JP7830063B2 - Absorbent articles and packaging for absorbent articles - Google Patents

Description

This invention relates to absorbent articles and packaging for absorbent articles.

Absorbent articles that absorb excretions such as urine include sanitary napkins and light incontinence pads. For example, Patent Document 1 describes providing an adhesive on the non-use side of an absorbent article equipped with an absorbent material to prevent the absorbent article from shifting position.

Japanese Patent Publication No. 2003-10245

However, when wearing absorbent materials, excessive compression or twisting forces may be applied to the absorbent material due to the wearer's body movements, potentially causing the adhesives on the non-use sides of the absorbent material to stick together. In particular, when force or twisting is applied to areas of high rigidity within the absorbent material, it can easily develop creases or the adhesives on the non-use sides may remain stuck together. This makes it difficult to return the absorbent material to its original shape, potentially causing discomfort to the wearer or even leading to leakage of waste outside the absorbent material.

Therefore, the present invention has been made in view of the above-mentioned problems, and aims to improve the conformability of absorbent articles to clothing during wear, and to make it easier to restore the absorbent article to its original shape even if it has been deformed.

The main invention for achieving the above objective is:
It has a front-to-back direction, a width direction, and a thickness direction,
An absorbent material that absorbs liquids, and an absorbent article having an adhesive portion on the non-skin side,
The absorber comprises a high-rigidity region and a low-rigidity region with lower rigidity than the high-rigidity region.
The high-rigidity region is located inside the outermost edge of the absorber in the front-rear direction and inside the outermost edge of the absorber in the width direction.
The low-rigidity region is located between the front-to-back ends of the high-rigidity region and the outermost end of the absorber in the front-to-back direction, and between the widthwise ends of the high-rigidity region and the outermost end of the absorber in the widthwise direction.
The adhesive portion has a first adhesive region and a second adhesive region.
The first adhesive region has a 11th adhesive portion on the front side of the center in the front-rear direction, and a 12th adhesive portion on the rear side of the center in the front-rear direction.
The 11th adhesive portion has one side 11th adhesive portion provided on one side of the center in the width direction and the other side 11th adhesive portion provided on the other side of the center in the width direction.
The 12th adhesive portion has one side 12th adhesive portion provided on one side of the center in the width direction and the other side 12th adhesive portion provided on the other side of the center in the width direction.
The first 11 adhesive portion on one side and the first 12 adhesive portion on the other side overlap in the width direction and are continuous in the front-to-back direction, and the first 11 adhesive portion on the other side and the first 12 adhesive portion on the other side overlap in the width direction and are continuous in the front-to-back direction.
The aforementioned second adhesive region is
A 21st adhesive portion is provided in front of the center in the front-rear direction and on one side of the center in the width direction,
A 23 adhesive portion is provided on the rear side of the center in the front-rear direction and on one side of the center in the width direction,
Equipped with,
The 21st adhesive portion and the 23rd adhesive portion have overlapping portions in the width direction and are spaced apart from each other in the front-rear direction.
When the absorbent article is viewed in plan view in the thickness direction,
The 11th adhesive portion has a portion that overlaps with the high-rigidity region on the front side of the center in the front-rear direction and on both sides in the width direction.
The 21st adhesive portion has a portion that overlaps with the low-rigidity region on one side of the center in the width direction, and the 23rd adhesive portion has a portion that overlaps with the low-rigidity region on one side of the center in the width direction,
In the portion overlapping with the aforementioned high-rigidity region, a non-adhesive portion is provided where the adhesive portion is not provided.
The non-adhesive portion is sandwiched from both sides in the width direction by the portion where the one side 11th adhesive portion and the one side 12th adhesive portion overlap with the high-rigidity region, and by the portion where the other side 11th adhesive portion and the other side 12th adhesive portion overlap with the high-rigidity region.
On one side in the width direction, the side ends of the 21st adhesive portion and the 23rd adhesive portion on that side in the width direction are provided outside the side end on that side in the width direction of the portion of the 11th adhesive portion that overlaps with the high-rigidity region.
In the contact area that contacts the crotch area of the wearer, at the center in the front-to-back direction, the adhesive portion is not provided outside the width direction of the 11th adhesive portion and the 12th adhesive portion.
The absorbent article is characterized in that, at the center of the contact area in the front-rear direction, there is a gap between the side end of the 11th adhesive portion and the 12th adhesive portion on one side in the width direction and the side end of the absorbent article in the width direction, and there is a gap between the side end of the 11th adhesive portion and the 12th adhesive portion on the other side in the width direction and the side end of the absorbent article in the width direction.
Other features of the present invention will be made clearer by description in this specification and the accompanying drawings.

According to the present invention, the conformability of absorbent articles to clothing during wear is improved, and even if the absorbent article deforms, it is easier to restore it to its original shape.

This is a plan view of the light incontinence pad 1 in its extended state, as seen from the skin side. This is a plan view of pad 1 in its extended state, seen from the non-skin side. This is a schematic cross-sectional view of pad 1 at point C-C in Figure 1, taken along the line A-A. This is a schematic diagram illustrating the state of pad 1 when worn. Figure 2 is a plan view showing the high-rigidity region H and the low-rigidity region L superimposed in the thickness direction. This figure shows a magnified view of the front side of pad 1 in Figure 5. This is a diagram illustrating the unfolded packaging 100. This is a plan view of a modified example of the first embodiment of pad 1A, as seen from the non-skin side. This is a plan view of a modified example of the first embodiment of pad 1B, as seen from the non-skin side.

The following matters become clear from this specification and the accompanying drawings:
An absorbent article having a front-to-back direction, a width direction, and a thickness direction, and having an absorbent body that absorbs liquid, and an adhesive portion on the non-skin side, wherein the absorbent body comprises a high-rigidity region and a low-rigidity region with lower rigidity than the high-rigidity region, the adhesive portion comprises a first adhesive region and a second adhesive region, the first adhesive region comprises an eleventh adhesive portion located in front of the center in the front-to-back direction, the second adhesive region comprises a twenty-first adhesive portion located in front of the center in the front-to-back direction and on one side of the center in the width direction, and when the absorbent article is viewed in plan in the thickness direction, the eleventh adhesive portion is the high-rigidity region The absorbent article is characterized in that it has a portion that overlaps with the resistant region, the 21st adhesive portion has a portion that overlaps with the low rigidity region, and a non-adhesive portion is provided in the portion that overlaps with the high rigidity region where the adhesive portion is not provided, the non-adhesive portion is sandwiched from both sides in the width direction in the portion that overlaps with the 11th adhesive portion and the high rigidity region, and on one side in the width direction, the side end of the 21st adhesive portion on that side in the width direction is provided outside the side end of the portion of the 11th adhesive portion that overlaps with the high rigidity region on that side in the width direction.

Such an absorbent article, by having a first adhesive region with an eleventh adhesive portion and a second adhesive region with a twenty-first adhesive portion, improves the conformability of the absorbent article to clothing. Furthermore, even if the absorbent article deforms during wear, the non-adhesive portion provided in the high-rigidity region reduces the risk of the eleventh adhesive portions adhering to each other. If the eleventh adhesive portions do adhere, the twenty-first adhesive portion attached to the clothing makes it easier to separate them, and also makes it easier to restore the absorbent article to its original shape. Therefore, discomfort and localized skin irritation caused by deformation of the absorbent article during wear are reduced.

In such an absorbent article, it is preferable that the non-adhesive portion is located in the central part in the width direction and is continuous from the front end to the rear end of the first adhesive region.

Such absorbent materials facilitate deformation that causes the central part of the absorbent material to protrude towards the skin when worn. Furthermore, the non-adhesive portion reduces the risk of the first adhesive areas adhering to each other, and even if adhesion occurs, it becomes easier to separate the adhesive areas. This reduces discomfort for the wearer during wear and minimizes localized skin irritation caused by deformation of the absorbent material.

In such an absorbent article, it is preferable that the length of the 21st adhesive portion is longer in the front-to-back direction than in the width direction.

With such an absorbent article, it becomes easier to provide a 21st adhesive portion near the front end of the absorbent article, making it easier to make the absorbent article conform to clothing while reducing the risk of the second adhesive regions adhering to each other in the width direction.

In such an absorbent article, the front end of the 11th adhesive portion is preferably located in front of the front end of the high-rigidity region, and when the absorbent article is viewed in plan in the thickness direction, the 11th adhesive portion preferably overlaps with the low-rigidity region in the area in front of the front end of the high-rigidity region.

With such an absorbent article, even when the 11th adhesive portions in the high-rigidity region adhere to each other, the 11th adhesive portion that overlaps with the low-rigidity region in front of the front end of the high-rigidity region makes it easier to pull the high-rigidity region forward as the clothing deforms. This makes it easier to separate the adhesion between the 11th adhesive portions in the high-rigidity region, making it easier to return the absorbent article to its original shape, thus reducing discomfort to the wearer caused by the deformation of the absorbent article.

In such an absorbent article, the rear end of the 21st adhesive portion is preferably located behind the front end of the high-rigidity region, and when the absorbent article is viewed in plan in the thickness direction, the 21st adhesive portion preferably overlaps with the high-rigidity region behind the front end of the high-rigidity region.

With such an absorbent article, even when the first adhesive areas in the high-rigidity region adhere to each other, the 21st adhesive portion, which overlaps with the high-rigidity region from the rear of the front end of the high-rigidity region, makes it easier to pull the high-rigidity region forward as the clothing deforms. This makes it easier to separate the adhesion between the 11th adhesive portions in the high-rigidity region, making it easier to return the absorbent article to its original shape, thus reducing discomfort to the wearer caused by the deformation of the absorbent article.

In such an absorbent article, it is preferable that the 21st adhesive portion is provided at the longest portion of the absorbent article, where its width is longest, located on the front side of the center in the front-to-back direction.

With such an absorbent article, the 21st adhesive portion can secure the longest part of the absorbent article in the width direction to the clothing. This reduces the risk of the absorbent article shifting or deforming during wear, and thus reduces discomfort to the wearer.

In such an absorbent article, it is preferable that, at the narrowest portion where the length in the width direction of the absorbent article is shortest, there is a gap between the one side edge of the adhesive portion in the width direction and the one side edge of the absorbent article in the width direction.

Such absorbent articles facilitate deformation during wear, causing the central and side edges of the article to protrude towards the skin, and the portion between the central and side edges to protrude towards the non-skin side, making it easier to achieve a better fit to the wearer's body.

In such an absorbent article, it is preferable that the front end of the 21st adhesive portion is located further forward than the front end of the 11th adhesive portion.

With such an absorbent article, it becomes easier to maintain the 21st adhesive portion fixed to the clothing regardless of whether or not the high-rigidity region deforms. Therefore, when the absorbent article is provided with adhesive portions not only on the 11th and 21st adhesive portions but also on the other side in the width direction, while maintaining its fixation to the clothing, the risk of the 2nd adhesive region adhering to other adhesive portions is reduced.

Preferably, such an absorbent article has a compressed portion compressed in the thickness direction, and the compressed portion includes front and rear compressed portions along the front-rear direction, with at least a portion of the second adhesive region located outside the front and rear compressed portions in the width direction.

With such an absorbent article, the front and rear compression sections facilitate deformation of the absorbent article into the desired shape, making it easier to fit to the wearer's body. Furthermore, the second adhesive region, located outside the front and rear compression sections in the width direction, allows the absorbent article to easily return to its original shape as the garment returns to its original form.

Preferably, such an absorbent article has a compressed portion compressed in the thickness direction, the compressed portion comprises front and rear compressed portions aligned in the front-rear direction, the front end of the 11th adhesive portion is located in front of the front and rear compressed portions, and the front end of the 21st adhesive portion is located in front of the front and rear compressed portions.

With such an absorbent article, the front and rear compression sections encourage the absorbent article to deform into the desired shape, allowing it to fit the wearer's body. Furthermore, by providing at least a portion of the 11th and 21st adhesive sections in front of the front and rear compression sections, the absorbent article's deformation is easily restored as the garment returns to its original state, thus reducing discomfort during wear.

Preferably, such an absorbent article has a compressed portion compressed in the thickness direction, and the compressed portion includes a width-compressed portion along the width direction. When the absorbent article is viewed in plan in the thickness direction, the width-compressed portion overlaps with the high-rigidity region and straddles the non-adhesive portion.

With such an absorbent article, by providing a width-compression section that spans the non-adhesive section in addition to the non-adhesive section, the risk of the 11th adhesive section adhering to each other is reduced.

In such an absorbent article, the absorbent body comprises a first absorbent core and a second absorbent core positioned on the non-skin side of the first absorbent core in the thickness direction. When the absorbent body is viewed in plan in the thickness direction, the high-rigidity region is the portion where the first and second absorbent cores overlap, and the low-rigidity region is the portion where the first and second absorbent cores do not overlap. Preferably, the first absorbent core has a larger basis weight of the superabsorbent polymer than the second absorbent core, and when the absorbent article is viewed in plan in the thickness direction, the second adhesive region has a portion that does not overlap with the first absorbent core.

With such absorbent articles, during wear, the highly absorbent polymer of the first absorbent core swells upon absorbing liquid, increasing the rigidity of the high-rigidity region. This makes it difficult for the article to conform to the wearer's body, and even if the adhesive between the clothing and the overlapping high-rigidity region in a plan view is prone to peeling, the second adhesive region, which does not overlap with the first absorbent, maintains better adhesion to the clothing. Therefore, the adhesion between the clothing and the absorbent article is easier to maintain.

In such an absorbent article, it is preferable that the outermost side end of the 11th adhesive portion in the width direction is located one side further than the one side end of the high-rigidity region in the width direction, and that when the absorbent article is viewed in plan in the thickness direction, the 11th adhesive portion has a portion that overlaps with the low-rigidity region outside the one side of the high-rigidity region in the width direction.

With such an absorbent article, even when force is applied from both sides in the width direction by the wearer's legs during wear, when the force from the wearer's legs is released, the garment, which was compressed in the width direction outside one side of the high-rigidity region in the width direction, returns to its original state. As a result, the 11th adhesive portion, which overlaps with the low-rigidity region, becomes more accommodating to the deformation of the high-rigidity region, thus reducing discomfort to the wearer caused by the deformation of the absorbent article.

In such an absorbent article, it is preferable that the other side end of the 21st adhesive portion in the width direction is located on the other side of the one side end of the high-rigidity region in the width direction, and that when the absorbent article is viewed in plan in the thickness direction, the 21st adhesive portion has a portion that overlaps with the low-rigidity region in the width direction, inward from the one side of the high-rigidity region.

With such an absorbent article, even when force is applied from both sides in the width direction by the wearer's legs during wear, when the force from the wearer's legs is released, the garment, which has been compressed in the width direction, returns to its original state outside one side of the high-rigidity region in the width direction. As a result, the 21st adhesive portion, which overlaps with the high-rigidity region, becomes more accommodating to the deformation of the high-rigidity region, thus reducing discomfort to the wearer caused by the deformation of the absorbent article.

In such an absorbent article, it is preferable that the 11th adhesive portion and the 21st adhesive portion are separated by a predetermined distance on one side in the width direction, and that the length of the non-adhesive portion in the width direction is longer than the predetermined distance.

With such an absorbent article, it becomes easier to create larger areas for the 11th and 21st adhesive parts compared to when the widthwise length of the non-adhesive part is longer than the distance between the 11th and 21st adhesive parts. Furthermore, the non-adhesive part makes it easier to prevent the 11th adhesive parts from adhering to each other. This makes it easier to restore the absorbent article to its original shape after deformation, thus reducing discomfort for the wearer during use.

The absorbent article packaging, in which the above-described absorbent article is packaged in a packaging material, is characterized in that, in the unfolded state, the absorbent article has a plurality of fold lines along the width direction, the plurality of fold lines have a front fold line located at the foremost position, and when the absorbent article packaging is viewed in plan in the thickness direction, the front fold line has a portion that overlaps with the high-rigidity region, and at least a part of the 21 adhesive portion is provided in front of the front fold line.

With this type of absorbent article packaging, the rigidity of the high-rigidity region reduces creases caused by the front fold line. Furthermore, even if creases form at the front fold line, it becomes easier to maintain the fixation of the 21st adhesive portion, located in front of the front fold line, to the clothing. This makes it easier to restore the absorbent article to its original shape, thus reducing discomfort for the wearer.

A preferred absorbent article packaging is one in which the above-mentioned absorbent article is packaged in a packaging material, wherein a release sheet is provided between the adhesive portion and the packaging material, the release sheet is detachably fixed to the adhesive portion, and, when viewed in plan in the thickness direction in the unfolded state, at least a portion of the boundary between the high-rigidity region and the low-rigidity region overlaps with the release sheet.

In this type of absorbent article packaging, the boundary between the high-rigidity and low-rigidity regions of the absorbent article is a part that is easily deformed due to the difference in rigidity. Therefore, overlapping the boundary between the high-rigidity and low-rigidity regions with the release liner makes it easier to reduce the risk of deformation.

===First Embodiment===
In the following description, a light incontinence pad will be used as an example of an absorbent article according to this embodiment. However, absorbent articles are not limited to light incontinence pads, and other absorbent articles include, for example, sanitary napkins and panty liners, which are worn attached to the wearer's clothing.

===Basic configuration of light incontinence pad 1===
Figure 1 is a plan view of the stretched light incontinence pad 1 (hereinafter also referred to as "pad 1") as seen from the skin side. Figure 2 is a plan view of the stretched pad 1 as seen from the non-skin side. Figure 3 is a schematic cross-sectional view of pad 1 taken along the line A-A at C-C in Figure 1. Note that the stretched state of pad 1 means that pad 1 is stretched without wrinkles. Specifically, pad 1 is stretched until the dimensions of each material constituting pad 1 match or are close to the dimensions of the individual material, without being affected by the elastic members of pad 1.

Pad 1 has a front-to-back direction, a width direction, and a thickness direction. In the thickness direction, the side that contacts the wearer's skin is the skin side, and the opposite side is the non-skin side. In the front-to-back direction, the side located on the wearer's abdominal side is the front side, and the side located on the wearer's back side is the rear side. The pad 1 of this embodiment has a symmetrical configuration in the front-to-back direction. In Figure 1, etc., C-C is the center line in the front-to-back direction, and X-X is the center line in the width direction.

Furthermore, the pad 1 has an absorbent body 2. As shown in Figure 3, the absorbent body 2 is a multilayer absorbent body comprising a first absorbent body 40 having a first absorbent core 41, and a second absorbent body 50 having a second absorbent core 51, positioned on the non-skin side of the first absorbent body 40 in the thickness direction. Each material is joined together with adhesives A1 to A11, such as hot melt adhesive.

A "multilayer absorbent" refers to a material in which multiple absorbent layers are stacked in the thickness direction. The absorbent layer 2 of pad 1 is a multilayer absorbent having a first absorbent layer 40 and a second absorbent layer 50 positioned on the non-skin side of the first absorbent layer 40 in the thickness direction. The absorbent layer 2 works as follows: first, the first absorbent layer 40, positioned on the skin side, absorbs the excretory fluid. Then, the second absorbent layer 50, positioned on the non-skin side of the first absorbent layer 40, absorbs the fluid absorbed by the first absorbent layer 40. This allows for the absorption of more excretory fluid, and because the fluid absorbed by the first absorbent layer 40 is moved to the second absorbent layer 50, the amount of fluid remaining in the first absorbent layer 40 is reduced, improving the feel against the skin when worn.

The first absorbent body 40 comprises a first absorbent core 41, a first skin-side core wrap 42 covering the skin-side of the first absorbent core 41, and a first non-skin-side core wrap 43 covering the non-skin-side of the first absorbent core 41.

The first absorbent core 41 is composed of a superabsorbent polymer (hereinafter also referred to as "SAP"). In this embodiment, the first absorbent core 41 does not contain liquid-absorbing fibers such as pulp fibers, and is composed solely of SAP. By reducing or eliminating the basis weight of the liquid-absorbing fibers (pulp fibers) in the first absorbent core 41, the thickness of the first absorbent core 41 can be reduced. Furthermore, the less liquid-absorbing fibers there are, the less the molded liquid-absorbing fibers will collapse due to the wearer's movements and the absorption of excretory fluids, making the first absorbent body 40 less prone to twisting. The first skin-side core wrap 42 and the first non-skin-side core wrap 43 are liquid-permeable sheets, and nonwoven fabrics or the like can be used.

The widthwise ends of the first skin-side core wrap 42 are folded back onto a portion of the non-skin side of the first non-skin-side core wrap 43, so as to wrap around the widthwise edges of the first absorbent core 41 and the first non-skin-side core wrap 43. A fragrance 47 is placed between the folded portion of the first skin-side core wrap 42 and the first non-skin-side core wrap 43. The fragrance 47 can mask the odor of excretory fluids and alleviate the wearer's anxiety or depression associated with using the pad 1.

The second absorbent body 50 comprises a second absorbent core 51, a second skin-side core wrap 52 covering the skin-side of the second absorbent core 51, and a second non-skin-side core wrap 53 covering the non-skin-side of the second absorbent core 51.

The second absorbent core 51 is formed from liquid-absorbing fibers such as pulp fibers or cellulose-based absorbent fibers molded into a predetermined shape. A superabsorbent polymer (SAP) may or may not be added to the liquid-absorbing fibers. The first skin-side core wrap 52 and the second non-skin-side core wrap 53 are liquid-permeable sheets, and can be made of materials such as tissue or nonwoven fabric.

It comprises a surface sheet 44 positioned closer to the skin than the first skin-side core wrap 42, an intermediate sheet 45 positioned between the surface sheet 44 and the first skin-side core wrap 42, and a pair of side sheets 61 positioned at both ends of the surface sheet 44 in the width direction. It also includes a back sheet 54 positioned closer to the non-skin side than the second non-skin-side core wrap 53.

The absorber 2 comprises a high-rigidity region H (described later) and a low-rigidity region L (low-rigidity) with lower rigidity than the high-rigidity region H. In the multilayer absorber 2, when viewed in a plan view in the thickness direction, the region where the first absorbent core 41 and the second absorbent core 51 overlap is the high-rigidity region H, and the region where the first absorbent core 41 and the second absorbent core 51 do not overlap is the low-rigidity region L.

Furthermore, the high-rigidity region H and low-rigidity region L of the absorber 2 do not necessarily have to be due to the overlapping of absorbers (multilayer absorber). For example, they may be due to differences in rigidity caused by the materials constituting the absorbent core, or to differences in rigidity caused by differences in the basis weight of the liquid-absorbing fibers contained in the absorbent core.

"Rigidity" refers to the ease with which the first absorbent core 41 and the second absorbent core 51 deform when subjected to external forces. As a rigidity value for comparing the levels of rigidity, for example, the value measured by the Gurley stiffness test can be divided by the length of the sample piece. The Gurley stiffness test can be measured in accordance with JIS-L1096 using the No. 311 Gurley flexibility tester manufactured by Yasuda Seiki Seisakusho Co., Ltd. In addition, the differences in the materials and basis weight of the first absorbent core 41 and the second absorbent core 51 can be compared visually, or the mass of the first absorbent core 41 and the second absorbent core 51 can be measured and compared by dividing the mass by the area (g/ ^cm² ).

When using absorbent materials like pad 1 for light incontinence, it is preferable that the maximum weight of liquid that the absorbent material 2 can absorb (water retention capacity) is five times or more the weight of pad 1 before wearing (when pad 1 is removed from the packaging material 101 described later). Immediately after putting on a new pad 1, it should be so light that the weight of pad 1 is barely noticeable, thus reducing stress and discomfort for the wearer even when using pad 1 for extended periods. On the other hand, by providing an absorbent material 2 that can absorb five times or more the weight of pad 1 before wearing, the absorbent material 2 can reliably absorb excrement, reducing the risk of leakage of excrement (liquids such as urine) from pad 1. Furthermore, even if the weight of pad 1 increases due to absorbing more excrement, the adhesive portion 3 (adhesive portion) can maintain its fixed state to clothing.

The maximum weight of liquid that the absorbent material 2 can absorb can be measured using a well-known method. For example, first, the weight of the absorbent material 2 before use (with the pad 1 removed from the packaging material 101) is measured using a direct-reading balance (e.g., an electronic balance HF-300 manufactured by Kensei Kogyo Co., Ltd.) to obtain the weight of the absorbent material 2 before absorption. Next, the absorbent material 2 is immersed in physiological saline solution (0.9% NaCl solution) poured into a plate-shaped container for 30 minutes. After 30 minutes, the absorbent material 2 is suspended by clips fixed to a pole on both sides and left for 10 minutes. Then, the absorbent material 2 is placed in a dehydrator (150G) and dehydrated for 90 seconds. The weight after dehydration is measured, and the water retention capacity can be calculated using the formula: (weight after dehydration (g) - weight of absorbent material 2 before use (g)).

The surface sheet 44 and the intermediate sheet 45 are permeable to liquids. Permeable sheets can be made of nonwoven fabrics (e.g., air-through nonwoven fabrics or spunbond nonwoven fabrics) or synthetic resin films with perforations. The back sheet 54 is impermeable to liquids. Impermeable sheets can be made of synthetic resin films such as polyethylene (PE) or polypropylene (PP), or composite sheets of synthetic resin films and nonwoven fabrics.

The side sheet 61 is a liquid-impermeable sheet and constitutes the leg side gather 60. The pair of leg side gathers 60 are three-dimensional gathers designed to prevent liquid leakage from the gap in the leg opening. A thread elastic (elastic member) 62, which is stretchable in the front-to-back direction, is fixed to the leg side gather 60 in a state where it is sandwiched between the side sheet 61, which is folded at a predetermined point, and is stretched in the front-to-back direction. The leg side gather 60 is formed along the front-to-back direction, extending from the front end to the rear end of the pad 1. When the pad 1 is worn, the area inside the width direction of the thread elastic 62 rises towards the skin side, starting from the point where it is joined with adhesive A9, due to the contraction of the thread elastic 62, thereby suppressing lateral leakage of excrement, etc. Note that a sheet-like elastic member such as an elastic film may be used instead of the thread elastic 62 (thread-like elastic member). Also, the number of thread elastics 62 can be any number. Furthermore, Figures 1 and 2 show only the stretchable portions 62a to 62b of the thread elastic 62 where elasticity is exhibited.

The pad 1 has a compressed portion 70 that is recessed in the thickness direction. In this embodiment, the compressed portion 70 is compressed from the skin side in the thickness direction, from the surface sheet 44 to the second absorbent 50. The fiber density of the pad 1 is higher in the compressed portion 70 compared to the surrounding area. Therefore, by providing the compressed portion 70 on the pad 1, the pad 1 becomes less prone to losing its shape and becoming wrinkled.

The compression section 70 comprises a pair of front and rear compression sections 71 arranged along the front-to-back direction and spaced apart in the width direction, and a pair of width compression sections 72 arranged between the front and rear compression sections 71 along the width direction and spaced apart in the front-to-back direction. The front and rear compression sections 71 facilitate the deformation of the pad 1 along the front-to-back direction while promoting the absorption of waste in the front-to-back direction. The width compression sections 72 facilitate the deformation of the pad 1 along the width direction while promoting the absorption of waste in the width direction. The front and rear compression sections 71 have a shape that curves inward in the width direction at the center of the pad 1 in the front-to-back direction (i.e., in the area that contacts the wearer's crotch). The width compression sections 72 have a shape that curves outward in the front-to-back direction.

However, the shape, number, and arrangement of the compression sections 70 illustrated in Figure 1 are merely examples and are not limited thereto. Furthermore, the linear compression sections 70 (71, 72) extending in the front-to-back and width directions may be groove-shaped compression sections where the pad 1 is continuously recessed in each direction, or they may be compression sections consisting of multiple point-shaped compression sections arranged linearly. Moreover, the compression sections 70 may individually compress the first absorbent 40 and the second absorbent 50, and both compression sections that individually compress the first absorbent 40 and the second absorbent 50, and compression sections extending from the first absorbent 40 to the second absorbent 50, may be provided on the pad 1. Also, the pad 1 may not have compression sections 70 at all.

The non-skin side of the backsheet 54 (the non-skin side of the pad 1) is provided with an adhesive portion 3, which is created by applying a hot-melt adhesive. The adhesive portion 3 is a so-called "anti-slip" component, and is attached to the skin side of the wearer's underwear or other clothing, so that the pad 1 is fixed to the clothing during use. As shown in Figure 2, the adhesive portion 3 has a pair of central adhesive regions (first adhesive regions) 10 spaced apart in the width direction, and side adhesive regions (second adhesive regions) 20 located outside the central adhesive regions 10 in the width direction.

The central adhesive region 10 is rectangular in shape with its longer side in the front-to-back direction, and is continuously arranged in the front-to-back direction from one end to the other end of the pad 1 in the front-to-back direction. The central adhesive region 10 has an 11th adhesive portion 11 on the front side of the center C-C in the front-to-back direction, and a 12th adhesive portion 12 on the rear side of the center C-C in the front-to-back direction. Furthermore, the 11th adhesive portion 11 has one side 11th adhesive portion 11a on one side of the center X-X and the other side 11th adhesive portion 11b on the other side of the center X-X in the width direction, and the 12th adhesive portion 12 has one side 12th adhesive portion 12a on one side of the center X-X in the width direction and the other side 12th adhesive portion 12b on the other side of the center X-X in the width direction. In this embodiment, the central adhesive region 10 of the pad 1 consists of a pair of rectangular adhesive regions: one side 11 adhesive portion 11a and one side 12 adhesive portion 12a are continuous, and the other side 11 adhesive portion 11b and the other side 12 adhesive portion 12b are continuous.

The side adhesive area 20 is rectangular in shape with its longer side in the front-to-back direction, and consists of four adhesive parts that are shorter in length in the front-to-back direction than the central adhesive area 10. Two of the side adhesive areas 20 are located on the front side of the pad 1, and the other two are located on the rear side of the pad 1. In other words, outside the width direction of the central adhesive area 10, a pair of side adhesive areas 20 are arranged with a gap between them in the front-to-back direction. Specifically, the side adhesive area 20 includes a 21st adhesive part 21 located in front of the center C-C in the front-to-back direction and on one side of the center X-X in the width direction, a 22nd adhesive part 22 located in front of the center C-C in the front-to-back direction and on the other side of the center X-X in the width direction, a 23rd adhesive part 23 located behind the center C-C in the front-to-back direction and on one side of the center X-X in the width direction, and a 24th adhesive part 24 located behind the center C-C in the front-to-back direction and on the other side of the center X-X in the width direction. In this embodiment, the 21st adhesive portion 21, the 22nd adhesive portion 22, the 23rd adhesive portion 23, and the 24th adhesive portion 24 are adhesive portions of the same shape and size, but they may also be of different shapes and sizes.

The basic configuration of pad 1 has been described above, but the configuration of pad 1 described above is just one example and is not limited to this. For example, the planar shape of pad 1 may be asymmetrical in the front-to-back direction, and pad 1 may not have an intermediate sheet 45 or fragrance 47. Also, the first absorbent core 41 and the second absorbent core 51 may each be wrapped in a single core wrap.

===Regarding the rigidity of the absorber 2 and the adhesive part 3===
Figure 4 is a schematic diagram illustrating the pad 1 in a worn state. Figure 4A shows the pad 1 in a worn state where no force is applied from the outside to the inside in the width direction, and Figure 4B shows the pad 1 in a worn state where force is applied from the outside to the inside in the width direction. Figures 4A and 4B are schematic diagrams showing the cross section of the pad 1 at the center C-C in the front-to-back direction when worn.

In absorbent items that are fixed to the wearer's clothing, such as Pad 1, the absorbent item may deform due to the wearer's body movements and the shifting of the clothing. As shown in Figure 4A, immediately after putting on a new Pad 1, Pad 1 is in a nearly horizontal position. However, when force is applied from the outside to the inside in the width direction by the wearer's legs to the clothing and Pad 1, the clothing is compressed in the width direction, causing the central and edge portions of Pad 1 in the width direction to protrude towards the skin, and the portion between the central and edge portions in the width direction to protrude towards the non-skin side. As shown in Figure 4B, Pad 1 deforms into a W shape when viewed along the front-to-back direction, bringing the central portion of Pad 1 in the width direction closer to the excretory opening where the wearer excretes waste, making it easier to fit to the wearer's body. It is preferable that this W shape of Pad 1 is pulled outwards in the width direction as the force from the outside in the width direction is released and the clothing returns to its original position and shape, resulting in the original shape of Pad 1 as shown in Figure 4A.

However, human movement is complex, and when worn, pad 1 is subjected to forces from all directions. Therefore, the deformation of pad 1 is not limited to shrinking in the width direction; it can also twist or bend irregularly. As a result, the adhesive parts 3 on the non-skin sides of pad 1 may adhere to each other. Once the adhesive parts 3 adhere to each other, it becomes difficult to separate them, potentially making it difficult for pad 1 to return to its original shape.

In particular, absorbent materials 2, such as pad 1, which have a high-rigidity region, suppress deformation of the absorbent material 2 (pad 1) due to the high-rigidity region. However, once deformation such as bending occurs in the absorbent material 2 (pad 1), it becomes a so-called crease, and the deformation tends to be maintained. Furthermore, if the adhesive parts 3 on the non-skin side of pad 1 stick together due to deformation, it becomes difficult to return pad 1 to its original shape. A deformed pad 1 can cause discomfort to the wearer, the corners of pad 1 caused by deformation and bending may irritate the wearer's skin, and the deformation may prevent pad 1 from properly catching excrement, potentially leading to leakage.

In contrast, as shown in Figures 5 and 6, when the pad 1 is viewed in plan in the thickness direction, the 11th adhesive portion 11 has a portion that overlaps with the high-rigidity region H, the 21st adhesive portion 21 has a portion that overlaps with the low-rigidity region L, and a non-adhesive portion 31 without adhesive portion 3 is provided in the portion that overlaps with the high-rigidity region H. The non-adhesive portion 31 is sandwiched from both sides in the width direction in the portion where the 11th adhesive portion 11 and the high-rigidity region H overlap. On one side of the pad 1 in the width direction, the side edge of the 21st adhesive portion 21 on that side in the width direction is located outside the side edge on that side in the width direction of the portion of the 11th adhesive portion 11 that overlaps with the high-rigidity region H.

Figure 5 is a plan view of Figure 2 with the high-rigidity region H and low-rigidity region L superimposed in the thickness direction. Figure 6 is an enlarged view of the front side of pad 1 in Figure 5. Figures 5 and 6 are plan views of pad 1 as seen from the non-skin side, with the high-rigidity region H indicated by a diagonal line sloping downwards to the left, and the low-rigidity region L indicated by a diagonal line sloping downwards to the right.

Specifically, as described above, when the absorber 2 of pad 1 is viewed in plan in the thickness direction, the high-rigidity region H is the region where the first absorbent core 41 and the second absorbent core 51 overlap, and the low-rigidity region L is the region where the first absorbent core 41 and the second absorbent core 51 do not overlap, and is the region of the second absorbent core 51 outside the first absorbent core 41. As shown in Figure 5, etc., when the absorber 2 of pad 1 is viewed in plan, the size of the first absorbent core 41 is such that it fits inside the second absorbent core 51. Therefore, the front end Hf of the high-rigidity region H is at the front end of the first absorbent core 41, and the rear end Hb of the high-rigidity region H is at the rear end of the first absorbent core 41.

When the pad 1 is viewed in plan in the thickness direction, the 11th adhesive portion 11 located in front of the central C-C in the front-to-back direction within the central adhesive region 10 has a portion that overlaps with the high-rigidity region H. More specifically, when the pad 1 is viewed in plan in the thickness direction, the rear portion of the 11th adhesive portion 11a on one side and the rear portion of the 11th adhesive portion 11b on the other side overlap with the high-rigidity region H.

By providing the 11th adhesive portion 11 at a position that overlaps with the high-rigidity region H when the pad 1 is viewed in plan in the thickness direction, the portion of the absorbent material 2 that can absorb more excrement can be more easily fixed to the wearer's clothing, thereby making it easier for the absorbent material 2 to absorb excrement.

Furthermore, when the pad 1 is viewed in plan in the thickness direction, a non-adhesive portion 31 is provided in the portion that overlaps with the high-rigidity region H, where the adhesive portion 3 is not provided. This non-adhesive portion 31 is sandwiched from both sides in the width direction in the portion where the 11th adhesive portion 11 and the high-rigidity region H overlap. In this embodiment, as shown in Figure 5, etc., in the front-to-back direction of the pad 1, the non-adhesive portion 31 is provided in the width direction between one side 11th adhesive portion 11a and the other side 11th adhesive portion 11b, and is sandwiched from both sides in the width direction in the portion where one side 11th adhesive portion 11a and the high-rigidity region H overlap, and the portion where the other side 11th adhesive portion 11b and the high-rigidity region H overlap.

Even if the adhesive portions 3 on the non-skin side of the pad 1 adhere to each other due to the wearer's movements during wear, areas where the adhesive portions 3 and non-adhesive portions 31 come into contact are more likely to occur. These contact areas can serve as starting points for separating the adhered portions 3, making it easier to separate the adhesive portions 3 than in a case without non-adhesive portions 31.

When the pad 1 is viewed in plan in the thickness direction, the 21st adhesive portion 21, located in the side adhesive region 20, anterior to the center C-C in the front-rear direction and to one side of the center X-X in the width direction, has a portion that overlaps with the low-rigidity region L. In the pad 1 of this embodiment, when the pad 1 is viewed in plan in the thickness direction, the front portion of the 21st adhesive portion 21 overlaps with the low-rigidity region L. Furthermore, on one side of the pad 1 in the width direction, the side edge of the 21st adhesive portion 21 on that side is located outside the side edge 11ae on that side in the width direction of the portion that overlaps with the high-rigidity region H of the 11th adhesive portion 11a on that side. Note that the side edge 11ae in Figures 5 and 6 is the side edge of the 11th adhesive portion 11a on that side, and in plan view, it is also the side edge on one side in the width direction of the portion where the 11th adhesive portion 11a on that side and the high-rigidity region H overlap.

Since the low-rigidity region L is a region with lower rigidity than the high-rigidity region H, when the pad 1 is viewed in plan in the thickness direction, the conformability of the 21st adhesive portion 21, which is provided in the portion overlapping the low-rigidity region L, to the clothing is higher than the conformability of the adhesive portion 3, which is provided in the portion overlapping the high-rigidity region H, to the clothing. Specifically, as shown in Figures 5 and 6, on one side in the width direction, the conformability of the portion of the 21st adhesive portion 21 that does not overlap the high-rigidity region H is higher than the conformability of the 11th adhesive portion 11a on one side, which is provided in a position overlapping the high-rigidity region H in plan view. Therefore, on the front side of the center C-C in the front-to-back direction of the pad 1, and on one side in the width direction, the portion where the 21st adhesive portion 21 overlaps the low-rigidity region L in plan view maintains adhesion to the clothing and easily maintains a state of conforming to the clothing, regardless of whether the high-rigidity region H is deformed or not, even when the portion of the high-rigidity region H that overlaps with the 11th adhesive portion 11a on one side is deformed. When the pad 1 and the garment become deformed, if a force is applied to the garment to return it to its original position and shape (hereinafter also referred to as the "restoring force of the garment"), the highly conformable 21st adhesive portion 21 first becomes easier to return to its original state. Then, due to the restoring force of the garment, the 21st adhesive portion 21 pulls the portion of the 11th adhesive portion 11a on one side toward one side in the width direction, which overlaps with the high-rigidity region H, making it easier to return to its original state. Thus, as with pad 1, even if the absorbent 2 has a high-rigidity region H, and deforms, develops creases in the high-rigidity region H, or the adhesive portions 3 on the non-skin side of pad 1 become adhered to each other, when the restorative force of the clothing is applied, the 21st adhesive portion 21, which is located in the portion overlapping with the low-rigidity region L in a plan view, returns to its original position and shape. This makes it easier to return the high-rigidity region H, which overlaps with the first adhesive portion 11a on one side, to its original position before deformation, and also makes it easier to separate the adhesive portions 3 from each other. This makes it easier to restore the front side of pad 1, and one side in the width direction, to its original shape before deformation.

Thus, the pad 1 improves its conformability to clothing on one side in the width direction and on the front side during wear. Even if the adhesive portions 3 on the non-skin sides of the pad 1 adhere to each other, it makes it easier to restore the pad 1 to its original shape. This reduces discomfort for the wearer, minimizes localized irritation to the wearer's skin caused by the deformation of the pad 1, and reduces the risk of excrement leaking outside the pad 1. In this embodiment, the side adhesive portion 20 of the pad 1 includes not only the 21st adhesive portion 21, but also the 22nd adhesive portion 22, the 23rd adhesive portion 23, and the 24th adhesive portion 24. However, it is not necessarily required to have four adhesive portions. Including at least the 21st adhesive portion 21 makes it easier to restore the front side of the pad 1, and one side in the width direction, to its original shape before deformation.

Similar to the 11th adhesive portion 11, when the pad 1 is viewed in plan in the thickness direction, it is preferable that the 12th adhesive portion 12 of the central adhesive region 10 has a portion that overlaps with the high-rigidity region H. In this embodiment, when the pad 1 is viewed in plan in the thickness direction, the front portion of the 12th adhesive portion 12a on one side and the front portion of the 12th adhesive portion 12b on the other side overlap with the high-rigidity region H. This makes it easier to return the pad 1 to its original shape before deformation, not only on the front but also on the rear side.

Similarly, when the pad 1 is viewed in the thickness direction from above, it is preferable that the 22nd adhesive portion 22, located in front of the center C-C in the front-rear direction and on the other side of the center X-X in the width direction, has a portion that overlaps with the low-rigidity region L. In this embodiment, when the pad 1 is viewed in the thickness direction from above, the front portion of the 22nd adhesive portion 22 overlaps with the low-rigidity region L. Furthermore, on the other side in the width direction of the pad 1, it is preferable that the side edge of the 22nd adhesive portion 22 on the other side in the width direction is located outside the side edge 11be on the other side in the width direction of the portion that overlaps with the high-rigidity region H of the other side 11th adhesive portion 11b. This makes it easier to return the pad 1 to its original shape before deformation, not only on one side in the width direction of the pad 1, but also on the other side. Note that the side edge 11be in Figures 5 and 6 is the side edge of the other side 11th adhesive portion 11b, and in a plan view, it is also the side edge on the other side in the width direction of the portion where the other side 11th adhesive portion 11b and the high-rigidity region H overlap.

Furthermore, it is more preferable that the second adhesive region 20 comprises four adhesive portions (21st adhesive portion 21, 22nd adhesive portion 22, 23rd adhesive portion 23, and 24th adhesive portion 24), and that the 23rd adhesive portion 23 and the 24th adhesive portion 24, which are located behind the center C-C in the front-rear direction, also have portions that overlap with the low-rigidity region L. In this embodiment, when the pad 1 is viewed in plan in the thickness direction, the rear portions of the 23rd adhesive portion 23 and the 24th adhesive portion 24 overlap with the low-rigidity region L. Preferably, on one side of the pad 1 in the width direction, the side edge of the 23rd adhesive portion 23 on that side in the width direction is provided outside the side edge 12ae on that side in the width direction of the portion of the 12th adhesive portion 12a that overlaps with the high-rigidity region H, and on the other side of the pad 1 in the width direction, the side edge of the 24th adhesive portion 24 on that side in the width direction is provided outside the side edge 12be on that side in the width direction of the portion of the 12th adhesive portion 12b that overlaps with the high-rigidity region H. This makes it easier to return the pad 1 to its original shape before deformation, not only on the front side but also on the rear side.

Furthermore, it is preferable that the non-adhesive portion 31 is provided in the central part in the width direction and extends continuously from the front end to the rear end of the 11th adhesive portion 11. As shown in Figure 5, it is preferable that the non-adhesive portion 31 extends continuously from the front end to the rear end of the central adhesive region 10 in the width direction.

When worn, the 11th adhesive portion 11 is fixed to the clothing, while the non-adhesive portion 31 sandwiched between the 11th adhesive portion 11 (11a, 11b) in the width direction is not fixed to the clothing. Therefore, as shown in Figure 4B, deformation is likely to occur, causing the central portion in the width direction to protrude towards the skin. Furthermore, even if the pad 1 excessively protrudes towards the skin in the width direction, or if irregular movements such as twisting by the wearer cause parts of the central adhesive regions 10 to adhere to each other, the continuous nature of the central adhesive region 10 from its front end to its rear end makes it easier to create contact points between the central adhesive region 10 and the non-adhesive portion 31, thus making it easier to separate the adhesion between the central adhesive regions 10. Therefore, discomfort for the wearer during wear and localized skin irritation due to deformation of the pad 1 are reduced.

Regarding the central adhesive region 10, it is preferable that the front end of the 11th adhesive portion 11 is located in front of the front end Hf of the high-rigidity region H, and that when the pad 1 is viewed in plan in the thickness direction, the 11th adhesive portion 11 has a portion that overlaps with the low-rigidity region L in front of the front end Hf of the high-rigidity region H. Specifically, as shown in Figures 5 and 6, the front end of one side of the 11th adhesive portion 11a and the front end of the other side of the 11th adhesive portion 11b are located in front of the front end Hf of the high-rigidity region H. When the pad 1 is viewed in plan in the thickness direction, the front end of one side of the 11th adhesive portion 11a overlaps with the low-rigidity region L in front of the front end Hf of the high-rigidity region, and the front end of the other side of the 11th adhesive portion 11b overlaps with the low-rigidity region L. In other words, on the front side of the pad 1, the 11th adhesive portion 11 extends from the low-rigidity region L to the high-rigidity region H.

The 11th adhesive portion 11, which extends from the low-rigidity region L to the high-rigidity region H, ensures that even if the garment and pad 1 deform or the 11th adhesive portions 11 adhere to each other while worn, pulling the garment forward and returning it to its original position allows the 11th adhesive portion 11, which overlaps with the low-rigidity region L (a region that easily conforms to the garment) in front of the front end Hf of the high-rigidity region H, to be continuously connected to the portion overlapping with the high-rigidity region H. This makes it easier to pull forward not only in the low-rigidity region L but also in the portion overlapping with the high-rigidity region H, thus making it easier to return the pad 1 in the high-rigidity region H to its original shape, easier to separate the adhesion between the 11th adhesive portions 11, and thus reducing discomfort for the wearer while wearing the garment.

Regarding the side adhesive area 20, as shown in Figure 6, it is preferable that the length T20 in the front-to-back direction is longer than the length W20 in the width direction of the 21st adhesive portion 21 (W20 < T20). This makes it easier to provide the 21st adhesive portion 21 closer to the front end of the pad 1, improving the conformability of the pad 1 to clothing, while also reducing the risk of the side adhesive areas 20 (the 21st adhesive portions 21 to each other, or the 21st adhesive portion 21 and the 22nd adhesive portion 22) adhering to each other in the width direction, compared to when the width direction length W20 of the 21st adhesive portion 21 is longer than the front-to-back length T20.

Similarly, it is preferable that the length in the front-to-back direction of the 22nd adhesive portion 22 is longer than its length in the width direction. In the pad 1, this improves the conformability of the pad 1 to clothing, not only on one side but also on the other side in the width direction, while reducing the risk of the side adhesive regions 20 adhering to each other in the width direction. Furthermore, it is preferable that the length in the front-to-back direction is longer than the length in the width direction of the 23rd adhesive portion 23, and that the length in the front-to-back direction is longer than the length in the width direction of the 24th adhesive portion 24. This also improves the conformability to clothing on the rear side of the pad 1, while making it easier to reduce the adhesion between the side adhesive regions 20.

As shown in Figure 6, it is preferable that the widthwise length W31 of the non-adhesive portion 31 is longer than the widthwise length W20 of the 22nd adhesive portion 22 (W31 > W20). This allows for a wider spacing between the 11th adhesive portions 11 (11a, 11b) compared to when the widthwise length W31 of the non-adhesive portion 31 is shorter than the widthwise length W20 of the 22nd adhesive portion 22, thus reducing the risk of the 11th adhesive portions 11 adhering to each other.

Furthermore, the rear end of the 21st adhesive portion 21 is provided behind the front end Hf of the high-rigidity region H, and when the pad 1 is viewed in plan in the thickness direction, it is preferable that the 21st adhesive portion 21 overlaps with the high-rigidity region H behind the front end Hf of the high-rigidity region H. In other words, as shown in Figures 5 and 6, it is preferable that the 21st adhesive portion 21 is provided on the front side of the pad 1, extending from the low-rigidity region L to the high-rigidity region H.

As a result, even if the garment and pad 1 deform to shrink in the front-to-back direction, or if the central adhesive regions 10 that overlap with the high-rigidity region H in a plan view adhere to each other, the 21st adhesive portion 21 that overlaps with the high-rigidity region H behind the front end Hf of the high-rigidity region H is continuous with the portion that overlaps with the low-rigidity region L. Therefore, the restoring force of the garment makes it easier to follow the garment and pull the high-rigidity region H forward, making it easier to return the deformation of the high-rigidity region H to its original horizontal shape that spread outwards in the width direction, and also making it easier to separate the adhesion between the central adhesive regions 10, thus reducing discomfort to the wearer.

As shown in Figures 5 and 6, it is preferable that the front end of the 21st adhesive portion 21 is positioned further forward than the front end of the 11th adhesive portion 11. Specifically, on one side in the width direction of the pad 1, the front end of the 21st adhesive portion 21 is positioned further forward than the front end of the 11th adhesive portion 11a on that side, and the 21st adhesive portion 21 protrudes further forward than the 11th adhesive portion 11a on that side.

By positioning the 21st adhesive portion 21 in front of the 11th adhesive portion 11, which overlaps with the high-rigidity region H in a plan view, it becomes easier to maintain the 21st adhesive portion 21 fixed to the clothing regardless of whether the high-rigidity region H is deformed or not. This makes it easier to maintain the pad 1 fixed to and conforming to the clothing. Furthermore, as shown in Figure 5, even when other adhesive portions such as the 22nd adhesive portion 22 are provided in addition to the 11th and 21st adhesive portions 11, the 21st and 22nd adhesive portions 22 can be separated in the width direction, reducing the risk of the 21st adhesive portion 21 adhering to the 11th or 22nd adhesive portion 22.

Figure 6 shows the longest portion M-M of the pad 1, located in the front-to-back direction of the pad 1, and the narrowest portion N-N, located in the front-to-back direction of the pad 1, located in the front-to-back direction of the pad 1. In this embodiment, the longest portion M-M of the pad 1 is located in front of the high-rigidity region H, and the narrowest portion N-N is the central portion in the front-to-back direction.

It is preferable that the longest portion M-M is provided with a 21st adhesive portion 21. By providing the 21st adhesive portion 21 on the longest portion M-M on the front side of the pad 1, the longest portion in the width direction can be fixed to the clothing and allowed to follow the clothing's movements. This reduces the risk of the pad 1 shifting or deforming while worn, and thus reduces discomfort to the wearer.

Furthermore, it is preferable that, at the narrowest point N-N, there is a gap between one side edge of the adhesive portion 3 in the width direction and one side edge of the pad 1 in the width direction. In this embodiment, the pad 1 is provided with an 11th adhesive portion 11 as the adhesive portion 3 at the narrowest point N-N. At the narrowest point N-N, there is a gap between one side edge of the 11th adhesive portion 11a and one side edge of the pad 1 in the width direction. Therefore, at the narrowest point N-N, the adhesive portion 3 is not provided outside the 11th adhesive portion 11a in the width direction. As a result, when worn, as shown in Figure 4B, the portion of the pad 1 on one side of the 11th adhesive portion 11a in the width direction is more likely to deform and protrude toward the skin without being fixed to the clothing. Therefore, even when force is applied to the pad 1 from the outside in the width direction toward the skin, the pad 1 can be easily deformed into a shape that conforms to the wearer's body (W shape), making it easier to fit the wearer's body.

Regarding the side adhesive area 20, it is preferable that at least a portion of the side adhesive area 20 is located outside the front and rear compression sections 71 in the width direction. The front and rear compression sections 71 facilitate deformation of the pad 1 into a desired shape, such as bending along the front-to-back direction, making it easier to fit the pad 1 to the wearer's body. The side adhesive area 20, located outside the front and rear compression sections 71 in the width direction, facilitates conformity to the clothing. Therefore, when the clothing is returned to its original position after deformation of the clothing and pad 1, even if the front and rear compression sections 71 deform, the restorative force of the clothing pulls the portion outside the front and rear compression sections 71 outwards in the width direction, making it easier to return the pad 1 to its pre-deformation state. By returning the pad 1 to a state close to its pre-deformation state, discomfort for the wearer is reduced.

Furthermore, it is preferable that the front end of the 11th adhesive portion 11 is located in front of the front end of the front and rear compression portions 71, and that the front end of the 21st adhesive portion 21 is located in front of the front end of the front and rear compression portions 71. As shown in Figures 5 and 6, the pad 1 of this embodiment has the front end of one side of the 11th adhesive portion 11a and the front end of the other side of the 11th adhesive portion 11b located in front of the front and rear compression portions 71, and the front end of the 21st adhesive portion 21 is located in front of the front and rear compression portions 71. In other words, when the pad 1 is viewed from above, it has portions of the 11th adhesive portion 11 and the 21st adhesive portion 21 that do not overlap with the front and rear compression portions 71 in the portion in front of the front and rear compression portions 71.

This design allows the front and rear compression sections 71 to easily deform the pad 1 into the desired shape, making it easier to fit to the wearer's body. Furthermore, by providing at least a portion of the 11th adhesive section 11 and the 21st adhesive section 21 in front of the front and rear compression sections 71, even if the pad deforms while worn, the garment's restorative force will help the front of the compression sections 71, through the 11th adhesive section 11 and the 21st adhesive section 21, to return the pad 1 to its original state. By returning the pad 1 to a state close to its original deformation, discomfort for the wearer is reduced.

Regarding the width compression portion 72 of the compression portion 70, as shown in Figures 5 and 6, when the pad 1 is viewed in plan in the thickness direction, it is preferable that the width compression portion 72 overlaps with the high-rigidity region H and straddles the non-adhesive portion 31. The width compression portion 72 is a portion that easily bends along the width direction, but is difficult to bend along the front-to-back direction which is approximately perpendicular to the width direction. Therefore, by providing not only the non-adhesive portion 31 but also the width compression portion 72 that straddles the non-adhesive portion 31, the risk of bending along the front-to-back direction of the pad 1 and causing the 11th adhesive portions 11 to adhere to each other (11a, 11b) can be further reduced.

Regarding the absorbent 2, as described above, the pad 1 comprises a multilayer absorbent in which a first absorbent 40 and a second absorbent 50 are stacked in the thickness direction, and the absorbent 2 has a first absorbent core 41 of the first absorbent 40 and a second absorbent core 51 of the second absorbent 50 which is positioned on the non-skin side of the first absorbent core 41. When the absorbent 2 is viewed in plan in the thickness direction, the high-rigidity region H is the region where the first absorbent core 41 and the second absorbent core 51 overlap, and the low-rigidity region L is the region where the first absorbent core 41 and the second absorbent core 51 do not overlap. In a pad 1 with such a multilayer absorbent, it is preferable that the first absorbent core 41 has a larger basis weight (g/ ^m² ) of superabsorbent polymer (SAP) than the second absorbent core 51, and when the pad 1 is viewed in plan in the thickness direction, it is preferable that the side adhesive region 20 has a portion that does not overlap with the first absorbent core 41.

Because the first absorbent core 41 has a higher basis weight (g/ ^m² ) of superabsorbent polymer (SAP) than the second absorbent core 51, the thickness of the first absorbent core 41 can be reduced. Furthermore, since superabsorbent polymer (SAP) tends to absorb liquids more slowly than liquid absorbent fibers such as pulp fibers, in the high-rigidity region H, the excrement received by the first absorbent core 41 on the skin side is more easily transferred to the second absorbent core 51, which is located on the non-skin side of the first absorbent core 41. However, when the first absorbent core 41, which is located on the skin side, absorbs excrement (liquid) while being worn, the superabsorbent polymer (SAP) in the first absorbent core 41 swells, and the rigidity of the high-rigidity region H increases further, making it difficult to conform to the wearer's body. In particular, in the case of a light incontinence pad 1 that absorbs urine, such as pad 1, a large amount of liquid (urine) may be absorbed, which can increase the rigidity of the high-rigidity region H, making it harder for the high-rigidity region H to conform to the wearer's body, and potentially causing the adhesion between the portion H overlapping with the high-rigidity region H in a plan view and the clothing to peel off. In contrast, when the pad 1 is viewed in a plan view in the thickness direction, the side adhesive region 20 has a portion that does not overlap with the first absorbent core 41, which makes it easier to maintain adhesion between the side adhesive region 20 that overlaps with the high-rigidity region H in a plan view and the clothing, and makes it easier to maintain the state in which the pad 1 is fixed to the clothing.

The basis weight of superabsorbent polymers (SAPs) can be compared using well-known methods. For example, it can be done based on visual inspection or images taken with an electron microscope. Alternatively, samples can be cut from the first absorbent core 41 and the second absorbent core 51, and the amount of SAP per predetermined area can be obtained to calculate the basis weight. If the first absorbent core 41 is composed solely of SAP, the mass of the sample becomes the mass of the SAP.

Furthermore, in the front-to-back direction, it is preferable that the adhesive portion 3 is positioned outside the stretchable portions 62a to 62b of the elastic thread 62. In the pad 1, as shown in Figure 2, the 11th adhesive portion 11 (central adhesive region 10), the 21st adhesive portion 21 (side adhesive region 20), and the 22nd adhesive portion (side adhesive region 20) have portions located in front of the stretchable portions 62a to 62b, while the 12th adhesive portion 12 (central adhesive region 10), the 23rd adhesive portion 23 (side adhesive region 20), and the 24th adhesive portion 24 (side adhesive region 20) have portions located behind the stretchable portions 62a to 62b. In other words, it is preferable that the stretchable portions 62a to 62b of the elastic thread 62 do not extend in the front-to-back direction to portions where the adhesive portion 3 is not provided at both ends of the pad 1 in the front-to-back direction. By doing so, the risk of excessive compression of the pad 1 in the front-to-back direction by the elastic thread 62 is reduced, thereby reducing the risk of misalignment of the pad 1 relative to the clothing or deformation of the pad 1 caused by excessive compression in the front-to-back direction.

The pad 1 is not limited to this configuration, although it uses elastic material that stretches in the front-to-back direction as the elastic thread 62 that holds the leg side gathers 60 upright. For example, the leg side gathers 60 may not be formed, and the side sheet 61 may enclose the surface sheet 44, the intermediate sheet 45, and the first absorbent 40, with the elastic thread 62 that stretches in the front-to-back direction fixed to the side sheet 61. With such a configuration, the first absorbent 40 can be made to stand upright toward the skin, and the cross-sectional shape of the first absorbent 40 when viewed along the front-to-back direction of the pad 1 can be made into a receptacle shape. The receptacle shape of the first absorbent 40 makes it easier to prevent excrement from leaking out to the outside in the width direction of the pad 1. Similarly, the side sheet 61 may enclose the surface sheet 44, the intermediate sheet 45, the first absorbent 40, and the second absorbent 50, with the elastic thread 62 that stretches in the front-to-back direction fixed to the side sheet 61. By positioning the first absorbent 40 and the second absorbent 50 facing the skin, and creating a tray-like cross-sectional shape when the pad 1 is viewed along the front-to-back direction, it becomes easier to prevent waste from leaking outwards in the width direction of the pad 1.

===Regarding packaging 100===
The pad 1 is preferably distributed and provided to the wearer in individually packaged packaging (not shown). As an example of the packaging 100 for the pad 1, as shown in Figure 7, the pad 1 is placed on a packaging material 101 via a release sheet 102, and the pad 1 is folded together with the packaging material 101 at two fold lines F1 and F2 along the width direction and secured with fastening tape 103. Figure 7 is a diagram illustrating the packaging 100 in its unfolded state.

The packaging material 101 is a sheet-like packaging component that individually packages the pads 1, and is removed when the pads 1 are used. As the material for the packaging material 101, various films such as plastic film and nylon film, nonwoven fabric, and nonwoven fabric laminated film can be used.

The release sheet 102 is a substantially rectangular sheet member provided between the adhesive portion 3 on the non-skin side of the pad 1 and the packaging material 101. The surface of the release sheet 102 facing the packaging material 101 is fixed to the packaging material 101 in a way that prevents separation. The surface facing the adhesive portion 3 (the non-skin side of the pad 1) is treated with a release agent such as silicone resin, allowing it to be detachably attached to the adhesive portion 3 of the napkin 10. In the packaged state, it is fixed so as to be detachable from the adhesive portion 3, and when using the pad 1, it is removed in the same way as the packaging material 101.

The "unfolded" packaging 100 refers to the state in which the packaging 100 in its unfolded state is opened, as shown in Figure 7, and the unfoldable parts of the folded portions of the packaging material 101 and pad 1 are unfolded. The "packaged" packaging 100 refers to the state in which the unfolded packaging 100 is sealed by folding a predetermined portion of it, specifically, at the first fold line F1 and the second fold line F2 with the skin-side sheet facing inward, and joining both ends of the packaging material 101 in the width direction by welding or the like.

In the unfolded packaging 100 of this embodiment, as shown in Figure 7, among the multiple fold lines F1 and F2, the first fold line F1 is the front fold line located furthest forward, and the second fold line F2 is the rear fold line located furthest backward.

Since pad 1 has thickness, the fold lines F1 and F2 will be regions with width in the front-to-back direction. The positions at the apex of the mountain-shaped fold lines F1 and F2 are defined as the centerlines of the fold lines F1 and F2. Specifically, when a weight (e.g., 200g) is placed on the plane of the folded packaging 100 via a plate larger than the plane of the packaging 100, the position where the packaging 100 protrudes the most is obtained as the centerlines of the fold lines F1 and F2. The maximum thickness t of the packaging 100 (pad 1 + packaging material 101) at the fold lines F1 and F2 is defined as t. In this case, the regions πt/2 away from the centerlines of the fold lines F1 and F2 on both sides in the front-to-back direction of pad 1 are defined as the fold lines F1 and F2.

However, this is not limited to the above. For example, the pad 1 and the packaging material 101 may be folded separately, there may be three or more fold lines along the width direction, and the pad 1 may be folded along fold lines along the width direction and fold lines along the front-to-back direction. Furthermore, it is not necessarily required to include a release sheet 102.

In the unfolded state, when the packaging 100 is viewed from above in the thickness direction, it is preferable that the first fold line F1 has a portion that overlaps with the high-rigidity region H, and that at least a portion of the 21st adhesive portion 21 is located in front of the first fold line F1. In this embodiment, as shown in Figure 7, when the packaging 100 is viewed from above in the thickness direction, the first fold line F1 overlaps with the high-rigidity region H and also overlaps with the 21st adhesive portion 21, and the front portion of the 21st adhesive portion 21 is located in front of the first fold line F1.

Even if the pad 1 is folded at the first fold line F1 in its packaging state, the high-rigidity region H is a highly rigid area. Therefore, it is easier to maintain a flat surface in the high-rigidity region H of the pad 1 in its unfolded or worn state, thus reducing deformation of the pad 1 due to folds. Even if a fold is formed in the pad 1 by the first fold line F1 and deformation occurs in the worn state, it is easier to maintain the state in which the 21st adhesive portion 21, located in front of the first fold line F1, is fixed to the clothing. Therefore, the deformation of the pad 1 is more easily restored to its original state by the restorative force of the clothing, thus reducing discomfort for the wearer.

Furthermore, when the packaging 100 is viewed in plan in the thickness direction in the unfolded state, it is preferable that at least a portion of the boundary between the high-rigidity region H and the low-rigidity region L overlaps with the release sheet 102. The boundary between the high-rigidity region H and the low-rigidity region L is a part that is easily deformed due to the difference in rigidity. Therefore, by overlapping the boundary between the high-rigidity region H and the low-rigidity region L with the release sheet 102, it becomes easier to reduce deformation at the boundary between the high-rigidity region H and the low-rigidity region L of the packaging 100 in the packaged state and the unfolded state. In this embodiment, as shown in Figure 7, in plan view, the low-rigidity region L is larger than the high-rigidity region H, and the entire area of the high-rigidity region H overlaps with the low-rigidity region L, so the outer end of the high-rigidity region H becomes the boundary between the high-rigidity region H and the low-rigidity region L. When the packaging 100 is viewed in plan view, the central part in the width direction at the front end of the high-rigidity region H overlaps with the release sheet 102, and the central part in the width direction at the rear end of the high-rigidity region H overlaps with the release sheet 102. Therefore, the risk of deformation along the width direction occurring at the boundary between the high-rigidity region H and the low-rigidity region L on the front side of the package 100 in both the packaged and unfolded states, and deformation along the width direction occurring at the boundary between the high-rigidity region H and the low-rigidity region L on the rear side of the package 100, can be reduced.

===Modification of the First Embodiment===
Figure 8 is a plan view of a modified version of the first embodiment, pad 1A, as seen from the non-skin side, and Figure 9 is a plan view of a modified version of the first embodiment, pad 1B, as seen from the non-skin side. Hereinafter, the light incontinence pads 1A and 1B (hereinafter also referred to as "pad 1A" and "pad 1B") will be described mainly with reference to Figures 8 and 9, with the differences from the first embodiment being explained. Parts common to the configuration of the first embodiment will be given the same reference numerals, etc., and a detailed explanation of the basic configuration will be omitted.

<<<<Light Incontinence Pad 1A>>>>
The pad 1 described above has a non-adhesive portion 31 in the center in the width direction and a central adhesive region 10 having a pair of 11th adhesive portions 11 (11th adhesive portion 11a on one side, 11th adhesive portion 11b on the other side) on both sides of the non-adhesive portion 31, but is not limited to this. As shown in Figure 8, the pad 1A may be configured such that one central adhesive region (first adhesive region) 10 has one 11th adhesive portion 11, and a non-adhesive portion 31 without an adhesive portion 3 is arranged inside the 11th adhesive portion 11 (central adhesive region 10).

Regarding pad 1A, when viewed in plan in the thickness direction, the 11th adhesive portion 11 located in front of the center C-C in the front-rear direction within the central adhesive region 10 has a portion that overlaps with the high-rigidity region H, and the non-adhesive portion 31 provided in the portion that overlaps with the high-rigidity region H is sandwiched from both sides in the width direction in the portion that overlaps with the 11th adhesive portion 11 and the high-rigidity region H. When viewed in plan in the thickness direction within the pad 1A, the 21st adhesive portion 21 located in front of the center C-C in the front-rear direction and on one side of the center X-X in the width direction within the side adhesive region 20 has a portion that overlaps with the low-rigidity region L, and on one side in the width direction of pad 1A, the side edge of the 21st adhesive portion 21 on one side in the width direction is provided outside the side edge 11ae on one side in the width direction of the portion of the 11th adhesive portion 11 that overlaps with the high-rigidity region H. This design makes it easier to separate the adhesive portions 3 from each other, even when the non-skin side of the pad 1 adheres to each other while worn, compared to a design without non-adhesive portions 31. Furthermore, the adhesion of the 21st adhesive portion 21, which overlaps with the low-rigidity region L, to the clothing improves the pad 1A's conformability to the clothing. Even if the clothing and pad 1A deform, the restorative force of the clothing can be used to easily restore the deformation of the 11th adhesive portion 11, which overlaps with the high-rigidity region. This makes it easier to restore deformation on the front and one side of the width of the pad 1A, reducing discomfort and the risk of leakage of excrement for the wearer.

As with pad 1A, the shape and number of the central adhesive area 10 and the 11th adhesive portion 11 can be arbitrarily changed. Furthermore, while the non-adhesive portion 31 in pads 1 and 1A is rectangular and positioned in the center in both the front-to-back and width directions, it is not limited to this. The non-adhesive portion 31 may be of any shape and positioned at any location. However, positioning the non-adhesive portion 31 in the center in both the front-to-back and width directions further reduces the risk of the 11th adhesive portions 11 adhering to each other, and even if they do adhere, it makes it easier to separate them.

<<<<Light Incontinence Pad 1B>>>>
The pad 1 described above has a central adhesive region 10 and side adhesive regions 20 that are separate, but is not limited to this. The central adhesive region (first adhesive region) 10 and the side adhesive region (second adhesive region) 20 may be arranged as a single adhesive portion 3. For example, as shown in Figure 9, the pad 1B may have an adhesive portion 3 consisting of a pair of rectangular adhesive regions on both sides in the width direction.

Regarding pad 1B, when pad 1B is viewed in plan in the thickness direction, the 11th adhesive portion 11 (one side 11th adhesive portion 11a, the other side 11th adhesive portion 11b) located in front of the center C-C in the front-rear direction within the central adhesive region 10 has a portion that overlaps with the high-rigidity region H, and the non-adhesive portion 31 provided in the portion that overlaps with the high-rigidity region H is sandwiched from both sides in the width direction in the portion that overlaps with the 11th adhesive portion 11 and the high-rigidity region H. When pad 1B is viewed in plan in the thickness direction, the 21st adhesive portion 21 located in front of the center C-C in the front-rear direction and on one side of the center X-X in the width direction within the side adhesive region 20 has a portion that overlaps with the low-rigidity region L, and on one side in the width direction of pad 1B, the side edge of the 21st adhesive portion 21 on one side in the width direction is provided outside the side edge 11ae on one side in the width direction of the portion of the 11th adhesive portion 11 that overlaps with the high-rigidity region H. This design makes it easier to separate the adhesive portions 3 from each other, even when the non-skin side of the pad 1 adheres to each other while worn, compared to a design without non-adhesive portions 31. Furthermore, the adhesion of the 21st adhesive portion 21, which overlaps with the low-rigidity region L, to the clothing improves the pad 1A's conformability to the clothing. Even if the clothing and pad 1A deform, the restorative force of the clothing can be used to easily restore the deformation of the 11th adhesive portion 11, which overlaps with the high-rigidity region. This makes it easier to restore deformation on the front and one side of the width of the pad 1A, reducing discomfort and the risk of leakage of excrement for the wearer.

Furthermore, in cases where the central adhesive region 10 and the side adhesive regions 20 are not separated, as in the case of pad 1B, when pad 1B is viewed in plan in the thickness direction, portions Da and Db of the adhesive portion 3 that overlap with the high-rigidity region H in front of the center C-C in the front-rear direction of pad 1B are the 11th adhesive portion 11 (11th adhesive portion 11a on one side, 11th adhesive portion 11b on the other side). Portions E and F that overlap with the low-rigidity region L outside the side edge of the high-rigidity region H on one side in the width direction are the 21st adhesive portion 21. Portion F, which is a region continuous with the one-side adhesive portion 11a in the width direction, is both the 21st adhesive portion 21 and the 11th adhesive portion 11. Portion G, which is a region continuous with the one-side adhesive portion 11a in the front-rear direction and continuous with the 21st adhesive portion 21 in the width direction, is both the 11th adhesive portion 11 and the 21st adhesive portion 21.

The embodiments of the present invention have been described above. These embodiments are provided to facilitate understanding of the present invention and are not intended to limit its interpretation. Furthermore, the present invention can be modified or improved without departing from its spirit, and it goes without saying that equivalents thereof are included within the present invention.

In the above-described embodiment, the first absorbent 40 comprises a first absorbent core 41 made of a superabsorbent polymer (SAP), and the second absorbent 50 comprises a second absorbent core 51 made of pulp fibers (liquid-absorbing fibers) and a superabsorbent polymer (SAP). However, the embodiment is not limited to this. For example, the first absorbent core 41 may contain liquid-absorbing fibers or be composed solely of liquid-absorbing fibers, and the second absorbent core 51 may have pulp fibers but not superabsorbent polymer (SAP), or may be composed solely of superabsorbent polymer (SAP).

In the above-described embodiment, the absorber 2 is a multilayer absorber, but it is not limited to this. The absorber 2 may not consist of multiple absorbent cores stacked in the thickness direction, but rather have a single absorbent core. When the absorber 2 has a single absorbent core, the portion of the absorbent core with high rigidity is the high-rigidity region H, and the region with lower rigidity than the high-rigidity region H is the low-rigidity region L. For example, if the absorbent core comprises liquid-absorbing fibers, and the central portion in the width direction and the central portion in the front-to-back direction is designated as the high-rigidity region H, then the rigidity of the low-rigidity region L may be lower than that of the high-rigidity region H by reducing the basis weight of the liquid-absorbing fibers in the low-rigidity region L compared to the basis weight of the liquid-absorbing fibers in the high-rigidity region H.

Furthermore, in the above-described embodiment, the absorber 2 is a multilayer absorber comprising a first absorber 40 (first absorbent core 41) and a second absorber 50 (second absorbent core 51), but it is not limited to this. The absorber may be a multilayer absorber in which three or more absorbers are stacked in the thickness direction. For example, if the pad comprises a first absorber, a second absorber, and a third absorber further stacked in the thickness direction, when the pad is viewed from above in the thickness direction, the region where two or more absorbent cores overlap is called the high-rigidity region H, and the region where there is no overlap between absorbent cores is called the low-rigidity region L.

In the pad 1 of the first embodiment described above, one side end of the 11th adhesive portion 11a in the width direction is located on the other side of the one side end of the high-rigidity region H in the width direction, and the 11th adhesive portion 11a is located inside the high-rigidity region H in the width direction. However, the pad is not limited to this. The outermost side end of the 11th adhesive portion 11 in the width direction is located on one side of the one side end of the high-rigidity region H in the width direction, and when the pad is viewed in plan in the thickness direction, the 11th adhesive portion 11 may overlap with the low-rigidity region L on the outside of one side of the high-rigidity region H in the width direction.

In such a pad, even when force is applied to the pad from both sides in the width direction by the wearer's legs while wearing it, when the force from the wearer's legs is subsequently released, the 11th adhesive portion 11, which overlaps with the low-rigidity region L outside the high-rigidity region H in the width direction, adheres to the clothing. The restorative force of the clothing, which has been compressed in the width direction, returns it to its original position and shape. As a result, the 11th adhesive portion 11, which overlaps with the low-rigidity region L, continues to extend to the portion overlapping with the high-rigidity region H. This makes it easier to apply force outward in the width direction to the high-rigidity region H, and thus easier to restore the deformation of the high-rigidity region H to its original state. Consequently, discomfort to the wearer caused by the deformation of the pad is reduced.

Furthermore, the other side end of the 21st adhesive portion 21 in the width direction may be positioned on the other side of the side end of the high-rigidity region H in the width direction, so that when the pad 1 is viewed in plan in the thickness direction, the 21st adhesive portion has a portion that overlaps with the low-rigidity region L in the area inward from one side of the high-rigidity region H in the width direction.

As a result, even when force is applied to the pad from both sides in the width direction by the wearer's legs while wearing it, when the force from the wearer's legs is subsequently released, the 21st adhesive portion 21, which overlaps with the low-rigidity region L outside the high-rigidity region H in the width direction, adheres to the clothing. Therefore, the restorative force that returns the clothing, which has been compressed in the width direction, to its original position and shape causes the 21st adhesive portion 21, which overlaps with the high-rigidity region H, to continue into the portion overlapping with the low-rigidity region L. This makes it easier to apply force outward in the width direction to the high-rigidity region H, and to restore the deformation of the high-rigidity region H to its original state. As a result, discomfort to the wearer caused by the deformation of the pad is reduced.

Furthermore, in the pad 1 of the first embodiment described above, the other side end of the 21st adhesive portion 21 in the width direction is provided on the other side of the one side end of the high-rigidity region H in the width direction, creating an overlapping region between the high-rigidity region H and the 21st adhesive portion 21 in a plan view. However, the invention is not limited to this. The other side end of the 21st adhesive portion 21 in the width direction may be provided on one side of the one side end of the high-rigidity region H. In other words, the 21st adhesive portion 21 may be provided outside the high-rigidity region H in the width direction. By providing the 21st adhesive portion 21 outside the high-rigidity region H in the width direction, it becomes easier to improve the conformability between the 21st adhesive portion 21 and the clothing.

1, 1A, 1B Pads (light incontinence pads, absorbent items),
2. Absorbent material,
3 Adhesive part,
40 First absorbent, 41 First absorbent core,
42 First skin-side core wrap, 43 First non-skin-side core wrap,
44 Surface sheet, 45 Middle sheet, 47 Fragrance,
50 Second absorbent, 51 Second absorbent core,
52 Second skin-side core wrap, 53 Second non-skin-side core wrap,
54 Backseat,
10 central adhesive area (first adhesive area),
11 11th adhesive part,
11a One side 11th adhesive portion, 11b The other side 11th adhesive portion,
12 12th adhesive part,
12a One side 12th adhesive portion, 12b The other side 12th adhesive portion,
20 Side adhesive area (second adhesive area),
21 21st adhesive part, 22 22nd adhesive part,
23 23rd adhesive part, 24 24th adhesive part,
31 Non-adhesive part,
60 Leg side gathers, 61 Side sheet, 62 Elastic thread,
70 Compression section, 71 Front and rear compression section (compression section), 72 Width compression section (compression section),
100 Packaging, 101 Packaging material, 102 Release sheet,
F1 First fold line (front fold line), F2 Second fold line,
H High rigidity region,
L Low rigidity area

Claims (16)

It has a front-to-back direction, a width direction, and a thickness direction,
An absorbent material that absorbs liquids, and an absorbent article having an adhesive portion on the non-skin side,
The absorber comprises a high-rigidity region and a low-rigidity region with lower rigidity than the high-rigidity region.
The high-rigidity region is located inside the outermost edge of the absorber in the front-rear direction and inside the outermost edge of the absorber in the width direction.
The low-rigidity region is located between the front-to-back ends of the high-rigidity region and the outermost end of the absorber in the front-to-back direction, and between the widthwise ends of the high-rigidity region and the outermost end of the absorber in the widthwise direction.
The adhesive portion has a first adhesive region and a second adhesive region.
The first adhesive region has a 11th adhesive portion on the front side of the center in the front-rear direction, and a 12th adhesive portion on the rear side of the center in the front-rear direction.
The 11th adhesive portion has one side 11th adhesive portion provided on one side of the center in the width direction and the other side 11th adhesive portion provided on the other side of the center in the width direction.
The 12th adhesive portion has one side 12th adhesive portion provided on one side of the center in the width direction and the other side 12th adhesive portion provided on the other side of the center in the width direction.
The first 11 adhesive portion on one side and the first 12 adhesive portion on the other side overlap in the width direction and are continuous in the front-to-back direction, and the first 11 adhesive portion on the other side and the first 12 adhesive portion on the other side overlap in the width direction and are continuous in the front-to-back direction.
The aforementioned second adhesive region is
A 21st adhesive portion is provided in front of the center in the front-rear direction and on one side of the center in the width direction,
A 23 adhesive portion is provided on the rear side of the center in the front-rear direction and on one side of the center in the width direction,
Equipped with,
The 21st adhesive portion and the 23rd adhesive portion have overlapping portions in the width direction and are spaced apart from each other in the front-rear direction.
When the absorbent article is viewed in plan view in the thickness direction,
The 11th adhesive portion has a portion that overlaps with the high-rigidity region on the front side of the center in the front-rear direction and on both sides in the width direction.
The 21st adhesive portion has a portion that overlaps with the low-rigidity region on one side of the center in the width direction, and the 23rd adhesive portion has a portion that overlaps with the low-rigidity region on one side of the center in the width direction,
In the portion overlapping with the aforementioned high-rigidity region, a non-adhesive portion is provided where the adhesive portion is not provided.
The non-adhesive portion is sandwiched from both sides in the width direction by the portion where the one side 11th adhesive portion and the one side 12th adhesive portion overlap with the high-rigidity region, and by the portion where the other side 11th adhesive portion and the other side 12th adhesive portion overlap with the high-rigidity region.
On one side in the width direction, the side ends of the 21st adhesive portion and the 23rd adhesive portion on that side in the width direction are provided outside the side end on that side in the width direction of the portion of the 11th adhesive portion that overlaps with the high-rigidity region.
In the contact area that contacts the crotch area of the wearer, at the center in the front-to-back direction, the adhesive portion is not provided outside the width direction of the 11th adhesive portion and the 12th adhesive portion.
An absorbent article characterized in that, at the center of the contact area in the front-rear direction, there is a gap between the side end of the one side of the 11th adhesive portion and the 12th adhesive portion on one side in the width direction and the side end of the absorbent article on one side in the width direction, and there is a gap between the side end of the other side of the 11th adhesive portion and the 12th adhesive portion on the other side in the width direction and the side end of the absorbent article on the other side in the width direction. The absorbent article according to claim 1,
The non-adhesive portion is provided in the central part in the width direction and is continuous from the front end to the rear end of the first adhesive region, making it an absorbent article. An absorbent article according to claim 1 or 2,
The 21st adhesive portion is characterized in that its length in the front-to-back direction is longer than its length in the width direction. An absorbent article according to any one of claims 1 to 3,
The front end of the 11th adhesive portion is provided on the front side of the front end of the high-rigidity region,
An absorbent article characterized in that, when the absorbent article is viewed in plan in the thickness direction, the 11th adhesive portion has a portion that overlaps with the low-rigidity region, in front of the front end of the high-rigidity region. An absorbent article according to any one of claims 1 to 4,
The rear end of the 21 adhesive portion is provided behind the front end of the high-rigidity region.
An absorbent article characterized in that, when the absorbent article is viewed in plan in the thickness direction, the 21 adhesive portion has a portion that overlaps with the high-rigidity region, rearward from the front end of the high-rigidity region. An absorbent article according to any one of claims 1 to 5,
The absorbent article is characterized in that the 21st adhesive portion is provided at the longest portion of the absorbent article, which is the longest portion in the width direction of the absorbent article, located in front of the center in the front-to-back direction. An absorbent article according to any one of claims 1 to 6,
An absorbent article characterized in that the front end of the 21st adhesive portion is located further forward than the front end of the 11th adhesive portion. An absorbent article according to any one of claims 1 to 7,
Having a compressed portion that is compressed in the thickness direction,
The compression section comprises front and rear compression sections aligned in the front-rear direction,
An absorbent article characterized in that at least a portion of the second adhesive region is provided outside the front and rear compression portions in the width direction. An absorbent article according to any one of claims 1 to 8,
Having a compressed portion that is compressed in the thickness direction,
The compression section comprises front and rear compression sections aligned in the front-rear direction,
The front end of the 11th adhesive portion is located in front of the front end of the front and rear compression portions.
The absorbent article is characterized in that the front end of the 21 adhesive portion is provided on the front side of the front and rear compression portions. An absorbent article according to any one of claims 1 to 9,
Having a compressed portion that is compressed in the thickness direction,
The compression section comprises a width compression section along the width direction,
An absorbent article characterized in that, when viewed in plan in the thickness direction, the width-compressed portion overlaps with the high-rigidity region and straddles the non-adhesive portion. An absorbent article according to any one of claims 1 to 10,
The absorbent body comprises a first absorbent core and a second absorbent core positioned on the non-skin side of the first absorbent core in the thickness direction.
When the absorber is viewed in plan view in the thickness direction,
The high-rigidity region is the portion where the first absorbent core and the second absorbent core overlap.
The low-rigidity region is the portion where the first absorbent core and the second absorbent core do not overlap.
The first absorbent core has a higher basis weight of the superabsorbent polymer than the second absorbent core.
An absorbent article characterized in that, when the absorbent article is viewed in plan in the thickness direction, the second adhesive region has a portion that does not overlap with the first absorbent core. An absorbent article according to any one of claims 1 to 11,
The outermost side end of the 11th adhesive portion in the width direction is located to one side of the side end of the high-rigidity region in the width direction,
An absorbent article characterized in that, when the absorbent article is viewed in plan in the thickness direction, the 11th adhesive portion has a portion that overlaps with the low-rigidity region on the outer side of the high-rigidity region in the width direction. An absorbent article according to any one of claims 1 to 12,
The other side end of the 21 adhesive portion in the width direction is provided on the other side of the one side end in the width direction of the high-rigidity region,
An absorbent article characterized in that, when the absorbent article is viewed in plan in the thickness direction, the 21 adhesive portion has a portion that overlaps with the low-rigidity region on the inside of one side of the high-rigidity region in the width direction. An absorbent article according to any one of claims 1 to 13,
On one side in the width direction,
The 11th adhesive portion and the 21st adhesive portion are separated by a predetermined distance.
An absorbent article characterized in that the length in the width direction of the non-adhesive portion is longer than the predetermined distance. An absorbent article package in which an absorbent article according to any one of claims 1 to 14 is packaged in a packaging material,
In the deployed state,
The absorbent article has a plurality of fold lines along the width direction,
Multiple fold lines have a front fold line located at the very front,
When the absorbent article packaging is viewed in plan in the thickness direction, the front fold line portion has a portion that overlaps with the high-rigidity region.
An absorbent article packaging characterized in that at least a portion of the 21 adhesive portion is provided in front of the front fold line portion. An absorbent article package in which an absorbent article according to any one of claims 1 to 14 is packaged in a packaging material,
A release sheet is provided between the adhesive portion and the packaging material.
The release sheet is fixed so as to be separable from the adhesive portion.
When the absorbent article packaging is viewed in plan in the thickness direction in the unfolded state,
An absorbent article packaging characterized in that at least a portion of the boundary between the high-rigidity region and the low-rigidity region overlaps with the release sheet.