JP4628120B2 - Absorbent articles - Google Patents

Description

  The present invention relates to an absorbent article such as a disposable diaper and an incontinence pad, and more particularly to an absorbent article that improves the absorption speed of bodily fluids and improves the feeling of wiping.

  Absorbent articles such as disposable diapers usually have at least a liquid-permeable surface material (top sheet or the like) disposed on the skin contact surface side and a liquid-impermeable back material (back sheet or the like) disposed on the back surface side. ) And the absorbent body interposed between these front and back materials, and the excrement is transferred to the absorbent body via the surface material and absorbed and held.

  In recent years, as such an absorbent article, for example, a non-woven fabric (hereinafter referred to as an “opening sheet”) provided with an opening on the surface for the purpose of promoting the transfer of excrement, particularly feces, to an absorbent body. Disposed absorbent articles have been proposed.

  However, such an opening sheet is not arranged for the purpose of improving the smoothness of the absorbent article, and has a liquidity because it is a hydrophilic sheet. In particular, moisture (such as urine and loose stool) Hereinafter, it is simply referred to as “body fluid”), which is not absorbed by the absorbent body and returns to the surface of the article body or retains water, thereby causing a problem of blurring. In addition, the dry feeling in this invention means that the absorption speed of a bodily fluid is quick, and has the dry touch feeling without the wet part of a sheet | seat retaining water.

  Therefore, if the opening sheet has water repellency, especially when the user has a fast urination speed or a large amount of urination, the body fluid is held in the opening sheet, and it becomes difficult to transfer to the absorbent body. For this reason, there has been a problem that body fluid spreads on the surface of the article main body, causing a liquid flow and causing side leakage.

  The present invention has been made in view of the above-described circumstances, and its object is to improve the absorption speed of excrement into the absorbent body, to improve the feeling of lightness, and to prevent fogging and side leakage. It is providing the absorbent article which prevented generation | occurrence | production.

The above-mentioned object of the present invention comprises an abdominal region and a back region by at least a hydrophilic nonwoven fabric disposed on the front surface side, a back sheet disposed on the back surface side, and an absorbent body interposed therebetween. An article main body is configured, and the article main body has a fastening tape connected to left and right end portions in the back side region, and a rectangular frontal tape attached to the back sheet in the abdomen side region. In the article, on the surface of the hydrophilic nonwoven fabric, in the width direction center of the abdomen side region of the article main body, and on the back side of the abdomen side edge of the absorbent body and the frontal tape only the position, a plurality of openings are provided, bonded without gaps for short opening sheet, wherein the hydrophilic nonwoven fabric than the length a length in the width direction in the width direction of the absorbent body Align is also the opening seat is achieved by providing an absorbent article characterized in that it consists of a material or film having water repellency.

Further, the object of the present invention is that the absorbent body is disposed at a position where the edge on the abdomen side of the absorbent body overlaps the frontal tape, and the abdomen side region and the back side of the article main body. A waist elastic elastic member is disposed along an edge in the width direction of the region where the absorber does not exist, and a three-dimensional gather standing on the surface side along both side edges in the longitudinal direction of the absorber. This is effectively achieved by providing an absorbent article characterized in that it is formed .

  Furthermore, the object of the present invention can be achieved more effectively by providing an absorbent article characterized in that the opening has a substantially inverted trapezoidal cross-sectional shape.

  According to the absorbent article according to the present invention, it is formed by disposing an opening sheet provided with a plurality of openings on the surface of the nonwoven fabric having hydrophilicity and at least approximately the center of the abdomen side region of the article body. The absorption speed of the body fluid in the vicinity of the urination port can be increased, and the body fluid is not retained on the surface of the article body. Therefore, it is possible to improve the smooth feeling near the urination opening and prevent the occurrence of fog. Moreover, even if the user's urination speed is fast or the amount of excretion is large, the occurrence of side leakage can be prevented. Moreover, the discomfort given from the appearance can be reduced especially at the time of disposal of an absorbent article.

  Moreover, since the opening sheet is made of a material having water repellency, the opening sheet is difficult to hold liquid, and the feeling of lightness can be further improved.

  Furthermore, since the cross-sectional shape of the opening provided in the opening sheet has a substantially inverted trapezoidal shape, the body fluid that has once passed through the opening sheet and has migrated to the hydrophilic nonwoven fabric is less likely to return, thereby further improving the feeling of wiping. And the occurrence of fog can be further prevented.

  Hereinafter, the absorbent article according to the present invention will be described in detail with reference to the drawings, taking as an example the case where the absorbent article is a disposable tape-type or pants-type diaper. In addition, this invention is not necessarily limited to the following embodiment, and it cannot be overemphasized that the structure can be changed suitably in the range which does not deviate from a claim.

  FIG. 1 is a partially broken plan view of a disposable tape-type diaper (hereinafter referred to as “the present diaper”) 10 which is a first embodiment of an absorbent article according to the present invention, viewed from the surface side. 2 is a perspective view when the diaper 10 is used, FIG. 3 is a cross-sectional view taken along the line AA in FIG. 1, and FIG. 4 is a cross-sectional view taken along the line BB in FIG.

  As illustrated, the present diaper 10 includes a top sheet 11 made of a hydrophilic non-woven fabric disposed on the front surface side (skin contact surface side) and a back sheet 12 disposed on the back surface side (non-skin contact surface side). The diaper main body 14 is constituted by the absorbent body 13 interposed between the two sheets 11 and 12, and the rectangular opening sheet 15 is formed on the surface of the top sheet 11 and in the width direction of the diaper main body 14. Is attached to the central portion extending in the longitudinal direction.

  The diaper main body 14 has a substantially hourglass shape in plan, and in the longitudinal direction of both side edges of the absorbent body 13, a gather sheet 16 provided on the surface side, and an elastic elastic member disposed along the inner edge thereof The three-dimensional gather 18 standing on the surface side is formed by 17g. Moreover, the side flap part 10SF which does not interpose the absorber 13 is formed by the back sheet 12 portion extending to the side of the side edge of the absorber 13 and the outer sheet portion of the gather sheet 16, and between these Further, a plurality of leg elastic elastic members 17l are arranged in the longitudinal direction along the diaper main body 14, whereby a pleated flat gather 19 is formed in the side flap portion 10SF.

  Further, a plurality of waist elastic elastic members 17w are disposed in the width direction of the abdomen side region 10FP and the back side region 10BP of the diaper 10, thereby forming an end flap portion 10EF. Moreover, the fastening tape 21 provided with the male material 20 is connected with the left-right overhang | projection part in the back side area | region 10BP of the diaper main body 14, ie, the width direction edge part of side panel part 10SP. Furthermore, a rectangular frontal tape 23 having a female material 22 on the surface is attached to the back side abdomen side region 10FP, that is, the back sheet 12 side of the abdomen side region 10FP, as shown in FIG. The diaper 10 is worn when the male material 20 of the fastening tape 21 is mechanically engaged with the female material 22 of the frontal tape 23. In addition, the surface of the frontal tape 23 is provided with a design including a fastening position mark indicating the fastening position of the fastening tape 21 and a pattern such as an animal preferred by an infant, if necessary.

  In the diaper 10, a waterproof film 24 is disposed between the back sheet 12 and the absorber 13, but the waterproof film 24 is disposed between the top sheet 11 and the absorber 13. As in the case of the second sheet, it is provided as necessary (this diaper 10 is not provided with this second sheet).

  The constituent material of the top sheet 11 is not particularly limited as long as it is a highly hydrophilic nonwoven fabric, and a hydrophilic material such as a nonporous or perforated nonwoven fabric or a porous plastic sheet is preferably used. Examples of the material fibers constituting such a nonwoven fabric include synthetic fibers such as polyethylene or polypropylene, synthetic fibers such as polyester and amide, recycled fibers such as rayon and cupra, and natural fibers such as cotton. it can. Also, a core-sheath fiber, a side-by-side fiber, a split fiber, or the like having a fiber having a high melting point as a core and a fiber having a low melting point as a sheath can be used effectively. As for the processing method, a nonwoven fabric obtained by an appropriate processing method such as a spunlace method, a spunbond method, a thermal bond method, a melt blown method, or a needle punch method can be used. Of 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, but the top sheet 11 in the present diaper 10 is not necessarily limited to these. It is not limited to materials or processing methods. However, in the case of the present diaper 10, since the left and right sides of the top sheet 11 directly touch the user's skin as shown in the figure, it is more preferable to use a nonwoven fabric that is flexible and has a smooth surface from the viewpoint of the touch feeling. .

  For the back sheet 12 and the waterproof film 24, a liquid-impermeable material made of a plastic sheet such as polyethylene or polypropylene, a nonwoven fabric, or the like, or a material equivalent thereto is preferably used. Other examples include meltblown or film materials made of polypropylene or polyolefin copolymers. Examples of the copolymer include ethylene vinyl acetate, ethylene methyl acetate, ethylene ethyl acrylate, polyvinyl chloride, and the like. Further, a single spunbonded layer made of each of the above materials, two layers made of spunbonded and a meltblown material, and the like can be given. By using such a spunbonded material, it is possible to give the back sheet 12 a cloth-like feeling. In addition to the liquid-impermeable material, a sheet material having air permeability and moisture permeability is applied to the material of the back sheet 12 from the viewpoint of preventing stuffiness. As such a sheet material, a microporous sheet obtained by forming a sheet by melt-kneading an inorganic filler in an olefin resin such as polyethylene or polypropylene and then stretching in a uniaxial or biaxial direction is preferable. Used for. Thus, the sheet material having liquid impermeability, air permeability, and moisture permeability is particularly preferably used for the waterproof film 24.

  The absorbent body 13 may be anything that can absorb and retain excreta, particularly bodily fluids. Usually, a fluffy pulp mixed with absorbent polymer powder is preferably used in terms of absorption function and production cost. It is done. Examples of the pulp include cellulose fibers such as chemical pulp obtained from wood and molten pulp, and artificial cellulose fibers such as rayon and acetate. It is preferably used in terms of manufacturing cost.

  In addition, the absorbent body 13 in the diaper 10 is generally water-absorbent paper 25 such as crepe paper for the purpose of maintaining the shape and quickly diffusing excrement (particularly body fluid) and preventing the excrement once absorbed. However, depending on the purpose and application of the diaper itself, the water absorbent paper 25 can be omitted.

  Moreover, although the absorber 13 in this diaper 10 is formed in the pseudo hourglass shape like the diaper main body 14 in a planar shape, the design can be appropriately changed to an arbitrary shape such as an oval shape or a saddle shape. Furthermore, a stool pocket (not shown) may be formed by providing a concave opening or the like in the buttocks contact portion of the absorbent body 13 for the purpose of storing and holding excrement (especially solid content of stool). good.

  As shown in the figure, the present diaper 10 is a top sheet in which a rectangular opening sheet 15 is bonded to the surface of a top sheet 11 made of a hydrophilic nonwoven fabric at the center in the width direction of the diaper main body 14 so as to extend in the longitudinal direction. 26 is formed and configured.

  When the diaper is worn, the place where the rash occurs is mainly in the vicinity of the urination port where the body fluid flows and the skin is most easily wet with excrement. In the present diaper 10, the opening sheet 15 extends in the longitudinal direction in the region in which the body fluid flows including the vicinity of the urination port, that is, the central portion in the width direction of the diaper main body 14. The body fluid absorption speed in the flowing area can be increased. Therefore, the body fluid does not retain water, it is possible to improve the sensation of the vicinity of the urination port, the occurrence of fogging can be reduced, and the occurrence of side leakage of body fluid can be further reduced.

  The constituent material of the opening sheet 15 is not particularly limited as long as it has less surface friction, has a soft feeling, and can be used as a surface material. For example, the nonwoven sheet, film, and further nonwoven fabric and film Those formed by laminating are preferably used. In addition, when the opening sheet 15 is a nonwoven fabric, it is preferable that it is water-repellent, and it becomes difficult to hold | maintain a liquid by this and can improve a dry feeling. When the opening sheet 15 is a non-woven fabric having high hydrophilicity, the bodily fluid diffuses to the surface of the diaper body 14 even if the solid content of excrement is transferred to the absorbent body 13.

  A plurality of fine openings (mesh) 27 are formed on the entire surface of the opening sheet 15 by various methods known in the art such as pin embossing, heat embossing, and air absorption embossing. In addition, if the constituent material of the opening sheet 15 is a nonwoven fabric alone, pin embossing is preferable, and in the case of a film or a laminate of a nonwoven fabric and a film, heat embossing or air absorption embossing is preferable.

  As shown in FIG. 3, the opening 27 preferably has a substantially inverted trapezoidal cross-sectional shape. This makes it difficult for the body fluid that has once passed through the opening sheet 15 and transferred to the top sheet 11 to return. The substantially inverted trapezoidal shape refers to a shape in which the diameter of the opening 27 in the planar shape is smaller on the back surface side than the front surface side of the opening sheet 15.

  The opening 27 has a surface-side diameter of 1.0 to 5.0 mm and a height of 0.1 to 5.0 mm. The planar shape of the opening 27 is preferably a circular shape or an elliptical shape as shown in the figure, but is not particularly limited, and can be appropriately changed to a known various shape such as a star shape. .

  Since the opening sheet 15 configured as described above can increase the absorption speed, body fluid can be quickly transferred to the absorber 13, and excrement, particularly body fluid can be retained on the opening sheet 15. In addition, since the excrement that has been absorbed once is difficult to reverse, it is possible to improve the smoothness of the diaper 10 and to prevent the occurrence of burrs and side leakage.

  Further, in the present diaper 10, even if the body fluid flows out to the portion of the top sheet 26 where the opening sheet 15 is not disposed, the body fluid is absorbed from both sides of the top sheet 11 and transferred to the absorber 13. . Therefore, it is possible to prevent body fluid from leaking out from the diaper main body 14, that is, side leakage.

  In addition, like this diaper 10, when opening sheet 15 is intermittently bonded to the surface of top sheet 11 to form surface sheet 26 (when opening sheet 15 is not bonded to substantially the entire surface of top sheet 11), opening sheet It is preferable that the ratio area of the sheet 15 is 25% or more because the absorption speed of the body fluid in the vicinity of the urination port can be maintained, and the feeling can be kept light.

  Thus, by forming the surface sheet 26 by bonding the opening sheet 15 to the surface of the top sheet 11, the smoothness of the diaper 10 can be improved. That is, the present diaper 10 using the top sheet 26 formed by bonding the opening sheet 15 to the surface of the top sheet 11 and the top sheet 26 formed only by the top sheet 11 (the opening sheet 15 is not bonded). A paper diaper is used, and 50 cc of artificial urine is injected into each of these diapers. When 5 minutes have passed after injection and 30 minutes have passed, a load of 1 kg per 10 cm square is applied to the surface of each diaper for 1 minute, and the amount of artificial urine returned (returned) from the inside of the diaper is measured and exposed. In the case of the present diaper 10, the amount of artificial urine reverting was 0.058 cc after 5 minutes and 0.033 cc after 30 minutes. On the other hand, in the case of a paper diaper having no opening sheet 15 on the surface, it was 0.065 cc after 5 minutes and 0.049 cc after 30 minutes. As a result, the present diaper 10 can improve the sensation of 50.8 minutes after urination by 10.8% compared to the paper diaper without the opening sheet 15, and the diaper 10 can feel the sensation of 30 minutes after urination. It was found that it can be improved by 7%.

  Further, the top sheet 11 and the opening sheet 15 can be bonded by various bonding methods known in the art, such as hot melt bonding, heat sealing bonding, or ultrasonic bonding, but are bonded by ultrasonic bonding. Is most preferred.

  In addition, when bonding by hot-melt adhesion, in order to prevent the hot-melt adhesive from seeping out from the opening 27, it is preferable to apply the hot-melt adhesive to the opening sheet 15 side. The coating method is preferably slot coating in which the coating part adheres. However, if the basis weight of the slot coating increases, the water immersion ability of the top sheet 11 which is a hydrophilic nonwoven fabric decreases, and body fluid is applied to the surface of the diaper main body 14. Becomes easier to flow.

  Further, in the case of bonding by heat seal bonding, the sheets 11 and 15 are fused at the bonding portion between the top sheet 11 and the opening sheet 15 (hereinafter simply referred to as “bonding portion”). Therefore, the bonded portion becomes hard and cannot pass the body fluid, so the bonded area should be as small as possible. However, if the bonding area is small, the bonding strength is low, and thus the opening sheet 15 may be peeled off from the top sheet 11 during use.

  Furthermore, when bonded by ultrasonic bonding, the bonded portion becomes somewhat hard, but since it does not become harder than by the heat seal bonding described above, body fluid can be transmitted even at the bonded portion. Therefore, since the bonding area can be increased, the bonding strength can be increased, and the opening sheet 15 is not peeled off from the top sheet 11 during use.

  Here, the adhesive strength is 50 g / in the case where the surface sheet 26 is cut to a width of 40 mm to prepare a sample, and the strength at which the top sheet 11 and the opening sheet 15 of the sample peel at a peeling speed of 500 mm / sec is measured. If it is 40 mm width or more, there is no problem in actual use of the present diaper 10.

  The planar shape of the opening sheet 15 is not limited to a rectangular shape as illustrated, and can be appropriately changed to an elliptical shape.

  As the gather sheet 16 for forming the three-dimensional gather 18, a water-repellent nonwoven fabric, a plastic film, or the like is effective in preventing leakage of excrement. Accordingly, a material having such characteristics or a material imparted with these characteristics by processing is selected as this material.

  Usually, thread-like elastic rubber is applied to the elastic elastic members 17g, 17l, and 17w. As such a rubber material, materials such as styrene rubber, olefin rubber, urethane rubber, ester rubber, polyurethane, polyethylene, polystyrene, styrene butadiene, silicone, and polyester can be used. Note that the material for forming the elastic members 17g, 17l, and 17w is not necessarily limited to the above material, and various known materials having elasticity such as a thermoplastic elastomer, a plastic sheet, and a rubber sheet may be used. it can. It is particularly preferable to use a thermoplastic elastomer, and examples of the thermoplastic elastomer include styrene elastomers, olefin elastomers, polybutadiene elastomers, polyester elastomers, polyamide elastomers, urethane elastomers, vinyl chloride elastomers, and fluorine elastomers. Various known materials such as ionomer resins and silicone resins can be used. These thermoplastic elastomers may be used alone or in combination of two or more. Among these, it is preferable to use a styrene elastomer or an olefin elastomer.

  According to the present diaper 10 configured as described above, the absorption speed can be increased, so that excrement, particularly urine excreted from the urination opening, passes through the opening 27 of the opening sheet 15 and is a hydrophilic nonwoven fabric. It is immersed in the top sheet 11, instantaneously moves to the absorber 13 through the water absorbent paper 25, and is retained. Moreover, the opening sheet 15 extends in the longitudinal direction and is bonded to the center of the diaper main body 14 in the width direction on the surface of the top sheet 11. Thereby, even immediately after urination, the surface of the present diaper 10, particularly the surface of the urination opening and the region where the body fluid flows are likely to be fogged.

  Moreover, since the cross-sectional shape of the opening of the opening sheet 15 is a substantially inverted trapezoidal shape, it is possible to prevent the bodily fluid that has once passed through the opening sheet 15 from reversing, and to further improve the sensation.

  In addition, since it is difficult for the body fluid to retain water on the top sheet 26, an effect of reducing discomfort given to the appearance can be expected particularly when the diaper after use is discarded.

  Furthermore, since the surface sheet 26 in the region where the body fluid flows is composed of the opening sheet 15 and the top sheet 11 in a double manner, the strength of this region increases, and this also has the advantage that the operability is stabilized. .

  As mentioned above, although the content of the present invention was explained based on one embodiment, the composition of the present invention can be changed into various things as follows.

  FIG. 5 is a partially broken plan view of a disposable pants-type diaper (hereinafter referred to as “the present diaper 10 ′”) according to the second embodiment of the present invention as viewed from above, and FIG. Fig. 7 is a perspective view of the diaper 10 'shown in Fig. 5 in use, and Fig. 7 is a cross-sectional view taken along the line C-C in Fig. 5, and is a cross-sectional view in the width direction of the diaper 10 according to the first embodiment described above. It is shown according to. The basic configuration of the present diaper 10 ′ is substantially the same as that of the diaper 10 except for the configuration of the topsheet 26. Therefore, the corresponding components will be described below with the same reference numerals.

  As shown in the figure, the present diaper 10 ′ is formed by forming a surface sheet 26 by extending a longitudinal opening of the diaper main body 14 and bonding a rectangular opening sheet 15 to substantially the entire surface of the top sheet 11. ing.

  Since the absorption speed can be increased by the diaper 10 ′ thus formed, excrement, particularly urine excreted from the urination opening, passes through the opening 27 of the opening sheet 15 and is a top which is a hydrophilic nonwoven fabric. It is immersed in the sheet 11, instantaneously moves to the absorbent body 13 through the water absorbent paper 25, and is held. Therefore, even immediately after urination, the surface of the present diaper 10 'is dry, and the occurrence of fog can be prevented.

  FIG. 8 is a plan view of a disposable tape-type diaper (hereinafter referred to as “the present diaper 10 ″”) according to the third embodiment of the present invention as viewed from the front side, and FIG. 9 is a plan view of FIG. It is DD sectional drawing, It shows according to sectional drawing (FIG. 3) in the longitudinal direction of the diaper 10 which concerns on 1st Embodiment mentioned above. The basic configuration of the present diaper 10 '' is substantially the same as that of the diaper 10 except for the configuration of the topsheet 26, like the diaper 10 'described above. Are described with the same reference numerals.

  That is, as shown in the figure, the present diaper 10 ″ is on the surface of the top sheet 11 and only at the substantially central portion in the abdomen side region 10FP of the diaper main body 14, specifically at the site where the user's urination port is located. Only the rectangular opening sheet 15 is bonded to form a top sheet 26. The opening sheet in the present diaper 10 '' is not limited to the rectangular shape as shown in the drawing, but can be appropriately changed in design to various known shapes such as a circular shape, an elliptical shape, and a star shape. .

  According to the present diaper 10 ″ formed in this way, the size of the opening sheet 15 can be as small as the size of the portion where the user's urination port is located, so that the manufacturing cost can be further reduced. There is an advantage that you can.

  Also, in the present diaper 10 ″, the opening sheet 15 is disposed at the position where the user's urination port is located, so that the water absorption speed near the urination port can be increased and the body fluid is placed on the top sheet 26. There is almost no water retention. Accordingly, it is possible to improve the smooth feeling of the present diaper 10 ″, and it is possible to obtain the effect of reducing the unpleasant feeling given from the appearance, particularly when the diaper is discarded.

  The contents of the present invention have been described above for disposable disposable diapers for infants or adults. However, the present invention is not limited to such disposable diapers, and is well known in the art, such as incontinence pads and training pants for infants. It can be applied to various absorbent articles.

It is an expansion | deployment top view of the disposable tape-type diaper which concerns on 1st Embodiment of this invention. It is a perspective view at the time of use of the diaper shown in FIG. It is an AA cross-sectional arrow view of FIG. It is a BB cross-sectional arrow view of FIG. It is an expansion | deployment top view of the disposable underpants type diaper which concerns on 2nd Embodiment of this invention. It is a perspective view at the time of use of the diaper shown in FIG. It is CC sectional view taken on the line of FIG. It is an expansion | deployment top view of the disposable tape-type diaper which concerns on 3rd Embodiment of this invention. FIG. 9 is a sectional view taken along the line DD in FIG. 8.

Explanation of symbols

10, 10 ', 10 "disposable diaper (absorbent article)
11 Top sheet 12 Back sheet 13 Absorbent body 14 Article body 15 Opening sheet 24 Waterproof film 25 Absorbent paper 26 Top sheet 27 Opening 10FP Abdomen side region

Claims (3)

An article main body composed of an abdomen side region and a back side region is constituted by at least the hydrophilic nonwoven fabric disposed on the front surface side, the back sheet disposed on the back surface side, and the absorbent body interposed therebetween, In the absorbent main article, the fastening tape is connected to the left and right end portions in the back region, and the rectangular frontal tape is attached to the back sheet in the abdomen region.
On the surface of the hydrophilic nonwoven fabric, in the center in the width direction of the abdomen side region of the article main body, and only on the back side of the abdomen side edge of the absorbent body and the frontal tape. A plurality of openings are provided, and an opening sheet whose length in the width direction is shorter than the length in the width direction of the absorbent body is bonded to the hydrophilic nonwoven fabric without a gap ,
Moreover, the said opening sheet consists of a material or film which has water repellency, The absorbent article characterized by the above-mentioned. The absorbent body is disposed at a position where the edge on the abdomen side of the absorbent body overlaps the frontal tape,
A waist elastic elastic member is disposed along an edge of the abdomen-side region and back-side region of the article main body along the edge where the absorber does not exist, and both sides of the absorber in the longitudinal direction. The absorbent article according to claim 1, wherein a three-dimensional gather standing on the surface side is formed along the edge. The absorbent article according to claim 1 or 2, wherein the opening has a substantially inverted trapezoidal cross-sectional shape.

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