JP5189031B2 - Absorbent articles - Google Patents

Description

  The present invention relates to an absorbent article.

DESCRIPTION OF RELATED ART Conventionally, the absorbent pad used by attaching to the inner side of the exterior body with which a human body, such as a diaper, a diaper cover, and underpants, is used as an absorbent article is known.
As such an absorbent pad, for example, an absorbent pad that can suppress liquid leakage by making a slit in the absorbent body and smoothly bending the concave body toward the wearer's body ( Disposable diapers) have been proposed (see Patent Document 1).
By the way, night pads, long-time pads, etc., among absorption pads are often used in a sleeping position. In a state of taking a sleeping posture, the wearer turns over or changes his position. In that case, since a wearer moves a leg, there exists a problem that an absorption pad shifts | deviates from an exterior body, or an absorber is easy to bend or crack inside an absorption pad.

JP 2003-325563 A

  However, in the absorbent pad described in Patent Document 1, the slits are located in the crotch so that the wearer can turn over and change the body position to change the body orientation and retain the cup shape (concave shape). It is formed in a square shape with an increasing distance toward the center of the absorbent pad. In this case, although the liquid leakage can be suppressed, it is not possible to suppress the absorption pad from being displaced from the exterior body or the absorber from being bent or cracked inside the absorption pad. If the absorbent pad is displaced from the exterior body or the absorbent body is bent or cracked inside the absorbent pad, the liquid is liable to leak, and the skin feels stiff and a burden on the skin, resulting in poor wearing feeling.

  An object of the present invention is to provide an absorbent article that is difficult to leak and has a good wearing feeling.

In order to solve the above-mentioned problem, the invention described in claim 1
A liquid-permeable top sheet, a liquid-impervious back sheet, and an absorbent body interposed between the top sheet and the back sheet, and attached to an exterior body to be worn on a human body Used, when worn, abdomen located on the abdomen side of the wearer, a dorsal side located on the dorsal side, a crotch part located between the abdomen and the dorsal side, and around the legs In an absorbent article comprising two leg surrounding parts located in
Provided at least on the abdominal side of the surface opposite to the contact surface with the wearer at the time of wearing, comprising a fixing member for fixing the absorbent article to the exterior body;
Toward the back side from the crotch portion in the absorbent body, a pair of slit bets shaped Ha distance toward the rear section widens is provided,
The pair of slits are provided so as to cut out end portions in the width direction of the absorber,
The absorber comprises an absorber core composed of a lower layer absorber disposed on the back sheet side and an upper layer absorber disposed on the top sheet side,
The pair of slits are provided in the lower layer absorber,
The upper-layer absorber is provided with a second slit provided so as to cut out the end on the ventral side .

The invention described in claim 2
The absorbent article according to claim 1,
The fixing member is provided at a position facing the second slit .

The invention according to claim 3
In the absorptive article according to claim 1 or 2,
The absorption rate of the upper layer absorber is faster than the absorption rate of the lower layer absorber .

The invention according to claim 4
In the absorptive article according to any one of claims 1 to 3,
A gather sheet for forming a pair of three-dimensional gathers standing at both side edges in the width direction of the absorbent body on the top sheet side and an elastic member for three-dimensional gather;
An elastic member for planar gathers for forming planar gathers on both side edges of the crotch part in the absorbent article;
It is characterized by providing.

The invention described in claim 5
In the absorptive article according to any one of claims 1 to 4,
The lower layer absorber is formed wider than the upper layer absorber .

The invention described in claim 6
In the absorptive article according to any one of claims 1 to 5,
A back sheet made of a non-woven fabric covering a surface opposite to the surface of the back sheet on the top sheet side is provided.

According to the present invention, it is provided at least on the ventral side of the surface opposite to the contact surface with the wearer at the time of wearing, and includes a fixing member for fixing the absorbent article to the exterior body. toward the back side, a pair of slit bets shaped Ha distance toward the rear section spreads are provided.
Further, the absorber includes an absorber core composed of a lower layer absorber disposed on the back sheet side and an upper layer absorber disposed on the top sheet side, and the upper layer absorber has an end on the ventral side. A second slit provided so as to cut out the portion is provided, and the lower layer absorber is provided with a pair of slits so as to cut out the end portion in the width direction of the absorber.
That is, it can suppress that an absorbent article slip | deviates from an exterior body by providing a fixing member. Furthermore, by providing a pair of slits and a second slit in the absorbent body, the absorbent body can easily follow the movement of the wearer's body, so that the absorbent body can be prevented from being twisted or cracked. Since the absorbent article bends at the positions of the pair of slits and the second slit, it is possible to reduce wrinkles. Therefore, it is possible to provide an absorbent article that is difficult to leak and has a good wearing feeling.

It is a perspective view which shows an example of the state at the time of mounting | wearing of the absorbent article of this embodiment. It is a plane development view showing an example of the lower side of an absorptive article of this embodiment. It is a plane development view showing an example of the upper side of the absorptive article of this embodiment. It is a plane development view showing an example of the upper side of the absorber with which the absorptive article of this embodiment is provided. It is sectional drawing which shows an example of the VV part of FIG. It is sectional drawing which shows an example of the VI-VI part of FIG. It is sectional drawing which shows an example of the VII-VII part of FIG. It is a top view which shows an example of the absorber with which the absorbent article of the modification 1 is provided. It is a top view which shows an example of the absorber with which the absorbent article of the modification 2 is provided. It is a top view which shows the 1st example of the lower side of the absorbent article of the modification 3. It is a top view which shows the 2nd example of the lower side of the absorbent article of the modification 3. It is a top view which shows the 3rd example of the lower side of the absorbent article of the modification 3. It is a top view which shows one example of the lower side of the absorbent article of the modification 4. It is sectional drawing which shows an example of the absorbent article of the modification 5.

  Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings. However, the scope of the invention is not limited to the illustrated examples.

  In the following description, in a state where the absorbent article 1 in the present embodiment is unfolded, the side positioned on the abdomen side of the human body (wearer) when worn is the front side, the side positioned on the back side is the rear side, and the wearer The side in contact with the wearer is the upper side, the opposite side to the side in contact with the wearer is the lower side, and the direction orthogonal to both the front-rear direction and the vertical direction is the left-right direction.

  The absorbent article 1 is, for example, a urine picking pad for night or for a long time, and is used by being detachably attached to an outer body (not shown) attached to a human body such as a diaper, a diaper cover, and pants. It has become so.

The absorbent article 1 is formed so as to cover the wearer's crotch portion from the abdominal side to the back side when worn.
Specifically, one end (front end) of the absorbent article 1 forms the abdomen side 11 located on the wearer's abdomen when worn, and the other end (rear end) is worn when worn. A back side portion 12 located on the back side of the wearer is formed, and a crotch portion 13 located between the abdomen side portion 11 and the back side portion 12 is located on the crotch of the wearer.
The back side portion 12 is formed longer in the front-rear direction than the abdominal side portion 11 and longer in the left-right direction than the abdominal side portion 11 and the crotch portion 13. Thereby, the wearer's back side can be widely covered by the back side portion 12.
Further, both edge portions of the crotch portion 13 form two leg surrounding portions 14 located around the wearer's leg when worn from the abdominal side portion 11 to the back side portion 12. The leg surrounding portions 14 and 14 are each provided with a flat gather elastic member 141 such as rubber thread, and the flat gather elastic member 141 forms a flat gather. Thereby, since it fits elastically around a wearer's leg, while being able to suppress side leakage, it is easy to follow a wearer's body movement, and the absorptive article 1 becomes difficult to shift. Moreover, since the absorbent article 1 is naturally curved by the flat gather, a three-dimensional gather (described later) can be brought into close contact with the wearer's inseam.

  The absorbent article 1 has a liquid-permeable surface sheet 20 provided on the contact surface side (upper side) with the wearer at the time of wearing and an impermeability provided on the opposite side (lower side) from the contact surface with the wearer at the time of wearing. Absorber interposed between the top sheet 20 and the back sheet 30, the back sheet 40 made of a non-woven fabric provided on the outer side opposite to the contact surface with the wearer at the time of wearing 60 and gather sheets 50, 50 provided along the longitudinal direction (front-rear direction) of the absorbent article 1 on both side edges (left edge and right edge) in the width direction of the absorbent body 60 on the surface sheet 20 side. And a fixing member 70 that is provided on the ventral side portion 11 of the backsheet 40 and fixes the absorbent article 1 to the exterior body.

The top sheet 20 forms a surface that comes into contact with the wearer when the absorbent article 1 is mounted, and is provided on the upper side of the absorbent body 60. The top sheet 20 receives body fluid and transports it to the absorbent body 60. This is a sheet.
Examples of the liquid-permeable sheet include a net-like sheet material obtained by plain weaving of yarn such as nylon and polyethylene terephthalate, a film sheet material formed with a large number of through holes, a film sheet material such as polyethylene and polypropylene, and liquid permeability. A woven fabric and a non-woven fabric are suitable, and a nonwoven fabric is particularly suitable. Nonwoven fabrics can be made from synthetic fibers such as polyethylene and polypropylene, synthetic fibers such as polyester and polyamide, recycled fibers such as rayon and cupra, and natural fibers such as cotton. Spunlace method, spunbond method, thermal bond Processed by an appropriate processing method such as a method, a melt blown method, or a needle punch method can be used.

The back sheet 30 is a liquid-impermeable sheet that is provided on the lower side of the absorbent body 60 and plays a role of preventing exudation and leakage of the absorbent article 1 such as body fluid.
The liquid-impervious sheet is preferably a sheet material having at least water shielding properties such as polyethylene or polypropylene, and is preferably a sheet material having moisture permeability from the viewpoint of preventing stuffiness. As a sheet material having this water barrier property and moisture permeability, for example, a sheet is formed by melting and kneading an inorganic filler in an olefin resin such as polyethylene or polypropylene, and then stretched in a uniaxial or biaxial direction. The microporous sheet material obtained by is preferably used.
In addition, a laminated nonwoven fabric composed of a film layer having liquid impermeability and a nonwoven fabric layer having air permeability may be used. A laminated nonwoven fabric is a nonwoven fabric called a laminated nonwoven fabric obtained by laminating a nonwoven fabric on a polyethylene sheet or the like, for example, and is a nonwoven fabric having both liquid impermeability and air permeability.
The back sheet 30 may be moisture-impermeable as long as it is a liquid-impermeable sheet.

The back sheet 40 forms a surface opposite to the surface in contact with the wearer when the absorbent article 1 is mounted, and covers the surface (lower surface) opposite to the surface on the top sheet 20 side of the back sheet 30. It is the provided nonwoven fabric. Thereby, the back surface sheet 30 can be prevented from being damaged. Moreover, since cross-like is obtained, it is possible to give the appearance difficulty and to reduce the burden on the wearer's skin.
Examples of the backsheet 40 include a chemical bond nonwoven fabric, a thermal bond nonwoven fabric, a spunlace nonwoven fabric, a spunbond nonwoven fabric, a meltblown nonwoven fabric, a meltblown nonwoven fabric, a heat roll nonwoven fabric, an air-through nonwoven fabric, a liquid-impervious nonwoven fabric, or a combination thereof. However, it is not limited to these.

The gather sheets 50, 50 are respectively provided on both side edges along the longitudinal direction of the absorbent body 60 from the abdominal side portion 11 to the back side portion 12 on the surface sheet 20 side.
The outer portions of the gather sheets 50, 50 in the width direction (left-right direction) are fixed to the upper surfaces of the top sheet 20 and the back sheet 30 on the side of the absorber 60. Further, the inner portions of the gather sheets 50, 50 in the width direction are not fixed to the top sheet 20 and the back sheet 30, and a three-dimensional gather elastic member 501 such as thread rubber along the longitudinal direction (front-rear direction). A pair of three-dimensional gathers are formed that can stand up and deform in a stretchable manner in accordance with the wearer's body shape.

The absorbent body 60 is disposed at a position extending from the abdominal side portion 11 through the crotch portion 13 to the back side portion 12 and plays a role of absorbing water-like components such as urine as body fluid when the absorbent article 1 is used. It is.
Specifically, for example, as shown in FIGS. 4 to 7, the absorbent body 60 is made of an absorbent material such as cotton or pulp, a sheet-like base material such as fiber or film, and a high absorbent polymer such as a superabsorbent polymer. An absorbent core 62 formed in combination with a water absorbent resin is covered with a permeable crepe paper 61. Here, in FIG. 4, the outer shape of the crepe paper 61 that covers the absorber core 62 is represented by a virtual line (two-dot chain line).
Examples of the superabsorbent resin include carboxymethyl cellulose, polyacrylic acid and salts thereof, acrylate polymer cross-linked product, starch-acrylic acid graft copolymer, starch-acrylonitrile graft copolymer hydrolyzate, polyoxyethylene cross-linked product Products, crosslinked products of carboxymethyl cellulose, polyethylene oxide, polyacrylamide and other partially crosslinked polymers, or a copolymer of isobutylene and maleic acid are preferably used.
In addition, in the absorber 60, what covers the absorber core 62 is not limited to the crepe paper 61, and may be a liquid-permeable nonwoven fabric or a perforated sheet.

The absorbent core 62 has a two-layer structure including an upper layer absorbent body 621 disposed on the top sheet 20 side and a lower layer absorbent body 622 disposed on the back sheet 30 side.
The upper layer absorbent body 621 has a substantially rectangular shape in plan view that is long in the front-rear direction, and is disposed at the center of the upper surface of the lower layer absorbent body 622.
The lower layer absorbent body 622 is wider than the upper layer absorbent body 621, and the length of the back side portion 12 in the lower layer absorbent body 622 is longer than that of the ventral side portion 11 and the crotch portion 13 in the lower layer absorbent body 622. It is formed to become.

Here, in the absorbent article 1, the body fluid absorption rate of the upper layer absorbent body 621 is higher than that of the lower layer absorbent body 622 so that the body fluid can be quickly absorbed by the upper layer absorbent body 621 and held by the lower layer absorbent body 622. Also adjusted to be faster.
The absorption speed can be adjusted by the ratio of the absorbent material such as cotton and pulp and the superabsorbent resin such as superabsorbent polymer, the type of superabsorbent resin, etc. Specifically, for example, the upper layer The absorbent body 621 has a higher basis weight of the absorbent material than the lower layer absorbent body 622, and the ratio of the superabsorbent resin is lower than that of the lower layer absorbent body 622.
Thereby, since a bodily fluid can be kept away from skin quickly, a wearer's discomfort and the burden on skin can be reduced.

Further, the lower layer absorbent body 622 is provided with a pair of C-shaped first slits S <b> 1 and S <b> 1 having a gap extending toward the back side portion 12 from the crotch portion 13 to the back side portion 12 in the lower layer absorbent body 622. ing. That is, the lower layer absorbent body 622 is provided with the first slits S1 and S1 in a portion located near the base of the leg on the wearer's back side when worn.
When the wearer moves his / her leg during wearing, the crotch part 13 of the absorbent body 60 moves greatly. However, by providing the first slits S <b> 1 and S <b> 1, the absorbent body 60 can easily follow the movement of the body. Can be prevented from twisting or cracking inside the absorbent article 1. Therefore, it becomes difficult for liquid to leak, and since it becomes difficult to form a groove or a mountain on the contact surface with the wearer (the upper surface of the absorbent article 1) during wearing, body fluid can be absorbed efficiently and the burden on the skin can be reduced. .
Further, when the wearer lays legs or sleeps sideways at the time of wearing, the gap between the inseam of the wearer is narrowed and the absorbent article 1 is bent, but by providing the first slits S1 and S1, the first slits are provided. Since the absorbent article 1 bends at the positions of S1 and S1, the stiffness is reduced and the wearing feeling is improved.
Further, by providing the first slits S1 and S1, the body fluid absorbed by the crotch part 13 of the absorbent body 60 can be guided and diffused toward the back side part 12 of the absorbent body 60. The absorption speed of the body 60 can be improved.

The fixing member 70 is an adhesive tape that plays the role of adhering and fixing the absorbent article 1 to the exterior body, and the adhesive portion is exposed when the release paper is peeled off.
For example, as shown in FIG. 2, the fixing member 70 has a substantially rectangular shape, and the abdomen on the surface opposite to the surface that contacts the wearer when the absorbent article 1 is worn (the lower surface of the backsheet 40). The central portion of the side portion 11 is provided.
Here, it is preferable that the arrangement | positioning position of the fixing member 70 is the front side of the ventral | abdominal side part 11 from viewpoints, such as suppressing turning up of the absorbent article 1 and making it difficult to shift | deviate. The size of the fixing member 70 is such that the length (length in the front-rear direction) is 30 mm or more and the width (length in the left-right direction) is 40 mm or more from the viewpoint of firmly fixing the absorbent article 1 to the exterior body. It is preferable that In addition, since the pressure-sensitive adhesive tape does not have moisture permeability (breathability), particularly when a liquid-impervious sheet having moisture permeability is adopted as the back sheet 30, from the viewpoint of not hindering ventilation by the back sheet 30. The area of the fixing member 70 is preferably less than 20% of the area of the back sheet 40 (back sheet 30).
In addition, when the adhesive tape is formed by hot melt, the higher the basis weight of the hot melt (the more the amount of hot melt applied), the higher the adhesive strength, but if the adhesive strength is too high, a diaper was adopted as the outer package. when, because there is a fear that fluffed absorbent article 1 the diaper during replacement of the top sheet (surface sheet), the basis weight of the hot melt is preferably ^{20~60g / m 2, 40~50g / m} 2 is More preferred.
The fixing member 70 is not limited to the adhesive tape, and may be any member as long as it can fix the absorbent article 1 to the exterior body. For example, the fixing member 70 may be a hook-and-loop fastener, but is as soft as possible. Is more suitable for following the movement of the wearer's body, and is more preferable.

According to the absorbent article 1 of the present embodiment described above, the liquid-permeable topsheet 20, the liquid-impervious backsheet 30, and the absorption interposed between the topsheet 20 and the backsheet 30. A body 60, and is used by being attached to an exterior body to be worn on the human body. At the time of wearing, the abdominal part 11 located on the abdomen side of the wearer, the back side part 12 located on the back side, and the abdomen A crotch portion 13 located between the side portion 11 and the back side portion 12; and two leg circumference portions 14 located around the legs; and a surface opposite to the contact surface with the wearer when worn. (A lower surface of the absorbent article 1) is provided on the abdomen side portion 11 and includes a fixing member 70 for fixing the absorbent article 1 to the exterior body, and extends from the crotch portion 13 to the back side portion 12 of the absorbent body 60. A pair of C-shaped first slits S1 and S1 whose intervals are widened toward the side portion 12 It has been kicked.
That is, by providing the fixing member 70, it can suppress that the absorbent article 1 slip | deviates from an exterior body. Furthermore, by providing the first slits S1 and S1, the absorber 60 can easily follow the movement of the wearer's body, so that the absorber 60 can be prevented from being bent or cracked. Since the absorbent article 1 is bent at the positions of the slits S1 and S1, it is possible to reduce wrinkles. Therefore, it is possible to provide the absorbent article 1 that is difficult to leak and has a good wearing feeling.

Specifically, by providing the fixing member 70, the absorbent article 1 is difficult to be displaced from the exterior body even if the wearer turns over at the time of wearing or moves his / her position to change the position. It becomes difficult to do. Moreover, since the absorbent article 1 is a urine-absorbing pad for night or for a long time and is often used in a sleeping posture, particularly when sleeping on its back, Although the body pressure is applied and the back side is difficult to shift, it is preferable that the abdomen 11 is provided with the fixing member 70 so that the abdomen is also not shifted.
Moreover, even if the absorbent article 1 is fixed to the exterior body by the fixing member 70 by providing the first slits S1 and S1, the absorbent body 60 can easily follow the movement of the wearer's body. It can suppress that 60 is twisted or cracked inside the absorbent article 1. Therefore, it becomes difficult for liquid to leak, and since it becomes difficult to form a groove or a mountain on the contact surface with the wearer (the upper surface of the absorbent article 1) during wearing, body fluid can be absorbed efficiently and the burden on the skin can be reduced. .
Further, by providing the first slits S1 and S1, even if the wearer's crotch interval is narrowed by wearing the legs or sleeping sideways at the time of wearing, the first slits S1 and S1 Since the absorbent article 1 bends at the position, the stickiness is reduced and the wearing feeling is improved.
Further, by providing the first slits S1 and S1, the body fluid absorbed by the crotch part 13 of the absorbent body 60 can be guided and diffused toward the back side part 12 of the absorbent body 60. The absorption speed of the body 60 can be improved.

Moreover, according to the absorbent article 1 of this embodiment demonstrated above, the absorber 60 is arrange | positioned at the lower layer absorber 622 arrange | positioned at the back surface sheet 30 side, and the surface sheet 20 side, and is lower than the lower layer absorber 622. An upper core absorber 621 having a high absorption speed is provided, and an absorber core 62 is provided.
Therefore, the body fluid can be quickly absorbed by the upper layer absorbent body 621 and can be held by the lower layer absorbent body 622, and the body fluid can be quickly moved away from the skin, thereby reducing the discomfort of the wearer and the burden on the skin. be able to.

Moreover, according to the absorbent article 1 of this embodiment demonstrated above, the lower layer absorber 622 is formed wider than the upper layer absorber 621, and 1st slit S1, S1 is provided in the lower layer absorber 622. It has been.
That is, since the lower layer absorbent body 622 is formed wider than the upper layer absorbent body 621, the lower layer absorbent body 622 moves larger than the upper layer absorbent body 621 in accordance with the movement of the wearer's body. Since S1 and S1 are provided, it is possible to efficiently perform the curling and cracking of the absorbent body 60 by the first slits S1 and S1 and the bending of the absorbent article 1 at the positions of the first slits S1 and S1. it can.

Moreover, according to the absorbent article 1 of this embodiment demonstrated above, the gather sheets 50 and 50 for forming a pair of solid gathers standing at the width direction both-sides edge part of the absorber 60 by the side sheet 20 side, and solid The elastic members for gathers 501 and 501 and the elastic members for flat gathers 141 and 141 for forming flat gathers on both side edges of the crotch part 13 in the absorbent article 1 are provided.
That is, the absorbent article 1 includes a three-dimensional gather and a planar gather.
Therefore, by providing a three-dimensional gather, it is difficult to form a gap between the crotch part 13 and the wearer's crotch in the absorbent article 1, and thus liquid leakage can be suppressed.
Furthermore, by providing a flat gather, it is possible to fit around the leg of the wearer in a stretchable manner, and the absorbent article 1 is naturally curved by the flat gather, so that the three-dimensional gather can be closely attached to the inseam of the wearer. , Liquid leakage can be efficiently suppressed. Moreover, since it becomes easy to follow a wearer's body movement by providing a plane gather, the absorbent article 1 becomes difficult to shift | deviate from an exterior body.

Moreover, according to the absorbent article 1 of this embodiment demonstrated above, the back sheet 40 which consists of a nonwoven fabric which covers the surface (lower surface) on the opposite side to the surface at the side of the surface sheet 20 of the back sheet 30 is provided.
Therefore, the back sheet 30 can be prevented from being scratched and cross-like can be obtained, so that it can be difficult to be stuffy, and the burden on the wearer's skin can be reduced.

  The present invention is not limited to the above-described embodiment, and can be appropriately changed without departing from the gist thereof.

<Modification 1>
In the said embodiment, the shape of 1st slit S1, S1 is arbitrary if it is a square-shaped form from which the space | interval spreads toward the back side part 12 from the crotch part 13 in the absorber 60 to the back side part 12, For example, like the first slits S1A and S1A provided in the lower layer absorbent body 622 constituting the absorbent body 60 shown in FIG. 8, the first slits may have a constant interval.
Specifically, in the first slits S <b> 1 </ b> A and S <b> 1 </ b> A, the interval between the end portions (front end portions) on the crotch portion 13 side is constant, and the interval between the other portions widens toward the back side portion 12. Since the first slits S1A and S1A have a shape further along the base of the leg, the followability of the absorber 60 is improved.

<Modification 2>
In the above-described embodiment, the upper-layer absorbent body 621 is, for example, in the front-rear direction at the center in the left-right direction of the ventral side portion 11 of the absorbent body 60, like the upper-layer absorbent body 621B that constitutes the absorbent body 60 shown in FIG. You may provide the 2nd slit S2 provided along.
According to the modification 2, since the 2nd slit S2 is provided in the position of the width direction center of the absorber 60 along the longitudinal direction of the absorber 60 in the belly side part 11 in the absorber 60, absorption is carried out. Since the body fluid absorbed by the crotch part 13 in the body 60 can be guided and diffused toward the first slits S1 and S1, the absorption speed of the absorber 60 can be further improved.
Note that the content of Modification 2 may be combined with Modification 1.

<Modification 3>
In the above-described embodiment, the shape of the fixing member 70 is arbitrary as long as the fixing member 70 is provided at least on the ventral side portion 11 on the surface opposite to the contact surface with the wearer (the lower surface of the absorbent article 1). For example, it may be long in the front-rear direction as in the fixing member 70C provided in the absorbent article 1 shown in FIG. 10, or as in the fixing member 70D provided in the absorbent article 1 shown in FIG. And it may be long in the left-right direction, and may be T-shaped like a fixing member 70E provided in the absorbent article 1 shown in FIG.
According to the fixing member 70 </ b> C shown in FIG. 10, since it is long in the front-rear direction, the center shift of the absorbent article 1 can be suppressed, so that it is difficult to shift and liquid leakage can be suppressed.
Moreover, according to fixing member 70D shown in FIG. 11, since it is elongate in the left-right direction, since the turning of the both ends of the width direction of the absorbent article 1 can be suppressed, it is hard to slip | deviate and liquid leakage can be suppressed.
In addition, according to the fixing member 70E shown in FIG. 12, since the fixing member 70C and the fixing member 70D have an integrated shape, the center shift of the absorbent article 1 can be suppressed, and the absorbent article 1 of the absorbent article 1 can be suppressed. Since turning of both ends in the width direction can be suppressed, it is more difficult to shift and liquid leakage can be further suppressed.

<Modification 4>
In the said embodiment, the number of the fixing members 70 with which the absorbent article 1 is provided is at least the ventral part 11 in the surface (the lower surface of the absorbent article 1) opposite to the contact surface with the wearer when the fixing member 70 is worn. For example, a plurality of fixing members 70 may be provided as in the absorbent article 1F shown in FIG.
Specifically, the absorbent article 1F includes two fixing members 70 arranged in the left-right direction.
According to the absorbent article 1F, since the two fixing members 70 arranged in the left-right direction are provided, it is possible to suppress the turning of both ends in the width direction of the absorbent article 1F, and thus it is difficult to shift and suppress liquid leakage. it can.
In the fourth modification, the direction in which the fixing members 70 are arranged is not limited to the left-right direction and is arbitrary, and may be, for example, the front-rear direction. When the some fixing member 70 is located in a line with the front-back direction, the center shift | offset | difference of the absorbent article 1 can be suppressed.
Note that the content of Modification 4 may be combined with Modification 3.

<Modification 5>
In the said embodiment, the lower layer absorber 622 extends from the crotch part 13 to the back side part 12 in the absorber 60 like the lower layer absorber 622G which comprises the absorber 60 with which the absorbent article 1 shown in FIG. A pair of C-shaped first recesses R <b> 1, R <b> 1 may be provided in which the distance increases toward the back side portion 12. That is, the lower layer absorbent body 622 may be provided with first recesses R1 and R1 instead of the first slits S1 and S1.
As shown in FIG. 14, the first recess R <b> 1 may be a recess that is depressed upward, or may be a recess that is depressed downward.
Note that the content of Modification 5 may be combined with Modification 1 or Modification 2.
Further, in the second modification, the upper layer absorbent body 621B is provided in the upper or lower direction provided along the front-rear direction at the center in the left-right direction of the ventral side portion 11 of the absorbent body 60, instead of the second slit S2. You may provide the 2nd recessed part depressed toward the direction.

In addition, in the said embodiment and the modifications 1-5, 1st slit S1, S1A and 1st recessed part R1 may be provided in upper layer absorber 621,621B instead of lower layer absorber 622,622G.
Further, the second slit S2 and the second recess may be provided in the lower layer absorbers 622 and 622G instead of the upper layer absorber 621B.

Moreover, in the said embodiment and the modifications 1-5, the absorber core 62 does not need to be provided with the upper layer absorber 621, the single layer structure provided with only the lower layer absorber 622 may be sufficient, It may be a multilayer structure having more than one layer.
Moreover, in the said embodiment and the modifications 1-5, when the absorber core 62 is a multilayer structure, it is 1st slit S1, S1A, 2nd slit S2, 1st recessed part R1, and 2nd recessed part in several layers. At least any one of them may be provided.

  Moreover, in the said embodiment and the modifications 1-5, the absorbent articles 1 and 1F do not need to be provided with the back seat | sheet 40. FIG. In this case, since the fixing members 70, 70C, 70D, 70E are attached to the back sheet 30 made of the polymer sheet material, even if the fixing members 70, 70C, 70D, 70E are adhesive tapes, the absorbent article 1, When 1F is removed from the exterior body, the fixing members 70, 70C, 70D, and 70E hardly remain on the exterior body and can be peeled off cleanly.

Moreover, in the said embodiment and the modifications 1-5, the absorbent articles 1 and 1F are not restricted to the thing with which the plane gather was provided only in the crotch part 13, For example, it is in the crotch part 13 and the back side part 12. A flat gather may be provided. When the back side portion 12 is also provided with a flat gather, the absorbent articles 1 and 1F are easily bent in the width direction, and thus liquid leakage is less likely to occur.
Moreover, in the said embodiment and the modifications 1-5, the absorbent articles 1 and 1F may be provided with only one of a plane gather and a three-dimensional gather.

  Moreover, in the said embodiment and the modifications 1-5, the absorbent articles 1 and 1F are not restricted to the urine-absorbing pad for night or for a long time, The liquid-permeable surface sheet 20 and liquid imperviousness If it is an absorption pad provided with the back sheet 30 of this, and the absorber 60 interposed between the surface sheet 20 and the back sheet 30, it is arbitrary.

1, 1F Absorbent article 11 Abdominal side portion 12 Back side portion 13 Crotch portion 14 Leg circumference portion 20 Top sheet 30 Back sheet 40 Back sheet 50 Gather sheet 60 Absorber 62 Absorber core 70, 70C, 70D, 70E Fixing member 141 Flat gather elastic member 501 Three-dimensional gather elastic member 621, 621B Upper layer absorber 622, 622G Lower layer absorber R1 First recess (recess)
S1, S1A 1st slit (slit)
S2 Second slit

Claims (6)

A liquid-permeable top sheet, a liquid-impervious back sheet, and an absorbent body interposed between the top sheet and the back sheet, and attached to an exterior body to be worn on a human body Used, when worn, abdomen located on the abdomen side of the wearer, a dorsal side located on the dorsal side, a crotch part located between the abdomen and the dorsal side, and around the legs In an absorbent article comprising two leg surrounding parts located in
Provided at least on the abdominal side of the surface opposite to the contact surface with the wearer at the time of wearing, comprising a fixing member for fixing the absorbent article to the exterior body;
Toward the back side from the crotch portion in the absorbent body, a pair of slit bets shaped Ha distance toward the rear section widens is provided,
The pair of slits are provided so as to cut out end portions in the width direction of the absorber,
The absorber comprises an absorber core composed of a lower layer absorber disposed on the back sheet side and an upper layer absorber disposed on the top sheet side,
The pair of slits are provided in the lower layer absorber,
An absorbent article, wherein the upper absorbent body is provided with a second slit provided so as to cut out an end portion on the ventral side . The absorbent article according to claim 1,
The absorbent article , wherein the fixing member is provided at a position facing the second slit . In the absorptive article according to claim 1 or 2,
The absorbent article, wherein an absorption rate of the upper layer absorbent is faster than an absorption rate of the lower layer absorbent . In the absorptive article according to any one of claims 1 to 3,
A gather sheet for forming a pair of three-dimensional gathers standing at both side edges in the width direction of the absorbent body on the top sheet side and an elastic member for three-dimensional gather;
An elastic member for planar gathers for forming planar gathers on both side edges of the crotch part in the absorbent article;
An absorbent article comprising: In the absorptive article according to any one of claims 1 to 4,
The said lower layer absorber is formed wider than the said upper layer absorber, The absorbent article characterized by the above-mentioned . In the absorptive article according to any one of claims 1 to 5,
An absorptive article provided with a back sheet which consists of a nonwoven fabric which covers the field on the opposite side to the field by the side of the surface sheet of the back sheet.

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