Underpants-type absorbent article, underpants-type absorbent article packaging body, absorbent pad, and absorbent pad packaging body
By introducing the underwear deformation guide part into the underwear-shaped absorbent article, the absorbent core and the protruding part of the absorbent pad are deformed and matched, and the problems of poor fit and increased rigidity of the absorbent article during use are solved, thereby achieving better fit and comfort.
Patent Information
- Application Number
- CN202380053048.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Priority Date
- 2022-07-15
- Filing Date
- 2023-06-27
- Publication Date
- 2025-02-28
- Estimated Expiration
- 2043-06-27
AI Technical Summary
During use, existing absorbent items are prone to poor fit and increased rigidity due to mismatch in deformation, which affects the wearer's comfort.
A panty-shaped absorbent article is designed, including an absorbent core and a panty-deformed guide. When superimposed with an absorbent pad, the panty-deformed guide deforms the absorbent core into a protruding shape so as to contact with the protruding portion of the absorbent pad to form a larger and more stable protruding portion, improve fit and reduce rigidity.
Through the design of the deformation guide, the absorbent article and the protruding portion of the absorbent pad are cooperated with each other, improving the fit to the wearer and reducing the rigidity felt by the wearer.
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Abstract
Description
Technical Field
[0001] The present invention relates to a pant-shaped absorbent article, a pant-shaped absorbent article package, an absorbent pad and an absorbent pad package. Background Art
[0002] In disposable diapers, the use of disposable diapers and inner pads in combination with each other has become widespread in order to, for example, eliminate the need to frequently change disposable diapers. In Patent Document 1, in order to quickly and reliably attach an inner pad at an appropriate position in a disposable diaper, marks for attachment positioning are provided on the disposable diaper and the inner pad.
[0003] Prior art literature
[0004] Patent Literature
[0005] Patent Document 1: Japanese Patent Application Publication No. 2003-93438 Summary of the invention
[0006] Problem that the invention aims to solve
[0007] For absorbent articles, there is known a technique for improving leakage prevention and improving fit by deforming the absorbent body into a predetermined shape, such as by bending when worn. However, Patent Document 1 only describes providing a mark for quickly and reliably attaching the pad and disposable diaper to the appropriate position. Therefore, during use in which the inner pad (absorbent pad) is stacked on the inside of the disposable diaper (underpants-shaped absorbent article), there is a risk that the disposable diaper and the inner pad will deform differently from each other. Therefore, concavities and convexities are formed at different positions on the disposable diaper and the absorbent pad and overlap each other in the thickness direction, which leads to an increase in rigidity felt by the wearer and eliminates the ideal deformation that conforms to the wearer's body, resulting in poor fit to the wearer's body.
[0008] The present invention has been made in view of the above problems, and an object of the present invention is to improve the fit to the wearer when the absorbent pad is superimposed on the inside of a pant-shaped absorbent article while also alleviating the rigidity felt by the wearer.
[0009] Solutions for solving problems
[0010] The main invention for achieving the above-mentioned purpose is a pant-shaped absorbent article, which has a longitudinal direction and a width direction in an unfolded state, and the pant-shaped absorbent article includes: an absorbent core; and a pant deformation guide portion, which is located on the inner side of the outer edge of the absorbent core of the pant-shaped absorbent article, when an absorbent pad having a longitudinal direction and a width direction in an unfolded state and including an absorbent core is arranged on the skin side surface of the pant-shaped absorbent article and is worn, the pant deformation guide portion deforms the absorbent core of the pant-shaped absorbent article into a protruding shape protruding toward the skin side so as to contact the protruding portion of the absorbent pad, wherein in the protruding portion of the absorbent pad, the absorbent core of the absorbent pad is deformed in the crotch portion into a protruding shape protruding toward the skin side.
[0011] Other features of the present invention will become apparent from the following detailed description of the present invention and the accompanying drawings.
[0012] Effects of the Invention
[0013] According to the present invention, when the absorbent pad is stacked on the inside of a pant-shaped absorbent article, the fit to the wearer can be improved while also alleviating the rigidity felt by the wearer. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] [ Figure 1 ] Figure 1 1 is a schematic perspective view of a disposable diaper 1 in the form of a pant.
[0015] [ Figure 2 ] Figure 2 It is a plan view of the diaper 1 in the unfolded and stretched state.
[0016] [ Figure 3 ] Figure 3 It is along Figure 2 Schematic cross-sectional view taken along line CC in FIG.
[0017] [ Figure 4 ] Figure 4 It is a plan view of the urine pad 2 in the unfolded and stretched state as viewed from the skin side.
[0018] [ Figure 5 ] Figure 5 A is along Figure 4 A schematic cross-sectional view taken along line AA in FIG. Figure 5 B is along Figure 4 A schematic cross-sectional view taken along line BB in FIG. Figure 5 C is along Figure 4 Schematic cross-sectional view taken along line CC in FIG.
[0019] [ Figure 6 ] Figure 6is a schematic perspective view showing how the pad 2 is attached to the inside of the diaper 1 .
[0020] [ Figure 7 ] Figure 7 A is a schematic diagram of a package 201 of a diaper 1, Figure 7 B is a schematic diagram of the packaging body 202 of the pad 2.
[0021] [ Figure 8 ] Figure 8 2 is a schematic cross-sectional view showing a wearing state of a diaper 1 ′ according to a comparative example and a pad 2 ′ according to a comparative example.
[0022] [ Fig. 9 ] Fig. 9 A is a schematic cross-sectional view showing a wearing state of the diaper 1 of the present embodiment and the pad 2 of the present embodiment, Fig. 9 B is a schematic diagram showing the protrusions T1 and T2 formed in the diaper 1 and the pad 2 .
[0023] [ Fig.10 ] Fig.10 is a schematic plan view showing the diaper 1 and the pad 2 superimposed thereon in an unfolded and extended state.
[0024] [ Fig.11 ] Fig.11 It shows that Fig.10 Figures of the absorbent cores 31, 411 and 421 in the shown states.
[0025] [ Fig.12 ] Fig.12 A and Fig.12 B is a schematic diagram of a modification of the absorbent cores 31 , 411 , and 421 .
[0026] [ Fig.13 ] Fig.13 A to Fig.13 C is a schematic diagram of the test method for the specified deformation direction.
[0027] [ Fig.14 ] Fig.14 A and Fig.14 B is a schematic diagram of the test method for the specified deformation direction.
[0028] [ Fig.15 ] Fig.15 A to Fig.15 C is a graph showing the deformation direction specification test results.
[0029] [ Fig.16 ] Fig.16 Test results regarding stiffness during wearing are shown. DETAILED DESCRIPTION
[0030] At least the following contents will become apparent from the description of this specification and the accompanying drawings.
[0031] Aspect 1 is a pant-shaped absorbent article having a longitudinal direction and a width direction in an unfolded state, the pant-shaped absorbent article comprising: an absorbent core; and a pant deformation guide portion located on the inner side of the outer edge of the absorbent core of the pant-shaped absorbent article, when an absorbent pad having a longitudinal direction and a width direction in an unfolded state and comprising an absorbent core is worn on the skin side surface of the pant-shaped absorbent article, the pant deformation guide portion deforms the absorbent core of the pant-shaped absorbent article into a protruding shape protruding toward the skin side so as to contact the protruding portion of the absorbent pad, wherein in the protruding portion of the absorbent pad, the absorbent core of the absorbent pad is deformed in the crotch portion into a protruding shape protruding toward the skin side.
[0032] According to aspect 1, at least a portion of the protrusion of the pant-shaped absorbent article fits inside the protrusion of the absorbent pad, so the protrusion of the absorbent pad and the protrusion of the pant-shaped absorbent article help each other to deform, and form a larger and more stable protrusion. Therefore, the fit to the crotch of the wearer is improved. In addition, due to the formation of the protrusion, the pant-shaped absorbent article and the absorbent pad are folded in the width direction, so that their widths are reduced, thereby making it possible to reduce the feeling of rigidity.
[0033] Aspect 2 is a pant-shaped absorbent article having a longitudinal direction, a width direction and a thickness direction in an unfolded state, the pant-shaped absorbent article comprising: an absorbent core; and a pant deformation guide portion, which is located on the inner side of the outer edge of the absorbent core of the pant-shaped absorbent article, when an absorbent pad having a longitudinal direction, a width direction and a thickness direction in an unfolded state and including an absorbent core is worn on the skin side surface of the pant-shaped absorbent article, the pant deformation guide portion deforms the absorbent core of the pant-shaped absorbent article so that in a deformation-direction specification test for specifying the deformation direction, the deformation direction of the pant-shaped absorbent article in the thickness direction of the pant-shaped absorbent article matches the deformation direction of the absorbent pad in the thickness direction of the absorbent pad with a probability of 75% or greater.
[0034] According to aspect 2, the probability that the pant-shaped absorbent article and the absorbent pad will hinder each other's deformation is lower than that of the pant-shaped absorbent article whose probability of deformation direction being the same as that of the absorbent pad in the deformation direction specification test is less than 75%. This increases the probability that protrusions having similar shapes are formed at the same position in the pant-shaped absorbent article and the absorbent pad, and improves the fit to the crotch of the wearer. In addition, due to the formation of the protrusions, the pant-shaped absorbent article and the absorbent pad are folded in the width direction, so that their width is reduced, thereby making it possible to reduce the feeling of rigidity.
[0035] Aspect 3 is a pant-shaped absorbent article having a longitudinal direction and a width direction in an unfolded state, the pant-shaped absorbent article comprising: an absorbent core, an absorbent pad capable of being placed on the skin side surface of the pant-shaped absorbent article, the absorbent pad having a longitudinal direction and a width direction in the unfolded state, the absorbent pad comprising an absorbent core, the absorbent pad comprising a pad deformation guide in a prescribed area of six areas equally divided in the longitudinal direction in an unfolded and stretched state, the pant-shaped absorbent article also comprising at least a portion of the pant deformation guide in the following area of the pant-shaped absorbent article: when the pant-shaped absorbent article and the absorbent pad are in an unfolded and stretched state and are configured so that the centers of the pant-shaped absorbent article and the absorbent pad in the longitudinal direction and the width direction are aligned, the area of the pant-shaped absorbent article overlaps with the prescribed area of the absorbent pad in a plan view, and the pant deformation guide deforms the absorbent core of the pant-shaped absorbent article.
[0036] According to aspect 3, when the absorbent pad is stacked on the inside of the panty-shaped absorbent article and is worn, the pad deformation guide and the panty deformation guide are easily positioned in the same area. Therefore, in the panty-shaped absorbent article and the absorbent pad, the protrusions having a desired shape are easily formed at the same position by the corresponding deformation guides, and the fit to the crotch of the wearer is improved. In addition, due to the formation of the protrusions, the panty-shaped absorbent article and the absorbent pad are folded in the width direction, so that their widths are reduced, thereby making it possible to reduce the feeling of rigidity.
[0037] Aspect 4 is a pant-shaped absorbent article according to Aspect 3, wherein, when the pant-shaped absorbent article and the absorbent pad are in an unfolded and stretched state and are configured so that the centers of the pant-shaped absorbent article and the absorbent pad in the longitudinal direction and the width direction are aligned, the pant deformation guide has an area overlapping with the pad deformation guide in a plan view.
[0038] According to aspect 4, when the absorbent pad is superimposed on the inside of a pant-shaped absorbent article and is worn, the pad deformation guide and the pant deformation guide are even more easily positioned in the same area.
[0039] Aspect 5 is a panty-shaped absorbent article according to any one of Aspects 1 to 4, wherein the panty deformation guide portion includes two pairs of deformation guide areas spaced apart in the longitudinal direction; each pair of the deformation guide areas includes two deformation guide areas inclined to extend toward the center from the corresponding ends in the width direction of the absorbent core of the panty-shaped absorbent article while extending toward the outside in the longitudinal direction.
[0040] According to aspect 5, the deformation guide area is used as the folding starting point of the absorbent core, and the absorbent core is easily bulged into a dome shape between a pair of deformation guide areas on one side in the longitudinal direction and a pair of deformation guide areas on the other side in the longitudinal direction, and the fit to the wearer's crotch is improved.
[0041] Aspect 6 is a panty-shaped absorbent article according to Aspect 5, wherein the absorbent pad includes a pad deformation guide portion configured to deform the absorbent core of the absorbent pad, the pad deformation guide portion includes two pairs of deformation guide areas spaced apart in the longitudinal direction, each pair of the deformation guide areas includes two deformation guide areas inclined to extend toward the outside in the longitudinal direction while extending from the corresponding ends in the width direction of the absorbent core of the absorbent pad toward the center, and when the panty-shaped absorbent article and the absorbent pad are in an unfolded and extended state and are configured so that the centers of the panty-shaped absorbent article and the absorbent pad in the longitudinal direction and the width direction are aligned, on each side in the longitudinal direction, the inner ends of the tops of a pair of the deformation guide areas of the panty deformation guide portion are positioned relative to the longitudinal direction in any of the following positioning methods: outside the inner ends of the tops of a pair of the deformation guide areas of the pad deformation guide portion; and aligned with the inner ends of the tops of a pair of the deformation guide areas of the pad deformation guide portion.
[0042] According to aspect 6, in the underpants-shaped absorbent article, it is easy to form a dome-shaped protrusion that is long in the longitudinal direction. Therefore, the protrusion of the underpants-shaped absorbent article easily pushes the absorbent pad upward, and the protrusion is easily formed in the absorbent pad.
[0043] Aspect 7 is a panty-shaped absorbent article according to Aspect 5, wherein the absorbent pad includes a pad deformation guide portion configured to deform the absorbent core of the absorbent pad, the pad deformation guide portion includes two pairs of deformation guide areas spaced apart in the longitudinal direction, each pair of the deformation guide areas includes two deformation guide areas inclined to extend toward the outside in the longitudinal direction while extending from the corresponding ends in the width direction of the absorbent core of the absorbent pad toward the center, and when the panty-shaped absorbent article and the absorbent pad are in an unfolded and extended state and are configured so that the centers of the panty-shaped absorbent article and the absorbent pad in the longitudinal direction and the width direction are aligned, on each side in the longitudinal direction, the inner ends of the tops of a pair of the deformation guide areas of the panty deformation guide portion are located on the inner side of the inner ends of the tops of a pair of the deformation guide areas of the pad deformation guide portion relative to the longitudinal direction.
[0044] According to aspect 7, in the panty-shaped absorbent article, it is easy to form a dome-shaped protrusion that is short in the longitudinal direction. Therefore, the protrusion of the panty-shaped absorbent article is easy to fit inside the protrusion of the absorbent pad, and the positional deviation of the protrusion of the absorbent pad in the longitudinal direction can be suppressed.
[0045] Aspect 8 is a panty-shaped absorbent article according to any one of Aspects 1 to 7, wherein the panty deformation guide portion includes a central deformation guide portion, the central deformation guide portion extends along the longitudinal direction in the central portion of the panty-shaped absorbent article relative to the longitudinal direction and the width direction, and the basis weight of the absorbent core of the panty-shaped absorbent article is lower in the central deformation guide portion than in an area adjacent to the central deformation guide portion on the outside in the width direction.
[0046] According to aspect 8, the absorbent core is folded in the width direction along the central deformation guide, so that the width of the absorbent core is reduced, thereby making it possible to reduce rigidity. In addition, the excrement can be quickly sucked into the absorbent core through the central deformation guide (which is a low basis weight portion).
[0047] Aspect 9 is a panty-shaped absorbent article according to any one of Aspects 1 to 8, further comprising: a panty alignment indication portion visible from the skin side surface, wherein the absorbent pad includes a pad alignment indication portion visible from the skin side surface, and when the panty-shaped absorbent article and the absorbent pad are in an unfolded and extended state and are configured so that the centers of the panty-shaped absorbent article and the absorbent pad in the longitudinal direction and the width direction are aligned, the panty alignment indication portion has an area overlapping with the pad alignment indication portion in a plan view.
[0048] According to aspect 9, when worn, the underwear-shaped absorbent article and the absorbent pad are easily overlapped with each other at appropriate positions, that is, for example, protrusions with similar shapes are easily formed at the same positions in the underwear-shaped absorbent article and the absorbent pad, and the fit to the wearer's crotch is improved.
[0049] Aspect 10 is a pant-shaped absorbent article according to any one of Aspects 1 to 9, wherein the pant-shaped absorbent article further comprises a joining member, the joining member being arranged on the skin side surface and being configured to join the absorbent pad, and the joining member being located on the outside in the longitudinal direction of the pant deformation guide portion.
[0050] According to aspect 10, it is possible to prevent the engaging member from interfering with the deformation of the absorbent core guided by the pants deformation guiding portion.
[0051] Aspect 11 is a panty-shaped absorbent article according to any one of Aspects 1 to 10, wherein the absorbent core of the panty-shaped absorbent article includes a contraction portion, which is located between the two end portions in the longitudinal direction and has a width in the width direction that is narrower than the two end portions, and the panty deformation guide portion has a portion overlapping with the contraction portion in the longitudinal direction.
[0052] According to aspect 11, the wearer's leg closing force is easily transmitted at the contraction portion, the absorbent core is easily deformed into a desired shape due to the underwear deformation guide portion, and the fit to the wearer's crotch is improved.
[0053] Aspect 12 is a panty-shaped absorbent article according to any one of Aspects 1 to 11, wherein the absorbent core of the panty-shaped absorbent article includes an end deformation guide portion in an end portion on at least one side closer to the longitudinal direction than the panty deformation guide portion, and the end deformation guide portion extends along the longitudinal direction and is configured to serve as a deformation starting point.
[0054] According to aspect 12, the absorbent core is easily folded in the width direction from the end deformation guide extending in the longitudinal direction, and the absorbent core can easily conform to the curves of the wearer's groin (lower abdomen) and buttocks, thereby improving the fit to the wearer.
[0055] Aspect 13 is a panty-shaped absorbent article according to Aspect 12, wherein a pair of end deformation guide portions are arranged in the corresponding side portions in the width direction at the ends of the absorbent core, and a pair of end deformation guide portions extend outward from the central side in the longitudinal direction while inclining outward in the width direction.
[0056] According to aspect 13, the absorbent core is easily deformed into a shape similar to that extending from the crotch of the wearer to the groin (lower abdomen) and buttocks. Therefore, the absorbent core can easily conform to the curves of the wearer's groin (lower abdomen) and buttocks. Therefore, the fit to the wearer is improved.
[0057] Aspect 14 is a panty-shaped absorbent article according to Aspect 12 or Aspect 13, wherein the absorbent core of the absorbent pad includes: a pad deformation guide portion; and an end deformation guide portion, which is located in an end portion on at least one side of the pad deformation guide portion in the longitudinal direction, the end deformation guide portion extends in the longitudinal direction and is configured to serve as a deformation starting point, and when the panty-shaped absorbent article and the absorbent pad are in an unfolded and extended state and are configured so that the centers of the panty-shaped absorbent article and the absorbent pad in the longitudinal direction and the width direction are aligned, the end deformation guide portion of the panty-shaped absorbent article has an area overlapping with the end deformation guide portion of the absorbent pad in a plan view.
[0058] According to aspect 14, the absorbent core of the underpants-shaped absorbent article and the absorbent core of the absorbent pad are easily folded in a similar manner with the end deformation guides located at the same or nearby positions serving as folding starting points. Therefore, compared with the case where the absorbent cores are deformed independently of each other, the absorbent core of the underpants-shaped absorbent article and the absorbent core of the absorbent pad are both more easily deformed to conform to the shape of the wearer's groin (lower abdomen) and buttocks.
[0059] Aspect 15 is a pant-shaped absorbent article according to any one of Aspects 1 to 14, wherein, in an unfolded and stretched state, the length in the width direction of the absorbent core of the pant-shaped absorbent article at the center in the longitudinal direction of the pant-shaped absorbent article is less than or equal to the length in the width direction of the absorbent core of the absorbent pad at the center in the longitudinal direction of the absorbent pad in an unfolded and stretched state.
[0060] According to aspect 15, a dome-shaped protrusion that is short in the width direction is easily formed in a pant-shaped absorbent article. Therefore, the protrusion of the pant-shaped absorbent article is easily fitted inside the protrusion of the absorbent pad, and positional deviation of the protrusion of the absorbent pad in the width direction can be suppressed.
[0061] Aspect 16 is a packaging body for a panty-shaped absorbent article, comprising: a packaging body, which accommodates the panty-shaped absorbent article according to any one of Aspects 1 to 15, the packaging body comprising: a brand display portion, which displays the brand name shared by the panty-shaped absorbent article and the absorbent pad; and a logo display portion, which is used to distinguish between the panty-shaped absorbent article and the absorbent pad.
[0062] According to aspect 16, the brand display portion makes it easier to select and use the panty-shaped absorbent article with the panty deformation guide and the absorbent pad with the pad deformation guide in a group. Therefore, the absorbent core is easily deformed into a desired shape due to the deformation guide, the fit to the crotch of the wearer is improved, and the feeling of rigidity can be alleviated. On the other hand, the logo display portion can prevent mistakes when purchasing panty-shaped absorbent articles and absorbent pads.
[0063] Aspect 17 is an absorbent pad having a longitudinal direction and a width direction in an unfolded state, the absorbent pad comprising: an absorbent core; and a pad deformation guide portion located on the inner side of the outer edge of the absorbent core of the absorbent pad, when the absorbent pad is worn in a state in which it is configured on the skin side surface of an underwear-shaped absorbent article, wherein the underwear-shaped absorbent article has a longitudinal direction and a width direction in the unfolded state and comprises the absorbent core, the pad deformation guide portion deforms the absorbent core of the absorbent pad into a protruding shape protruding toward the skin side so as to contact the protruding portion of the underwear-shaped absorbent article, wherein in the protruding portion of the underwear-shaped absorbent article, the absorbent core of the underwear-shaped absorbent article is deformed into a protruding shape protruding toward the skin side in the crotch portion.
[0064] According to aspect 17, at least a portion of the protrusion of the pant-shaped absorbent article fits inside the protrusion of the absorbent pad, and thus the protrusion of the absorbent pad and the protrusion of the pant-shaped absorbent article contribute to each other's deformation, and form a larger and more stable protrusion. Therefore, the fit to the crotch of the wearer is improved. In addition, due to the formation of the protrusion, the pant-shaped absorbent article and the absorbent pad are folded in the width direction, so that their widths are reduced, thereby making it possible to reduce the feeling of rigidity.
[0065] Aspect 18 is an absorbent pad which has a longitudinal direction, a width direction and a thickness direction in an unfolded state, the absorbent pad comprising: an absorbent core; and a pad deformation guide portion which is located on the inner side of the outer edge of the absorbent core of the absorbent pad, after the absorbent pad is worn in a state where it is configured on the skin side surface of an underwear-shaped absorbent article, wherein the underwear-shaped absorbent article has a longitudinal direction, a width direction and a thickness direction in an unfolded state and comprises the absorbent core, the pad deformation guide portion deforms the absorbent core of the absorbent pad so that in a deformation direction specifying test for specifying the deformation direction, the deformation direction of the absorbent pad in the thickness direction of the absorbent pad matches the deformation direction of the underwear-shaped absorbent article in the thickness direction of the underwear-shaped absorbent article with a probability of 75% or greater.
[0066] According to aspect 18, the probability that the pant-shaped absorbent article and the absorbent pad will hinder each other's deformation is lower than that of the absorbent pad whose probability of deformation direction being the same as that of the pant-shaped absorbent article in the deformation direction specification test is less than 75%. This increases the probability that protrusions having similar shapes are formed at the same position in the pant-shaped absorbent article and the absorbent pad, and improves the fit to the crotch of the wearer. In addition, due to the formation of the protrusions, the pant-shaped absorbent article and the absorbent pad are folded in the width direction, so that their width is reduced, thereby making it possible to reduce the feeling of rigidity.
[0067] Aspect 19 is an absorbent pad having a longitudinal direction and a width direction in an unfolded state, the absorbent pad comprising: an absorbent core, the absorbent pad being capable of being placed on the skin side surface of a pant-shaped absorbent article, the pant-shaped absorbent article having a longitudinal direction and a width direction in an unfolded state, the pant-shaped absorbent article comprising an absorbent core, the pant-shaped absorbent article comprising a pant deformation guide in a prescribed area of six areas equally divided in the longitudinal direction in an unfolded and stretched state, the absorbent pad also comprising at least a portion of the pad deformation guide in the following area: when the pant-shaped absorbent article and the absorbent pad are in an unfolded and stretched state and are configured so that the centers of the pant-shaped absorbent article and the absorbent pad in the longitudinal direction and the width direction are aligned, the area overlaps with the prescribed area of the pant-shaped absorbent article in a plan view, the pad deformation guide deforms the absorbent core of the absorbent pad.
[0068] According to aspect 19, when the absorbent pad is stacked on the inside of the panty-shaped absorbent article and is worn, the pad deformation guide and the panty deformation guide are easily positioned in the same area. Therefore, in the panty-shaped absorbent article and the absorbent pad, the protrusion having a desired shape is easily formed at the same position by the corresponding deformation guide, and the fit to the crotch of the wearer is improved. In addition, due to the formation of the protrusion, the panty-shaped absorbent article and the absorbent pad are folded in the width direction, so that their width is reduced, thereby making it possible to reduce the feeling of rigidity.
[0069] Aspect 20 is an absorbent pad according to Aspect 19, wherein, when the underwear-shaped absorbent article and the absorbent pad are in an unfolded and stretched state and are configured so that the centers of the underwear-shaped absorbent article and the absorbent pad in the longitudinal direction and the width direction are aligned, the pad deformation guide portion has an area overlapping with the underwear deformation guide portion in a plan view.
[0070] According to aspect 20, when the absorbent pad is superimposed on the inside of a pant-shaped absorbent article and is worn, the pad deformation guide and the pant deformation guide are even more easily positioned in the same area.
[0071] Aspect 21 is an absorbent pad according to any one of Aspects 17 to 20, wherein the pad deformation guide portion includes two pairs of deformation guide areas spaced apart in the longitudinal direction, and each pair of the deformation guide areas includes two deformation guide areas inclined to extend toward the center from the corresponding ends in the width direction of the absorbent core of the absorbent pad while extending toward the outside in the longitudinal direction.
[0072] According to aspect 21, the deformation guide area is used as the folding starting point of the absorbent core, and the absorbent core is easy to bulge into a dome shape between a pair of deformation guide areas on one side in the longitudinal direction and a pair of deformation guide areas on the other side in the longitudinal direction, and is easy to come into close ground contact with the crotch of the wearer, and the fit is improved.
[0073] Aspect 22 is an absorbent pad according to Aspect 21, wherein the underwear-shaped absorbent article includes an underwear deformation guide portion configured to deform the absorbent core of the underwear-shaped absorbent article, the underwear deformation guide portion includes two pairs of deformation guide areas spaced apart along the longitudinal direction, each pair of the deformation guide areas includes two deformation guide areas inclined to extend toward the outside in the longitudinal direction while extending toward the center from the corresponding ends in the width direction of the absorbent core of the underwear-shaped absorbent article, and when the underwear-shaped absorbent article and the absorbent pad are in an unfolded and stretched state and are configured so that the centers of the underwear-shaped absorbent article and the absorbent pad in the longitudinal direction and the width direction are aligned, on each side in the longitudinal direction, the inner ends of the tops of a pair of the deformation guide areas of the underwear deformation guide portion are positioned relative to the longitudinal direction in any of the following positioning methods: outside the inner ends of the tops of a pair of the deformation guide areas of the pad deformation guide portion; and aligned with the inner ends of the tops of a pair of the deformation guide areas of the pad deformation guide portion.
[0074] According to aspect 22, a dome-shaped protrusion that is long in the longitudinal direction is easily formed in the underpants-shaped absorbent article. Therefore, the protrusion of the underpants-shaped absorbent article easily pushes up the absorbent pad, and the protrusion is easily formed in the absorbent pad.
[0075] Aspect 23 is an absorbent pad according to Aspect 21, wherein the underwear-shaped absorbent article includes an underwear deformation guide portion configured to deform the absorbent core of the underwear-shaped absorbent article, the underwear deformation guide portion includes two pairs of deformation guide areas spaced apart in the longitudinal direction, each pair of the deformation guide areas includes two deformation guide areas inclined to extend toward the outside in the longitudinal direction while extending from the corresponding ends in the width direction of the absorbent core of the underwear-shaped absorbent article toward the center, and when the underwear-shaped absorbent article and the absorbent pad are in an unfolded and stretched state and are configured so that the centers of the underwear-shaped absorbent article and the absorbent pad in the longitudinal direction and the width direction are aligned, on each side in the longitudinal direction, the inner ends of the tops of a pair of the deformation guide areas of the underwear deformation guide portion are located on the inner side of the inner ends of the tops of a pair of the deformation guide areas of the pad deformation guide portion relative to the longitudinal direction.
[0076] According to aspect 23, a dome-shaped protrusion that is short in the longitudinal direction is easily formed in the underwear-shaped absorbent article. Therefore, the protrusion of the underwear-shaped absorbent article is easy to fit inside the protrusion of the absorbent pad, and the positional deviation of the protrusion of the absorbent pad in the longitudinal direction can be suppressed.
[0077] Aspect 24 is an absorbent pad according to any one of Aspects 17 to 23, wherein the pad deformation guide portion includes a central deformation guide portion, the central deformation guide portion extending along the longitudinal direction in the central portion of the absorbent pad relative to the longitudinal direction and the width direction, and the basis weight of the absorbent core of the absorbent pad is lower in the central deformation guide portion than in an area adjacent to the central deformation guide portion on the outside in the width direction.
[0078] According to aspect 24, the absorbent core is folded in the width direction along the central deformation guide, so that the width of the absorbent core is reduced, thereby making it possible to reduce the rigidity felt by the wearer. In addition, the excrement can be quickly sucked into the absorbent core through the central deformation guide (which is a low basis weight part).
[0079] Aspect 25 is an absorbent pad according to any one of Aspects 17 to 24, wherein the underwear-shaped absorbent article includes a underwear alignment indication portion visible from the skin side surface, the absorbent pad also includes a pad alignment indication portion visible from the skin side surface, and when the underwear-shaped absorbent article and the absorbent pad are in an unfolded and extended state and are configured so that the centers of the underwear-shaped absorbent article and the absorbent pad in the longitudinal direction and the width direction are aligned, the pad alignment indication portion has an area overlapping with the underwear alignment indication portion in a plan view.
[0080] According to aspect 25, when worn, the pant-shaped absorbent article and the absorbent pad are easily overlapped with each other at appropriate positions, that is, for example, protrusions with similar shapes are easily formed at the same positions in the pant-shaped absorbent article and the absorbent pad, and the fit to the wearer's crotch is improved.
[0081] Aspect 26 is an absorbent pad according to any one of Aspects 17 to 25, wherein the absorbent pad also includes a joining member, which is arranged on the non-skin side surface and is configured to join the underwear-shaped absorbent article, and the joining member is located on the outside of the longitudinal direction of the pad deformation guide portion.
[0082] According to aspect 26, it is possible to prevent the engaging member from interfering with the deformation of the absorbent core guided by the pad deformation guide.
[0083] Aspect 27 is an absorbent pad according to any one of Aspects 17 to 26, wherein the absorbent core of the absorbent pad includes a contraction portion, which is located between the two end portions in the longitudinal direction and has a width in the width direction that is narrower than the two end portions, and the pad deformation guide portion has a portion overlapping with the contraction portion in the longitudinal direction.
[0084] According to aspect 27, the force of closing the legs of the wearer is easily transmitted at the contraction portion, the absorbent core is easily deformed into a desired shape due to the pad deformation guide, and the fit to the crotch of the wearer is improved.
[0085] Aspect 28 is an absorbent pad according to any one of Aspects 17 to 27, wherein the absorbent core of the absorbent pad includes an end deformation guide portion in an end portion on at least one side closer to the longitudinal direction than the pad deformation guide portion, and the end deformation guide portion extends along the longitudinal direction and is configured to serve as a deformation starting point.
[0086] According to aspect 28, the absorbent core is easily folded in the width direction from the end deformation guide extending in the longitudinal direction, and the absorbent core is easily conformed to the curves of the wearer's groin (lower abdomen) and buttocks, thereby improving the fit to the wearer.
[0087] Aspect 29 is an absorbent pad according to Aspect 28, wherein the absorbent core of the underwear-shaped absorbent article includes: an underwear deformation guide portion; and an end deformation guide portion, which is located in an end portion on at least one side of the underwear deformation guide portion in the longitudinal direction, the end deformation guide portion extends in the longitudinal direction and is configured to serve as a deformation starting point, and when the underwear-shaped absorbent article and the absorbent pad are in an unfolded and stretched state and are configured so that the centers of the underwear-shaped absorbent article and the absorbent pad in the longitudinal direction and the width direction are aligned, the end deformation guide portion of the absorbent pad has an area overlapping with the end deformation guide portion of the underwear-shaped absorbent article in a plan view.
[0088] According to aspect 29, since the end deformation guides are located at the same or close positions, the absorbent core of the underwear-shaped absorbent article and the absorbent core of the absorbent pad are easily deformed in a similar manner. Therefore, compared with the case where the absorbent cores are deformed independently of each other, the absorbent core is more easily deformed to conform to the shape of the wearer's groin (lower abdomen) and buttocks, and the feeling of rigidity can be reduced.
[0089] Aspect 30 is an absorbent pad according to any one of Aspects 17 to 29, wherein, in an unfolded and stretched state, the length in the width direction of the absorbent core of the absorbent pad at the center in the longitudinal direction of the absorbent pad is greater than or equal to the length in the width direction of the absorbent core of the underwear-shaped absorbent article at the center in the longitudinal direction of the underwear-shaped absorbent article in the unfolded and stretched state.
[0090] According to aspect 30, a dome-shaped protrusion that is short in the width direction is easily formed in the underpants-shaped absorbent article. Therefore, the protrusion of the underpants-shaped absorbent article is easily fitted inside the protrusion of the absorbent pad, and the positional deviation of the protrusion of the absorbent pad in the width direction can be suppressed.
[0091] Aspect 31 is an absorbent pad package, comprising: a package main body, which accommodates the absorbent pad according to any one of Aspects 17 to 30, the package main body comprising: a brand display portion, which displays the brand name shared by the underwear-shaped absorbent article and the absorbent pad; and a logo display portion, which is used to distinguish between the underwear-shaped absorbent article and the absorbent pad.
[0092] According to aspect 31, the brand display portion makes it easier to select and use the panty-shaped absorbent article with the panty deformation guide and the absorbent pad with the pad deformation guide in a group, the absorbent core is easily deformed into a desired shape due to the deformation guide, the fit to the crotch of the wearer is improved, and the feeling of rigidity can be alleviated. On the other hand, the logo display portion can prevent mistakes when purchasing panty-shaped absorbent articles and absorbent pads.
[0093] ===Implementation Method===
[0094] Hereinafter, as an example of the "underpants-shaped absorbent article" according to the present embodiment, an underpants-shaped disposable diaper for adults will be described. As an example of the absorbent pad according to the present embodiment, a urine pad for adults will be described. The urine pad is arranged on the inner side of the underpants-shaped disposable diaper and can be used together with the diaper. However, there is no limitation to the above, and it can be a structure in which, for example, the underpants-shaped absorbent article is a shorts-shaped sanitary napkin, the absorbent pad is a sanitary napkin, and the sanitary napkin is arranged on the inner side of the shorts-shaped sanitary napkin for use. The underpants-shaped absorbent article and the absorbent pad can also be used by infants.
[0095] ===Basic Structure of Pants-Type Disposable Diaper 1 ===
[0096] Figure 1 1 is a schematic perspective view of a pant-shaped disposable diaper 1 (hereinafter also referred to as "diaper 1"). Figure 2 It is a plan view of the diaper 1 in the unfolded and stretched state. Figure 3 It is along Figure 2 Schematic cross-sectional view taken along line CC in FIG.
[0097] In the panty-shaped state, the diaper 1 has an up-down direction, a width direction, and a front-to-back direction that are orthogonal to each other, and has a waist opening BH and a pair of leg openings LH. The upper side in the up-down direction corresponds to the waist opening BH side, and the lower side corresponds to the crotch side. In addition, the front side in the front-to-back direction corresponds to the wearer's ventral side, and the rear side corresponds to the wearer's back side. In addition, Figure 2 In the unfolded state shown, the diaper 1 has a longitudinal direction, a width direction, and a thickness direction that are orthogonal to each other. The longitudinal direction in the unfolded state is a direction along the up-down direction in the pant-shaped state. In the thickness direction, the side where the wearer's skin is located corresponds to the skin side, and the opposite side corresponds to the non-skin side.
[0098] The diaper 1 includes an absorbent body 10 and an exterior member 20 disposed on the non-skin side of the absorbent body 10 . Figure 2The absorbent body 10 and the outer member 20 shown in the unfolded state are folded in half at the central position CL in the longitudinal direction. In this folded state, the front part of the outer member 20 and the rear part of the outer member 20 facing each other are joined to each other at both sides in the width direction to form a pair of side joints SS, and the diaper 1 becomes a pant-shaped diaper. The side joints SS are formed by a known joining technique such as welding or bonding.
[0099] The "expanded state" of the underpants-type diaper 1 refers to a state in which the side joints SS are pulled apart and the diaper 1 is opened in the longitudinal direction and spread out on a plane. In addition, the stretched state of the diaper 1 refers to a state in which the diaper 1 is stretched to eliminate wrinkles, specifically, a state in which the dimensions of the components constituting the diaper 1 are the same as or close to the dimensions of the components in a single state (i.e., the dimensions in a state in which the elasticity of the elastic member is not exhibited) .
[0100] The portion of the front side in the longitudinal direction of the diaper 1 that overlaps with the side joint SS will be referred to as the "front waist portion 1A". The front waist portion 1A is a portion located on the ventral side of the wearer. The portion of the rear side in the longitudinal direction of the diaper 1 that overlaps with the side joint SS will be referred to as the "rear waist portion 1B". The rear waist portion 1B is a portion located on the back side of the wearer. The portion of the diaper 1 that is located between the front waist portion 1A and the rear waist portion 1B in the longitudinal direction will be referred to as the "crotch portion 1C". The crotch portion 1C is a portion located between the legs of the wearer.
[0101] The absorbent body 10 includes an absorbent body 30, a liquid-permeable front sheet 11 (e.g., a nonwoven fabric sheet) disposed on the skin side in the thickness direction of the absorbent body 30, a liquid-impermeable back sheet 12 (e.g., a resin film) disposed on the non-skin side in the thickness direction of the absorbent body 30, and a pair of side sheets 13. However, the structure of the absorbent body 10 is not limited to the above, and for example, a second sheet may be provided between the front sheet 11 and the absorbent body 30.
[0102] The absorbent body 30 includes an absorbent core 31 and a core wrapping sheet 32 covering the absorbent core 31. The absorbent core 31 can be obtained by, for example, mixing a superabsorbent polymer (so-called SAP) with a liquid absorbent fiber such as pulp fiber and molding the mixture into a predetermined shape. The core wrapping sheet 32 can be, for example, a liquid-permeable sheet such as tissue paper or nonwoven fabric. Note that the core wrapping sheet 32 is not necessarily required.
[0103] Although not shown in detail, a pair of side sheets 13 are folded inward from both ends in the width direction of the non-skin side surface of the absorbent body 10 to the left and right directions, so as to be positioned at both ends in the width direction on the skin side surface of the front sheet 11, thereby forming a leakage-proof wall portion. A leakage-proof wall elastic member 14 (e.g., an elastic thread) that stretches in the longitudinal direction is provided at the folded portion of the side sheet 13, so that the leakage-proof wall portion stands up toward the skin of the wearer. The side sheet 13 may be, for example, an SMS nonwoven fabric sheet that has been waterproofed.
[0104] like Figure 2 As shown, the planar shape of the outer casing member 20 is a substantially hourglass shape having a narrow longitudinal central portion. Figure 3 As shown, the outer member 20 includes a skin side sheet 21 , a front non-skin side sheet 22 , a rear non-skin side sheet 23 , a buttocks covering sheet 24 , a waist elastic member 25 , and a leg elastic member 26 .
[0105] The sheets 21-24 constituting the outer covering member 20 may be nonwoven sheets as soft sheet members. The skin side sheet 21 is continuous from the front waist portion 1A to the rear waist portion 1B of the diaper 1. The front non-skin side sheet 22 is closer to the non-skin side than the skin side sheet 21 in the thickness direction, and mainly forms the front waist portion 1A. The rear non-skin side sheet 23 is closer to the non-skin side than the skin side sheet 21 in the thickness direction, and mainly forms the rear waist portion 1B. The buttocks covering sheet 24 is closer to the non-skin side than the skin side sheet 21 in the thickness direction, and is located below the rear non-skin side sheet 23. A wide area of the wearer's buttocks is covered by the buttocks covering sheet 24.
[0106] Between the skin side sheet 21 and the front non-skin side sheet 22 and between the skin side sheet 21 and the back non-skin side sheet 23, a plurality of waist elastic members 25 (e.g., elastic threads) that stretch in the width direction are arranged side by side in the up-down direction. This allows the front waist portion 1A and the back waist portion 1B of the diaper 1 to fit the waist of the wearer. In addition, between the skin side sheet 21 and the back non-skin side sheet 23 and between the skin side sheet 21 and the buttocks covering sheet 24, a leg elastic member 26 extending along the leg opening LH is provided. This allows the rear portion of the outer member 20 to fit the buttocks of the wearer.
[0107] The above-mentioned configuration of the outer member 20 is only an example, and the present invention is not limited thereto. For example, similar to the skin side sheet 21, the non-skin side sheet may also be continuous from the front waist portion 1A to the rear waist portion 1B. In addition, for example, in the crotch portion 1C, a configuration in which the skin side sheet 21 is not present and the non-skin side surface of the absorbent body 10 is exposed is acceptable.
[0108] ===Basic structure of urine pad 2===
[0109] Figure 4It is a plan view of the urine pad 2 (hereinafter also referred to as "pad 2") in the unfolded and stretched state, as viewed from the skin side. Figure 5 A is along Figure 4 A schematic cross-sectional view taken along line AA in FIG. Figure 5 B is along Figure 4 A schematic cross-sectional view taken along line BB in FIG. Figure 5 C is along Figure 4 Schematic cross-sectional view taken along line CC in FIG.
[0110] In the unfolded state, the pad 2 has a longitudinal direction, a width direction, and a thickness direction that are orthogonal to each other. The pad 2 is different from the above-mentioned diaper 1 in that one end and the other end in the longitudinal direction are not connected to each other around the waist of the wearer, and the pad 2 is placed against the wearer. The unfolded state of the pad 2 refers to a state in which the pad 2 is opened along its longitudinal direction to the state in which the pad 2 is laid flat. In addition, the stretched state of the pad 2 refers to a state in which the pad 2 is stretched to eliminate wrinkles, specifically, a state in which the size of the components constituting the pad 2 is the same as or close to the size of the components in a single state (i.e., the size in a state in which the elasticity of the elastic member is not exhibited).
[0111] The planar shape of the pad 2 in the present embodiment is generally rectangular, but is not limited thereto, and may be, for example, generally hourglass-shaped. In addition, the pad 2 of the present embodiment has a shape and configuration that is symmetrical in the longitudinal direction, and can be used without distinction between the front and the back in the longitudinal direction. However, there is no limitation to this, and the pad 1 may have an asymmetrical shape or configuration in the longitudinal direction, and may define a side that contacts the front side (ventral side) of the wearer and a side that contacts the back side (dorsal side) of the wearer.
[0112] The pad 2 includes an absorbent body 40, a liquid-permeable front sheet 3 (e.g., a nonwoven fabric sheet) covering the absorbent body 40 from the skin side in the thickness direction, a liquid-impermeable back sheet 4 (e.g., a resin film) covering the absorbent body 40 from the non-skin side, and a pair of side sheets 5 provided on both sides of the pad 2 in the width direction. Figure 5 As shown in FIG. 4 , the back sheet 4 can extend from the non-skin side surface of the absorbent body 40 to the outside in the width direction and the longitudinal direction, and wrap around to the skin side in the thickness direction so as to cover the side (edge) of the absorbent body 40. This makes it possible to prevent the excretion liquid from seeping out from the side of the absorbent body 40.
[0113] The absorbent body 40 has a two-layer structure in the thickness direction. The layer disposed on the skin side in the thickness direction will be referred to as the first absorbent body 41, and the layer disposed adjacent to the first absorbent body 41 on the non-skin side in the thickness direction will be referred to as the second absorbent body 42. The first absorbent body 41 has a first absorbent core 411 and a first core wrapping sheet 412 covering the first absorbent core 411. The second absorbent body 42 has a second absorbent core 421 and a second core wrapping sheet 422 covering the second absorbent core 421. In the following description, the first absorbent core 411 and the second absorbent core 421 will be collectively referred to as absorbent cores 411 and 421.
[0114] The first absorbent core 411 and the second absorbent core 421 can be obtained by, for example, mixing a superabsorbent polymer (so-called SAP) with a liquid-absorbent fiber such as pulp fiber, and molding the mixture into a predetermined shape. The first core wrapping sheet 412 and the second core wrapping sheet 422 can be, for example, a liquid-permeable sheet, such as tissue paper or nonwoven fabric, etc. Note that the first core wrapping sheet 411 and the second core wrapping sheet 421 are not necessarily present.
[0115] Figure 4 An example is shown in which the first absorbent core 411 and the second absorbent core 421 have a substantially hourglass-like shape in a plan view. However, the planar shape of the absorbent cores 411 and 421 is not particularly limited and may be, for example, rectangular. In addition, the first absorbent core 411 located on the skin side is slightly larger than the second absorbent core 421 located on the non-skin side, and is also longer in the longitudinal direction and the width direction.
[0116] A pair of side sheets 5 are folded back from both ends in the width direction of the back sheet 4 toward the skin side in the thickness direction, and are located on both sides in the width direction on the skin side surface of the front sheet 3. The side sheets 5 form a leakage-proof wall portion 50 on the skin side surface of the front sheet 3. The leakage-proof wall portion 50 includes a leakage-proof wall elastic member 51 (e.g., an elastic thread) that stretches in the longitudinal direction so that the leakage-proof wall portion stands up toward the wearer's skin. Figure 5 As shown in A, the portion where the side sheet 5 is fixed to the front sheet 3 with the adhesive HMA serves as a starting point for the width direction of the leakage-proof wall portion 50. The side sheet 5 may be, for example, an SMS nonwoven fabric sheet that has been treated for water repellency.
[0117] In addition, on the non-skin side surface of the pad 2, a non-skin side stretchable member 52 (e.g., elastic thread) that stretches in the longitudinal direction is provided in the portion where each end in the width direction of the back sheet 4 is covered by the side sheet 5. The non-skin side stretchable member 52 is provided in the central portion in the longitudinal direction of the pad 2, which corresponds to a position close to the wearer's legs. The non-skin side stretchable member 52 forms leg gathers at both ends in the width direction of the pad 2, thereby making it easier to fit the wearer's leg circumference.
[0118] Although the basic configuration of the pad 2 has been described above, the configuration of the pad 2 is not limited to the above. For example, the absorbent core of the pad 2 may have a single-layer structure.
[0119] ===How to put on diaper 1 and pad 2===
[0120] Figure 6 is a schematic perspective view showing how the pad 2 is attached to the inside of the diaper 1. The pad 2 can be arranged on the skin-side surface of the underpants-type diaper 1 for use. By stacking the pad 2 on the inside of the diaper 1, only the pad 2 can be replaced, thereby allowing the diaper 1 to be used for a longer period of time. This makes it possible to reduce the number of times the underpants-type diaper 1 needs to be replaced (which requires the wearer to take off his or her underpants, etc. for replacement). In addition, even if excrement overflows from the pad 2, the excrement can be captured by the diaper 1, so that leakage to the underpants, etc. of the wearer can be suppressed.
[0121] The following is a conceivable example of a method for replacing and attaching the pad 2 to the inside of the pant-shaped diaper 1. First, the wearer stands or Figure 6 The diaper 1 is pulled down to below the knees while the user is sitting on a chair as shown. When the diaper 1 is in the lowered state, the used pad 2 attached to the skin-side surface of the diaper 1 is separated from the diaper 1. Then, a new pad 2 prepared in advance is attached to the diaper 1, where, generally, the new pad 2 is placed at a position corresponding to the center position CL1 in the longitudinal direction (see FIG. Figure 4 ) is folded in half at the folding position CL1 with the skin-side surface facing inward. Therefore, when attaching the pad 2 to the diaper 1, first, the pad 2 is placed on the inside of the diaper 1 with the folding position CL1 in front, and the folding position CL1 is lightly pressed against the skin-side surface of the diaper 1. Next, the folded pad 2 is opened to both sides in the longitudinal direction, thereby unfolding the pad 2 into a nearly flat surface, and the pad 2 is fixed to the skin-side surface of the diaper 1. Note that this fixing is achieved by, for example, attaching a bonding member 6 ( Figure 4 ) is combined with the skin side surface (front sheet 11) of diaper 1 to realize. Then, diaper 1 is pulled upwards to the waist position of the wearer, thereby finishing the wearing of diaper 1 and pad 2.
[0122] ===Use of Diaper 1 and Pad 2 in Combination ===
[0123] Figure 7 A is a schematic diagram of a package 201 of a diaper 1, Figure 7 B is a schematic diagram of the packaging body 202 of the pad 2. Figure 8 2 is a schematic cross-sectional view showing a wearing state of a diaper 1 ′ according to a comparative example and a pad 2 ′ according to a comparative example. Fig. 9A is a schematic cross-sectional view showing a wearing state of the diaper 1 of the present embodiment and the pad 2 of the present embodiment, Fig. 9 B is a schematic diagram showing the protrusions T1 and T2 formed in the diaper 1 and the pad 2 .
[0124] Fig.10 is a schematic plan view showing the diaper 1 and the pad 2 superimposed thereon in an unfolded and extended state. Fig.11 It shows that Fig.10 Figures of the absorbent cores 31, 411 and 421 in the shown states. Fig.12 A and Fig.12 B is a schematic diagram of a modification of the absorbent cores 31 , 411 , and 421 .
[0125] The diaper 1 of the present embodiment includes "underwear deformation guides 33 and 34" in the crotch portion 1C of the diaper 1. When the diaper 1 is worn in a state where an absorbent pad (such as the pad 2 of the present embodiment) is arranged on its skin-side surface, the underwear deformation guides 33 and 34 deform the absorbent core 31 of the diaper 1 into a shape protruding toward the skin side so as to contact with the protrusion T2 of the pad 2 in which the absorbent cores 411 and 421 have been deformed into a shape protruding toward the skin side, as shown in FIG. Fig. 9 As shown in A.
[0126] The underwear deformation guides 33 and 34 are arranged on the inner side of the outer edge of the absorbent core 31, and are as follows: Figure 2 As shown, the underwear deformation guides 33 and 34 include two pairs of underwear deformation guide areas 33 arranged on opposite sides of the longitudinal center line CL of the diaper 1, and a central deformation guide 34 extending in the longitudinal direction (described in detail later).
[0127] Similarly, the pad 2 of the present embodiment includes “pad deformation guides 43 and 44” in the crotch portion 2C of the pad 2, and when the pad 2 is worn in a state arranged on the skin-side surface of a panty-shaped absorbent article such as the diaper 1 of the present embodiment, the pad deformation guides 43 and 44 deform the absorbent cores 411 and 421 into a shape protruding toward the skin side so as to contact with the protrusion T1 of the diaper 1 in which the absorbent core 31 is deformed into a shape protruding toward the skin side, as shown in FIG. Fig. 9 As shown in A.
[0128] The pad deformation guides 43 and 44 are located on the inner side of the outer edges of the absorbent cores 411 and 421, and as shown in FIG. Figure 4 As shown, the pad deformation guides 43 and 44 include two pairs of pad deformation guide areas 43 arranged on opposite sides of the longitudinal center line CL of the pad 2, and a central deformation guide 44 extending in the longitudinal direction (described in detail later). Figure 4When the absorbent core is not contracted, when the pad 1 is divided into four regions in the longitudinal direction, the crotch portion 2C is defined as the central two regions (half regions).
[0129] Here, in Figure 8 In the case where the diaper 1' and the pad 2' of the comparative example shown are deformed independently, if the protrusion of the diaper 1' does not fit inside the protrusion of the pad 2', and the protrusion of the diaper 1' and the protrusion of the pad 2' do not contact each other, concavities and convexities will be formed at different positions in the diaper 1' and the pad 2'. In this case, the deformation of the diaper 1' and the deformation of the pad 2' tend to offset each other, resulting in the formation of a plurality of small protrusions, which may increase the width of the diaper 1' and the pad 2 when worn, or may cause a space to be formed between the concavities and convexities of the diaper 1' and the concavities and convexities of the pad 2'. Therefore, the wearer of the diaper 1' and the pad 2 is apt to feel the rigidity. In addition, the diaper 1' and the pad 2' will not deform to fit the crotch of the wearer, thus resulting in poor fit to the wearer, which may cause leakage of excrement and result in poor comfort.
[0130] In contrast, in the diaper 1 and the pad 2 of the present embodiment, at least a portion of the skin-side surface of the protrusion T1 formed in the diaper 1 and a portion of the non-skin-side surface of the protrusion T2 formed in the pad 2 are in contact with each other due to the underwear deformation guides 33 and 34 and the pad deformation guides 43 and 44. In other words, the diaper 1 and the pad 2 are deformed so that at least a portion of the protrusion T1 of the diaper 1 enters the inner side of the protrusion T2 of the pad 2.
[0131] In this way, the protrusions T1 and T2 having similar shapes (protruding toward the skin side) are formed at the same positions in the diaper 1 and the pad 2 worn in a manner overlapping each other, which means that the protrusions T1 of the diaper 1 and the protrusions T2 of the pad 2 can help each other to deform, thereby making it easier to form the protrusions T1 and T2 that are larger and have a desired shape. Fig. 9 As shown in Figure A, the diaper 1 and the pad 2 can be easily deformed to conform to the shape of the wearer's crotch, thereby improving the fit to the wearer. Fig. 9 As shown in A, the diaper 1 and the pad 2 are folded in the width direction at the widthwise central portion, thereby reducing the width of the diaper 1 and the pad 2, thereby alleviating the rigidity (pressure feeling on the thighs) felt by the wearer.
[0132] Furthermore, since the protrusions T1 and T2 having similar shapes are formed to contact each other, the protrusions T1 of the diaper 1 and the protrusions T2 of the pad 2 can maintain their respective protruding shapes. Therefore, even by the movement of the wearer, the protrusions T1 and T2 are less likely to be flattened, and stable protrusions T1 and T2 are easily formed. In other words, the diaper 1 and the pad 2 maintain good fit around the crotch even when being worn.
[0133] In addition, the diaper 1 and the pad 2 are folded in the width direction and the width is reduced, thereby reducing the amount of contact between the diaper 1 and the pad 2 and the wearer's thighs. Therefore, when putting on the diaper 1 and the pad 2, it is easier to pull up the diaper 1 and the pad 2, thereby improving the ease of putting on. In addition, when wearing the diaper 1 and the pad 2, the wearer can easily close his legs, and it is easier for the wearer to walk, stand, and perform other movements.
[0134] Note that the diaper 1 and the pad 2 may undergo deformation such that when worn, the diaper 1 is deformed into a shape protruding toward the skin side, and the pad 2 follows such movement to be deformed into a shape protruding toward the skin side. In other words, the protrusion T1 of the diaper 1 may push the pad 2 upward toward the skin side, so that the protrusion T2 of the pad 2 is formed. Alternatively, the diaper 1 and the pad 2 may undergo deformation such that the pad 2 is first deformed into a protruding shape due to the force from the wearer's thigh, and the diaper 1 follows such movement to be deformed into the protruding shape. Alternatively, the diaper 1 and the pad 2 may be deformed into the protruding shape at the same time. There is no particular limitation on the movement of the diaper 1 and the pad 2 when worn, as long as the protrusion T1 (skin side surface) of the diaper 1 and the protrusion T2 (non-skin side surface) of the pad 2 are in contact when the diaper 1 and the pad 2 are worn in a stacked manner.
[0135] Furthermore, whether the protrusion T1 of the diaper 1 and the protrusion T2 of the pad 2 are in contact with each other can be confirmed by, for example, having a test subject actually overlap the pad 2 on the inner side of the diaper 1 in a deformation direction regulation test (described later in detail) described below.
[0136] Furthermore, since the diaper 1 of the present embodiment includes the panty deformation guides 33 and 34, after being put on in a state where an absorbent pad (such as the pad 2 of the present embodiment) is arranged on the skin-side surface of the diaper 1, when a deformation direction regulation test (described in detail later) is performed to determine the deformation direction, the following occurs. Specifically, due to the panty deformation guides 33 and 34, the absorbent core 31 of the diaper 1 is deformed so that the deformation direction of the diaper 1 in the thickness direction is the same as the deformation direction of the pad 2 in the thickness direction with a probability of 75% or more.
[0137] Similarly, since the pad 2 of the present embodiment includes the pad deformation guides 43 and 44, after the pad 2 is put on in a state where it is arranged on the skin-side surface of a panty-shaped absorbent article such as the diaper 1 of the present embodiment, when a deformation direction regulation test is performed to determine the deformation direction, the following occurs. Specifically, due to the pad deformation guides 43 and 44, the absorbent cores 411 and 421 of the pad 2 are deformed so that the deformation direction of the pad 2 in the thickness direction is the same as the deformation direction of the diaper 1 in the thickness direction with a probability of 75% or more.
[0138] For the diaper 1, whether the deformation direction in the thickness direction is the same when the diaper 1 and the pad 2 are worn together is determined based on the number of protrusions (e.g., protrusions T1 protruding toward the skin) formed in the diaper 1 after the pad 2 is superimposed on the diaper 1 and used. In the case of the pad 2, it is determined based on the number of protrusions (e.g., protrusions T2 protruding toward the skin) formed in the pad 2 after being placed on the skin-side surface of the diaper 1. If there is only one protrusion, this means that the diaper 1 and the pad 2 are not as Figure 8 As shown, the deformation of each other is offset to form a plurality of small concave and convex parts. Fig. 9 The diaper 1 and the pad 2 shown in A have protrusions formed at the same position and in the same deformation direction. Therefore, when the number of protrusions formed in the diaper 1 or the pad 2 is one, the diaper 1 and the pad 2 are considered to have the same deformation direction in the thickness direction.
[0139] In the deformation direction specified test according to the present invention, the protrusion formed in the diaper 1 or pad 2 is a protrusion whose height is 50% or more of the height h1 or h2 of the highest protrusion formed in the diaper 1 or pad 2 (see the following description). Fig.14 In other words, when the number of protrusions formed in addition to the highest protrusion is zero, or when only protrusions having a height less than 50% of the highest protrusion are formed in addition to the highest protrusion, the diaper 1 and the pad 2 are considered to be deformed in the same direction in the thickness direction.
[0140] As described above, in the diaper 1 of the present embodiment, the possibility that the diaper 1 and the pad 2 will hinder each other's deformation is low, and the possibility that protrusions having similar shapes (having the same deformation direction) are formed at the same positions in the diaper 1 and the pad 2 is high, compared with a diaper having a probability of less than 75% that the deformation direction is the same as the deformation direction of the pad 2 in the deformation direction specification test. Therefore, in the case of the diaper 1 and the pad 2 stacked thereon, it is easy to form the protrusions T1 and T2 having a desired shape (following the shape of the crotch of the wearer) by the underwear deformation guides 33 and 34, and the fit to the wearer is improved. In addition, in the diaper 1 and the pad 2, a relatively large protrusion T1 and a relatively large protrusion T2 are formed, thereby reducing the width of the diaper 1 and the pad 2, thereby alleviating the feeling of rigidity.
[0141] Similarly, in the pad 2 of the present embodiment, the possibility that the diaper 1 and the pad 2 will hinder each other's deformation is low, and the possibility that protrusions having similar shapes (having the same deformation direction) are formed at the same positions in the diaper 1 and the pad 2 is high, compared with a pad having a probability of less than 75% that the deformation direction is the same as the deformation direction of the diaper 1 in the deformation direction specification test. Therefore, in the case where the pad 2 and the diaper 1 are also used together, it is easy to form the protrusions T1 and T2 having the desired shape (following the shape of the crotch of the wearer) by the pad deformation guides 43 and 44, and the fit to the wearer is improved. In addition, in the pad 2 and the diaper 1, a relatively large protrusion T1 and a relatively large protrusion T2 are formed, thereby reducing the width of the diaper 1 and the pad 2, thereby alleviating the feeling of rigidity.
[0142] In addition, in the diaper 1 of the present embodiment, an absorbent pad may be placed on the skin side surface thereof. The absorbent pad may be formed into six areas ( Fig.10 The pad deformation guides 43 and 44 are included in the regions I3 and I4 in the regions I1 to I6 in FIG. Fig.10 As shown, the diaper 1 includes at least a portion of underwear deformation guides 33 and 34 in the following areas: the areas overlap with areas I3 and I4 of the pad 2 (absorbent pad) in a plan view when the pad 2 and the diaper 1 are in an unfolded and stretched state and are configured so that the centers of the pad 2 and the diaper 1 in the longitudinal direction and the width direction are aligned.
[0143] As mentioned above Figure 6 As described in , the pad 2 is inserted into the diaper 1 so that the lower end (center CL1 in the longitudinal direction) of the pad 2 folded in half in the longitudinal direction contacts the front and rear center (CL in the longitudinal direction) of the diaper 1. Fig.10As shown, the pad 2 can be easily set in the diaper 1 so that the centers of the diaper 1 and the pad 2 in the longitudinal direction and the width direction are aligned. Fig.10 ), when the wearer places the pad 2 on the inside of the diaper 1, the pad deformation guides 43 and 44 and the underwear deformation guides 33 and 34 are easily positioned in the same area.
[0144] More preferably, when the pad 2 and the diaper 1 are in the unfolded and extended state and are arranged so that the centers of the pad 2 and the diaper 1 in the longitudinal direction and the width direction are aligned ( Fig.10 ), the panty deformation guides 33 and 34 have an area in a plan view that overlaps with the pad deformation guides 43 and 44. According to this configuration, when the wearer places the pad 2 on the inside of the diaper 1, the pad deformation guides 43 and 44 and the panty deformation guides 33 and 34 are more likely to be positioned in the same area.
[0145] exist Fig.10 In the diaper 1 shown, the central deformation guide 34 in the underwear deformation guide has an area overlapping with the central deformation guide 44 in the pad deformation guide. In addition, the underwear deformation guide area 33 on the front side in the longitudinal direction has an area overlapping with the pad deformation guide area 43 on the front side in the longitudinal direction.
[0146] Similarly, the pad 2 of the present embodiment can be arranged on the skin-side surface of a diaper 1 which, for example, has six regions (e.g., Fig.10 The areas O3 and O4 in the diaper 1 and the pad 2 (O1 to O6 in the figure) include the panty deformation guides 33 and 34. The pad 2 includes at least a portion of the pad deformation guides 43 and 44 in the following areas: the areas are arranged so that the centers of the diaper 1 and the pad 2 in the longitudinal direction and the width direction are aligned ( Fig.10 ) overlaps with areas O3 and O4 of the diaper 1 (underwear-shaped absorbent article) in a plan view.
[0147] According to this configuration, when the wearer places the pad 2 on the inner side of the diaper 1, the pad deformation guides 43 and 44 and the underwear deformation guides 33 and 34 are more likely to be positioned in the same area.
[0148] More preferably, when the diaper 1 and the pad 2 are in the unfolded and extended state and are arranged so that the centers of the diaper 1 and the pad 2 in the longitudinal direction and the width direction are aligned ( Fig.10 ), the pad deformation guides 43 and 44 have an area overlapping with the underwear deformation guides 33 and 34 in a plan view. Fig.10 In the embodiment, the central deformation guide portions 34 and 44 overlap with each other, and the deformation guide portions 33 and 43 on the front side in the longitudinal direction overlap with each other.
[0149] According to this configuration, when the wearer places the pad 2 on the inner side of the diaper 1, the pad deformation guides 43 and 44 and the pants deformation guides 33 and 34 are more likely to be positioned in the same area.
[0150] As described above, when the diaper 1 and the pad 2 are stacked on each other, the pad deformation guides 43 and 44 and the underwear deformation guides 33 and 34 are positioned in the same area, so the diaper 1 and the pad 2 are less likely to hinder each other's deformation. Therefore, the protrusions T1 and T2 having a desired shape (a shape that fits the crotch of the wearer) due to the deformation guides (33, 34, 43 and 44) are easily formed at the same position in the diaper 1 and the pad 2. This makes it possible to improve the fit to the wearer. In addition, since the protrusions T1 and T2 are formed to have a shape like Fig. 9 The desired shape shown in A, therefore, the width of the diaper 1 and the pad 2 is reduced and the feeling of rigidity can be alleviated.
[0151] Although the features of the combined use of the diaper 1 and the pad 2 are described above, the diaper 1 does not need to implement all of the above three features (including the underwear deformation guides 33 and 34 that deform the absorbent core 31 to contact the protrusions of the pad 2, including the underwear deformation guides 33 and 34 that deform the absorbent core 31 so that the deformation direction is the same as the deformation direction of the pad 2 with a probability of 75% or more, and including the underwear deformation guides 33 and 34 in the area where the pad deformation guides 43 and 44 are located), it is sufficient for the diaper 1 to implement at least one of them.
[0152] Pad 2 also does not need to implement all of the above three features (including pad deformation guides 43 and 44 that deform the absorbent cores 411 and 421 to contact the protrusions of the diaper 1, including pad deformation guides 43 and 44 that deform the absorbent cores 411 and 421 so that the deformation direction is the same as the deformation direction of the diaper 1 with a probability of 75% or more, and including pad deformation guides 43 and 44 in the area where the underwear deformation guides 33 and 34 are located), it is sufficient for pad 2 to implement at least one of them.
[0153] Furthermore, the diaper 1 of the present embodiment can be used together with an absorbent pad arranged inside that is different from the pad 2 of the present embodiment. For example, the diaper 1 can be used in combination with an absorbent pad that does not include a deformation guide for deforming the absorbent core in the crotch portion or an absorbent pad that includes a deformation guide having a shape or configuration different from the pad deformation guides 43 and 44 of the present embodiment. In this case, the diaper 1 also includes the above-mentioned panty deformation guides 33 and 34, so that the protrusions T1 and T2 having similar shapes (conforming to the shape of the crotch of the wearer) are easily formed at the same positions in the diaper 1 and the absorbent pad, making it possible to alleviate the feeling of rigidity and improve the fit to the wearer.
[0154] Furthermore, the pad 2 of the present embodiment may be arranged on the inner side of a panty-shaped absorbent article outside the diaper 1 of the present embodiment. For example, the pad 2 may be used in combination with a panty-shaped absorbent article that does not include a deformation guide for deforming the absorbent core in the crotch portion or a panty-shaped absorbent article that includes a deformation guide having a shape or structure different from the panty deformation guides 33 and 34 of the present embodiment. In this case, the pad 2 also includes the above-mentioned pad deformation guides 43 and 44, so that the protrusions T1 and T2 having similar shapes (conforming to the desired shape of the wearer's crotch) are easily formed at the same positions in the panty-shaped absorbent article and the pad 2, thereby making it possible to reduce the feeling of rigidity and improve the fit to the wearer.
[0155] Note that the diaper 1 of the present embodiment and the pad 2 of the present embodiment constitute a set of products having the same brand name (a name given to products having the same concept). Therefore, the underwear deformation guides 33 and 34 and the pad deformation guides 43 and 44 are similar (substantially the same) in shape, construction, and arrangement position. Therefore, by using the pad 2 of the present embodiment superimposed on the inner side of the diaper 1 of the present embodiment, it is easier to achieve the above-mentioned effect (the effect of making it easier to form protrusions of similar shapes at the same positions in the diaper 1 and the pad 2).
[0156] In view of this, the following is preferred: In the package 201 for diapers 1, one or more diapers 1 are accommodated in the package body 211, such as Figure 7 A. Specifically, it is preferred that the packaging body 211 has a brand display portion 212 that displays a brand name common to the diaper 1 and the pad 2 (for example, "Lifree (registered trademark)"), and an identification display portion 213 for distinguishing the diaper 1 from the pad 2 (for example, a product name or a display such as "underpants diaper").
[0157] Similarly, if Figure 7 As shown in FIG. 2B , the following is preferred: in the package body 202 for pads 2, one or more pads 2 are contained in a package body 214. Specifically, it is preferred that the package body 214 has a brand display portion 215 displaying a brand name common to the diaper 1 and the pad 2, and a logo display portion 216 for distinguishing the diaper 1 from the pad 2 (for example, a product name or a display such as "diaper pad").
[0158] As described above, the "package 201 for diapers 1" in which one or more diapers 1 are contained in the package body 211 and the "package 202 for pads 2" in which one or more pads 2 are contained in the package body 214 constitute a package group. After the package group is circulated, consumers who consider using a panty-shaped disposable diaper and an absorbent pad together can easily select and use the diaper 1 of the present embodiment and the pad 2 of the present embodiment as a set because the brand display parts 212 and 215 are the same. Therefore, when the diaper 1 of the present embodiment and the pad 2 of the present embodiment are used together, the above-mentioned effect can be easily obtained. On the other hand, the logo display parts 213 and 216 make it possible to prevent mistakes when purchasing the diapers 1 and the pads 2.
[0159] In this embodiment, the packaging body group includes a packaging body 201 for diapers 1 and a packaging body 202 for pads 2 for example, wherein the packaging body 211 only accommodates diapers 1 but not pads 2, and the packaging body 214 only accommodates pads 2 but not diapers 1.
[0160] However, the present invention is not limited thereto, and a package in which the diaper 1 of the present embodiment and the pad 2 of the present embodiment are housed in the same package body may be circulated.
[0161] ===Pants deformation guides 33 and 34 and pad deformation guides 43 and 44===
[0162] like Figure 2 As shown, the deformation guide part of the underwear includes two pairs of deformation guide areas 33, which are spaced apart in the longitudinal direction and each includes two deformation guide areas, which are inclined to extend toward the outside in the longitudinal direction while extending from the corresponding ends in the width direction of the absorbent core 31 toward the center.
[0163] Similarly, if Figure 4 As shown, the pad deformation guide portion includes two pairs of deformation guide areas 43, which are spaced apart in the longitudinal direction and each includes two deformation guide areas, which are inclined to extend toward the outside in the longitudinal direction while extending from the corresponding ends in the width direction of the absorbent cores 411 and 421 toward the center.
[0164] like Figure 3 and Figure 5As shown in FIG. 2B , the deformation guide areas 33 and 43 of the present embodiment are composed of compression grooves formed by compressing (embossing) at least a portion of the absorbent cores 31, 411, and 421 in the thickness direction. Therefore, the deformation guide areas 33 and 43 have higher rigidity than the surrounding areas and become the starting point for deformation (folding) of the absorbent cores 31, 411, and 421. However, the present invention is not limited thereto, and the basis weight of the absorbent cores 31, 411, and 421 may be set lower than that of the surrounding areas, so that the deformation guide areas have a difference in rigidity from the surrounding areas.
[0165] The paired deformation guide areas 33 and 43 each include two deformation guide areas symmetrical with respect to the center line in the width direction of the diaper 1 or the pad 2. The paired deformation guide areas 33 and 43 on the front side are symmetrical with the paired deformation guide areas 33 and 43 on the back side with respect to the center line CL or CL1 in the longitudinal direction of the diaper 1 or the pad 2. More specifically, the deformation guide areas 33 of the diaper 1 are all straight line areas inclined with respect to the width direction, and the deformation guide areas 33 on one side in the width direction are continuous with the deformation guide areas 33 on the other side in the width direction. On the other hand, the deformation guide areas 43 of the pad 2 each include two straight line areas with different inclination angles from the end side to the center in the width direction, and the deformation guide areas 43 on one side in the width direction are spaced apart in the width direction from the deformation guide areas 43 on the other side in the width direction. However, Figure 2 and Figure 4 The shapes of the deformation guide regions 33 and 43 shown in FIG. 4 are merely examples, and the deformation guide regions 33 and 43 are not limited thereto. For example, the deformation guide regions 33 and 43 may be arc-shaped curve regions, etc.
[0166] In this way, Fig. 9 As shown in FIG. 1B , by providing a pair of deformation guide areas 33 and 43 on one side (front side) and the other side (rear side) in the longitudinal direction, the approximately rhombus-shaped area surrounded by the deformation guide areas 33 and 43 protrudes toward the skin side, and protrusions T1 and T2 are formed. Due to the deformation guide areas 33 and 43, the absorbent cores 31, 411 and 421 are deformed in a manner of bulging into a dome shape, rather than simply folding in the width direction. The dome-shaped protrusions T1 and T2 are in close contact with the wearer's body over a wide surface area and conform to the shape of the wearer's body, making it difficult to form a gap between the protrusions and the body. As a result, leakage can be suppressed.
[0167] The paired deformation guide areas 33 and 43 on the front side and the paired deformation guide areas 33 and 43 on the rear side are respectively arranged on opposite sides of the center lines CL and CL1 in the longitudinal direction of the diaper 1 and the pad 2. Therefore, dome-shaped protrusions T1 and T2 are easily formed in the areas of the diaper 1 and the pad 2 that come into contact with the crotch of the wearer.
[0168] In addition, when the wearer's legs are forced to close to form the protrusions T1 and T2, the deformation guide areas 33 and 43 serve as folding starting points. In addition, the leakage-proof wall elastic member 14 of the diaper 1 and the leakage-proof wall elastic member 51 and the non-skin side stretchable member 52 of the pad 2 also apply longitudinal contraction force to the deformation guide areas 33 and 43, and the absorbent cores 31, 411 and 421 are deformed with the deformation guide areas 33 and 43 as folding starting points, so that the protrusions T1 and T2 are easily formed.
[0169] Moreover, if Figure 4 As shown, the pad 2 has a non-skin side stretchable member 52 that can be stretched in the longitudinal direction in both sides in the width direction, and preferably, at least a portion of the non-skin side stretchable member 52 does not overlap with the absorbent cores 411 and 421 of the pad 2 in the unfolded and stretched state. Figure 4 In the embodiment, two non-skin side stretchable members 52 are arranged side by side in the width direction in each side portion of the pad 2, and the outer non-skin side stretchable members 52 do not overlap with the absorbent cores 411 and 421. Therefore, it is possible to suppress the shrinkage of the non-skin side stretchable members 52 from being hindered by the absorbent cores 411 and 421 having relatively high rigidity.
[0170] Furthermore, preferably, Fig.10 and Fig.11 As shown, when the diaper 1 and the pad 2 are in the unfolded and stretched state and are arranged so that the centers of the diaper 1 and the pad 2 in the longitudinal direction and the width direction are aligned, in a plan view, at least a portion ( Figure 4 The outer non-skin side stretchable member 52 in the pad 2 does not overlap not only the pad 2 but also the absorbent core 31 of the diaper 1. According to this structure, it is possible to suppress the situation where the contraction of the non-skin side stretchable member 52 is hindered by the high rigidity absorbent core 31 of the diaper 1 supported from below the pad 2. In this way, by ensuring the contraction of the non-skin side stretchable member 52, the pad 2 is easier to fit the leg circumference of the wearer, and it is also easier to deform with the deformation guide area 43 of the pad 2 as the folding starting point, and it is easier to form a dome-shaped protrusion T2.
[0171] Also, like the pad 2, an appearance sheet 7 having an appearance (e.g., a grid-like pattern) that can be seen from the skin side of the pad 1 can be provided between the pair of deformation guide areas 43 on the front side and the pair of deformation guide areas 43 on the rear side. According to this configuration, the sections corresponding to the dome-shaped protrusions T1 and T2 are more prominent, and the user can be given an impression of good fit and improved anti-leakage protection.
[0172] like Figure 2As shown, the panty deformation guide includes a central deformation guide 34 extending in the longitudinal direction in the central portion in the longitudinal direction and the width direction of the diaper 1. The basis weight (g / m 2 ) is lower in the central deformation guide portion 34 than in the region adjacent to the central deformation guide portion on the outside in the width direction.
[0173] Similarly, if Figure 4 As shown, the pad deformation guide includes a central deformation guide 44 extending in the longitudinal direction in the central portion in the longitudinal and width directions of the pad 2. The basis weight of the absorbent cores 411 and 421 is lower in the central deformation guide 44 than in the area adjacent to the central deformation guide on the outside in the width direction.
[0174] The central deformation guides 34 and 44 in the present embodiment are slits (areas with zero basis weight) that penetrate the absorbent cores 31, 411, and 421 in the thickness direction, but are not limited thereto, and may include a portion of the absorbent cores 31, 411, and 421. In addition, the central deformation guide 34 of the diaper 1 has a rectangular shape that is long in the longitudinal direction. Since the absorbent cores 411 and 421 of the pad 2 form a two-layer structure, the first absorbent core 411 and the second absorbent core 421 include central deformation guides 441 and 442, respectively. The central deformation guide 441 on the skin side has a roughly hourglass shape having an elliptical shape extending in the longitudinal direction and a central portion that narrows in the longitudinal direction. The central deformation guide 442 on the non-skin side has an elliptical shape extending in the longitudinal direction. However, Figure 2 and Figure 4 The shapes of the central deformation guides 34 and 44 shown are merely examples, and the present invention is not limited thereto.
[0175] When a force is applied to close the legs of the wearer, the central deformation guides 34 and 44 serve as folding starting points, and the widthwise central portions of the absorbent cores 31, 411, and 421 are folded in the widthwise direction, and the central portions are formed. Fig. 9 The projections T1 and T2 are shown in A. Therefore, the crotch portion of the diaper 1 and the pad 2 can easily fit the crotch of the wearer. Moreover, the width of the diaper 1 and the pad 2 is shortened, thereby reducing the feeling of rigidity.
[0176] In addition, the central deformation guides 34 and 44 are composed of a low basis weight portion, so the excreted urine can be quickly sucked into the absorbent cores 31, 411, and 421 and diffused therein. This reduces the accumulation of liquid at the surface of the diaper 1 or pad 2, thereby suppressing leakage. However, the present invention is not limited thereto, and the central deformation guides 43 and 44 may be compression grooves formed by embossing or the like.
[0177] Moreover, the central deformation guides 34 and 44 are located between the pair of deformation guide regions 33 and 43 on the front side and the pair of deformation guide regions 33 and 43 on the rear side. Therefore, in the dome-shaped protrusion formed by the deformation guide regions 33 and 43, the portion corresponding to the peak of the protrusions T1 and T2 is formed by the central deformation guides 34 and 44. This can promote the bulging of the protrusions T1 and T2.
[0178] Furthermore, in the case of a two-layer structure like the absorbent body 40 of the pad 2, in the crotch portion 2C of the pad 2, preferably, the width of the second absorbent core 422 on the non-skin side is smaller than the width of the first absorbent core 421 on the skin side. According to this configuration, the absorbent cores 31, 411, and 421 can be easily folded in the width direction with the central deformation guides 34 and 44 serving as the folding starting point.
[0179] Although the panty deformation guides 33 and 34 and the pad deformation guides 43 and 44 are described above, these are merely examples, and the panty deformation guides and the pad deformation guides are not particularly limited as long as they promote the protruding deformation toward the skin side of the absorbent cores 31, 411, and 421. Moreover, the diaper 1 or the pad 2 may be provided with only one of the pair of deformation guide areas 33 and 43 or the central deformation guides 34 and 44, or the pair of deformation guide areas 33 and 43 may be provided only on one side in the longitudinal direction.
[0180] Moreover, if Fig.12 As shown in the variation example of A, preferably, when the diaper 1 and the pad 2 are in the unfolded and stretched state and are configured so that the centers of the diaper 1 and the pad 2 in the longitudinal direction and the width direction are aligned, on each side in the longitudinal direction, the inner end P2 of the top of a pair of deformation guide areas 33 of the diaper 1 is located on the outside of the inner end P1 of the top of a pair of deformation guide areas 43 of the pad 2 in the longitudinal direction, or the inner end P2 associated with the diaper 1 and the inner end P1 associated with the pad 2 are aligned in the longitudinal direction (not shown).
[0181] In this case, the deformation guide area 33 of the diaper 1 is easily located outside the deformation guide area 43 of the pad 2 in the longitudinal direction, and the dome-shaped protrusion T1 that is larger in the longitudinal direction is easily formed in the diaper 1. Therefore, the pad 2 is pushed upward by the protrusion T1 of the diaper 1, and the protrusion T2 of the pad 2 is easily formed.
[0182] Furthermore, contrary to the above, if Fig.12 As shown in the variant example in B, when the diaper 1 and the pad 2 are in an unfolded and stretched state and are configured so that the centers of the diaper 1 and the pad 2 in the longitudinal and width directions are aligned, the inner ends P2 of the tops of a pair of deformation guide areas 33 of the diaper 1 can be located on the inner side of the inner ends P1 of the tops of a pair of deformation guide areas 43 of the pad 2 in the longitudinal direction.
[0183] In this case, the deformation guide area 33 of the diaper 1 is easily located inside the deformation guide area 43 of the pad 2 in the longitudinal direction, and the dome-shaped protrusion T2 that is larger in the longitudinal direction is easily formed in the pad 2. Therefore, the protrusion T1 of the diaper 1 can be easily fitted inside the protrusion T2 of the pad 2, the protrusion T1 of the diaper 1 stably supports the protrusion T2 of the pad 2 from below, and the displacement of the protrusion T2 of the pad 2 in the longitudinal direction can be suppressed.
[0184] Note that when the deformation guide region on one side in the width direction is spaced apart from the deformation guide region on the other side in the width direction, the pair of deformation guide regions 43 ( Figure 4 ), the inner ends of the tops of the pair of deformation guide areas 33 and 43 are determined as follows. Specifically, for each of the pair of deformation guide areas 33 and 43 in the longitudinal direction, a virtual line L is drawn to connect the outer end pa in the width direction and the inner end pb in the width direction. The intersection of the virtual line L is defined as the inner ends of the tops of the pair of deformation guide areas 33 or 43.
[0185] Furthermore, it is preferred that the diaper 1 and the pad 2 (absorbent pad) worn therewith have the following relationship. Specifically, it is preferred that Fig.11 As shown, the length W1 in the width direction of the absorbent core 31 of the diaper 1 at the center CL in the longitudinal direction of the diaper 1 in the unfolded and stretched state is less than or equal to the length W2 in the width direction of the absorbent cores 411 and 421 of the pad 2 at the center CL1 in the longitudinal direction of the pad 2 in the unfolded and stretched state (W1≤W2).
[0186] Similarly, preferably, the pad 2 and the diaper 1 (underwear-shaped absorbent article) worn therewith have the following relationship. Specifically, preferably, the length W2 of the absorbent cores 411 and 421 of the pad 2 in the width direction at the center CL1 in the longitudinal direction of the pad 2 in the unfolded and stretched state is greater than or equal to the length W1 of the absorbent core 31 of the diaper 1 in the width direction at the center CL in the longitudinal direction of the diaper 1 in the unfolded and stretched state (W2≥W1).
[0187] As described above, the absorbent cores 411 and 412 of the pad 2 are wider than the absorbent core 31 of the diaper 1, so that the protrusion T2 that is larger in the width direction is easily formed in the pad 2. Therefore, the protrusion T1 of the diaper 1 can be easily fitted to the inner side of the protrusion T2 of the pad 2, the protrusion T1 of the diaper 1 stably supports the protrusion T2 of the pad 2 from below, and the displacement of the protrusion T2 of the pad 2 in the width direction can be suppressed.
[0188] like Fig.11As shown, the absorbent core 31 of the diaper 1 has a substantially hourglass shape, wherein the contraction portion 30c is located between the two ends in the longitudinal direction and has a width narrower than the two ends in the width direction. In this case, preferably, the underwear deformation guides 33 and 34 have a portion overlapping with the contraction portion 30c in the longitudinal direction.
[0189] Similarly, the absorbent cores 411 and 421 of the pad 2 also have a substantially hourglass shape, wherein the contraction portion 40c is located between the two end portions in the longitudinal direction and has a width narrower than the two end portions in the width direction. In this case, preferably, the pad deformation guides 43 and 44 have a portion overlapping the contraction portion 40c in the longitudinal direction. Moreover, in the case where both the first absorbent core 411 and the second absorbent core 421 forming a two-layer structure have contractions, the pad deformation guides 43 and 44 only need to have at least a portion overlapping the contraction portion 40c that is longer in the longitudinal direction, but preferably have a portion overlapping both contractions.
[0190] The force for closing the legs of the wearer is more easily transmitted to the contraction parts of the absorbent cores 31, 411, and 412 than to the non-contraction parts. In addition, since the absorbent cores 31, 411, and 421 themselves (basis weight) are smaller in the contraction parts 30c and 40c, the absorbent cores 31, 411, and 421 can be easily deformed. Therefore, due to the underwear deformation guides 33 and 34 and the pad deformation guides 43 and 44, the absorbent cores 31, 411, and 421 can be easily deformed into a desired shape, and the protrusions T1 and T2 that fit along the crotch of the wearer are easily formed.
[0191] ===End deformation guides 35 and 45 ===
[0192] like Figure 2 As shown, preferably, the end portion ( Figure 2 The front end portion in the embodiment has an end deformation guide portion 35 extending in the longitudinal direction and serving as a deformation starting point.
[0193] Preferably, if Figure 4 As shown, the absorbent cores 411 and 421 of the pad 2 are at least one end portion ( Figure 4 The front end portion and the rear end portion in the embodiment have end deformation guide portions 45 and 46 extending in the longitudinal direction and serving as deformation starting points.
[0194] The end deformation guides 35, 45 and 46 are portions that serve as folding starting points of the absorbent cores 31, 411 and 421 due to the difference in rigidity between adjacent regions in the width direction. The end deformation guides 35 of the diaper 1 and the end deformation guides 46 of the pad 2 are compression grooves formed by compressing at least a portion of the absorbent cores 31, 411 and 421 in the thickness direction. In addition, the density of the absorbent cores 31, 411 and 421 is higher in the end deformation guides 35 and 46 that serve as compression grooves, so the end deformation guides 35 and 46 are also used to diffuse the excrement, so that the absorbent cores 31, 411 and 421 are effectively utilized. Moreover, the other end deformation guide 45 of the pad 2 is a portion where the absorbent core is a single layer (only the first absorbent core 411 is present) and the basis weight is low.
[0195] The end deformation guides 35 and 46 as compression grooves are used as folding starting points, and the ends in the width direction of the end deformation guides 45 with lower rigidity (the boundary between the two-layer area and the one-layer area of the absorbent core) are also used as folding starting points. Therefore, the ends in the longitudinal direction of the absorbent cores 31, 411 and 421 can be easily folded in the width direction with the end deformation guides 35, 45 and 46 extending in the longitudinal direction as folding starting points. This allows the front ends of the absorbent cores 31, 411 and 421 to be easily deformed to fit the curve of the lower abdominal area of the wearer. Similarly, the rear ends of the absorbent cores 31, 411 and 412 can be easily deformed to fit the curve of the wearer's buttocks. This improves the fit of the absorbent cores 31, 411 and 421 to the wearer.
[0196] In addition, like the end deformation guide portion 35 of the diaper 1, preferably, a pair of end deformation guide portions 35 are provided at the end portions ( Figure 2 The absorbent core 31 (absorbent body 10) is disposed in the corresponding side portion in the width direction of the front end portion in the wearer's crotch portion (the front end portion in the wearer's crotch portion), and extends outward from the central region in the longitudinal direction while being inclined outward in the width direction. According to this configuration, the absorbent core 31 (absorbent body 10) can be easily deformed into a shape similar to a shape that is spread out in the width direction from the crotch portion of the wearer toward the groin portion (or buttocks). Therefore, the absorbent core 31 can fit more easily around the wearer's groin (lower abdomen) and buttocks.
[0197] In addition, if Fig.10 and Fig.11 As shown, preferably, when the diaper 1 and the pad 2 used overlapping each other are in an unfolded and stretched state and are configured so that the centers of the diaper 1 and the pad 2 in the longitudinal and width directions are aligned, the end deformation guide 35 of the diaper 1 has an area overlapping with the end deformation guides 45 and 46 of the pad 2 in a plan view.
[0198] According to this configuration, when the pad 2 is stacked on the diaper 1, the absorbent core 31 of the diaper 1 and the absorbent cores 411 and 421 of the pad 2 are easily folded in a similar manner using the end deformation guides 35, 45 and 46 located at the same position or close to each other as folding starting points. Therefore, the absorbent core 31 of the diaper 1 and the absorbent cores 411 and 421 of the pad 2 are easily deformed into a shape that fits the groin and buttocks of the wearer. This improves fit and reduces the feeling of rigidity.
[0199] Note that, in the diaper 1 and the pad 2 of the present embodiment, the end deformation guides 35, 45, and 46 are provided in pairs on the corresponding sides in the width direction in the end in one longitudinal direction, but the present invention is not limited thereto. For example, the end deformation guides may be provided in the center portion in the width direction of the end in the longitudinal direction of the diaper 1 or the pad 2. Furthermore, the diaper 1 and the pad 2 do not necessarily have the end deformation guides 35, 45, and 46.
[0200] ===Other Structures of Diaper 1 and Pad 2 ===
[0201] The diaper 1 may have a "panty alignment indicator" visible from the skin side surface, and the pad 2 may have a "pad alignment indicator" visible from the skin side surface. In this embodiment, the panty deformation guides 33 and 34 (particularly a pair of deformation guide areas 33 as compressions) are used as panty alignment indicators, and the pad deformation guides 43 and 44 (particularly a pair of deformation guide areas 43 as compressions) are used as pad alignment indicators. In order to enhance the visibility of the deformation guide areas 33 and 43 from the skin side surface, the front sheets 11 and 3 may also be compressed together with the absorbent cores 31, 411 and 421.
[0202] The user (such as a wearer) can align the diaper 1 and the pad 2 in proper positions by using the underwear alignment indicators (33 and 34) and the pad alignment indicators (43 and 44). As a result, the protrusions T1 and T2 having similar shapes (according to the desired shapes of the corresponding deformation guides) are more likely to be formed at the same positions in the diaper 1 and the pad 2, thereby improving the fit to the wearer and reducing rigidity.
[0203] Furthermore, it is easier for the user to realize that the diaper 1 and the pad 2 are aligned so that the panty alignment indications (33 and 34) and the pad alignment indications (43 and 44) overlap each other. In view of this, it is preferred that when the diaper 1 and the pad 2 are in the unfolded and stretched state and are arranged so that the centers of the diaper 1 and the pad 2 in the longitudinal direction and the width direction are aligned ( Fig.10 ), the panty alignment indication portions (33 and 34) and the pad alignment indication portions (43 and 44) have areas overlapping each other in a plan view.
[0204] According to this configuration, when the user overlaps the diaper 1 and the pad 2, the diaper 1 and the pad 2 are more likely to be in an appropriate positional relationship ( Fig.10 ), so that the panty alignment indication parts (33 and 34) and the pad alignment indication parts (43 and 44) overlap each other. However, the present invention is not limited to the above case, and the panty alignment indication parts (33 and 34) and the pad alignment indication parts (43 and 44) are overlapped with each other. Fig.10 The states shown do not necessarily require overlapping areas.
[0205] Furthermore, by using the underwear deformation guides 33 and 34 and the pad deformation guides 43 and 44 as the alignment indication parts, the construction of the diaper 1 and the pad 2 can be simplified compared with the case where separate alignment indication parts are provided. In particular, the underwear deformation guides 33 and 34 and the pad deformation guides 43 and 44 of the present embodiment have similar shapes and can therefore be easily recognized as alignment marks by the user.
[0206] However, the present invention is not limited to the above, and patterns used as alignment marks (e.g., the same mark or arrow indicating the attachment position) or text indicating the attachment position may be used as the underwear alignment indicating portion and the pad alignment indicating portion in addition to the underwear deformation guides 33 and 34 and the pad deformation guides 43 and 44. In addition, a configuration is possible in which only either the diaper 1 or the pad 2 is provided with the alignment indicating portion, or neither the diaper 1 nor the pad 2 is provided with the alignment indicating portion.
[0207] Moreover, in diaper 1 ( Figure 2 ), a joining member 15 for joining the pad 2 may be provided on the skin-side surface. According to this construction, the positional shift between the diaper 1 and the pad 2 can be suppressed when the diaper 1 is worn, thereby preventing the reduction in fit to the crotch due to the positional shift between the protrusion T1 of the diaper 1 and the protrusion T2 of the pad 2. In addition, the diaper 1 and the pad 2 are joined together in a flat manner by the joining member 15. Therefore, preferably, the joining member 15 is located on the outside of the underwear deformation guides 33 and 34 in the longitudinal direction. According to this construction, the deformation of the underwear deformation guides 33 and 34 can be prevented from being hindered by the joining member 15.
[0208] Similarly, in pad 2 ( Figure 4 ), a joining member 6 for joining the diaper 1 may be provided on the non-skin side surface. According to this configuration, positional deviation between the diaper 1 and the pad 2 (positional deviation between the protrusion T1 of the diaper 1 and the protrusion T2 of the pad 2) can be suppressed when the diaper 1 is worn. Moreover, preferably, the joining member 6 is located outside the pad deformation guides 43 and 44 in the longitudinal direction. According to this configuration, the deformation of the pad deformation guides 43 and 44 can be prevented from being hindered by the joining member 6.
[0209] The joining members 15 and 6 are preferably members that enable the diaper 1 and the pad 2 to be peeled off from each other without being damaged and that enable the diaper 1 and the pad 2 to be rejoined. The joining members 15 and 6 may be, for example, male members of a hook-and-loop fastener or an adhesive portion coated with an adhesive. In addition, the diaper 1 and the pad 2 may both be provided with the joining members 15 and 6, or only one of them may be provided with the joining members 15 or 6, or neither of them may be provided with the joining members 15 and 6.
[0210] ===Example (deformation direction specified test)===
[0211] Fig.13 A to Fig.13 C. Fig.14 A and Fig.14 B is a schematic diagram of the deformation direction specification test method. In the deformation direction specification test, a diaper (underwear-shaped absorbent article) and a pad (absorbent pad) to be tested are prepared, and the testee actually wears the test diaper and pad stacked on each other.
[0212] (1) First, the subject sits on a chair with their feet shoulder-width apart. For example, the distance from the outer end of the left leg to the outer end of the right leg is aligned with the subject's shoulder width. Then, their legs are passed through the diaper 1, and the diaper 1 is pulled up to a position below the knees (see Figure 6 ).
[0213] (2) Next, while still sitting on the chair, the testee inserts the folded pad through the waist opening BH of the diaper 1. Once the folded portion of the pad is in contact with the skin-side surface of the diaper, the pad is unfolded and the non-skin-side surface of the pad is superimposed on the skin-side surface of the diaper. In the case where the pad or the diaper has a joining member 15 or 6, the pad and the diaper are fixed by the joining member 15 or 6.
[0214] (3) Next, the test subject stood up from the chair and pulled up the diaper with the pad attached inside, thereby completing the putting on of the pad 2 and the diaper 1. The test subject then walked for 10 meters with a natural stride length and width.
[0215] (4) Next, with the subject standing with his feet shoulder-width apart, the width W3 of the absorbent bodies 30 and 40 (excluding the rigid portion of the exterior member 20) at the lower end of the diaper 1 is measured. Fig.13 As shown in A.
[0216] (5) Next, the side joint SS of the diaper 1 is torn open, and the diaper 1 and the pad 2 are removed from the wearer while keeping the width of the absorbent body at the lower end of the diaper 1 at the measured width W3, as shown in FIG. Fig.13B. Then, the diaper 1 with the pad 2 still stacked thereon is set on the test bench. Then, the lower end portion of the diaper 1 is fixed in a clamp 60 (for example, a clamp 60 that clamps the absorbent body from both sides in the width direction) in such a manner that the lower end (central position in the longitudinal direction) of the diaper 1 is maintained at the measured width W3. Note that the clamp 60 may be fixed to the diaper 1 below the outer member 20 (leg gather portion) located on the outer side in the width direction of the absorbent body 10, as shown in FIG. Fig.13 As shown in B.
[0217] (6) Thereafter, the pad 2 is removed from the diaper 1, and the pad 2 is also fixed by the clamp 60 in such a manner that the width of the absorbent body 40 at the crotch portion (central position in the longitudinal direction) of the pad 2 is maintained at the measured width W3, as shown in FIG. Fig.13 As shown in C.
[0218] (7) While the width of the crotch of the diaper 1 and the pad 2 is maintained at the measured width W3 (i.e., while the projections and depressions formed in the diaper 1 and the pad 2 when worn are maintained), observe the protrusions protruding toward the skin (measure the number of protrusions and the height of the protrusions).
[0219] Specifically, Fig.13 As shown in C, a range of 20 mm from the center line CL of the absorbent bodies 30 and 40 to both sides in the longitudinal direction is defined as an observation range of the protrusion, and the number of protrusions formed within the observation range is counted. Fig.14 A and Fig.14 As shown in B, the heights h1 and h2 of the protrusions formed within the observation range (the heights from the contact surface between the test table and the lower end of the diaper 1 or pad 2 to the apexes of the protrusions T1 and T2) are measured.
[0220] Note that after the above step (5), it may be checked whether the protruding portion T1 (skin-side surface) of the diaper 1 and the protruding portion T2 (non-skin-side surface) of the pad 2 are in contact with each other.
[0221] Whether the protrusions are in contact with each other can be checked based on, for example, the heights h1 and h2 of the protrusions of the diaper 1 and the pad 2. Specifically, when the height h1 of the protrusion T1 of the diaper 1 is greater than or equal to the value obtained by subtracting the thickness of the pad 2 from the height h2 of the protrusion T2 of the pad 2, the protrusions are considered to be in contact with each other. Note that the thickness of the pad 2 is the maximum thickness of the section where the absorbent cores 411 and 421 exist in the crotch portion 2C of the pad 2. The thickness can be measured by a known method, for example, by measuring the pad 2 in an unfolded and extended state using a measuring device (e.g., PEACOCK DIAL THICKNESS GAUGE Model T06795 or equivalent), wherein the load during the measurement is 3 g / cm 2 .
[0222] Alternatively, when the diaper 1 and the pad 2 are stacked and the projection T2 is pressed from the skin side surface of the pad 2, if there is a portion of the pad 2 where no depression is formed (a portion where no space is created between the pad 2 and the diaper 1), it can be determined that the projection is in contact.
[0223] Fig.15 A to Fig.15 C is a graph showing the deformation direction specification test results. Fig.16 : is a graph showing the results of rigidity during wearing. Diapers and pads were actually manufactured and subjected to deformation direction regulation tests. Diapers and pads according to the present example are diaper 1 of the present embodiment and pad 2 of the present embodiment. Diapers and pads according to comparative examples are underpants-shaped disposable diapers without underpants deformation guides 33 and 34 of the present embodiment and absorbent pads without pad deformation guides 43 and 44 of the present embodiment.
[0224] The test was conducted on 35 subjects (28 adult males and 7 adult females). The waist sizes of the subjects were as follows: 6 were S to M, 5 were M, 15 were M to L, 5 were L, 3 were L to LL, and 1 was LL.
[0225] Fig.15 A shows the result of the deformation direction regulation test according to the present invention, that is, when the highest protrusion among the protrusions formed within the observation range is identified and protrusions with a height less than 50% of the height of the highest protrusion are not counted as protrusions. Fig.15 B shows the result when the highest protrusion among the protrusions formed within the observation range is identified, and protrusions having a height less than 20% of the height of the identified protrusion are not counted as protrusions. Fig.15 C shows the result of counting all the protrusions formed within the observation range regardless of the height of the protrusions. Fig.15 B and Fig.15 C shows the results of a deformation direction specification test performed under a standard stricter than that of the present invention (the results of a test method in which a plurality of protrusions are easily identified and the deformation directions are easily determined to be different).
[0226] As a result, according to Fig.15As for the results in A, in the case of the diaper 1 of the present embodiment, for 83% of the diapers 1, there was only one protrusion (forming one main protrusion), the protrusion of the diaper 1 was not offset by the pad 2, and the deformation direction in the thickness direction was the same for the diaper 1 and the pad 2 worn in a manner overlapping each other. Similarly, in the case of the pad 2 of the present embodiment, for 89% of the pad 2, there was one protrusion, and the deformation direction in the thickness direction was the same for the diaper 1 and the pad 2 worn in a manner overlapping each other.
[0227] In contrast, for 69% of the diapers according to the comparative example, one protrusion existed, and the deformation direction in the thickness direction was the same for the diapers and pads worn in a manner overlapping each other. In addition, for 60% of the pads according to the comparative example, one protrusion existed, and the deformation direction in the thickness direction was the same for the diapers and pads worn in a manner overlapping each other.
[0228] In addition, Fig.15 In the results shown in B, 83% of the diapers 1 according to the present embodiment deformed in the same direction as the pad 2, and 89% of the pads 2 according to the present embodiment deformed in the same direction as the diaper 1, while in the comparative example, for only a smaller percentage of diapers (51%) and pads (34%), the pad and diaper deformed in the same direction.
[0229] exist Fig.15 In the results shown in C, in the case of diaper 1 of the present embodiment, 77% of diapers 1 were deformed in the same direction as pad 2, and in the case of pad 2 of the present embodiment, 83% of pad 2 were deformed in the same direction as diaper 1, while in the comparative example, for only a smaller percentage of diapers (49%) and pads (31%), the pad and diaper were deformed in the same direction.
[0230] From the above results, it is found that the combination of the diaper 1 having the underwear deformation guides 33 and 34 of the present embodiment and the pad 2 having the pad deformation guides 43 and 44 of the present embodiment makes it easier for the diaper and the pad to deform in the same thickness direction in the crotch than the combination of the diaper and the pad of the comparative example. Therefore, by combining the diaper 1 and the pad 2 of the present embodiment, it can be said that protrusions having similar shapes (protruding toward the skin) are easily formed in the same position without canceling each other, thereby improving the fit to the crotch of the wearer.
[0231] In addition, a part of the test subjects (22 people) who had undergone the deformation direction regulation test were asked to evaluate the rigidity feeling when wearing the combination of the diaper 1 and the pad 2 of the present embodiment and the combination of the diaper and the pad of the comparative example. The test subjects were asked to evaluate the rigidity feeling on a 5-point scale (1 point to 5 points), and the product that felt less rigid was given a lower score.
[0232] Results, such as Fig.16 As shown, the rigidity evaluation score (2.82) of the combination of the diaper 1 and the pad 2 of the present embodiment is lower than the rigidity evaluation score (3.64) of the combination of the diaper and the pad of the comparative example, thus indicating that the rigidity of the combination is lower.
[0233] From the above results, it can be said that in the deformation direction specification test, the probability that the diaper 1 deforms the absorbent core 31 so that the deformation direction in the thickness direction of the diaper 1 is the same as the deformation direction in the thickness direction of the pad 2 is 75% or more (preferably, the probability is 83% or more, such as Fig.15 In the case of the underwear deformation guides 33 and 34 (shown in FIG. 1A ), the rigidity feeling when wearing the diaper tends to be lower than that of the diaper according to the comparative example (a diaper with a probability of 69% that the deformation direction is the same as the deformation direction of the pad).
[0234] Similarly, it can be said that in the deformation direction specification test, the probability that the pad 2 deforms the absorbent cores 411 and 421 so that the deformation direction in the thickness direction of the pad 2 is the same as the deformation direction in the thickness direction of the diaper 1 is 75% or more (preferably, the probability is 89% or more, as shown in FIG. Fig.15 In the case of the pad deformation guides 43 and 44 (shown in FIG. 1A ), the rigidity feeling when wearing the pad tends to be lower than that of the pad according to the comparative example (the pad having a 60% probability of deformation direction being the same as that of the diaper).
[0235] More preferably, based on Fig.15 As a result of B, in the deformation direction regulation test, when a protrusion having a height less than 20% of the height of the highest protrusion is not counted as a protrusion, the following is preferred.
[0236] Specifically, preferably, the diaper 1 includes a deformation direction specification test in which the absorbent core 31 is deformed so that the deformation direction in the thickness direction of the diaper 1 is the same as the deformation direction in the thickness direction of the pad 2 with a probability of 75% or more (preferably, Fig.15 B is 83%) of the underwear deformation guide parts 33 and 34.
[0237] Similarly, preferably, the pad 2 includes a probability of 75% or more (preferably, Fig.15 B) of 89% pad deformation guides 43 and 44.
[0238] Furthermore, more preferably, based on Fig.15As a result of C, in the deformation direction specified test, when all protrusions are counted in the deformation direction specified test regardless of the height of the protrusions, the following is preferred.
[0239] Specifically, preferably, the diaper 1 includes a deformation direction specification test in which the absorbent core 31 is deformed so that the deformation direction in the thickness direction of the diaper 1 is the same as the deformation direction in the thickness direction of the pad 2 with a probability of 75% or more (preferably, Fig.15 C is 77%) of the underwear deformation guide parts 33 and 34.
[0240] Similarly, preferably, the pad 2 includes a probability of 75% or more (preferably, Fig.15 C) of pad deformation guides 43 and 44.
[0241] In the above case, it can be said that no small concavoconvexities are formed in the crotch portion of the diaper 1 and the pad 2. Therefore, the diaper 1 and the pad 2 can be easily deformed so that Fig. 9 The projections T1 and T2 are formed with ideal shapes as shown in A, thereby improving the fit to the wearer and enabling the reduction of rigidity. Also in the above case, compared with the diaper and pad according to the comparative example, the possibility of the same deformation direction when the pad and the diaper are used together is greater, and a lower rigidity result is also obtained in the evaluation results after actual use. In view of this, it can also be said that the feeling of rigidity can be reduced in the above case.
[0242] The above embodiments are provided to facilitate understanding of the present invention and are not intended to be interpreted as limiting the present invention. The present invention may be changed or improved without departing from the spirit of the present invention, not to mention that the present invention includes its equivalents.
[0243] Description of Reference Numerals
[0244] 1 (Pants-shaped) diapers (pants-shaped absorbent articles),
[0245] 2 (urine) pads (absorbent pads),
[0246] 3 front pieces, 4 back pieces, 5 side pieces,
[0247] 6 Jointing components,
[0248] 50 leak-proof wall portion,
[0249] 51 leak-proof wall elastic member, 52 non-skin side stretchable member,
[0250] 10 absorbent body, 11 front sheet, 12 back sheet,
[0251] 13 side panels, 14 leak-proof wall elastic components,
[0252] 15 joint members,
[0253] 20 external component, 21 skin side piece,
[0254] 22 front non-skin side piece, 23 rear non-skin side piece,
[0255] 24 buttocks cover sheet, 25 waist elastic member,
[0256] 26 leg elastic members,
[0257] 30 absorbent body, 31 absorbent core, 32 core wrapping sheet,
[0258] 33 deformation guide area (underwear deformation guide part),
[0259] 34 central deformation guide portion (underwear deformation guide portion),
[0260] 35 end deformation guide,
[0261] 40 absorber,
[0262] 41 first absorber,
[0263] 411 a first absorbent core, 412 a first core wrapping sheet,
[0264] 42 second absorber,
[0265] 421 second absorbent core, 422 second core wrapping sheet,
[0266] 43 deformation guide area (pad deformation guide portion),
[0267] 44 central deformation guide portion (pad deformation guide portion),
[0268] 45 end deformation guide portion, 46 end deformation guide portion,
[0269] 60 clamps,
[0270] 201 (Pants-shaped absorbent article) packaging body,
[0271] 211 packaging body, 212 brand display part, 213 logo display part,
[0272] 202 (absorbent pad) packaging,
[0273] 214 packaging body, 215 brand display part, 216 logo display part
Claims
1. A pant-shaped absorbent article having a longitudinal direction and a width direction in an unfolded state, The pant-shaped absorbent article comprises: an absorbent core; and a panty deformation guide located inside the outer edge of the absorbent core of the panty-shaped absorbent article, When an absorbent pad having a longitudinal direction and a width direction in an unfolded state and including an absorbent core is worn in a state arranged on the skin-side surface of the pant-shaped absorbent article, The underwear deformation guide deforms the absorbent core of the underwear-shaped absorbent article into a protruding shape protruding toward the skin side so as to contact the protruding portion of the absorbent pad, wherein in the protruding portion of the absorbent pad, the absorbent core of the absorbent pad is deformed in the crotch portion into a protruding shape protruding toward the skin side.
2. A pant-shaped absorbent article having a longitudinal direction, a width direction and a thickness direction in an unfolded state, The pant-shaped absorbent article comprises: an absorbent core; and a panty deformation guide located inside the outer edge of the absorbent core of the panty-shaped absorbent article, When an absorbent pad having a longitudinal direction, a width direction and a thickness direction in an unfolded state and including an absorbent core is placed on the skin side surface of the pant-shaped absorbent article and is worn, The underwear deformation guide deforms the absorbent core of the underwear-shaped absorbent article so that in a deformation direction specifying test for specifying the deformation direction, the deformation direction of the underwear-shaped absorbent article in the thickness direction of the underwear-shaped absorbent article matches the deformation direction of the absorbent pad in the thickness direction of the absorbent pad with a probability of 75% or greater.
3. A pant-shaped absorbent article having a longitudinal direction and a width direction in an unfolded state, The pant-shaped absorbent article comprises: Absorbent core, An absorbent pad can be placed on the skin-side surface of the pant-shaped absorbent article, The absorbent pad has a longitudinal direction and a width direction in an unfolded state, The absorbent pad comprises an absorbent core, The absorbent pad includes a pad deformation guide in a prescribed area of six areas equally divided in the longitudinal direction in an unfolded and stretched state, The pant-shaped absorbent article further includes at least a portion of a pant deformation guide in an area of the pant-shaped absorbent article that overlaps with the prescribed area of the absorbent pad in a plan view when the pant-shaped absorbent article and the absorbent pad are in an unfolded and extended state and are configured so that the centers of the pant-shaped absorbent article and the absorbent pad are aligned in the longitudinal direction and the width direction, The pants deformation guide deforms the absorbent core of the pants-shaped absorbent article.
4. The pant-shaped absorbent article according to claim 3, wherein: When the pant-shaped absorbent article and the absorbent pad are in an unfolded and extended state and are arranged so that the centers of the pant-shaped absorbent article and the absorbent pad in the longitudinal direction and the width direction are aligned, The pants deformation guide has an area overlapping with the pad deformation guide in a plan view.
5. The pant-shaped absorbent article according to any one of claims 1 to 4, wherein The underwear deformation guiding portion comprises two pairs of deformation guiding areas spaced apart in the longitudinal direction; Each pair of the deformation guiding regions includes two deformation guiding regions inclined to extend from respective ends in the width direction of the absorbent core of the underpants-shaped absorbent article toward the center while extending toward the outside in the longitudinal direction.
6. The pant-shaped absorbent article according to claim 5, wherein: The absorbent pad includes a pad deformation guide configured to deform the absorbent core of the absorbent pad, The pad deformation guide portion includes two pairs of deformation guide areas spaced apart in the longitudinal direction, Each pair of the deformation guiding regions includes two deformation guiding regions which are inclined to extend from respective ends in the width direction of the absorbent core of the absorbent pad toward the center while extending toward the outside in the longitudinal direction, and When the pant-shaped absorbent article and the absorbent pad are in an unfolded and extended state and are arranged so that the centers of the pant-shaped absorbent article and the absorbent pad in the longitudinal direction and the width direction are aligned, On each side in the longitudinal direction, the inner ends of the tops of the pair of deformation guide areas of the underwear deformation guide portion are positioned in any one of the following positioning manners relative to the longitudinal direction: outside of inner ends of tops of a pair of the deformation guide regions of the pad deformation guide portion; and The inner ends of the tops of the pair of deformation guide areas of the pad deformation guide portion are aligned.
7. The pant-shaped absorbent article according to claim 5, wherein: The absorbent pad includes a pad deformation guide configured to deform the absorbent core of the absorbent pad, The pad deformation guide portion includes two pairs of deformation guide areas spaced apart in the longitudinal direction, Each pair of the deformation guiding regions includes two deformation guiding regions which are inclined to extend from respective ends in the width direction of the absorbent core of the absorbent pad toward the center while extending toward the outside in the longitudinal direction, and When the pant-shaped absorbent article and the absorbent pad are in an unfolded and extended state and are arranged so that the centers of the pant-shaped absorbent article and the absorbent pad in the longitudinal direction and the width direction are aligned, On each side in the longitudinal direction, inner ends of the tops of the pair of deformation guide areas of the underpants deformation guide are located inside inner ends of the tops of the pair of deformation guide areas of the pad deformation guide with respect to the longitudinal direction.
8. The pant-shaped absorbent article according to any one of claims 1 to 4, wherein The pants deformation guide includes a central deformation guide extending in the longitudinal direction in a central portion of the pants-shaped absorbent article with respect to the longitudinal direction and the width direction, and The basis weight of the absorbent core of the pants-shaped absorbent article is lower in the central deformation guiding portion than in a region adjacent to the central deformation guiding portion on the outer side in the width direction.
9. The pant-shaped absorbent article according to any one of claims 1 to 4, wherein: The pant-shaped absorbent article further comprises a panty alignment indicator visible from the skin-side surface, The absorbent pad includes a pad alignment indicator visible from the skin-side surface, and When the pant-shaped absorbent article and the absorbent pad are in an unfolded and extended state and are arranged so that the centers of the pant-shaped absorbent article and the absorbent pad in the longitudinal direction and the width direction are aligned, The panty alignment indicator has an area overlapping the pad alignment indicator in plan view.
10. The pant-shaped absorbent article according to any one of claims 1 to 4, wherein: The pant-shaped absorbent article further includes an engagement member disposed on the skin-side surface and configured to engage the absorbent pad, and The engaging member is located outside the pants deformation guiding portion in the longitudinal direction.
11. The pant-shaped absorbent article according to any one of claims 1 to 4, wherein: The absorbent core of the pants-shaped absorbent article includes a contraction portion located between both end portions in the longitudinal direction and having a width in the width direction that is narrower than that of the both end portions, and The pants deformation guiding portion has a portion overlapping the contraction portion in the longitudinal direction.
12. The pant-shaped absorbent article according to any one of claims 1 to 4, wherein: The absorbent core of the pants-shaped absorbent article includes an end deformation guide portion in at least one end portion on one side of the pants deformation guide portion in the longitudinal direction. The end deformation guide portion extends in the longitudinal direction and is configured to serve as a deformation starting point.
13. The pant-shaped absorbent article according to claim 12, wherein: A pair of the end deformation guides are provided in the respective side portions in the width direction in the end portion of the absorbent core, The pair of end deformation guides extend outward from the center in the longitudinal direction while being inclined outward in the width direction.
14. The pant-shaped absorbent article according to claim 12, wherein: The absorbent core of the absorbent pad comprises a pad deformation guide, and an end deformation guide portion located in an end portion on at least one side in the longitudinal direction relative to the pad deformation guide portion, The end deformation guide portion extends in the longitudinal direction and is configured to serve as a deformation starting point, and When the pant-shaped absorbent article and the absorbent pad are in an unfolded and extended state and are arranged so that the centers of the pant-shaped absorbent article and the absorbent pad in the longitudinal direction and the width direction are aligned, The end deformation guide of the pants-shaped absorbent article has an area overlapping with the end deformation guide of the absorbent pad in a plan view.
15. The pant-shaped absorbent article according to any one of claims 1 to 4, wherein In the unfolded and stretched state, the length in the width direction of the absorbent core of the underpants-shaped absorbent article at the center in the longitudinal direction of the underpants-shaped absorbent article is Less than or equal to The length in the width direction of the absorbent core of the absorbent pad at the center in the longitudinal direction of the absorbent pad in the unfolded and extended state.
16. A pant-shaped absorbent article package, comprising: A package body containing the pant-shaped absorbent article according to any one of claims 1 to 4, The packaging body comprises a brand display portion that displays a brand name common to the pant-shaped absorbent article and the absorbent pad; and A logo display portion is used to distinguish the underwear-shaped absorbent article from the absorbent pad.
17. An absorbent pad having a longitudinal direction and a width direction in an unfolded state, The absorbent pad comprises: an absorbent core; and a pad deformation guide located inside the outer edge of the absorbent core of the absorbent pad, When the absorbent pad is worn in a state where it is arranged on the skin-side surface of a pant-shaped absorbent article, wherein the pant-shaped absorbent article has a longitudinal direction and a width direction in an unfolded state and includes an absorbent core, The pad deformation guide deforms the absorbent core of the absorbent pad into a protruding shape protruding toward the skin side so as to contact the protruding portion of the underwear-shaped absorbent article, wherein in the protruding portion of the underwear-shaped absorbent article, the absorbent core of the underwear-shaped absorbent article is deformed into a protruding shape protruding toward the skin side in the crotch portion.
18. An absorbent pad having a longitudinal direction, a width direction and a thickness direction in an unfolded state, The absorbent pad comprises: an absorbent core; and a pad deformation guide located inside the outer edge of the absorbent core of the absorbent pad, After the absorbent pad is worn in a state where the absorbent pad is arranged on the skin-side surface of a pant-shaped absorbent article, wherein the pant-shaped absorbent article has a longitudinal direction, a width direction, and a thickness direction in an unfolded state and includes an absorbent core, The pad deformation guide deforms the absorbent core of the absorbent pad so that in a deformation direction specifying test for specifying the deformation direction, the deformation direction of the absorbent pad in the thickness direction of the absorbent pad matches the deformation direction of the underwear-shaped absorbent article in the thickness direction of the underwear-shaped absorbent article with a probability of 75% or greater.
19. An absorbent pad having a longitudinal direction and a width direction in an unfolded state, The absorbent pad comprises: Absorbent core, The absorbent pad can be placed on the skin-side surface of a pant-shaped absorbent article. The pant-shaped absorbent article has a longitudinal direction and a width direction in an unfolded state, The pant-shaped absorbent article comprises an absorbent core, The pant-shaped absorbent article comprises a pant deformation guide in a prescribed area of six areas equally divided in the longitudinal direction in an unfolded and stretched state, The absorbent pad further includes at least a portion of the pad deformation guide in an area that overlaps with a prescribed area of the pant-shaped absorbent article in a plan view when the pant-shaped absorbent article and the absorbent pad are in an unfolded and extended state and are configured so that the centers of the pant-shaped absorbent article and the absorbent pad in the longitudinal direction and the width direction are aligned, The pad deformation guide deforms the absorbent core of the absorbent pad.
20. The absorbent pad of claim 19, wherein: When the pant-shaped absorbent article and the absorbent pad are in an unfolded and extended state and are arranged so that the centers of the pant-shaped absorbent article and the absorbent pad in the longitudinal direction and the width direction are aligned, The pad deformation guide has an area overlapping with the pants deformation guide in a plan view.
21. An absorbent pad according to any one of claims 17 to 20, wherein The pad deformation guide portion includes two pairs of deformation guide areas spaced apart in the longitudinal direction, Each pair of the deformation guiding regions includes two deformation guiding regions inclined to extend from respective ends in the width direction of the absorbent core of the absorbent pad toward the center while extending toward the outside in the longitudinal direction.
22. The absorbent pad of claim 21, wherein: The pant-shaped absorbent article comprises a pant deformation guide configured to deform the absorbent core of the pant-shaped absorbent article, The underwear deformation guiding portion comprises two pairs of deformation guiding areas spaced apart in the longitudinal direction. Each pair of the deformation guiding regions includes two deformation guiding regions which are inclined to extend toward the center from the corresponding ends in the width direction of the absorbent core of the underpants-shaped absorbent article while extending toward the outside in the longitudinal direction, and When the pant-shaped absorbent article and the absorbent pad are in an unfolded and extended state and are arranged so that the centers of the pant-shaped absorbent article and the absorbent pad in the longitudinal direction and the width direction are aligned, On each side in the longitudinal direction, the inner ends of the tops of the pair of deformation guide areas of the underwear deformation guide portion are positioned in any one of the following positioning manners relative to the longitudinal direction: outside of inner ends of tops of a pair of the deformation guide regions of the pad deformation guide portion; and The inner ends of the tops of the pair of deformation guide areas of the pad deformation guide portion are aligned.
23. The absorbent pad of claim 21, wherein: The pant-shaped absorbent article comprises a pant deformation guide configured to deform the absorbent core of the pant-shaped absorbent article, The underwear deformation guiding portion comprises two pairs of deformation guiding areas spaced apart in the longitudinal direction, Each pair of the deformation guiding regions includes two deformation guiding regions which are inclined to extend toward the center from the corresponding ends in the width direction of the absorbent core of the underpants-shaped absorbent article while extending toward the outside in the longitudinal direction, and When the pant-shaped absorbent article and the absorbent pad are in an unfolded and extended state and are arranged so that the centers of the pant-shaped absorbent article and the absorbent pad in the longitudinal direction and the width direction are aligned, On each side in the longitudinal direction, inner ends of the tops of the pair of deformation guide areas of the underpants deformation guide are located inside inner ends of the tops of the pair of deformation guide areas of the pad deformation guide with respect to the longitudinal direction.
24. An absorbent pad according to any one of claims 17 to 20, wherein the pad deformation guide portion includes a central deformation guide portion extending in the longitudinal direction in a central portion of the absorbent pad with respect to the longitudinal direction and the width direction, and The basis weight of the absorbent core of the absorbent pad is lower in the central deformation guiding portion than in a region adjacent to the central deformation guiding portion on the outer side in the width direction.
25. An absorbent pad according to any one of claims 17 to 20, wherein The pant-shaped absorbent article further comprises a panty alignment indicator visible from the skin-side surface, The absorbent pad includes a pad alignment indicator visible from the skin-side surface, and When the pant-shaped absorbent article and the absorbent pad are in an unfolded and extended state and are arranged so that the centers of the pant-shaped absorbent article and the absorbent pad in the longitudinal direction and the width direction are aligned, The pad alignment indicator has an area overlapping the panty alignment indicator in plan view.
26. An absorbent pad according to any one of claims 17 to 20, wherein The absorbent pad further includes an engagement member disposed on the non-skin side surface and configured to engage the pant-shaped absorbent article, and The engaging member is located outside the pad deformation guide portion in the longitudinal direction.
27. An absorbent pad according to any one of claims 17 to 20, wherein The absorbent core of the absorbent pad includes a contraction portion located between both end portions in the longitudinal direction and having a width in the width direction that is narrower than that of the both end portions, and The pad deformation guide portion has a portion overlapping the constriction portion in the longitudinal direction.
28. An absorbent pad according to any one of claims 17 to 20, wherein The absorbent core of the absorbent pad includes an end deformation guide portion in an end portion on at least one side in the longitudinal direction relative to the pad deformation guide portion, The end deformation guide portion extends in the longitudinal direction and is configured to serve as a deformation starting point.
29. The absorbent pad of claim 28, wherein: The absorbent core of the pant-shaped absorbent article comprises The panty deformation guide portion, and an end deformation guide portion, which is located at an end portion on at least one side in the longitudinal direction relative to the underwear deformation guide portion, The end deformation guide portion extends in the longitudinal direction and is configured to serve as a deformation starting point, and When the pant-shaped absorbent article and the absorbent pad are in an unfolded and extended state and are arranged so that the centers of the pant-shaped absorbent article and the absorbent pad in the longitudinal direction and the width direction are aligned, The end deformation guide of the absorbent pad has an area overlapping with the end deformation guide of the pants-shaped absorbent article in a plan view.
30. The absorbent pad of any one of claims 17 to 20, wherein In the unfolded and stretched state, the length in the width direction of the absorbent core of the absorbent pad at the center in the longitudinal direction of the absorbent pad is Greater than or equal to The length in the width direction of the absorbent core of the pants-shaped absorbent article at the center in the longitudinal direction of the pants-shaped absorbent article in the unfolded and extended state.
31. An absorbent pad package, comprising: A packaging body containing an absorbent pad according to any one of claims 17 to 20, The packaging body comprises a brand display portion that displays a brand name common to the pant-shaped absorbent article and the absorbent pad; and A logo display portion is used to distinguish the underwear-shaped absorbent article from the absorbent pad.
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