surface of the base sheet, or may be performed only on the portion covering the adhesive layer 51 . The peeling treatment includes, for example, a method of applying a silicone resin material and then heat-drying or ultraviolet treatment, and a method of forming a thin film by spraying or using various applicators.

As other materials, various known materials currently used for packaging structures of absorbent articles can be used.

7(a) to 7(c) and FIG. 8 are diagrams showing other embodiments of the present invention. Regarding other embodiments, differences from the packaging structure 10 of the above-mentioned first embodiment will be mainly described, and descriptions of the same points will be omitted. The same symbols are used for the same parts as in the first embodiment. The description of the packaging structure 10 of the first embodiment can be appropriately applied where there is no particular description.

As shown in FIG. 7( a ), in the packaging structure of the second embodiment, the wearing auxiliary sheet 8 is fixed to the surface of the packaging material 9 on the sanitary napkin 1 side near the rear end of the sanitary napkin 1 . Its fixed portion is represented by symbol 83'.

As shown in Figure 7 (b), in the packaging structure of the third embodiment, the wearing auxiliary sheet 8 is fixed on the sanitary napkin 1 side of the packaging material 9 at a position slightly ahead of the rear end 12 of the sanitary napkin 1. face. Its fixing portion is represented by symbol 83 ″. The fixing portion 83 ′ of the wearing auxiliary sheet 8 and the packaging material 9 is located in the central region of the wearing auxiliary sheet 8 in the length direction of the sanitary napkin (absorbent article), thereby helping to prevent mistakes. Operation (inverted to the bonding site).

As shown in FIG. 7( c ), in the packaging structure of the fourth embodiment, the wearing auxiliary sheet 8 and the release member 81 are formed by folding back the sheet 90 constituting the packaging material 9 .

As shown in FIG. 8, in the packaging structure of the fifth embodiment, the peeling member 81 of the wearing auxiliary sheet 8 is formed by fixing a small piece 81 narrower than the width of the sheet 80 in the sheet 80 constituting the wearing auxiliary sheet 8. Yes, with such a configuration, the peeling force acts on the central portion of the wearing auxiliary sheet 8 to perform stable peeling in the longitudinal direction, so that the operability at the time of peeling is improved. Furthermore, if the small piece 81 is fixed on the side of the packaging material of the wearing assisting sheet 8, contact with the adhesive surface by pouring can be prevented, which is preferable. As a small piece, it is preferable to have an adhesive part and a non-adhesive part as a grip part.

Fig. 9(a) to Fig. 9(c) are diagrams showing still other embodiments of the present invention. Regarding the embodiment shown in FIGS. 9( a ) to 9 ( c ), differences from the packaging structure 10 of the first embodiment described above will be mainly described, and descriptions of the same points will be omitted. The same symbols are used for the same parts as in the first embodiment. The description of the packaging structure 10 of the first embodiment can be appropriately applied where there is no particular description.

As shown in Fig. 9 (a) ~ Fig. 9 (c), the packaging structure of the sixth embodiment is formed as follows: the sanitary napkin 1A having the main body adhesive layer 51 on the non-skin contacting surface of the main body 5 and the packaging The material 9 is folded together along the folding lines L4 and L5 in the longitudinal direction, and the both sides of the packaging material 9 protruding from the side edges of the folded sanitary napkin 1A to the outside in the width direction are sealed by a known joining method such as embossing. At the same time, one end edge of the packaging material 9 is fixed at a predetermined position with a known carrier tape 13 .

The front sheet 2 of the sanitary napkin 1A in the sixth embodiment is rolled down toward the side of the non-skin-contacting surface of the absorber 4 on both sides of the main body 5, and the both sides of the front sheet 2 are on the side of the absorber 4. The non-skin contact side is bonded to the back sheet 3 . 1 A of sanitary napkins in this embodiment do not have a wing part and a back flap part, and the main body 5 comprises the substantially whole body of 1 A of sanitary napkins.

The wearing assisting sheet 8A in the sixth embodiment is composed of a rectangular sheet that has been peeled off on one side. As shown in FIG. The material portion 86 and the second sheet portion 87 are bent toward the surface side opposite to the main body adhesive layer 51 side of the first sheet portion 86 .

The 2nd sheet|seat part 87 has the extension part 87a extended from the rear end (one end in the longitudinal direction) 12 of 1 A of sanitary napkins. As shown by the dotted line in Fig. 9(b), the protruding portion 87a may protrude outward from the end 12 in the longitudinal direction of the sanitary napkin 1A. From the viewpoint of easy grasping, etc., the extension length La of the extension portion 87a [see FIG. 9(b)] is preferably 5 mm or more, and can be set, for example, to about 1 to 25 cm. The upper limit of the protruding length La is not particularly limited, but the portion turned back toward the skin-contacting side of the main body 5 is preferably not longer than the other end 11 of the sanitary napkin 1A.

The above-mentioned protruding portion 87a of this embodiment is folded back toward the skin contacting surface side of the main body 5 in the vicinity of the rear end 12 of the sanitary napkin 1A. In addition, a part 51A of the main body adhesive layer 51 is covered by the wearing auxiliary sheet 8A in a detachable state, and another part 51B is covered by the packaging material 9 in a detachable state, and at least the main body adhesive layer is covered on the packaging material 9. Part 51B of part 51 is subjected to peeling treatment.

When using the sanitary napkin 1A in the packaging structure of this embodiment, the sanitary napkin 1A is torn from the packaging material 9, and as shown in FIG. , The sanitary napkin 1A is directly placed on the skin-facing surface S of wearing articles such as underwear.

Then, grab the protruding part 87a of the second sheet part 87 with your hand, and pull up the wearing auxiliary sheet 8A from the rear end 12 of the sanitary napkin 1A to the outside, from the sanitary napkin that is arranged along the skin-facing surface S of the wearing piece. Pull out the wearing auxiliary sheet 8A between the diaper 1A and the skin-facing surface S of the wearing article, and the arrow P3 in FIG. 10 indicates a preferred direction for pulling up the wearing auxiliary sheet 8A.

By pulling out the wearing assisting sheet 8A, the portion 51A covered by the wearing assisting sheet 8A is exposed, and the sanitary napkin 1A is firmly fixed to the skin-facing surface S of the wearing material through the portion 51A.

According to the packaging structure of the present embodiment, the sanitary napkin 1A can be arranged in a state where a part 51A of the main body adhesive layer 51A is covered with the wearing auxiliary sheet 8, so it is not the same as that arranged with the main body adhesive layer 51 exposed as a whole. Compared with the situation, it is possible to prevent the main body adhesive layer 51 from sticking to an unfavorable position, or to prevent the main body adhesive layers 51 from sticking together.

In addition, by sticking the wearing auxiliary sheet 8 on the part 51A of the main body adhesive layer, it is possible to make the part of the sanitary napkin 1A, especially the part held by hand, rigid to a certain extent. In this state, the sanitary napkin can be determined. Therefore, it is possible to prevent the sanitary napkin 1A from being fixed in an unintended position, etc. In addition, the operability of the sanitary napkin 1A is also improved.

Moreover, in this embodiment, the protruding portion 87a of the second sheet portion is folded back toward the skin-contacting surface side of the sanitary napkin 1A, so that when the sanitary napkin 1A is worn, the protruding portion 87a can be easily grasped, and more The operation of pulling out the wearing assisting sheet 8A is easily performed.

And in this embodiment, a part 51B of the main body adhesive layer is exposed by peeling off the wrapping material 9, and the sanitary napkin 1A can be temporarily fixed on the skin-facing surface S of the wearing part through this part 51B, so that It is easier to hold the sanitary napkin 1A in place. In addition, the sanitary napkin 1A is not easy to move when the pulling-out operation of the wearing assisting sheet 8A is performed.

In addition, as shown in FIG. 10 , the extraction of the wearing auxiliary sheet 8A must be able to be carried out in a state where the main body 5 is disposed along the skin-facing surface of the wearing piece substantially in the longitudinal direction. However, in actual use by consumers, It is not necessarily necessary to draw out in this state. For example, the sanitary napkin may be pulled out in a state where one end in the longitudinal direction of the sanitary napkin is along the skin-facing surface of the wearer and the other end is not along the skin-contacting surface of the wearer (for example, the state shown in FIG. 6 ). In addition, the operation of pulling out the wearing auxiliary sheet 8A may be performed in a state where the underwear or the like is pulled down, or may be performed in a state where the wearing material is pulled up.

11(a) to 11(c), 12(a) to 12(c), and 13(a) to 13(c) are diagrams showing still other embodiments of the present invention.

Regarding these embodiments, differences from the packaging structure of the above-mentioned sixth embodiment will be mainly described, and descriptions of the same points will be omitted. The same symbols are used for the same parts as in the first or sixth embodiment. The description of the packaging structure of the first or sixth embodiment can be appropriately applied where there is no special description.

The sanitary napkin 1B of the packaging structure of the embodiment shown in Fig. 11(a) ~ Fig. 11(c) is the same as the above-mentioned sanitary napkin 1, and has a pair of wing portions 6, 6 and a pair of rear flap portions 6A. , 6A. The wing portions 6 and the rear flap portions 6A are folded back toward the skin contact surface side of the main body 5 at both sides in the longitudinal direction of the main body 5 . The side of the back sheet of each wing 6 is provided with a wing bonding portion 61 for respectively fixing it on the non-skin-facing surface of wearing parts such as underwear, and on the back sheet of each rear flap 6A. One side of the material is provided with a rear flap adhesive portion 62 for respectively fixing it on the skin-facing surface of a wearing article such as underwear.

In the packaging structure of this embodiment, the protruding portion 87a of the second sheet portion 87 is folded back toward the skin contacting surface side of the main body 5 near the rear end 12 of the sanitary napkin 1B, and the protruding portion 87a is about the length of the sanitary napkin 1B. The direction reaches a position further forward than the position of the wing bonding portion 61 .

And this protruding part 87a covers the respective adhesive parts 61 and 62 of the wing part 6 and the rear flap part 6A in a detachable state.

In the packaging structure of this embodiment, the state that the protruding portion 87a of the second sheet portion 87 covers the adhesive portions 61, 62 can be maintained, the sanitary napkin 1B is arranged on the skin-facing surface of wearing parts such as underwear, and then , the protruding portion 87a is peeled off from the adhesive portions 61, 62, thereby preventing these adhesive portions 61, 62 from sticking to unfavorable positions, or preventing these adhesive portions 61, 62 from sticking together. In addition, since the peeling of the protruding portion 87a from the adhesive portions 61 and 62 and the peeling of the first sheet portion 86 from the main body adhesive layer 51 can be performed in a series of operations, operability is also excellent.

In the packaging structure of the embodiment shown in Figs. 12(a) to 12(c), the protruding part 87a of the second sheet part 87 protrudes on the front end 11 side of the sanitary napkin 1A. When using the sanitary napkin 1A, the second sheet can be placed in a state where the sanitary napkin 1A is disposed on the skin-facing surface of a wearing piece such as underwear with the front end 11 side of the sanitary napkin 1A positioned on the wearer's abdomen side. The protruding portion 87a of the portion 87 is pulled out from the front end 11 side of the sanitary napkin 1A. In the embodiment shown in Fig. 12 (a) ~ Fig. 12 (c), the protruding part 87a of the second sheet part 87 is not folded back to the side of the skin contacting surface of the main body 5, but it is the same as Fig. 9 (a) ~ 9 (c) or the embodiment shown in FIG. The same applies to the various aspects of the wearing assisting sheet 8A and the second wearing assisting sheet 8B in the embodiment shown in FIGS. 13( a ) to 13 ( c ).

In the packaging structure of the embodiment shown in Fig. 13 (a) ~ Fig. 13 (c), the part 51A of the rear end 12 side of the sanitary napkin 1A on the main body adhesive layer 51 is covered by the wearing auxiliary sheet 8A, and A portion 51B of the main body adhesive layer 51 on the front end 12 side of the sanitary napkin 1A is covered with the second wearing assisting sheet 8B. The second wearing auxiliary sheet 8B has the same structure as the wearing auxiliary sheet 8A, and has a first sheet portion 86' that covers the above-mentioned portion 51B of the main body adhesive layer 51 in a detachable state and a The second sheet part 87' is bent on the side opposite to the main body adhesive layer 51 side of the part 86'. The wearing auxiliary sheet 8B can be configured from the sanitary napkin 1A and the sanitary napkin 1A disposed along the skin-facing surface of the wearing piece by grasping and pulling up the protruding part 87b of the second sheet part 87 protruding from the front end 11 of the sanitary napkin 1A. Pull between the skin-facing sides of the wearable.

As shown in this embodiment, by covering the portion 51B of the main body adhesive layer 51 not covered by the wearing assisting sheet 8A with the second wearing assisting sheet 8B having the same configuration, the user can peel off a freely selected one. In the state where the auxiliary sheet 8A (or 8B) is worn, the sanitary napkin 1A is placed on the skin-facing surface of a wearing article such as underwear, and in this state, another wearing auxiliary sheet 8B (or 8A) is pulled out. That is, the user can select either a method of pulling out the wearing assisting sheet from the abdomen side or from the back side. In addition, the sanitary napkin 1A may be disposed on the skin-facing surface of underwear or the like in a state in which neither of the wearing auxiliary sheets 8A, 8B is peeled off, and in this state, one wearing auxiliary sheet 8A is placed from the abdomen to the other. Pull out the other wearing aid sheet 8B from the back side.

As described in the present embodiment, in the case of covering the main body adhesive layer 51 with two wearing assisting sheets 8A, 8B, the area ratio of one covering portion to the other covering portion is preferably set to 10:90 to 90: 10, more preferably 30:70 to 70:30.

Fig. 14(a) and Fig. 14(b) are diagrams showing still other embodiments of the present invention.

Regarding this embodiment, differences from the packaging structure of the sixth embodiment described above will be mainly described, and descriptions of the same points will be omitted. The same symbols are used for the same parts as in the sixth embodiment. Where there is no particular description, the description of the packaging structure of the sixth embodiment can be appropriately applied. The sanitary napkin 1 of the present embodiment is the same as the sanitary napkin 1 of the first embodiment.

In this embodiment, the part 51A of the front end 11 side of the sanitary napkin 1 on the main body adhesive layer 51 is covered by the first sheet part 86 of the wearing auxiliary sheet 8A, and the rear end 12 of the main body adhesive layer 51 One side part 51B is covered with packing material 9 .

The protruding portion 87a of the second sheet portion 87 of this embodiment is made of a release sheet 88 different from the sheet constituting the first sheet portion 86 and the second sheet portion (except for the protruding portion 87a) 87. form. The two sheets are integrated by joining the non-peeling surfaces with the adhesive 103 applied in a linear form.

The protruding portion 87a of the second sheet portion 87 protrudes from one end (front end) 11 in the longitudinal direction of the sanitary napkin 1, and is bent toward the non-skin-contacting surface side of the main body. And the protruding part 87a functions as a gripping part when pulling out the wearing auxiliary sheet 8A while protecting the wing part bonding part 61 until the sanitary napkin is used.

The packaging structure of the present embodiment is formed as follows: the sanitary napkin 1 shown in Fig. 14(a) and Fig. 14(b) is bent at the folding line (folding axis) L1, and the wing bonding portion is covered with a release sheet 88. After 61, it is bent in this order at the folding lines L2 and L3, and then the predetermined position of the packaging material 9 is sealed with embossing or carrier tape (not shown in the figure).

Comparing the width of the sheet material constituting the first sheet portion 86 and the second sheet portion 87 with the width of the release sheet 88 , the former is narrower. In addition, the length of the packaging material 9 in the longitudinal direction is a length slightly exceeding the folding line L1. Therefore, the use of materials can be reduced.

When the packaging structure of this embodiment is used, it can be directly arranged on wearing parts such as underwear in the unfolded state shown in FIG. When emphasizing that the sanitary napkin 1 is placed on underwear or the like in a state overlapping the fold line L1, it is preferable that the position of the one end edge 91 in the longitudinal direction of the packaging material 9 is not more than The position of the fold line L1 (between the fold line L1 and the fold line L2).

The packaging structure of the absorbent article of the present invention is not limited to the above-mentioned embodiment, and various changes can be made within the range not departing from the gist of the present invention. For example, a sanitary napkin may not have wings and/or rear flaps. In addition, the shape of the wearing assisting sheets 8, 8A, 8B can be set to a rectangle, a square, a trapezoid, a hexagon, an ellipse, or the like. In addition, the main body pressure-sensitive adhesive layer 51 may be divided into multiple pieces in the longitudinal direction and/or the width direction of the sanitary napkin 1 . In addition, the other part 51B not covered by the wearing assisting sheet may be covered with another sheet in a detachable state instead of being covered with the packaging material 9 . In this case, the same sheet as that of the wearing auxiliary sheet 8 can be mentioned as another sheet.

In the above-mentioned embodiment shown in FIGS. 11( a ) to 11 ( c ), both the wing bonding portion 61 and the rear flap portion bonding portion 62 can be extended by the second sheet portion 87 . The portion 87a is covered in a detachable state. Instead, it is also possible to make a structure in which only the wing bonding part of a sanitary napkin with only wings is covered with the protruding part 87a of the second sheet part 87, or only the sanitary napkin with only the rear flaps is covered. Adhesive portion of the rear flap. In addition, in the embodiments shown in FIGS. 9(a) to 9(c), FIG. 10, FIG. 11(a) to FIG. 11(c), and FIG. The part of the mixture layer 51 that is not covered by the wearing auxiliary sheet 8A is covered by the packaging material 9, but it can also be made into the following structure: as shown in FIGS. The auxiliary sheet 8A covers.

Moreover, the second sheet part 87 of the wearing auxiliary sheet 8A can be made to have a narrower width than the first sheet part 86, or it can be made as the second sheet part moves away from the connecting part with the second sheet part 87. A structure in which the width of the material portion increases or decreases. Moreover, the 2nd sheet part can be set as the strip-shaped sheet etc. which were divided into several in the width direction of a sanitary napkin. And, instead of wearing auxiliary sheet 8A having the first and second sheet parts, it is also possible to connect the linear body or the belt-shaped body to the first sheet part, and make the linear body or the belt-shaped body from the absorbent One end in the length direction of the article protrudes. At this time, the gripping portion constituted by a plate-shaped small piece or the like may be provided at the end of the linear body, and the gripping portion may be temporarily fixed to the skin contacting surface side of the main body. In addition, when connecting the linear body or the belt-shaped body to the first sheet part 86, it is preferable to form the first sheet part 86 in terms of ease of pulling out the first sheet part 86 from between the main body and the underwear. The sheet protrudes from the turning point 89 [see FIG. 12( a )] over about 10 to 20 mm, and forms a linear body or a strip at the protruding portion.

In addition, the embodiment shown in Fig. 9 (a) ~ Fig. 9 (c), Fig. 10, Fig. 11 (a) ~ Fig. 11 (c), Fig. 12 (a) ~ Fig. 12 (c) is in the longitudinal direction The packaging structure formed by bending and folding sanitary napkins at two positions (L4, L5). The sanitary napkin of the present invention can be bent and folded at three, four or more positions in the longitudinal direction, for example, as described in the packaging structure of the first embodiment shown in FIGS. 1 to 6 .

In addition, the parts omitted from description in the above-mentioned one embodiment and the requirements of only one embodiment can be appropriately applied to various other embodiments. In addition, the requirements of each embodiment can be mutually appropriate among the embodiments. to replace.

The absorbent article of the present invention may be other absorbent articles such as panty liners (panty liners) and incontinence pads, in addition to sanitary napkins.

Claims (11)

1. the packaging structure of an absorbent commodity, it is that the absorbent commodity that has adhesive phase on the non-skin contact of main body is folding in the longitudinal direction with packaging material, and the assigned position that seals these packaging material forms, at least a portion of described adhesive phase is worn auxiliary sheet material and covers with the state that can peel off, under the state that described absorbent commodity is configured on the skin opposite face of dressing part, by the auxiliary sheet material of the described wearing of pull-up, the auxiliary sheet material of this wearing can be peeled off from described adhesive phase.

2. the packaging structure of absorbent commodity as claimed in claim 1, the part of wherein said adhesive phase is worn auxiliary sheet material and covers with the state that can peel off, the auxiliary sheet material of this wearing is fixed on the described packaging material, simultaneously, an other part that is covered by the auxiliary sheet material of this wearing is not covered with the state that can peel off by these packaging material or other sheet material, the auxiliary sheet material of described wearing is provided with the release member of peeling off usefulness, by this release member of pull-up, the auxiliary sheet material of described wearing can be peeled off towards the direction away from this part near the part of adhesive phase by described packaging material or described other sheet material covering of the length direction of absorbent commodity.

3. the packaging structure of absorbent commodity as claimed in claim 2, the auxiliary sheet material of wherein said wearing is made of the sheet material different with the sheet material that constitutes described packaging material, and is fixed on the packaging material.

4. as the packaging structure of claim 2 or 3 described absorbent commodities, wherein said release member forms by the turning back of sheet material that constitutes the auxiliary sheet material of described wearing.

5. as the packaging structure of claim 2 or 3 described absorbent commodities, wherein said release member fixing small pieces narrower than this sheet width on the sheet material that constitutes the auxiliary sheet material of described wearing form.

6. the packaging structure of absorbent commodity as claimed in claim 3, the middle section of the auxiliary sheet material of the wearing of fixed position on the absorbent commodity length direction between auxiliary sheet material of wherein said wearing and the described packaging material.

7. the packaging structure of absorbent commodity as claimed in claim 1, the auxiliary sheet material of wherein said wearing have the 1st sheet material portion that covers described adhesive phase and to the 2nd sheet material portion of the face lateral buckling of the opposition side of described adhesive phase one side of the 1st sheet material portion, the 2nd sheet material portion has the extension that stretches out from an end of described absorbent commodity length direction, by the described extension of pull-up the 2nd sheet material portion, can between the skin opposite face of the absorbent commodity that disposes along the skin opposite face of described wearing spare and this wearing spare, extract the auxiliary sheet material of described wearing out.

8. the packaging structure of absorbent commodity as claimed in claim 7, the part of wherein said adhesive phase is covered with the state that can peel off by the auxiliary sheet material of described wearing, and an other part that is not covered by the auxiliary sheet material of this wearing is covered with the state that can peel off by described packaging material or other sheet material simultaneously.

9. the packaging structure of absorbent commodity as claimed in claim 8, the other part that is not covered by the auxiliary sheet material of described wearing of the auxiliary sheet material of wherein said wearing is dressed auxiliary sheet material by the 2nd and is covered with the state that can peel off, and the 2nd dresses auxiliary sheet material can be from other one distolateral extraction of described absorbent commodity length direction.

10. the packaging structure of absorbent commodity as claimed in claim 9, the described extension of described the 2nd sheet material portion of the auxiliary sheet material of wherein said wearing turns back to skin contact one side of described main body.

11. the packaging structure of absorbent commodity as claimed in claim 10; Wherein said absorbent commodity have with the relative section of excretory portion of the relative configuration of liquid discharge opeing section of wearer on expand to the outside of the width of absorbent commodity and the alar part that forms and/or be configured in the rear portion flap portion that forms near expanding to the outside of the width of absorbent commodity on the rear quadrate part of wearer back position, the described extension of the 2nd sheet material section of the auxiliary sheet material of described wearing covers the described alar part that turns back to skin contact one side of described main body and/or the bonding part of rear portion flap portion with the state that can peel off.

Images