JP3892886B2 - Absorbent articles - Google Patents

Description

  The present invention relates to an absorbent article provided with a wing-shaped flap that is used so as to be wound around a crotch portion of an underwear when being fixed to the underwear.

  Conventionally, as an absorbent article N such as a sanitary napkin, a panty liner, a cage sheet, an incontinence pad, for example, as shown in FIG. 10 and FIG. 2. Description of the Related Art There is known a structure in which an absorbent body 52 made of cotton pulp or the like is interposed between a back sheet 50 and a liquid permeable top sheet 51 made of a nonwoven fabric or a permeable plastic sheet.

  As this type of absorbent article N, in order to prevent misalignment in the mounted state, for example, one or a plurality of adhesive layers 53, 53 are formed on the non-skin contact surface side (outer surface), and the napkin body The wing-shaped flaps W, W extending outward are integrally formed on both sides in the longitudinal direction of the wing, and the wing-shaped flaps W, W are adhered to a surface (outer surface) on the liquid-impervious back sheet 50 side. There is one in which the agent layers 54 are provided.

  When the absorbent article N is fixed to the undergarment 30, as shown in FIG. 12, the absorbent article N is locally applied and the wing-shaped flaps W, W protruding laterally are taken out from the undergarment. The wing-shaped flaps W, W are folded at the folding lines RL, RL, and are adhered to the outer surface of the crotch portion of the underwear 30 while winding the crotch portion of the underwear.

On the other hand, when the absorbent article N is individually packaged, the wing-shaped flaps W, W are individually folded in a non-use surface side (back surface side) (hereinafter sometimes referred to as back folding). As shown in FIG. 13, the first mode of sealing in a bag (for example, refer to Patent Document 1), the wing-shaped flaps W and W are folded to the use surface side (hereinafter also referred to as belly fold for convenience). 2) A second mode of covering each pressure-sensitive adhesive layer 54, 54 and enclosing it in an individual bag in a state of being connected by a release paper 56 straddling between the pressure-sensitive adhesive layers 54, 54 (see, for example, Patent Document 2) Further, as shown in FIG. 14, after being placed on the packaging material 57 having a size larger than the outer shape of the napkin N, both side portions located on the long side of the packaging material 57 are inward along the long side direction. Folded and then located on the short side of napkin N A third mode in which both end portions are sequentially folded inward along the short side at the positions of fold lines (1) and (2), and then fixed with a tack seal 58 or the like (for example, patent document) 3).
Japanese Patent Laid-Open No. 9-94267 Utility Model Registration No. 2567607 Japanese Patent No. 2789242

  However, in the case of the individual packaging form according to the first aspect, when the individual packaging bag is opened, the release paper is peeled off, and the absorbent article N is attached to the underwear, the wing-shaped flaps W, W are folded back. Since the wings are attached, the wing-shaped flaps W and W have to be spread by hand, and in some cases, the adhesive layer 54 of the wing-shaped flaps W and W adheres to the main body backsheet 50, When peeled off, the base material of the main body backsheet 50 may be stretched or torn, making the napkin unusable.

  In the case of the individual form according to the second aspect, since the wing-shaped flaps W, W have creases toward the use surface side, the adhesive layer 54 formed on the wing-shaped flap W is formed on the back surface of the main body. The adhesive layer 53 is not adhered. However, it is necessary to peel off the release paper 56 straddling between the wing-shaped flaps W and W by hand and discard it, and the one-step opening method (the release paper can be automatically removed between one opening hand). The method to make it possible) has not been realized.

  Further, even if the release paper 56 is peeled off, the wing-shaped flaps W and W are not automatically opened and remain folded on the surface side by the folding folds. It had to be spread by hand, and it took time and effort to wear it. Further, the pressure-sensitive adhesive layers 54 and 54 formed on the wing-shaped flap W are formed by transferring the pressure-sensitive adhesive applied to the wing connecting release paper 56, but the phase shift of the adhesion position due to mechanical error is caused. There are also problems such as restrictions on the application position of the anti-slipping adhesive.

  In the case of the individually packaged form according to the third aspect, since a wrapping material larger than the outer shape of the napkin is prepared and the wing is folded together with the wrapping material, a wrapping material having a size larger than necessary is required and economical and environmental. It is not preferable.

  Therefore, the first problem of the present invention is to prevent the wing-shaped flap from adhering to the adhesive layer formed on the back surface of the main body at the time of opening in the absorbent article having the wing-shaped flap. The wing-shaped flap is automatically unfolded when the packaging material is peeled off, reducing the wearing effort, and the restrictions on the application position of the anti-slip adhesive for wing are eased. It is to improve.

  Next, the second problem is to keep the wing-shaped flap stably folded in the manufacturing process, eliminate the flapping of the wing-shaped flap during line conveyance, and stabilize the operation.

  The third problem is to make the individual packaging state of the absorbent article compact.

In order to solve the first problem, as the present invention according to claim 1, at the time of mounting, respectively, on both side portions of the main body portion in which the absorbent body is interposed between the liquid-permeable top sheet and the liquid-impervious back sheet. In the absorbent article formed with a wing-shaped flap that is fixed so as to involve the crotch part of the underwear,
A main body anti-slip adhesive layer is formed on the liquid-impervious back sheet side surface of the main body part, and a wing anti-slip adhesive layer is formed on the liquid-impervious back sheet side surface of the wing-shaped flap. ,
In the individually packaged product state, the main body anti-slip adhesive layer is covered with a main body release material, and the anti-slip adhesive layer formed on the wing-shaped flap is covered with a wing release material crossing in the width direction. In addition, the main body release material and the wing release material are firmly fixed on the overlapping surface, the wing-shaped flap is folded together with the wing release material on the liquid-permeable surface sheet side, and the individual packaging material is It is fixed to the main body release material and / or the wing release material,
The anti-slipping adhesive layer is provided by applying the anti-slipping adhesive to the wing release material, and then attaching the anti-slipping adhesive to a wing-shaped flap to transfer the anti-slipping adhesive. After the release material is bonded to the wing-shaped flap, it is cut into the product shape of the absorbent article, and the wing release material is arranged to be biased to the front side of the absorbent article with respect to the wing-shaped flap. An absorbent article is provided in which the front shape line is disengaged from the wing-shaped flap .

  In the present invention according to claim 1, when the individual packaging material is peeled off, the wing-shaped flap is pulled to the back sheet side by the wing release material so that the folded wing-shaped flap is automatically deployed. Become. Further, although the wing-shaped flap is unfolded, a certain amount of crease is attached to the use surface side, so that it is possible to prevent the wing-shaped flap from adhering to the anti-slip adhesive layer formed on the back surface of the main body. Further, when the individual packaging material is peeled, the peeling material for the main body is peeled together with the peeling material for the wing, so that a complete one-step opening method can be realized.

  Also, after applying (transferring) the anti-slipping adhesive to the wing-shaped flap, it was cut into a product shape and the wing-shaped flap was folded, so restrictions on the application position of the anti-slipping adhesive were eased. It becomes possible to apply an adhesive for preventing slippage to the outer edge of the flap, and the degree of freedom is greatly improved.

  In order to solve the second problem, as the present invention according to claim 2, the state in which the wing-shaped flap is folded together with the wing release material on the liquid-permeable surface sheet side is the wing release material and / or The absorbent article according to claim 1, wherein the absorbent article is held by folds of wing-shaped flaps.

  In order to solve the second problem, as a third aspect of the present invention, a state in which the wing-shaped flap is folded together with the release material for wing on the liquid-permeable surface sheet side is a hot melt, a heat seal, an ultrasonic wave. The absorbent article according to claim 1, wherein the absorbent article is temporarily attached and held by any joining means of the seals.

  In order to solve the second problem, as a fourth aspect of the present invention, when the wing-shaped flap is folded together with the wing release material on the liquid-permeable surface sheet side, a tip portion of the wing-shaped flap The absorptive article according to any one of claims 1 to 3 in which they overlap each other and the wing-shaped flaps are temporarily fixed at the overlapping portion.

  In the present invention described in the second to fourth aspects, since the wing-shaped flap can be stably maintained in a folded state, the flapping of the wing-shaped flap during line transportation is eliminated in the manufacturing process. , You will be able to stabilize the operation.

  In order to solve the third problem, as a fifth aspect of the present invention, the wing-shaped flap is folded to the liquid-permeable surface sheet side together with the side outer peripheral flap, with a position near the outer side of the absorber side edge as a broken line. An absorbent article according to any one of claims 1 to 4 is provided.

  In order to solve the third problem, as the present invention according to claim 6, the wing-shaped flap has a liquid-permeable surface together with the side outer peripheral flap and the absorber side edge portion with the inner side position of the absorber side edge as a broken line. An absorbent article according to any one of claims 1 to 4, which is folded on the sheet side.

  In the present invention according to the fifth and sixth aspects, with respect to the folding position of the wing-shaped flap, the base end portion of the wing-shaped flap is not set to the folded position as in the prior art, but the side portion outer peripheral flap of the absorbent article, The side outer peripheral flap and the absorber side part are folded to the liquid-permeable surface sheet side. As a result, when the wing-shaped flap is folded, the width of the absorbent article can be reduced, and the individual packaging size can be reduced.

  As described above in detail, according to the present invention according to claim 1, in the absorbent article including the wing-shaped flap, the wing-shaped flap does not adhere to the pressure-sensitive adhesive layer formed on the back surface of the main body at the time of opening. The step opening method can be realized and the wing-shaped flaps are automatically deployed when the packaging material is peeled off, reducing the labor and the restrictions on the application position of the anti-slip adhesive for wings. , Operability can be improved.

  According to the second to fourth aspects of the present invention, in the manufacturing process, the state in which the wing-shaped flap is stably folded in the stomach is maintained, the flapping of the wing-shaped flap during line conveyance is eliminated, and the operation is stabilized. Can do.

  According to the fifth and sixth aspects of the present invention, the individual packaging state of the absorbent article can be made compact.

  Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings.

  FIG. 1 is a partially broken development view of a sanitary napkin 1 according to the present invention, FIG. 2 is a rear view thereof, and is a view taken along the line III-III of FIG.

The sanitary napkin 1 includes a liquid-impervious back sheet 2 made of a polyethylene sheet, a polypropylene sheet, etc., a liquid-permeable front sheet 3 that allows permeation of menstrual blood, cages, and the like, and a space between the two sheets 2 and 3. An absorbent body 4 made of cotton-like pulp or synthetic pulp intervening in the sheet, crepe paper 5 surrounding the absorbent body 4 for maintaining the shape and improving the diffusibility of the absorbent body 4, and longitudinally on both sides of the surface. It is comprised from the side nonwoven fabrics 6 and 6 formed along the direction. Around the absorber 4, at the upper and lower edge portions, the outer edge portions of the liquid-impervious back sheet 2 and the liquid-permeable surface sheet 3 are joined by an adhesive such as hot melt or an adhesive means such as heat seal. In addition, the liquid-impervious backsheet 2 and the side nonwoven fabric 6 that extend laterally from the absorbent body 4 at both side edges thereof are joined by an adhesive such as hot melt or an adhesive means such as heat seal. Has been. In the present specification, the flap portions at both side edges are referred to as “side outer peripheral flaps F _S ”.

Hereinafter, the structure of the sanitary napkin 1 will be described in detail.
As the liquid-impermeable back sheet 2, a sheet material having at least water shielding properties such as an olefin resin sheet such as polyethylene or polypropylene is used. In addition, a laminated nonwoven fabric obtained by laminating a nonwoven fabric on a polyethylene sheet or the like, or A nonwoven fabric sheet (in this case, the waterproof film and the nonwoven fabric constitute a liquid-impervious back sheet) can be used after substantially impervious to liquid imperviousness by interposing a waterproof film. In recent years, those having moisture permeability tend to be used from the viewpoint of preventing stuffiness. This water- and moisture-permeable sheet material is a microporous sheet obtained by forming a sheet by melting and kneading an inorganic filler in an olefin resin such as polyethylene or polypropylene, and then stretching in a uniaxial or biaxial direction. It is.

  Next, as the liquid-permeable surface sheet 3, a porous or non-porous nonwoven fabric or a porous plastic sheet is preferably used. Examples of the material fibers constituting the nonwoven fabric include synthetic fibers such as polyethylene or polypropylene, synthetic fibers such as polyester and polyamide, recycled fibers such as rayon and cupra, and natural fibers such as cotton. A nonwoven fabric obtained by an appropriate processing method such as a lace method, a spun bond method, a thermal bond method, a melt blown method, or a needle punch method can be used. Among these processing methods, the spunlace method is excellent in terms of flexibility and drapeability, and the thermal bond method is excellent in terms of being bulky and soft. On the other hand, on the upper surface of the liquid-permeable surface sheet 3, side embosses 7 and 7 are formed on both sides of the blood drainage corresponding site, respectively along the substantially longitudinal direction, and arcuate embossing 8 and 8 is formed.

  The absorbent body 4 interposed between the liquid-impervious back sheet 2 and the liquid-permeable top sheet 3 is made of, for example, fluffy pulp and a water-absorbing polymer. The water-absorbing polymer is mixed in the pulp constituting the absorber, for example, as granular powder. Examples of the pulp include chemical fibers obtained from wood, cellulose fibers such as dissolved pulp, and artificial cellulose fibers such as rayon and acetate. Softwood pulp having a longer fiber length than hardwood pulp functions and It is preferably used in terms of price. When the crepe paper 5 surrounding the absorbent body 4 is provided as in this example, the crepe paper 5 is interposed between the liquid-permeable surface sheet 3 and the absorbent body 4 as a result. The crepe paper 5 which is excellent in diffusing body fluids quickly prevents reversal of menstrual blood and the like.

  On the other hand, side nonwoven fabrics 6 and 6 are provided on both sides of the sanitary napkin 1 along the longitudinal direction and almost the entire length of the napkin 1, respectively. Wing-like flaps W, W are formed by a part of the liquid-impervious back sheet 2 that extends sideways and also extends sideways.

  As the side nonwoven fabric 6, a water-repellent treated nonwoven fabric or a hydrophilic treated nonwoven fabric can be used from the viewpoint of important functions. For example, if importance is placed on functions such as preventing permeation of menstrual blood or vaginal discharge, or enhancing the touch feeling, water repellent treatment coated with silicon, paraffin or alkylchromic chloride water repellent It is desirable to use a nonwoven fabric. Further, if importance is attached to the absorption of menstrual blood and the like in the wing-shaped flaps W, W, a method of polymerizing a compound having a hydrophilic group, for example, an oxidation product of polyethylene glycol, in the process of producing a synthetic fiber, , By treating with a metal salt such as stannic chloride, partially dissolving the surface to make it porous, and depositing metal hydroxides to swell or make the synthetic fiber porous, applying capillary action to make it hydrophilic It is desirable to use a hydrophilic treated non-woven fabric provided with.

  As shown in FIG. 2, the non-skin contact surface of the main body part in which the absorbent body 4 is interposed between the liquid-permeable top sheet 3 and the liquid-impervious back sheet 2 is for fixing to the underwear. A plurality of main body displacement prevention adhesive layers 9, 9... In the illustrated example are formed by an appropriate application pattern, and the main body displacement prevention adhesive layers 9, 9. Covered by. The wing-shaped flaps W, W are formed on the liquid-impervious back sheet 2 side with wings-stopping adhesive layers 10, 10, and the wings-stopping adhesive layers 10, 10 are wide. It is covered with one wing release material 12 that crosses in the direction. Further, the main body release material 11 and the wing release material 12 are firmly fixed and integrated by a hot melt adhesive or the like in a region surrounded by a chain line 13. In this example, one release material is used as the release material 12 that covers the wings-stopping pressure-sensitive adhesive layers 10, 10.

  As the pressure-sensitive adhesive that forms the anti-displacement pressure-sensitive adhesive layers 9 and 10, for example, a styrenic polymer, a tackifier, or a plasticizer whose main component is preferably used. Examples of the styrenic polymer include styrene-ethylene-butylene-styrene block copolymers, styrene-butylene-styrene block copolymers, and styrene-isobutylene-styrene copolymers. It may be used or two or more polymer blends. Among these, a styrene-ethylene-butylene-styrene block copolymer is preferable in terms of good thermal stability. As the tackifier and plasticizer, those that are solid at room temperature can be preferably used. Examples of the tackifier include C5 petroleum resins, C9 petroleum resins, dicyclopentadiene petroleum resins, and rosin petroleum resins. Polyterpene resin, terpene phenol resin, etc., and examples of the plasticizer include monomer plasticizers such as trifresil phosphate, dibutyl phthalate, dioctyl phthalate, and polymer plasticizers such as vinyl polymers and polyesters. It is done.

  As the release materials 11 and 12, for example, a release treatment liquid such as a silicone resin, a fluorine resin, or a tetrafluoroethylene resin is applied to the contact surfaces with respect to the slip prevention adhesive layers 9 and 10. Alternatively, paper or plastic sheet that has been spray-coated and mold-released can be used. In this case, at least for the wing release material 12, a plastic sheet rich in flexibility is used so that the wing flaps W and W can be smoothly unfolded when the individual packaging material is peeled off from the individual packaging state. Good. It should be noted that the film itself or the nonwoven fabric itself may be used as long as it does not cause a substantial decrease in the adhesive force without special release treatment.

To individually packaged sanitary napkin 1 described above, as shown in FIG. 4, one of the wing-shaped flaps W outside the vicinity of the absorbent body 4 side edges as a line, including the side periphery flaps F _S, after folding the liquid-permeable surface sheet 3 side together with release material 12 wings, the other wing-shaped flaps W outside the vicinity of the absorbent body 4 side edges as a line, including the side periphery flaps F _S, stripping wings Fold together with the material 12 to the liquid-permeable surface sheet 3 side so that the wing release material 12 extends beyond the fold-line position of the wing-shaped flaps W, W to the surface of the liquid-impermeable back sheet 2 side. .

  In this case, if the wing-shaped flaps W, W are simply folded to the liquid-permeable surface sheet 3 side, the shape is not stable, and the wing-shaped flaps W, W are lifted or fluttered. And may cause entanglement. Therefore, in order to stabilize the operation, the wing-shaped flap W is held in a state of being folded together with the wing release material 12 on the liquid-permeable surface sheet 3 side. Specifically, as the first means, a paper material having a certain degree of stiffness is used as the wing release material 12, and the folded state is maintained by the folding and / or folding of the wing-shaped flap is performed. Use to hold the folded state. The second means can be temporarily attached and held by any one of hot melt, heat seal, and ultrasonic seal. When the first means and the second means are compared, the first means has an advantage that it can be easily performed without using other materials, but it is difficult to fold the wing-shaped flap W in close contact with the surface sheet 3 surface. Often. On the other hand, in the case of the second means, the folded state can be maintained while closely contacting the surface sheet 3 without lifting the wing-shaped flap W, and the adhesive force and the adhesive range can be arbitrarily set. desirable. Further, in the present invention, one of the purposes is to automatically unfold the wing-shaped flap W when the wing-shaped flap W is peeled off from the individual packaging material. Therefore, the first means is employed and the wing release material 12 is firm. The use of the second means is recommended because it is preferable to use a flexible plastic sheet so that the wing-shaped flap W can be unfolded smoothly rather than using paper.

In the illustrated example, including the side periphery flaps F _S, the wing-shaped flaps W, due to the W so folded liquid-permeable topsheet 3 side together with the wing release material 12, the wing-shaped flaps W, and W The tip parts overlap each other. Therefore, it is desirable to temporarily hold the overlapping portion by any one of the hot melt, heat seal, and ultrasonic seal. Note that the overlap margin S of the wing-shaped flaps W, W is preferably about 1/4 or more of the protruding length L of the wing-shaped flap W in order to further stabilize the operation.

Furthermore, the temporary attachment holding by the hot melt or the like, as will be described later, is a fold line region (line (1), (2) in FIG. 6) when the napkin 1 is folded along the short side direction for individual packaging. it is desirable to at least comprise temporarily stuck holding the neighboring region), more preferably including folding surface of the side outer peripheral flap F _S, it is desirable to temporarily attached hold the entire surface of the folding surface.

  If the wing-shaped flaps W, W are folded together with the wing release material 12 on the surface side, the sanitary napkin 1 is individually mounted by the individual sheet 14.

  As shown in FIG. 6, the individual packaging method has a width that is narrower than the developed width of the napkin 1 (distance between the tips of the wing-shaped flaps W and W), and is smaller than the folded state of the wing-shaped flaps W and W. Using a wide individual sheet 14 having a predetermined length, the napkin 1 is placed on the individual sheet 14 so that at least one short side 14b of the individual sheet 14 is positioned outside one of the front and rear ends of the napkin 1. The individual sheet 14 and the main body release material 11 and / or the wing release material 12 are firmly fixed by a hot melt adhesive or the like.

  After that, if the napkin rear end side is folded at the fold line (1) position, the napkin front end side is folded at the fold line (2) position, and as shown in FIG. The side edge portion 14a thus sealed is sealed by an appropriate sealing means such as emboss pressure bonding, heat fusion, and adhesive. Moreover, the front-rear direction edge 14b of the individual packaging sheet 14 is preferably sealed with a tab tape 15 after being joined with an adhesive.

  In the case of such an individually absorbent article, as shown in FIG. 8, when the napkin 1 is taken out from the individual bag and the individual sheet 14 is peeled off, the wing-shaped flaps W and W are separated from the back sheet side by the wing release material 12. The wing-shaped flaps W, W that are pulled and bent in the stomach are automatically deployed. Further, although the wing-shaped flaps W, W are unfolded, the wing-shaped flaps W, W are formed on the back surface of the main body because the wing-shaped flaps W, W have some creases on the use surface side. There is no longer any adhesion. When the individual packaging sheet 14 is peeled off, the main body release material 11 is peeled off together with the wing release material 12, so that a complete one-step opening method can be realized.

By the way, the present invention can be variously modified in addition to the above embodiments. Below, in order,
(1) In the above example, the main body release adhesive 11 is provided to cover the main body slip prevention adhesive layers 9, 9, but at least the main body slip prevention adhesive layers 9, 9 on the inner surface side of the individual sheet 14. It is possible to omit the main body release material 11 by performing a mold release process on the corresponding part. In this case, the operation efficiency is increased by reducing the materials used, and it contributes to the reduction of garbage.
In (2) above example, wing-shaped flaps W, W is an outer vicinity of the absorber 4 side edges as a line, with the side periphery flaps F _S, has been so folded liquid-permeable topsheet 3 side, an inner position of the absorption side edge as a line, with the side edge portion of the side outer peripheral flap F _S and the absorber 4 may be folded into a liquid-permeable topsheet 3 side. In this case, further downsizing can be achieved.
(3) In the above example, when folding wing-shaped flaps W, W on the surface sheet 3 side, but so folded contain side outer peripheral flap F _S, as shown in FIG. 9, the wing-like flaps W, You may make it fold only W part to the surface sheet 3 side.
(4) In the above example, the sanitary napkin 1 in which the wing-shaped flaps W, W are formed is taken as an example, but the present invention is applied to the sanitary napkin for night use in which the hip-hold flap is formed on the rear side. However, the same can be applied.
(5) In the above example, the wing-shaped flaps W and W are formed by the side nonwoven fabric 6 and the liquid-impervious back sheet 2, but the wing-shaped flap W may be formed by the side nonwoven fabric 6 alone. The wing-shaped flap W may be formed by the liquid-impermeable back sheet 2 alone.

It is a partial fracture development view of sanitary napkin 1 concerning the present invention. FIG. It is the III-III arrow directional view of FIG. It is a top view which shows the folding procedure of a wing-shaped flap. It is the cross-sectional view (VV arrow line view of FIG. 4). It is a perspective view which shows the individual packaging procedure. It is a perspective view which shows an individual packaging state. It is a perspective view which shows the opening procedure. It is an expanded view which shows the other folding point of the wing-shaped flaps W and W. FIG. It is an expanded view of the conventional sanitary napkin N. FIG. FIG. It is a top view which shows the folding procedure of the conventional wing-shaped flaps W and W. FIG. It is a procedure figure which shows the conventional individual packaging procedure.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 ... Sanitary napkin, 2 ... Liquid impervious back sheet, 3 ... Liquid permeable top sheet, 4 ... Absorber, 5 ... Crepe paper, 6 ... Side nonwoven fabric, 9 ... Main body slip prevention adhesive layer, 10 ... Wing Anti-slip adhesive layer, 11 ... release material for main body, 12 ... release material for wing, 14 ... individual packaging sheet, W ... wing-shaped flap, F _S ... side outer peripheral flap

Claims (6)

Wing-like flaps are formed on both sides of the body part where the absorbent body is interposed between the liquid-permeable top sheet and the liquid-impervious back sheet so that the crotch part of the underwear is fixed when worn. In absorbent articles,
A main body anti-slip adhesive layer is formed on the liquid-impervious back sheet side surface of the main body part, and a wing anti-slip adhesive layer is formed on the liquid-impervious back sheet side surface of the wing-shaped flap. ,
In the individually packaged product state, the main body anti-slip adhesive layer is covered with a main body release material, and the anti-slip adhesive layer formed on the wing-shaped flap is covered with a wing release material crossing in the width direction. In addition, the main body release material and the wing release material are firmly fixed on the overlapping surface, the wing-shaped flap is folded together with the wing release material on the liquid-permeable surface sheet side, and the individual packaging material is It is fixed to the main body release material and / or the wing release material,
The anti-slipping adhesive layer is provided by applying the anti-slipping adhesive to the wing release material, and then attaching the anti-slipping adhesive to a wing-shaped flap to transfer the anti-slipping adhesive. After the release material is bonded to the wing-shaped flap, it is cut into the product shape of the absorbent article, and the wing release material is arranged to be biased to the front side of the absorbent article with respect to the wing-shaped flap. An absorbent article, characterized in that the front shape line of is disengaged from the wing-shaped flap .   The absorptivity according to claim 1, wherein a state in which the wing-shaped flap is folded together with the wing release material on the liquid-permeable surface sheet side is held by a fold of the wing release material and / or the wing-shaped flap. Goods.   The state in which the wing-shaped flap is folded together with the wing release material on the liquid-permeable surface sheet side is temporarily held by a joining means of hot melt, heat seal, or ultrasonic seal. The absorbent article according to 1.   When the wing-shaped flap is folded together with the wing release material on the liquid-permeable surface sheet side, the leading ends of the wing-shaped flap overlap each other, and the wing-shaped flaps are temporarily fixed at the overlapping portion. The absorbent article in any one of Claims 1-3.   The absorbent article according to any one of claims 1 to 4, wherein the wing-shaped flap is folded on the liquid-permeable surface sheet side together with the side portion outer peripheral flap with the position near the outer side of the absorber side edge as a broken line.   The absorptivity according to any one of claims 1 to 4, wherein the wing-shaped flap is folded to the liquid-permeable surface sheet side together with the side outer peripheral flap and the absorber side edge portion with the inner position of the absorber side edge as a broken line. Goods.

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