Absorbent articles and packaging for absorbent articles

Abstract

To improve a following performance to wearing clothes when wearing an absorbent article, and thereby make it easy to put back deformation even if the absorbent article is deformed.SOLUTION: In an absorbent article (1), an absorbent body includes a high rigidity region (H) and a low rigidity region (L), and has a first adhesive region (10) and a second adhesive region (20). The first adhesive region (10) includes an eleventh adhesive part (11) in the front side, and the second adhesive region (20) includes a 21st adhesive part (21) in the front side and in one side from the center in the width direction. In plan view, the eleventh adhesive part (11) has an overlapping portion with the high rigidity region (H), and the 21st adhesive part (21) has the overlapping portion with the low rigidity region (L). A non-adhesive part (31) is provided in the overlapping portion with the high rigidity region (H). The non-adhesive part (31) is sandwiched from both sides in the width direction at a portion where the eleventh adhesive part (11) and the high-rigidity region (H) are overlapped. In one side of the width direction, a side edge of the one side in the width direction of the 21st adhesive part (21) is present at the outside from the side edge of the one side in the width direction of the portion overlapped with the high rigidity region of the eleventh adhesive part.SELECTED DRAWING: Figure 5

Description

Technical Field

[0001] The present invention relates to absorbent articles and absorbent article packages.

Background Art

[0002] As absorbent articles for absorbing excreta such as urine, sanitary napkins, light incontinence pads, etc. are known. For example, Patent Document 1 describes providing an adhesive on the non-use surface side of an absorbent article provided with an absorber so that the absorbent article does not shift in position.

Prior Art Documents

Patent Documents

[0003]

Patent Document 1

Summary of the Invention

Problems to be Solved by the Invention

[0004] However, when an absorbent article is worn, excessive compressive force and twisting may be applied to the absorber along with the movement of the wearer's body, and there is a risk that the adhesives on the non-use surface side of the absorbent article will adhere to each other. In particular, when force or twisting is applied to a portion of the absorber of the absorbent article having high rigidity, the absorber is likely to develop a so-called crease, or the state where the adhesives on the non-use surface side adhere to each other is likely to be maintained. Therefore, it is difficult to return the deformation of the absorbent article to its original shape, which is likely to cause discomfort to the wearer and may cause excreta to leak outside the absorbent article.

[0005] Therefore, the present invention has been made in view of the above problems, and an object thereof is to improve the followability of the absorbent article to clothing during wearing and to make it easy to return the deformation of the absorbent article to its original shape even when the absorbent article is deformed.

Means for Solving the Problems

[0006] The main invention for achieving the above object 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 the high-rigidity region area Between the two ends of the material in the front-rear direction and the outermost end of the absorber in the front-rear direction, and the high-rigidity region area It is located between the two ends in the width direction of the absorber and the outermost end in the width direction of the absorber, 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 11th adhesive portion on one side and the 12th adhesive portion on the other side overlap in the width direction and are continuous in the front-to-back direction, and the 11th adhesive portion on the other side and the 12th adhesive portion on the other side overlap in the width direction and are continuous in the front-to-back direction. The 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. [Effects of the Invention]

[0007] According to the present invention, it is possible to improve the followability to clothing during wearing of the absorbent article and to easily restore the deformation even when the absorbent article is deformed.

Brief Description of the Drawings

[0008] [Figure 1] It is a plan view of the light incontinence pad 1 in the extended state as seen from the skin side. [Figure 2] It is a plan view of the pad 1 in the extended state as seen from the non-skin side. [Figure 3] It is a schematic cross-sectional view of the pad 1 taken along the line A-A in C-C of FIG. 1. [Figure 4] It is a schematic diagram for explaining the pad 1 in the worn state. [Figure 5] It is a view showing the high-rigidity region H and the low-rigidity region L superposed in the thickness direction on the plan view of FIG. 2. [Figure 6] It is a view showing an enlarged front side of the pad 1 in FIG. 5. [Figure 7] It is a view for explaining the package 100 in the unfolded state. [Figure 8] It is a plan view of the pad 1A of the modification of the first embodiment as seen from the non-skin side. [Figure 9] It is a plan view of the pad 1B of the modification of the first embodiment as seen from the non-skin side.

Modes for Carrying Out the Invention

[0009] From the description of this specification and the accompanying drawings, at least the following matters become clear. An absorbent article having a front-back direction, a width direction, and a thickness direction, and absorbing liquid, the absorbent article having an adhesive portion on a non-skin side surface, wherein the absorbent body includes a high-rigidity region and a low-rigidity region having lower rigidity than the high-rigidity region, the adhesive portion has a first adhesive region and a second adhesive region, the first adhesive region includes a first 11 adhesive portion on the front side of the center in the front-back direction, the second adhesive region includes a second 21 adhesive portion on the front side of the center in the front-back direction and on one side of the center in the width direction, when the absorbent article is viewed in plan in the thickness direction, the first 11 adhesive portion has a portion overlapping with the high-rigidity region, the second 21 adhesive portion has a portion overlapping with the low-rigidity region, a non-adhesive portion where the adhesive portion is not provided is provided in the portion overlapping with the high-rigidity region, the non-adhesive portion is sandwiched from both sides in the width direction in the portion where the first 11 adhesive portion and the high-rigidity region overlap, on one side in the width direction, a side end on the one side in the width direction of the second 21 adhesive portion is provided outside a side end on the one side in the width direction of the portion of the first 11 adhesive portion overlapping with the high-rigidity region. The absorbent article is characterized by this.

[0010] According to such an absorbent article, by providing a first adhesive region including a first 11 adhesive portion and a second adhesive region including a second 21 adhesive portion, while improving the followability of the absorbent article to the clothing, during wearing, even if the absorbent article is deformed, the non-adhesive portion provided in the high-rigidity region reduces the risk of the first 11 adhesive portions adhering to each other, or when the first 11 adhesive portions adhere to each other, the second 21 adhesive portion adhered to the clothing makes it easier to peel off the adhesion of the first 11 adhesive portions to each other, and it becomes easier to return the deformation of the absorbent article to its original state. Therefore, it becomes easier to reduce the discomfort of the wearer due to the deformation of the absorbent article during wearing and the partial skin irritation due to the deformation of the absorbent article.

[0011] In such an absorbent article, it is preferable that the non-adhesive portion is provided at the central portion in the width direction and is continuous from the front end to the rear end of the first adhesive region.

[0012] Such absorbent materials make it easier for the absorbent material to deform in such a way that the central part protrudes towards the skin when worn, while the non-adhesive portion reduces the risk of the first adhesive areas sticking together, and even if the first adhesive areas do stick together, it becomes easier to separate them. This reduces discomfort for the wearer while wearing the material and localized skin irritation caused by deformation of the absorbent material.

[0013] In such an absorbent article, it is preferable that the length of the 21 adhesive portion is longer in the front-to-back direction than in the width direction.

[0014] 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.

[0015] In such an absorbent article, the front end of the 11th adhesive portion is provided in front of the front end of the high-rigidity region, and when the absorbent article is viewed in plan in the thickness direction, it is preferable that the 11th adhesive portion overlaps with the low-rigidity region in front of the front end of the high-rigidity region.

[0016] With such an absorbent article, even if the 11th adhesive parts in the high-rigidity region adhere to each other, the 11th adhesive part 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 parts in the high-rigidity region and to return the absorbent article to its original shape, thus reducing discomfort to the wearer caused by the deformation of the absorbent article.

[0017] In such an absorbent article, the rear end of the 21st adhesive portion is provided behind the front end of the high-rigidity region, and when the absorbent article is viewed in plan in the thickness direction, it is preferable that the 21st adhesive portion overlaps with the high-rigidity region behind the front end of the high-rigidity region.

[0018] With such an absorbent article, even when the first adhesive areas in the high-rigidity region adhere to each other, the 21st adhesive area that overlaps with the high-rigidity region behind 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 areas 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.

[0019] In such an absorbent article, it is preferable 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.

[0020] With such an absorbent article, the 21st adhesive portion can fix the longest part of the absorbent article in the width direction to the clothing, thus reducing the risk of the absorbent article shifting or deforming while being worn, and thus reducing discomfort to the wearer.

[0021] In such an absorbent article, it is preferable that at the narrowest part of the absorbent article, where the length in the width direction of the absorbent article is shortest, there is a gap between the side end of the adhesive portion in the width direction and the side end of the absorbent article in the width direction.

[0022] Such absorbent articles facilitate deformation during wear, causing the central and side edges of the article in the width direction to protrude towards the skin, and the portion between the central and side edges in the width direction to protrude towards the non-skin side, making it easier to fit the wearer's body.

[0023] 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.

[0024] With such an absorbent article, it becomes easier to maintain the 21st adhesive portion fixed to the clothing regardless of whether or not there is deformation in the high-rigidity region. Therefore, if 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, it becomes easier to reduce the risk of the 2nd adhesive region adhering to other adhesive portions while maintaining the absorbent article's fixation to the clothing.

[0025] The absorbent article has a compressed portion compressed in the thickness direction, wherein the compressed portion includes front and rear compressed portions along the front and rear direction, and preferably at least a portion of the second adhesive region is provided outside the front and rear compressed portions in the width direction.

[0026] With such an absorbent article, the front and rear compression sections encourage deformation of the absorbent article into the desired shape, making it easier to fit to the wearer's body. At the same time, the second adhesive region located outside the front and rear compression sections in the width direction makes it easier for the absorbent article to return to its original shape as the garment returns to its original form after deformation.

[0027] Preferably, such an absorbent article has a compressed portion compressed in the thickness direction, the compressed portion comprises front and rear compressed portions along the front-rear direction, the front end of the 11th adhesive portion is provided on the front side of the front and rear compressed portions, and the front end of the 21st adhesive portion is provided on the front side of the front and rear compressed portions.

[0028] 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. By providing at least a portion of the 11th adhesive section and the 21st adhesive section in front of the front and rear compression sections, the absorbent article can be easily restored to its original shape as the garment returns to its original state, thus reducing discomfort while wearing it.

[0029] The absorbent article has a compressed portion compressed in the thickness direction, the compressed portion includes a width compressed portion along the width direction, and when the absorbent article is viewed in plan in the thickness direction, it is preferable that the width compressed portion overlaps with the high-rigidity region and straddles the non-adhesive portion.

[0030] With such an absorbent article, by providing a wide compression section that spans the non-adhesive section in addition to the non-adhesive section, the risk of the 11th adhesive sections adhering to each other is reduced.

[0031] In such an absorbent article, the absorbent body has a first absorbent core and a second absorbent core positioned on the non-skin side of the first absorbent core in the thickness direction, and when the absorbent body is viewed in plan in the thickness direction, the high-rigidity region is the portion where the first absorbent core and the second absorbent core overlap, and the low-rigidity region is the portion where the first absorbent core and the second absorbent core do not overlap, and it is preferable that 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.

[0032] 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 adhesive area overlapping the high-rigidity region in a plan view is prone to peeling, the second adhesive region, which does not overlap with the first absorbent, maintains adhesion to the clothing more easily, thus making it easier to maintain the bond between the clothing and the absorbent article.

[0033] 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 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.

[0034] With such absorbent articles, even if force is applied from both sides in the width direction by the wearer's legs when wearing the article, when the force from the wearer's legs is released, the garment, which has been 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 responsive to the deformation of the high-rigidity region, thus reducing discomfort to the wearer caused by the deformation of the absorbent article.

[0035] In such an absorbent article, it is preferable that the other side end of the 21 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 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 in the width direction, inward from the one side of the high-rigidity region.

[0036] With such absorbent articles, 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 responsive to the deformation of the high-rigidity region, thus reducing discomfort to the wearer caused by the deformation of the absorbent article.

[0037] 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.

[0038] 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, and it becomes easier to prevent the 11th adhesive parts from sticking together with the non-adhesive part. As a result, it becomes easier to return the absorbent article to its original shape after deformation, and it becomes easier to reduce discomfort for the wearer when wearing it.

[0039] The absorbent article packaging is characterized in that, when unfolded, 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 frontmost 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.

[0040] With such an absorbent article packaging, the rigidity of the high-rigidity region reduces the crease caused by the front fold line, and even if a crease is formed at the front fold line, it becomes easier to maintain the state in which the 21st adhesive portion located in front of the front fold line is fixed to the clothing. This makes it easier to return the absorbent article to its original shape and reduces discomfort for the wearer.

[0041] Preferably, an absorbent article package is an absorbent article package in which the above-mentioned absorbent article is packaged in a packaging material, wherein there is a release sheet between the adhesive portion and the packaging material, the release sheet is fixed so as to be separable from the adhesive portion, and when the absorbent article package is viewed in plan in the thickness direction in the unfolded state, at least a part of the boundary between the high-rigidity region and the low-rigidity region overlaps with the release sheet.

[0042] With 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, by overlapping the boundary between the high-rigidity and low-rigidity regions with the release sheet, the risk of deformation can be reduced.

[0043] ===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.

[0044] ===Basic configuration of the 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 at CC in Figure 1, taken along the line AA. 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.

[0045] Pad 1 has a front-to-back direction, a width direction, and a thickness direction. In the thickness direction, the side that comes into contact with 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 that is located on the wearer's abdominal side is the front side, and the side that is located on the wearer's back side is the rear side. Pad 1 in this embodiment has a symmetrical configuration in the front-to-back direction. In Figure 1, etc., CC is the center line in the front-to-back direction, and XX is the center line in the width direction.

[0046] 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 and 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.

[0047] A "multilayer absorbent" refers to a material in which multiple absorbent layers are stacked in the thickness direction. The absorbent 2 of pad 1 is a multilayer absorbent having a first absorbent 40 and a second absorbent 50 positioned on the non-skin side of the first absorbent 40 in the thickness direction. The absorbent 2 first absorbs the excretory fluid with the first absorbent 40 positioned on the skin side, and then the second absorbent 50, positioned on the non-skin side of the first absorbent 40, absorbs the excretory fluid absorbed by the first absorbent 40. This allows for the absorption of more excretory fluid, and because the excretory fluid absorbed by the first absorbent 40 is moved to the second absorbent 50, the amount of excretory fluid remaining in the first absorbent 40 is reduced, improving the feel against the skin when worn.

[0048] The first absorbent body 40 includes a first absorbent core 41, a first skin-side core wrap 42 that covers the skin-side of the first absorbent core 41, and a first non-skin-side core wrap 43 that covers the non-skin-side of the first absorbent core 41.

[0049] The first absorbent core 41 is composed of a superabsorbent polymer (hereinafter also referred to as "SAP"). The first absorbent core 41 in this embodiment does not have liquid absorbent fibers such as pulp fibers, and is composed only of SAP. By reducing or eliminating the basis weight of the liquid absorbent fibers (pulp fibers) in the first absorbent core 41, the thickness of the first absorbent core 41 can be reduced. Furthermore, the less liquid absorbent fibers there are, the less the molded liquid absorbent fibers will collapse due to the wearer's movements and the absorption of excretory fluids, and the first absorbent body 40 will be 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.

[0050] 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 about using the pad 1.

[0051] The second absorbent body 50 comprises a second absorbent core 51, a second skin-side core wrap 52 that covers the skin-side of the second absorbent core 51, and a second non-skin-side core wrap 53 that covers the non-skin-side of the second absorbent core 51.

[0052] The second absorbent core 51 is formed from liquid absorbent 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 absorbent 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 tissue, nonwoven fabric, or the like.

[0053] 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 has a back sheet 54 positioned closer to the non-skin side than the second non-skin-side core wrap 53.

[0054] The absorber 2 comprises a high-rigidity region H (described later) and a low-rigidity region L (low-rigidity) which has lower rigidity than the high-rigidity region H. Of the multilayer absorber 2, when the absorber 2 is 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.

[0055] 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.

[0056] "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 stiffness value for comparing high and low rigidity, for example, the value measured by the Gurley stiffness test divided by the length of the sample piece can be used. The Gurley stiffness test can be measured using a Gurley-type flexibility tester No. 311 manufactured by Yasuda Seiki Seisakusho Co., Ltd., in accordance with JIS-L1096. Other methods of comparison include visually comparing the differences in the materials and weight of the components of the first absorbent core 41 and the second absorbent core 51, or measuring the mass of each core and dividing the mass by the area (g / cm²). 2 You can also compare them using )

[0057] When an absorbent item like pad 1 is used 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 hardly noticeable, which reduces stress and discomfort for the wearer even when pad 1 is used for a long time. 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 the excrement, and the risk of leakage of excrement (liquid such as urine) from pad 1 can be reduced. Furthermore, even if the weight of pad 1 increases when it is saturated with more excrement, the adhesive part 3 (adhesive part) can maintain its fixed state to the clothing.

[0058] 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 pad 1 removed from packaging material 101) is measured using a direct-reading balance (e.g., 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, and its weight is measured. The water retention capacity can then be calculated using the formula (weight after dehydration (g) - weight of absorbent material 2 before use (g)).

[0059] 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.

[0060] 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. The leg side gathers 60 are fixed in a state where a thread elastic (elastic member) 62, which is stretchable in the front-to-back direction, 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 gathers 60 are 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 from the point where it is joined with adhesive A9 due to the contraction of the thread elastic 62, 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.

[0061] 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.

[0062] The compression section 70 has 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 pair of 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 deformation of the pad 1 along the front-to-back direction while promoting absorbed excrement in the front-to-back direction. The width compression sections 72 facilitate deformation of the pad 1 along the width direction while promoting absorbed excrement in the width direction. The front and rear compression sections 71 have a shape that is curved 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 is curved outward in the front-to-back direction.

[0063] 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 where multiple point-shaped compression sections are 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.

[0064] 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 hot melt adhesive. The adhesive portion 3 is a so-called "anti-slip" portion 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 when used. As shown in Figure 2, the adhesive portion 3 has a pair of central adhesive regions (first adhesive regions) 10 that are spaced apart in the width direction, and a side adhesive region (second adhesive region) 20 that is located outside the central adhesive region 10 in the width direction.

[0065] 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 central CC in the front-to-back direction and a 12th adhesive portion 12 on the rear side of the central CC in the front-to-back direction. Furthermore, the 11th adhesive portion 11 has one side 11th adhesive portion 11a on one side of the central XX and the other side 11th adhesive portion 11b on the other side of the central XX in the width direction, and the 12th adhesive portion 12 has one side 12th adhesive portion 12a on one side of the central XX and the other side 12th adhesive portion 12b on the other side of the central XX in the width direction. In this embodiment, the central adhesive region 10 of the pad 1 consists of a pair of rectangular adhesive regions, where the 11th adhesive portion 11a and the 12th adhesive portion 12a on one side in the width direction are continuous, and the 11th adhesive portion 11b and the 12th adhesive portion 12b on the other side in the width direction are continuous.

[0066] 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, on the outside of 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 CC in the front-to-back direction and on one side of the center XX in the width direction, a 22nd adhesive part 22 located in front of the center CC in the front-to-back direction and on the other side of the center XX in the width direction, a 23rd adhesive part 23 located behind the center CC in the front-to-back direction and on one side of the center XX in the width direction, and a 24th adhesive part 24 located behind the center CC in the front-to-back direction and on the other side of the center XX in the width direction. The 21st adhesive portion 21, the 22nd adhesive portion 22, the 23rd adhesive portion 23, and the 24th adhesive portion 24 in this embodiment are adhesive portions of the same shape and size, but they may also be of different shapes and sizes.

[0067] 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 thereto. 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.

[0068] ===Regarding the rigidity of absorber 2 and 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, while 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 central CC in the front-to-back direction when worn.

[0069] In absorbent items that are attached 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 the wearer's legs apply force from the outside in the width direction 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 through which the wearer excretes waste, making it easier to fit to the wearer's body. Preferably, this W shape of Pad 1 is returned to the shape of Pad 1 before deformation, as shown in Figure 4A, by pulling Pad 1 outward 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.

[0070] However, human movement is complex, and when worn, pad 1 is subjected to forces from all directions. As a result, the deformation of pad 1 is not only shortened in the width direction, but pad 1 may also twist or bend irregularly. Consequently, the adhesive parts 3 on the non-skin side of pad 1 may adhere to each other, and once the adhesive parts 3 adhere to each other, it is difficult to separate the adhesion, which may make it difficult for pad 1 to return to its original shape.

[0071] In particular, absorbent material 2, such as pad 1, which has a high-rigidity region, suppresses deformation of absorbent material 2 (pad 1) by the high-rigidity region. However, once deformation such as bending occurs in 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 stick together due to the deformation of pad 1, it becomes difficult to return pad 1 to its original shape. In this deformed state, pad 1 may cause discomfort to the wearer, the corners of pad 1 created by the deformation and bending may cause localized irritation to the wearer's skin, and the deformation may prevent pad 1 from properly catching excrement, potentially causing leakage of excrement from pad 1.

[0072] 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, and on one side in the width direction of the pad 1, the side edge of the 21st adhesive portion 21 on one side in the width direction is provided outside the side edge on one side in the width direction of the portion of the 11th adhesive portion 11 that overlaps with the high-rigidity region H.

[0073] Figure 5 is a plan view of Figure 2 with the high-rigidity region H and the 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.

[0074] Specifically, as described above, when the absorber 2 of pad 1 is viewed in the thickness direction from above, 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 that is outside the first absorbent core 41. As shown in Figure 5, etc., when the absorber 2 of pad 1 is viewed from above, the size of the first absorbent core 41 fits inside the second absorbent core 51, so the front end Hf of the high-rigidity region H is the position of the front end of the first absorbent core 41, and the rear end Hb of the high-rigidity region H is the position of the rear end of the first absorbent core 41.

[0075] When the pad 1 is viewed in plan in the thickness direction, the 11th adhesive portion 11 located in front of the central CC in the front-rear 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.

[0076] 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, it becomes easier to fix the portion of the absorbent body 2 that can absorb more excrement to the wearer's clothing, thereby making it easier for the absorbent body 2 to absorb excrement.

[0077] 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-rear direction of the pad 1, in front of the center CC, 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.

[0078] Even if the adhesive parts 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 parts 3 and non-adhesive parts 31 come into contact are more likely to occur. These contact areas can serve as starting points for separating the parts where the adhesive parts 3 have adhered to each other, making it easier to separate the adhesive parts 3 than in the case where there are no non-adhesive parts 31.

[0079] When the pad 1 is viewed in plan in the thickness direction, the 21st adhesive portion 21, which is located in front of the center CC in the front-rear direction and on one side of the center XX 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 in the width direction of the pad 1, the side edge of the 21st adhesive portion 21 on that side in the width direction 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.

[0080] 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 with 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 with 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 with 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 with the high-rigidity region H in a plan view. Therefore, on one side in the width direction, in front of the center CC in the front-to-back direction of the pad 1, the portion where the 21st adhesive portion 21 overlaps with the low-rigidity region L in a 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 if 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, or if creases form in the high-rigidity region H, or if 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 provided in the part that overlaps with the low-rigidity region L in a plan view, returns to its original position and shape before deformation. This makes it easier to return the high-rigidity region H, which has a part that overlaps with the first adhesive portion 11a on one side, to its original position before deformation, and makes it easier to separate the adhesive portions 3 from each other, thereby making it easier to restore the front side of pad 1, and one side in the width direction, to its original shape before deformation.

[0081] In this way, the pad 1 improves its ability to conform to clothing on one side in the width direction and on the front side of the pad 1 while being worn, and makes it easier to return the deformation of the pad 1 to its original state even if the adhesive parts 3 on the non-skin side of the pad 1 adhere to each other, thereby alleviating discomfort for the wearer, reducing localized irritation to the wearer's skin due to the deformation of the pad 1, and reducing the risk of excrement leaking outside the pad 1. In this embodiment, the side adhesive part 20 of the pad 1 is equipped not only with the 21st adhesive part 21, but also with the 22nd adhesive part 22, the 23rd adhesive part 23, and the 24th adhesive part 24, but it is not necessarily required to have four adhesive parts. By providing at least the 21st adhesive part 21, it becomes easier to restore the front side of the pad 1 and one side in the width direction to its original shape before deformation.

[0082] 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 side but also on the rear side.

[0083] Similarly, when the pad 1 is viewed in plan in the thickness direction, it is preferable that the 22nd adhesive portion 22, located in front of the center CC in the front-rear direction and on the other side of the center XX 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 plan in the thickness direction, 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 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.

[0084] Furthermore, it is more preferable that the second adhesive region 20 comprises four adhesive parts (21st adhesive part 21, 22nd adhesive part 22, 23rd adhesive part 23, and 24th adhesive part 24), and that the 23rd adhesive part 23 and the 24th adhesive part 24, which are located behind the central CC 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 part 23 and the 24th adhesive part 24 overlap with the low-rigidity region L. Preferably, on one side of the pad 1 in the width direction, the side end of the 23rd adhesive portion 23 on that side in the width direction is provided outside the side end 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 end of the 24th adhesive portion 24 on the other side in the width direction is provided outside the side end 12be on the other 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.

[0085] 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.

[0086] 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. As a result, as shown in Figure 4B, deformation is likely to occur in which the central part in the width direction protrudes towards the skin. Furthermore, even if the pad 1 protrudes excessively 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 the front end to the back end makes it easier to create contact points between the central adhesive region 10 and the non-adhesive portion 31, 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.

[0087] 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.

[0088] Due to the 11th adhesive part 11 provided from the low-rigidity area L to the high-rigidity area H, even if the clothing and the pad 1 are deformed or the 11th adhesive parts 11 adhere to each other in the wearing state, when the clothing is pulled forward and returned to the original position, the 11th adhesive part 11 overlapping with the low-rigidity area L that is easy to follow the clothing on the front side of the front end Hf of the high-rigidity area H is continuous with the part overlapping with the high-rigidity area H. Therefore, not only the low-rigidity area L but also the part overlapping with the high-rigidity area H is easy to be pulled forward, it is easy to return the deformation of the pad 1 in the high-rigidity area H to the original shape, it is easy to peel off the adhesion between the 11th adhesive parts 11, and it is easy to reduce the discomfort of the wearer during wearing.

[0089] Regarding the side adhesive area 20, as shown in FIG. 6, it is preferable that the length T20 in the front-rear direction is longer than the length W20 in the width direction of the 21st adhesive part 21 (W20 < T20). This makes it easier to provide the 21st adhesive part 21 at a portion closer to the front end of the pad 1, while improving the followability of the pad 1 to the clothing, and reducing the possibility that the side adhesive areas 20 (the 21st adhesive parts 21 or the 21st adhesive part 21 and the 22nd adhesive part 22) adhere to each other in the width direction more easily than when the length W20 in the width direction of the 21st adhesive part 21 is longer than the length T20 in the front-rear direction.

[0090] Similarly, it is preferable that the length in the front-rear direction is longer than the length in the width direction of the 22nd adhesive part 22. In the pad 1, not only on one side in the width direction but also on the other side, it is possible to improve the followability of the clothing to the pad 1 while reducing the possibility that the side adhesive areas 20 adhere to each other in the width direction. Furthermore, it is preferable that the length in the front-rear direction is longer than the length in the width direction of the 23rd adhesive part 23, and it is preferable that the length in the front-rear direction is longer than the length in the width direction of the 24th adhesive part 24. Also at the rear side of the pad 1, it is easy to reduce the adhesion between the side adhesive areas 20 while improving the followability to the clothing.

[0091] 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). When the widthwise length W31 of the non-adhesive portion 31 is shorter than the widthwise length W20 of the 22nd adhesive portion 22, the spacing between the 11th adhesive portions 11 (11a, 11b) can be wider, thus reducing the risk of the 11th adhesive portions 11 adhering to each other.

[0092] 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.

[0093] 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, thereby reducing discomfort to the wearer.

[0094] 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.

[0095] By providing the 21st adhesive portion 21 in front of the 11th adhesive portion 11, which has a portion that overlaps with the high-rigidity region H in a plan view, it becomes easier to maintain the state in which the 21st adhesive portion 21 is fixed to the clothing regardless of whether or not the high-rigidity region H is deformed, thus making it easier to maintain the state in which the pad 1 is fixed to and follows the clothing. Furthermore, as shown in Figure 5, even if other adhesive portions such as the 22nd adhesive portion 22 are provided in addition to the 11th adhesive portion 11 and the 21st adhesive portion 21, the 21st adhesive portion 21 and the 22nd adhesive portion 22 can be separated in the width direction, making it easier to reduce the risk of the 21st adhesive portion 21 adhering to the 11th adhesive portion 11 or the 22nd adhesive portion 22.

[0096] Figure 6 shows the longest portion MM of the pad 1, which is located in front of the center in the front-rear direction of the pad 1, and the narrowest portion NN, which is located in front of the center in the front-rear direction of the pad 1. In this embodiment, the longest portion MM of the pad 1 is located in front of the high-rigidity region H, and the narrowest portion NN is in the center in the front-rear direction.

[0097] It is preferable that the longest portion MM is provided with a 21st adhesive portion 21. By providing the 21st adhesive portion 21 on the longest portion MM on the front side of the pad 1, the portion with the longest width can be fixed to the clothing and made to follow the clothing, thereby reducing the risk of the pad 1 shifting or deforming when worn, and reducing discomfort to the wearer.

[0098] Furthermore, it is preferable that at the narrowest point NN, 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 NN. At the narrowest point NN, 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, and at the narrowest point NN, there is no adhesive portion 3 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 less likely to be fixed to the clothing and more likely to deform, protruding towards the skin. Therefore, even when force is applied to the pad 1 from the outside in the width direction towards the skin, it becomes easier to deform the pad 1 into a shape that conforms to the wearer's body (W shape), making it easier to fit the wearer's body.

[0099] Regarding the side adhesive area 20, it is preferable that at least a portion of the side adhesive area 20 is provided outside the front and rear compression sections 71 in the width direction. The front and rear compression sections 71 encourage the pad 1 to deform into a desired shape, such as bending along the front and rear direction, making it easier to fit the pad 1 to the wearer's body. At the same time, the side adhesive area 20, provided outside the front and rear compression sections 71 in the width direction, makes it easier for the pad 1 to follow the clothing. As a result, when the clothing is returned to its original position after deformation of the clothing and pad 1 has occurred while worn, 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 in the width direction outward, 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, it is easier to reduce discomfort for the wearer.

[0100] 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, in this embodiment, 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 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 portions of 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.

[0101] This makes it easier to deform the pad 1 into the desired shape using the front and rear compression sections 71, making it easier to fit to the wearer's body. At the same time, 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 restorative force of the garment makes it easier for the front of the front and rear compression sections 71, the 11th adhesive section 11 and the 21st adhesive section 21, to return the deformation and position of the pad 1 to its original state. By returning the pad 1 to a state close to its original state, discomfort for the wearer is reduced.

[0102] 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 is easily bent along the width direction, but is not easily bent along the front-to-back direction which is substantially 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 the pad 1 bending along the front-to-back direction and the 11th adhesive portions 11 (11a, 11b) adhering to each other can be further reduced.

[0103] 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 the pad 1 with such a multilayer absorbent, the first absorbent core 41 has a higher basis weight (g / m²) of superabsorbent polymer (SAP) than the second absorbent core 51. 2 It is preferable that there are many of these, 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.

[0104] The first absorbent core 41 absorbs more absorbent polymer (SAP) than the second absorbent core 51 (in terms of basis weight (g / m²)). 2 The abundance of ) allows for a thinner first absorbent core 41, and because superabsorbent polymers (SAPs) tend to absorb more slowly than liquid-absorbing 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 located on the non-skin side of the first absorbent core 41. However, when the pad is worn, it absorbs excrement (liquid), causing the superabsorbent polymer (SAP) of the first absorbent core 41 on the skin side to swell, further increasing the rigidity of the high-rigidity region H, 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, further increasing the rigidity of the high-rigidity region H, making it harder to conform to the wearer's body, and potentially causing the adhesion between the part 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 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, which at least overlaps with the high-rigidity region H in plan view, and the clothing, and makes it easier to maintain the state in which the pad 1 is fixed to the clothing.

[0105] 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.

[0106] 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 the pad 1 being excessively compressed in the front-to-back direction by the elastic thread 62 is reduced, thereby reducing the risk of the pad 1 shifting out of position relative to the clothing or deforming due to excessive compression in the front-to-back direction of the pad 1.

[0107] The pad 1 is configured with elastic material that stretches in the front-to-back direction as the elastic thread 62 that holds the leg side gathers 60 upright, but is not limited to this. 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 outwards 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 shaping the cross-section of the first absorbent 40 and the second absorbent 50 in a tray-like manner when viewed along the front-to-back direction of the pad 1, it becomes easier to suppress leakage of excrement to the outside in the width direction of the pad 1.

[0108] ===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 along 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.

[0109] 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.

[0110] 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, while 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, and is detachably attached to the adhesive portion 3 of the napkin 10. In the packaged state, it is fixed so as to be separable from the adhesive portion 3, and when the pad 1 is used, it is removed in the same way as the packaging material 101.

[0111] The "unfolded" packaging 100 refers to the state in which the packaging 100 in its unfolded state is opened and the unfoldable parts of the folded portions of the packaging material 101 and pad 1 are unfolded, as shown in Figure 7. The "packaged" packaging 100 refers to the state in which a predetermined part of the unfolded packaging 100 is folded with the skin-side sheet facing inward at the first fold line F1 and the second fold line F2, and the packaging material 101 is sealed by joining both ends in the width direction by welding or the like.

[0112] 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 at the very front, and the second fold line F2 is the rear fold line located at the very back.

[0113] Since pad 1 has thickness, the fold lines F1 and F2 are 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 center lines of the fold lines F1 and F2. Specifically, when a weight (e.g., 200g) is placed on the plane of the package 100 via a plate larger than the plane of the folded package 100, the position where the package 100 protrudes the most is obtained as the center lines of the fold lines F1 and F2. The maximum thickness t of the package 100 (pad 1 + packaging material 101) at the fold lines F1 and F2 is defined as this. In this case, the regions πt / 2 away from the center lines 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.

[0114] 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 necessary to have a release sheet 102.

[0115] In the unfolded state, when the packaging 100 is viewed from above in the thickness direction, it is preferable that the first fold line portion F1 has a portion that overlaps with the high-rigidity region H, and that at least a part of the 21st adhesive portion 21 is provided in front of the first fold line portion 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 portion 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 provided in front of the first fold line portion F1.

[0116] 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 part, so 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 creases. Even if a crease is formed in the pad 1 by the first fold line F1 and deformation of the pad 1 occurs when worn, 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 when worn. As a result, the deformation of the pad 1 is more easily restored to its original state in accordance with the restorative force of the clothing, thus reducing discomfort for the wearer.

[0117] 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. As shown in Figure 7, in the packaging 100 of this embodiment, 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 packaged body 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 packaged body 100, can be reduced.

[0118] ===Variations of the First Embodiment=== Figure 8 is a plan view of pad 1A, a modified example of the first embodiment, as seen from the non-skin side, and Figure 9 is a plan view of pad 1B, a modified example of the first embodiment, 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 with reference to Figures 8 and 9, mainly highlighting the differences from the first embodiment. 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.

[0119] <<<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).

[0120] Regarding pad 1A, when pad 1A is viewed in plan in the thickness direction, the 11th adhesive portion 11 located in front of the center CC 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 1A is viewed in plan in the thickness direction, the 21st adhesive portion 21 located in front of the center CC in the front-rear direction within the side adhesive region 20 and on one side of the center XX in the width direction 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. As a result, even if the adhesive parts 3 on the non-skin side of the pad 1 adhere to each other when worn, it is easier to separate the adhesive parts 3 from each other than in the case where there is no non-adhesive part 31. At the same time, the adhesion of the 21st adhesive part 21, which overlaps with the low-rigidity region L, to the clothing improves the conformability of the pad 1A to the clothing. Even if the clothing and pad 1A are deformed, the restorative force of the clothing can be used to easily restore the deformation of the 11th adhesive part 11, which overlaps with the high-rigidity region, making it easier to restore the deformation of the front side and one side in the width direction of the pad 1A, thereby reducing discomfort to the wearer and the risk of leakage of excrement.

[0121] As with pad 1A, the shape and number of the central adhesive area 10 and the 11th adhesive portion 11 can be arbitrarily changed. Also, in pads 1 and 1A, the non-adhesive portion 31 is rectangular in shape and is located in the center in the front-to-back direction and in the center in the width direction, but it is not limited to this. The non-adhesive portion 31 may be any shape and located in any position. However, by locating the non-adhesive portion 31 in the center in the front-to-back direction and in the center in the width direction, the risk of the 11th adhesive portion 11 adhering to each other is reduced, and even if the 11th adhesive portion 11 adheres to each other, it becomes easier to separate the adhesion.

[0122] <<<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.

[0123] 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 CC 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 CC in the front-rear direction and on one side of the center XX 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. As a result, even if the adhesive parts 3 on the non-skin side of the pad 1 adhere to each other when worn, it is easier to separate the adhesive parts 3 from each other than in the case where there is no non-adhesive part 31. At the same time, the adhesion of the 21st adhesive part 21, which overlaps with the low-rigidity region L, to the clothing improves the conformability of the pad 1A to the clothing. Even if the clothing and pad 1A are deformed, the restorative force of the clothing can be used to easily restore the deformation of the 11th adhesive part 11, which overlaps with the high-rigidity region, making it easier to restore the deformation of the front side and one side in the width direction of the pad 1A, thereby reducing discomfort to the wearer and the risk of leakage of excrement.

[0124] 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, the portions Da and Db of the adhesive portion 3 that overlap with the high-rigidity region H in front of the central CC 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), and the 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. The portion F that is continuous in the width direction with the one-side adhesive portion 11a is both the 21st adhesive portion 21 and the 11th adhesive portion 11. The portion G that is continuous in the front-rear direction with the one-side adhesive portion 11a and continuous in the width direction with the 21st adhesive portion 21 is both the 11th adhesive portion 11 and the 21st adhesive portion 21.

[0125] The embodiments of the present invention have been described above, but these embodiments are intended 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 the present invention includes equivalents thereof.

[0126] In the embodiments described above, 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 absorbent fibers) and a superabsorbent polymer (SAP), but the embodiments are not limited thereto. For example, the first absorbent core 41 may contain liquid absorbent fibers or be composed solely of liquid absorbent fibers, and the second absorbent core 51 may have pulp fibers and not contain a superabsorbent polymer (SAP), or may be composed solely of a superabsorbent polymer (SAP).

[0127] In the above-described embodiment, the absorber 2 is a multilayer absorber, but it is not limited to this. The absorber 2 may not have multiple absorbent cores stacked in the thickness direction, but may have a single absorbent core. When the absorber 2 has a single absorbent core, the part 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 has liquid-absorbing fibers, and the central part in the width direction and the central part in the front-to-back direction of the absorbent core is designated as the high-rigidity region H, then the rigidity of the low-rigidity region L may be made lower than the rigidity of the high-rigidity region H by making the basis weight of the liquid-absorbing fibers in the low-rigidity region L less than the basis weight of the liquid-absorbing fibers in the high-rigidity region H.

[0128] 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.

[0129] In the pad 1 of the first embodiment described above, one side end of the 11th adhesive portion 11a on one side in the width direction is provided on the other side of one side end of the high-rigidity region H in the width direction, and the 11th adhesive portion 11a on one side is provided inside the high-rigidity region H in the width direction, but the pad is not limited to this. The outermost side end of the 11th adhesive portion 11 in the width direction is provided on one side of 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 have a portion that overlaps with the low-rigidity region L on the outside of one side of the high-rigidity region H in the width direction.

[0130] 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. As a result, the restorative force of the clothing, which has been compressed in the width direction, returns to its original position and shape, and the 11th adhesive portion 11, which overlaps with the low-rigidity region L, becomes continuous with the portion that overlaps 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 makes it 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.

[0131] Furthermore, the other side end of the 21st adhesive portion 21 in the width direction may be provided on the other side of the one 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 may have a portion that overlaps with the low-rigidity region L on the inside of one side of the high-rigidity region H in the width direction.

[0132] 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 garment. Due to the restorative force that returns the garment, which has been compressed in the width direction, to its original position and shape, the 21st adhesive portion 21, which overlaps with the high-rigidity region H, continues to extend to 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 makes it easier 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.

[0133] 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, and a region is provided in which the high-rigidity region H and the 21st adhesive portion 21 overlap in a plan view, but it 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. [Explanation of symbols]

[0134] 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 absorber, 51 Second absorbent core, 52 Second skin-side core wrap, 53 Second non-skin-side core wrap, 54 back seats, 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 12th adhesive portion on one side, 12b 12th adhesive portion on the other side, 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 area, L Low rigidity area

Claims

1. 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.

2. 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.

3. 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.

4. 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.

5. 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.

6. 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.

7. 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.

8. 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.

9. 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.

10. 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.

11. 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.

12. 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 one side further to the side than the one 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.

13. 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 inner side of the high-rigidity region in the width direction.

14. 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.

15. 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.

16. 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.

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