Absorbent article
By introducing post-treatment components and hook components into absorbent articles, the problems of compact roll-up and maneuverability of absorbent articles during disposal are solved, achieving a clean disposal process.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- Filing Date
- 2019-07-30
- Publication Date
- 2026-03-24
AI Technical Summary
Existing absorbent materials are difficult to roll up tightly and are difficult to handle when discarded, especially the elongated parts with substrates are difficult to join smoothly, making it impossible for users to dispose of them cleanly.
By introducing post-processing components into absorbent articles, hook components are arranged on the non-skin side of the main body. The hook components are then engaged with the surface sheet to form multiple curved base points and deformation areas, thereby achieving compact rolling and clean disposal of absorbent articles.
It enables compact rolling and cleaning of absorbent items upon disposal, improving operability and ensuring the cleanliness of absorbent items upon disposal.
Smart Images

Figure CN116492144B_ABST
Abstract
Description
[0001] This application is a divisional application of an application with the application number 201910694226.9, the application date of July 30, 2019, and the invention name of "absorbent article". TECHNICAL FIELD
[0002] The present application relates to an absorbent article provided with a post-processing member used at the time of disposal. BACKGROUND
[0003] Patent Document 1 discloses an absorbent article such as a disposable diaper, a sanitary napkin, provided with a post-processing member used at the time of disposal. The post-processing member of Patent Document 1 is a tape member having a tape base material and a main body adhesive portion provided on the tape base material. The tape base material is provided with a base portion fixed to a back sheet and an elongated portion provided continuously with the base portion and elongatable. The main body adhesive portion is provided on the elongated portion. At the time of disposal of the absorbent article, the user elongates the elongated portion of the tape base material and fixes the absorbent article in a rolled-up state using the main body adhesive portion.
[0004] PATENT LITERATURE
[0005] Patent Document 1: Japanese Patent Application Publication No. H9-99010 SUMMARY
[0006] PROBLEMS ADDRESSED BY THE INVENTION
[0007] The tape base material described in Patent Document 1 is folded before use, and the main body adhesive portion is disposed between the folded tape base material. The main body adhesive portion is provided on a surface that faces the back sheet side in the elongated state, and is engaged with the back sheet at the time of disposal to fix the absorbent article in a rolled-up state.
[0008] As with the absorbent article of Patent Document 1, an absorbent article that can be compactly rolled up and maintained in a rolled-up state at the time of disposal is sought. However, the absorbent article provided with a tape member for disposal has not yet been sufficiently popularized, and some users cannot smoothly perform the operation of elongating the tape member, or cannot engage the tape member at a desired position, and there is room for improvement in operability.
[0009] Thus, an absorbent article that can be cleanly disposed in a rolled-up state using a post-processing member is desired.
[0010] SOLUTIONS FOR ADDRESSING THE PROBLEMS
[0011] An absorbent article of one aspect has: a front-rear direction; a width direction orthogonal to the front-rear direction; a main body portion having a surface sheet, a back sheet, and an absorbent core; and a post-processing member disposed on a non-skin side of the main body portion, the main body portion having a bending base point portion configured so that the main body portion can be bent in a thickness direction, a first deformation region having a plurality of the bending base point portions disposed at intervals in the front-rear direction being provided in a width region extending in the width direction from the post-processing member, and a second deformation region having a plurality of the bending base point portions disposed at intervals in the front-rear direction being disposed at intervals in the width direction from the first deformation region, the post-processing member having a hook member that can be engaged with the surface sheet in a state in which the main body portion is folded with the skin side inside. BRIEF DESCRIPTION OF DRAWINGS
[0012] FIG. 1 is a plan view of the absorbent article of the first embodiment as viewed from the skin side in a deployed state.
[0013] FIG. 2 is a plan view of the absorbent article of the first embodiment as viewed from the skin side in a first folded state.
[0014] FIG. 3 is a plan view of the absorbent article of the first embodiment as viewed from the non-skin side in a deployed state.
[0015] FIG. 4 is a cross-sectional view along the line A-A shown in FIG. 1 .
[0016] FIG. 5 is an enlarged view of the portion B shown in FIG. 4 .
[0017] FIG. 6 is a diagram of the absorbent article in a packaged state.
[0018] FIG. 7 is a diagram for explaining a state in which the absorbent article is rolled up in the front-rear direction at the time of disposal.
[0019] FIG. 8 is a diagram schematically showing the absorbent article in a natural state.
[0020] FIG. 9 is a diagram for explaining a deformation mode of the absorbent article at the time of wearing.
[0021] FIG. 10 is a plan view of the absorbent article of the second embodiment as viewed from the skin side in a deployed state.
[0022] REFERENCE NUMERALS
[0023] 1. 1X, Absorbent material; 20. 20X, Main body; 21. Surface sheet; 22. Back sheet; 23. Absorbent core; 30. Post-treatment component; 31. Hook component; 311. Shaft; 312. Umbrella part; 51. Main body adhesive part; 80. Bending base point part; RB81. First deformation area; RB82. Second deformation area; RW. Width area; L. Front-back direction; W. Width direction. Detailed Implementation
[0024] (1) Overview of the implementation method
[0025] Based on the description in this specification and the accompanying drawings, at least the following matters are clear.
[0026] An absorbent article comprises: a front-back direction; a width direction orthogonal to the front-back direction; a main body having a surface sheet, a back sheet, and an absorbent core; and a post-treatment member disposed on the non-skin side of the main body. The main body has a bending base portion configured such that the main body can be bent along the thickness direction. In a width region extending from the post-treatment member along the width direction, there are: a first deformation region having a plurality of the bending base portions spaced apart in the front-back direction; and a second deformation region spaced apart from the first deformation region in the width direction and having a plurality of the bending base portions spaced apart in the front-back direction. The post-treatment member has a hook member that can engage with the surface sheet when folded with the skin side of the main body inside.
[0027] When an absorbent item is to be rolled up for disposal, it is generally rolled up with the skin-side containing excrement facing inwards. With the main body folded in this position, the surface sheet is positioned to cover the non-skin-side of the main body. During the rolling-up process, the hook member on the non-skin-side of the main body engages with the surface sheet, maintaining the rolled-up state. Therefore, it can be disposed of cleanly while rolled up using the post-processing member. Furthermore, in the width region extending from the post-processing member along the width direction, the bending base points of the first deformation region and the second deformation region are spaced apart in the width direction. It is easy to form deformation base points extending along the width direction on the line connecting the bending base points of the first and second deformation regions. The absorbent item can be compactly folded using these deformation base points. Additionally, each of the first and second deformation regions has multiple bending base points; therefore, multiple bending base points extending along the width direction are spaced apart in the front-back direction. Therefore, within a wide range in the front-to-back direction of the absorbent material, it is easy to fold the absorbent material compactly using multiple bending points.
[0028] According to a preferred embodiment, the first deformable region and the second deformable region may extend along the front-back direction and be arranged apart from the post-processing component in the width direction.
[0029] According to this embodiment, bending base points are provided on both sides of the post-processing member in the width direction, and a line connecting the bending base points of the first deformation region and the bending base points of the second deformation region is provided across the post-processing member. Therefore, it is easier to deform the post-processing member with higher stiffness, and it is easier to compactly roll up absorbent materials.
[0030] According to a preferred embodiment, the main body may have a central region disposed opposite to the wearer's excretion opening, and the post-processing component is preferably disposed in the central region in a region that does not overlap with the first deformation region and the second deformation region when viewed from above.
[0031] The first and second deformation regions are the deformation base points of the main body. Therefore, when the main body is deformed, the areas overlapping with the first and second deformation regions are sometimes difficult to maintain in a flat state. By positioning the post-processing member in an area that does not overlap with the first and second deformation regions when viewed from above, the post-processing member can be maintained in a flat state even when the main body is deformed in the first and second deformation regions. Furthermore, the hook member can be positioned opposite the surface sheet on the entire plane of the post-processing member. Therefore, by providing a wider area where the hook member can easily hook onto the surface sheet, it is easy to engage the hook member with the surface sheet without realizing its position.
[0032] According to a preferred embodiment, a main body adhesive portion for joining the main body portion to the wearable article may be provided at a position on both outer sides in the width direction of the post-processing member.
[0033] The main adhesive portion, which bonds the absorbent material to the garment during use, also assists in bonding with the surface sheet after use. Therefore, it is possible to bond the post-treatment component to the surface sheet, and also to bond the main adhesive portion to the surface sheet. The absorbent material can be kept rolled up during disposal, allowing for clean disposal of the absorbent material using the post-treatment component.
[0034] In a preferred embodiment, the length in the width direction of the main adhesive portion may be longer than the length in the width direction of the post-processing component.
[0035] Generally, the bending stiffness of the main adhesive portion is lower than that of the post-processing component, making it difficult to cause discomfort when wearing even if the length of the main adhesive portion is increased. According to this embodiment, by increasing the length of the main adhesive portion in the width direction, discomfort is suppressed, and it is also easier to ensure the bonding force relative to the surface sheet when discarded.
[0036] In a preferred embodiment, the length of the main adhesive portion in the front-back direction may be longer than the length of the post-processing component in the front-back direction.
[0037] According to this design, the length of the post-treatment component in the front-to-back direction is smaller than the length of the main adhesive portion in the front-to-back direction. Therefore, it is possible to suppress the increase in stiffness of the absorbent article due to the post-treatment component, thereby suppressing discomfort when wearing it.
[0038] In one preferred embodiment, the leading edge of the post-processing component may be located in the central region opposite to the wearer's excretory opening.
[0039] According to this embodiment, a post-processing component is disposed in at least the central region. The central region is located between the roll start end and the roll-up end end, and can be easily covered by the surface sheet on the roll-up end side, whether the roll is started from the front region or the rear region. Therefore, when discarding, the post-processing component engages with the surface sheet, thereby maintaining the rolled-up state, and the absorbent material can be disposed of cleanly using the post-processing component.
[0040] According to a preferred embodiment, the bending base portion may also be composed of at least one of the following portions: a core compression portion, which is formed by compressing at least the absorbent core along the thickness direction; a unit area weight variation portion, which is formed by making the unit area weight of the absorbent material constituting the absorbent core or the unit area weight of the fibers constituting the surface sheet different from the surrounding area; an end edge of a cover sheet disposed between the absorbent core and the surface sheet; and a sheet compression portion, which is formed by compressing at least the surface sheet along the thickness direction.
[0041] By forming a bending base point through a core compression section or a sheet compression section, it is easy to compactly roll up absorbent articles by utilizing differences in thickness and stiffness. Similarly, by forming a bending base point through a section with a change in weight per unit area, it is easy to compactly roll up absorbent articles by utilizing differences in thickness and stiffness. Furthermore, by forming a bending base point through the end edge of the cover sheet, it is easy to compactly roll up absorbent articles by utilizing differences in thickness and stiffness.
[0042] In a preferred embodiment, the spacing between the compressed portions may be longer than the pitch of the hook member.
[0043] Compared to the area where the sheet compression sections are formed, the area between the sheet compression sections has gaps between the fibers of the surface sheet, making it easier for the hook member to hook onto the surface sheet. The area where the hook member can easily hook onto the surface sheet is longer than the pitch of the hook member, making it easy to engage the hook member with the surface sheet without being aware of the position of the fixed hook member.
[0044] According to a preferred embodiment, the sheet compression portion may have a plurality of end-edge compression portions disposed on the outer side of the absorbent core in the front-back direction, the interval between the end-edge compression portions being longer than the pitch of the hook member.
[0045] Compared to the area where the end-edge compression portion is formed, the region between the end-edge compression portions has gaps between the fibers of the surface sheet, making it easier for the hook member to hook onto the surface sheet. The area where the hook member can easily hook onto the surface sheet is longer than the pitch of the hook member, making it easy to engage the hook member with the surface sheet without realizing the position of the fixed hook member.
[0046] According to a preferred embodiment, the main body may have a pair of wing portions that extend outward in the width direction beyond the absorbent core and can be folded inward in the width direction to cover the surface sheet. At least a portion of the post-processing member is disposed in the area sandwiched by the pair of wing portions when the pair of wing portions are folded inward in the width direction.
[0047] When discarding absorbent materials, some users sometimes roll them up after folding the flaps inward in the width direction. The surface sheet is exposed in the area sandwiched between the flaps when they are folded. At least a portion of the post-processing member is disposed in the area sandwiched between the flaps when they are folded, so that the hook member can be engaged with the surface sheet even when the absorbent material is rolled up after folding the flaps inward in the width direction.
[0048] According to a preferred embodiment, the main body may have a telescopic portion that extends and retracts along the front-rear direction, the telescopic portion being configured to be forward of the front edge of the post-processing member and rearward of the rear edge of the post-processing member.
[0049] When the absorbent article is rolled up for disposal, the post-processing member engages with the surface sheet. At this time, if the region of the telescopic section forward of the front edge of the post-processing member and the region backward of the rear edge of the post-processing member contract in the front-rear direction, the hook member engaged within the surface sheet moves in the planar direction within the surface sheet, hooking onto the fibers of the surface sheet. Therefore, the hook member is maintained in the engaged state with the surface sheet, allowing for clean disposal of the absorbent article after use.
[0050] According to a preferred embodiment, the bending base point of the first deformation region may be disposed on an imaginary line extending from the bending base point of the second deformation region along the width direction.
[0051] According to this configuration, it is easy to form a bending base point when rolling up the absorbent article along an imaginary line connecting the bending base point of the first deformation region and the bending base point of the second deformation region. Therefore, it is easy to roll up the absorbent article in the front-back direction. Compared with the structure in which the main body is rolled up at an angle, the post-processing member is easier to contact the surface sheet, and it is possible to unconsciously form a state in which the hook member is joined to the surface sheet.
[0052] (2) Absorbent article of the first embodiment
[0053] The absorbent article of the first embodiment will now be described with reference to the accompanying drawings. The absorbent article is preferably an absorbent article such as a sanitary napkin, panty liner, breast pad, adult incontinence pad, disposable diaper, fecal pad, or sweat pad. In particular, the absorbent article is preferably an article that is installed inside the wearer's underwear or similar garment.
[0054] Furthermore, in the following accompanying drawings, the same or similar reference numerals are used to label the same or similar parts. However, the drawings are illustrative, and it should be noted that the ratios of the dimensions may differ from the actual dimensions. Therefore, the specific dimensions should be determined by referring to the following explanation. Additionally, there are instances where the dimensions and ratios of the drawings differ from each other.
[0055] FIG. 1 and FIG. 2 This is a plan view of the absorbent article of the first embodiment, viewed from the skin side. FIG. 1 This refers to the unfolded state of the folded wings, as described later. FIG. 2 This is the first folded state after folding the wings. FIG. 3 This is a plan view of the absorbent article of the first embodiment in its unfolded state, viewed from the non-skin side.
[0056] FIG. 4 It is along FIG. 1 The diagram shows a cross-sectional view along line AA. Here, "skin side" refers to the side facing the wearer's skin during use. "Non-skin side" refers to the side facing the opposite direction to the wearer's skin during use.
[0057] The absorbent article 1 has a front-to-back direction L and a width direction W. The front-to-back direction L is a direction that extends from the front (ventral side) to the back (back side) of the wearer, or from the back to the front of the wearer. The width direction W is a direction orthogonal to the front-to-back direction L.
[0058] The absorbent article 1 has a central region S2, a front region S1, and a rear region S3. The central region S2 is the region positioned opposite the wearer's excretory opening, such as the vaginal opening. The central region S2 is positioned in the crotch area of the garment and between the wearer's legs when the absorbent article 1 is worn. The front region S1 is located forward of the central region S2. The front edge of the front region S1 defines the front edge of the absorbent article 1. The rear region S3 is located rearward of the central region S2. The rear edge of the rear region S3 defines the rear edge of the absorbent article 1.
[0059] It is preferable to have a protective wing 25 in the central region S2. The protective wing 25 extends outward in the width direction W from the absorbent core 23 and is folded to the non-skin-facing side T2 of the garment during use. It is preferable that the protective wing has a surface sheet 21 and a back sheet 22. The front edge of the protective wing 25 is defined by the root of the protective wing 25, corresponding to the front portion of one of the two portions recessed inward in the width direction W. The front edge of the protective wing 25 may also define the boundary between the central region S2 and the front region S1. The rear edge of the protective wing 25 is defined by the root of the protective wing 25, corresponding to the rear portion of one of the two portions recessed inward in the width direction W. The rear edge of the protective wing 25 may also define the boundary between the central region S2 and the rear region S3. In addition, the inner edge of the protective wing 25 is the root of the protective wing, forming an imaginary line connecting the front edge and the rear edge of the protective wing 25. Furthermore, regarding the central region S2, in the case of an absorbent article without the protective wings 25, the front region S1, the central region S2, and the rear region S3 may be formed by dividing the main body 20 into three equal parts along the front-rear direction L at the position where the length of the main body 20 is the longest (in this embodiment, the main body width center 20CW, which is the center of the width direction W of the main body 20). In the case of an absorbent article where the absorbent core 23 has a high unit area weight, the central region S2 may be formed by the region with the high unit area weight.
[0060] The absorbent article 1 preferably has a main body 20 and a post-treatment component 30. The main body 20 includes: a surface sheet 21 facing the wearer's skin; a back sheet 22 facing the side opposite to the wearer's skin; and an absorbent core 23 between the surface sheet 21 and the back sheet 22. The surface sheet 21 is positioned facing the wearer's skin during use. The surface sheet 21 can be made of nonwoven or woven fabric with fibers, or it can be without fibers. The surface sheet 21 is configured to engage with the hook component 31 of the post-treatment component 30, described later. The surface sheet 21 can be made of woven or nonwoven fabric with fibers, configured such that the fibers hook onto the hook component 31, or it can have irregularities formed on the skin-facing side of the surface sheet 21, configured to make it easier for the tip of the hook component 31 to hook onto the surface. The back sheet 22 faces the side opposite to the wearer's skin during use. The surface sheet 21 is preferably made of a liquid-permeable sheet. The back sheet 22 is preferably made of a liquid-impermeable sheet.
[0061] like FIG. 1 and FIG. 4As shown, the surface sheet 21 preferably has a central sheet 21C covering the center of the absorbent core 23 in the width direction W and side sheets 21S overlapping the outer portion of the central sheet 21C. The central sheet 21C is preferably positioned closer to the skin surface T1 than the side sheets 21S. The inner edge of the side sheets 21S is folded back outward in the width direction W, and an elastic member 28 is preferably disposed between the side sheets 21S. A telescopic portion 26 is provided on the inner side of the side sheets 21S, which contracts along the front-rear direction L using the elastic member 28. The telescopic portion 26 preferably forms a leak-proof opening that can be raised from the central sheet 21C. The telescopic portion 26 of the side sheets 21S constitutes the telescopic portion of the present invention. Furthermore, in other configurations, when the back sheet is composed of a telescopic sheet that can extend and retract along the front-rear direction L, this back sheet preferably constitutes the telescopic portion of the present invention. The telescopic portion can extend and retract at least along the front-rear direction L, or it can extend and retract along both the front-rear direction L and the width direction W.
[0062] The absorbent core 23 extends along the front-to-back direction L of the absorbent article 1. The absorbent core 23 has an absorbent material capable of absorbing moisture. The absorbent core 23 is preferably covered by a core-covering layer (not shown). The core-covering layer can be made of, for example, cotton paper. Furthermore, in this specification, the term "along the front-to-back direction L" refers to a direction with an angle of less than 45° relative to the front-to-back direction L, and the term "along the width direction W" refers to a direction with an angle of less than 45° relative to the width direction W.
[0063] An adhesive portion 50 is provided on the non-skin side T2 of the main body 20 (the non-skin side of the back sheet 22). The adhesive portion 50 is a region provided with an adhesive for bonding the main body 20 to the wearable article. Preferably, the adhesive portion 50 has a main adhesive portion 51 disposed in the area overlapping with the absorbent core 23 and a wing adhesive portion 52 disposed on the wing 25. The main adhesive portion 51 extends along the front-rear direction L and is arranged at intervals in the width direction W. It is preferable that the adhesive portion 50 is covered by the cover sheet 40 (described later) before use. It is preferable that the main adhesive portion 51 is disposed on both sides of the post-treatment member 30 in the width direction W. Alternatively, the main adhesive portion 51 may also extend along the width direction W and be arranged at intervals in the front-rear direction L. The adhesive portion 50 preferably functions to bond the main body 20 to the wearable article during use and also has the function of auxiliaryly bonding it to the surface sheet 21 when discarded.
[0064] The absorbent article 1 is configured to be discarded in a rolled-up state. More specifically, it is configured such that by joining the post-processing member 30 to the main body 20, the main body 20 can be discarded in a rolled-up state along the front-back direction L or the width direction W. The direction in which the absorbent article 1 is rolled up is the direction in which its length becomes shorter due to rolling; in this embodiment, it is the front-back direction L. The post-processing member 30 is provided on the non-skin side T2 of the main body 20. In this embodiment, the non-skin side of the main body 20 is composed of a back sheet 22, and the post-processing member 30 is disposed on the non-skin side of the back sheet 22. It is preferable that the post-processing member 30 is disposed in the area overlapping with the absorbent core 23. The post-processing member 30 can be disposed as follows: FIG. 3 As shown, when viewed from above, it can be rectangular, or it can be elliptical or circular, or it can be dotted and have multiple dots, or it can be line-shaped and have multiple dots. When the corners of the post-processing component 30 are curved, such as in the case of an elliptical shape, the discomfort of the post-processing component 30 when it touches the user can be reduced.
[0065] FIG. 5 yes FIG. 4 A cross-sectional view of part B. The post-processing component 30 has a hook component 31 protruding toward the non-skin side T2. The hook component 31 is configured to engage with the surface sheet 21 when the main body 20 is bent with the skin side T1 of the main body 20 inside, etc., during the disposal of absorbent materials. The hook component 31 can be formed by a portion of the back sheet 22 protruding toward the non-skin side T2, or it can be formed by a component separate from the back sheet 22. FIG. 5 As shown, the hook member 31 of this embodiment is composed of a component separate from the back sheet 22, protruding from the substrate sheet 35, which is bonded to the non-skin side of the back sheet 22, toward the non-skin side T2. It is preferable that the substrate sheet 35 and the hook member 31 are integrated. The hook member 31 preferably has a shaft portion 311 protruding toward the non-skin side T2 and an umbrella portion 312 extending outward in the planar direction from the top of the shaft portion 311. Multiple hook members 31 can be arranged at intervals in the front-rear direction L and the width direction W, or there can be only one. The substrate sheet 35 is bonded to the non-skin side of the main body 20. In this embodiment, the substrate sheet 35 is bonded to the back sheet 22 in the bonding area. It is preferable that the bonding area is located as a whole in the post-processing component 30.
[0066] The post-processing component 30 consists of a sheet-like substrate 35 and a plurality of hook components 31 erected from the surface (back side) of the substrate. Post-processing components with hook components 31, such as anchor-shaped or hook-shaped, can be used. As the post-processing component 30, known mechanical face-shaped fasteners can also be used, such as those from "MAGICTAPE" (Kuraray Co., Ltd.), "QUICKLON" (YKK Co., Ltd.), and "MAGICLOTH" (Kanebo bell touch Co., Ltd.).
[0067] In a modified example, the post-processing member 30 preferably has a post-processing adhesive portion that assists in joining the hook member 31 and the surface sheet 21. The post-processing adhesive portion is preferably located on the non-skin-facing side of the post-processing member 30. The post-processing adhesive portion can be provided at least on the non-skin-facing side of the post-processing member 30, but is preferably provided on any surface of the post-processing member 30 other than the non-skin-facing side, such as the surface of the shaft portion. The post-processing adhesive portion can also be provided on the hook member 31, but is preferably provided on the substrate sheet 35. By having a post-processing adhesive portion, the bonding force when the hook member 31 joins with the surface sheet 21 can be more effectively ensured during disposal. Furthermore, even with short-fiber (fiber length approximately 10 mm or less) nonwoven fabrics such as spunlace nonwoven fabrics and nonwoven fabrics where the strength of fiber interlacing is difficult to ensure, the post-processing adhesive portion ensures bonding force relative to the surface sheet 21, making it easier to maintain the state of the absorbent article 1 rolled up using the post-processing member 30. In addition, the adhesive constituting the post-processing adhesive portion can be the same as or different from the adhesive portion 50.
[0068] It is preferable that the non-skin side of the absorbent article 1 is covered by a covering sheet 40 before use. The covering sheet 40 is preferably either a separate packaging sheet 41 that individually packages the absorbent article 1 or a release sheet 42 that covers the adhesive portion 50. Preferably, the covering sheet 40 is disposed on the non-skin side T2 of the post-processing member 30, covering the hook member 31. The covering sheet 40 covers the absorbent article 1 before use and separates from it during use. By covering the hook member 31 with the covering sheet 40, the hook member 31 can be prevented from being exposed to the outside before use of the absorbent article 1, thus protecting the hook member 31. Therefore, it is possible to prevent accidental damage to the hook member 31 or accidental contact with the skin before use. In this embodiment, the covering sheet 40 is composed of both a separate packaging sheet 41 and a release sheet 42. FIG. 4As shown, a peeling sheet 42 is disposed on the non-skin side T2 of the hook member 31 of the post-processing member 30, and a separate packaging sheet 41 is preferably disposed on the non-skin side T2 of the peeling sheet 42. Since the peeling sheet 42 is disposed between the hook member 31 and the separate packaging sheet 41, the undesirable situation of the separate packaging sheet 41 accidentally breaking due to the hook member 31 can be suppressed.
[0069] Preferably, the main body 20 has a bending base point 80, which is configured to allow the main body 20 to bend along the thickness direction. The bending base point 80 serves as the bending base point when the absorbent article 1 is rolled up for disposal. The bending base point 80 facilitates the bending of the main body 20 by utilizing differences in stiffness, thickness, and weight per unit area. When rolling up the main body 20 along the front-to-back direction L, it can be rolled up using the bending base point 80 as the base point, making the rolling operation easy for the user. The bending base point 80 will be described in detail later.
[0070] It is best to fold the main body 20 with multiple creases as the base points before use. FIG. 6 This diagram shows the packaged state of the absorbent article 1, which is folded with the crease as the base point, and the main body 20 is individually packaged by a separate packaging piece 41. FIG. 6 (a) is a top view of the absorbent article in its packaged state. FIG. 6 (b) is along FIG. 6 The cross-sectional view along line CC is shown in (a). Furthermore, the multiple creases are preferably creases that fold at least the main body 20, or they may be creases that fold the main body 20, the post-processing member 30, and the covering sheet 40 together. The multiple creases preferably have a pair of front and rear creases FL extending along the front-rear direction L and a pair of width creases FW extending along the width direction W.
[0071] It is preferable that the pair of front and rear creases FL are spaced apart in the width direction W, and preferably positioned on both sides 20CW apart from the center of the main body width. It is preferable that the pair of front and rear creases FL have a first front and rear crease FL1 and a second front and rear crease FL2. It is preferable that the pair of front and rear creases FL are creases used to fold the protective wings 25 inward in the width direction W. FIG. 2 This indicates the first folded state after the protective wing 25 is folded with the front and rear creases FL as the base points. In the first embodiment, the pair of front and rear creases FL are located on the outer side in the width direction of the absorbent core 23, and are creases where the absorbent core is not folded. However, in a modified example, it is preferable that the pair of front and rear creases FL are located in the area overlapping with the absorbent core 23, and that the absorbent core 23 is folded in the first folded state.
[0072] It is preferable that a pair of width creases FW are spaced apart in the front-to-back direction L. It is preferable that the width creases FW have a first width crease FW1 and a second width crease FW2. The first width crease FW1 is the crease closest to the rear end edge 23R of the absorbent core 23 among the multiple creases, and the second width crease FW2 is the crease closest to the front end edge 23F of the absorbent core 23 among the multiple creases. Furthermore, in a modified example, other creases extending along the width direction W may be arranged between the first width crease FW1 and the second width crease FW2. The first width crease FW1 and the second width crease FW2 are lines formed by folding the absorbent article 1 with the skin-side T1 of the main body 20 inside when packaging the absorbent article (before use). The creases can be determined by the habitual bending position; in cases where the habitual bending of the main body 20 is difficult to determine, it is preferable to determine the crease position based on the habitual bending of the covering sheet 40.
[0073] In the embodiment, the absorbent article 1 is folded together with the absorbent article 1 arranged on the individual packaging sheet 41 and the peeling sheet 42 before use. As an example of the folding state, in the unfolded state with the absorbent article 1 arranged on the individual packaging sheet 41 and the peeling sheet 42, the protective wings 25 are folded inward in the width direction W with the front and rear creases FL as the base point, which is set as the first folding state (see reference). FIG. 2 In the first folded state, only the main body 20 is folded, while the covering sheet 40 and the post-processing component 30 are not folded.
[0074] Next, the rear end edge of the absorbent article 1 is folded inward in the rear-forward direction L, using the first width crease FW1 as a base point. Next, the front end edge of the absorbent article 1 is folded inward in the rear-forward direction L, using the second width crease FW2 as a base point. The top end of the area folded using the second width crease FW2 (specifically, the front end edge of the individual packaging sheet 41) is joined to the individual packaging sheet 41 folded using the first width crease FW1 as a base point using the strap member 45. By folding in this way, the absorbent article 1 is individually packaged by the individual packaging sheet 41. Furthermore, in a modified example, the strap member 45 may be omitted.
[0075] Preferably, when the absorbent article 1 is folded before use, the surface sheet 21 and the post-treatment member 30 are not in contact. Regarding the absorbent article 1 of this embodiment, when folded before use, the surface sheet 21 is not positioned to cover the non-skin side T2 of the post-treatment member 30. When folded before use, the post-treatment member 30 does not abut against the surface sheet 21, and the hook member 31 will not accidentally engage with the surface sheet 21. Furthermore, in the case where there are three or more width creases and the post-treatment member 30 is positioned across the width creases along the front-back direction L, when folded before use, the surface sheet 21 is sometimes positioned to cover the non-skin side T2 of the post-treatment member 30. In such cases, it is preferable to arrange a component constituting the absorbent article 1 between the hook member 31 and the surface sheet 21. This component is preferably, for example, a covering sheet 40. When folded, the surface sheet 21 and the hook member 31 do not come into contact because a constituent member is disposed between them. Therefore, it is possible to prevent the hook member 31 from accidentally engaging with the surface sheet 21 before use.
[0076] Next, based on FIG. 7 The waste form of the absorbent article 1 using the post-processing component 30 is described. FIG. 7 An example of the disposal configuration of the absorbent article 1 is shown schematically. Furthermore, the disposal configuration may vary depending on the user and is not limited to the disposal configuration described below. In the first embodiment, when disposed of, the absorbent article 1 is rolled up along at least the front-to-back direction L.
[0077] When the absorbent item 1 is discarded, the surface sheet 21 is covered with excrement. Therefore, when discarding the absorbent item 1, the user sometimes rolls it up with the skin-side T1 of the main body 20 facing inwards. At this time, as FIG. 7 (a) and FIG. 7 As shown in (b), the main body 20 and the post-processing component 30 are rolled up along the front-rear direction L from the front or rear edge of the main body 20. The non-skin side T2 of the portion at the beginning of the roll abuts against the surface sheet 21, while the main body 20 is rolled up along the front-rear direction L. A hook component 31 protruding toward the non-skin side T2 is provided on the non-skin side T2 of the main body 20. If the main body 20 and the post-processing component 30 are rolled up from... FIG. 7As shown in (b), when the surface sheet 21 is further rolled up in the front-to-back direction L, the hook member 31 comes into contact with the surface sheet 21. The umbrella portion 312 of the hook member 31 hooks onto the fibers of the surface sheet 21, and the hook member 31 is engaged with the surface sheet 21, maintaining the rolled-up state of the main body 20. Therefore, the absorbent article 1 can be disposed of in a clean state with the excrement-covered surface facing inwards using the post-treatment member 30. The hook member 31 hooks onto the fibers of the surface sheet 21 to achieve a joint state, so even if the surface sheet 21 is wet due to the adhesion of bodily fluids such as menstrual blood, making it difficult to obtain the bonding force between the adhesive portion 50 and the surface sheet 21, the post-treatment member 30 and the surface sheet 21 can still be joined. Especially after the adhesive portion is bonded to underwear, etc., not only is the bonding force reduced, but the surface sheet 21 is also wet, so the surface sheet 21 and the adhesive portion 50 are difficult to join. Therefore, the post-treatment member 30 can be used to join them. Furthermore, the hook member 31 of the post-treatment member 30 can be engaged with the surface sheet 21 while the absorbent material 1 is being rolled up, eliminating the need for additional operations such as pulling the post-treatment member 30. Therefore, even if the user does not intentionally discard the item, the post-treatment member 30 can be used to maintain the rolled-up state of the main body 20.
[0078] Furthermore, when the absorbent article 1 is rolled up, the main adhesive portion 51 also abuts against the surface sheet 21. The main adhesive portion 51 has the function of bonding the main body portion 20 to the garment during use, and even after the main body portion 20 is removed from the garment, it still has a slight adhesive force. The main adhesive portion 51 also auxiliaryly bonds to the surface sheet 21. Therefore, the post-processing member 30 can be bonded to the surface sheet 21, and the main adhesive portion 51 can also be bonded to the surface sheet 21.
[0079] Before use, the wings 25 are preferably folded inward in the width direction W to cover the skin side of the main body 20. According to this structure, by utilizing the habitual bending of the wings, the wings 25 can be folded inward in the width direction W when discarded, and the absorbent material 1 can be rolled up (see reference) while the wings 25 cover at least a portion of the surface sheet 21. FIG. 7 (a) By covering the surface sheet 21 with the wings 25 during disposal, bodily fluids are less likely to adhere to the user's fingers or the like during the disposal process. Therefore, the adhesion of bodily fluids can be suppressed while simultaneously rolling up the absorbent material 1. Furthermore, the wings can be folded using the front and rear creases FL, or using creases independent of the front and rear creases FL. Additionally, in other disposal configurations, the absorbent material 1 can be rolled up without folding the wings 25 back towards the skin-side T1 of the main body 20.
[0080] With the protective wings 25 folded to the skin-side T1 of the main body 20, it is preferable that at least a portion of the post-processing member 30 overlaps with the area sandwiched between the pair of protective wings 25 when viewed from above. It is preferable that the protective wings 25 are folded to the skin-side T1 of the main body 20 at their base. In this embodiment, as... FIG. 2 As shown, with the pair of protective wings 25 folded with the front and rear creases FL as reference points, the post-processing member 30 is positioned in an area that does not overlap with the pair of protective wings 25. When discarding, when the absorbent article 1 is rolled up with the protective wings 25 folded to the skin-side T1 of the main body 20, even if the post-processing member 30 comes into contact with the portion of the surface sheet 21 covered by the protective wings 25, the hook member 31 does not engage with the surface sheet 21. However, by positioning at least a portion of the hook member 31 in the area sandwiched between the pair of protective wings 25 when viewed from above, the surface sheet 21 is exposed in the area between the folded protective wings 25, and the post-processing member engages with the surface sheet 21 in this area.
[0081] Furthermore, in the configuration with a pair of hip flaps, when the hip flaps are folded to the skin-side T1 of the main body 20, it is preferable that at least a portion of the post-processing member 30 overlaps with the area sandwiched between the pair of hip flaps when viewed from above. It is preferable that the state of folding the hip flaps to the skin-side T1 of the main body 20 is achieved by folding along a line extending in the front-rear direction L from the root of the front side of the hip flaps. Alternatively, when the pair of hip flaps are folded with the front and rear creases FL as reference points, it is preferable that the post-processing member 30 is positioned in an area that does not overlap with the pair of hip flaps. According to this structure, the surface sheet 21 is exposed in the area between the folded hip flaps, and the post-processing member 30 engages with the surface sheet 21 in this area.
[0082] The absorbent article of this embodiment is configured such that when the absorbent article 1 is rolled up and discarded, the main body 20 can be rolled up more easily. Specifically, a first deformable region RB81 and a second deformable region RB82 are provided in a width region RW extending from the post-processing member along the width direction W. The width region RW is a region extending along the width direction W from the entire area of the post-processing member 30 in the front-rear direction L, and multiple width regions RW are provided when multiple post-processing members 30 are arranged. FIG. 3 In the text, the width region RW is indicated by a slanted line.
[0083] like FIG. 1As shown, the main body 20 is provided with a plurality of deformable regions RB, each deformable region RB having a plurality of bending base points 80 arranged at intervals in the front-rear direction L. One of the deformable regions RB constitutes a first deformable region RB81, and another deformable region of the plurality of deformable regions RB constitutes a second deformable region RB82. The deformable regions RB of this embodiment have at least: a core deformable region R23, wherein a plurality of core compression portions 231 are provided to compress at least an absorbing core 23 along the thickness direction; a sheet deformable region R21, wherein a plurality of sheet compression portions 211 are provided to compress at least a surface sheet 21 along the thickness direction; and an adhesive deformable region R52, which has a rear end edge 52R and a front end edge 52F of a wing adhesive portion 52 (see reference). FIG. 3 The first deformation region RB81 and the second deformation region RB82 can be formed by the core compression portion 231, the sheet deformation region R21, and the adhesive deformation region R52, respectively; or multiple of the core compression portion 231, the sheet deformation region R21, and the adhesive deformation region R52 can form the first deformation region RB81 and the second deformation region RB82. The deformation region RB only needs to have at least two bending base points 80, and the line surrounding the entire bending base point portion 80 forms the shape of the deformation region RB. Furthermore, the number and spacing of the bending base points 80 provided in the deformation region RB are not limited.
[0084] When discarded, the main body 20 absorbs bodily fluids and is thicker than before use. Furthermore, the post-processing member 30 with the hook member 31 has higher rigidity than the post-processing member 30 without the hook member 31. Therefore, when rolling up the area of the main body 20 where the absorbent core 23 is located, it is sometimes difficult to roll it up tightly. However, the main body 20 can be bent around the bending base point 80 in a width region RW extending from the post-processing member 30 along the width direction W. Therefore, even with the rebound force caused by the rigidity of the post-processing member, the absorbent article 1 can be rolled up tightly. The first deformation region RB81 and the second deformation region RB82 each have a bending base point 80, and the bending base points 80 of the first deformation region RB81 and the second deformation region RB82 are spaced apart in the width direction W. Therefore, it is easy to form a deformation base point extending along the width direction W on the line connecting the bending base point portion 80 of the first deformation region and the bending base point portion 80 of the second deformation region. This deformation base point allows the absorbent article to be compactly folded. Furthermore, since both the first and second deformation regions have multiple bending base point portions 80, multiple deformation base points extending along the width direction W are spaced apart in the front-rear direction L. Therefore, it is easy to compactly fold the absorbent article with the crease as the base point over a relatively wide range in the front-rear direction.
[0085] The first deformation region RB81 and the second deformation region RB82 extend along the front-rear direction L and are preferably arranged with the post-processing member 30 between them in the width direction W. Bending base points 80 are provided on both sides of the post-processing member 30 in the width direction W, and a line (e.g., an imaginary line VL) connecting the bending base points 80 of the first deformation region RB81 and the bending base points 80 of the second deformation region RB82 is provided across the post-processing member 30. Therefore, it is easier to deform the post-processing member 30, which has relatively high stiffness, and easier to roll up the main body 20.
[0086] The post-processing member 30 is preferably positioned in a region that does not overlap with the deformed region RB when viewed from above. In particular, it is preferable to position it in a region that does not overlap with the deformed region RB having the core compression portion 231. The first deformed region RB81 and the second deformed region RB82 are regions that serve as deformation base points for the main body. Therefore, the regions that overlap with the first deformed region RB81 and the second deformed region RB82 are sometimes difficult to maintain in a flat state when the main body is deformed. By positioning the post-processing member 30 in a region that does not overlap with the first deformed region RB81 and the second deformed region RB82 when viewed from above, the post-processing member 30 can be maintained in a flat state even when the main body is deformed, and the hook member 31 can be positioned opposite the surface piece 21 on the entire plane of the post-processing member 30. Therefore, the region where the hook member 31 can easily hook onto the surface piece 21 is made wider, making it easy to engage the hook member 31 with the surface piece 21 without realizing the position of the fixed hook member 31.
[0087] The bending base point 80 of the first deformation region RB81 is preferably positioned on an imaginary line VL extending from the bending base point 80 of the second deformation region RB82 along the width direction W. In this embodiment, the bending base points 80 of the first deformation region RB81 and the second deformation region RB82 are preferably arranged symmetrically with respect to the body width center 20CW and positioned on the same imaginary line VL extending along the width direction W. One bending base point 80 and another bending base point 80 are positioned on opposite sides of the body width center 20CW, and these two bending base points 80 are positioned on the same imaginary line. This facilitates the formation of bending base points when rolling up the absorbent article along the imaginary line VL connecting the bending base points 80 of the first deformation region RB81 and the bending base points 80 of the second deformation region RB82. Therefore, it is easy to roll up absorbent materials along the front-to-back direction L. Compared with the structure in which the main body is rolled up at an angle, the post-processing component is easier to contact the surface sheet, and can unconsciously form a state in which the hook component 31 is engaged with the surface sheet.
[0088] The bending base point 80 is preferably positioned further back than the width region RW. The region further outward than the outer end of the post-processing member 30 is unaffected by the rigidity of the post-processing member 30 and is easily deformed flexibly. The bending base point 80 allows the region further outward than the outer end of the post-processing member 30 to be rolled up, making it easier to roll up the main body 20 more compactly. Furthermore, the bending base point 80 is preferably positioned further back than the first width crease FW1. This makes the main body 20 easier to bend at its rear end. When rolling up the absorbent article 1 from the rear end of the main body 20, the diameter of the main body 20 at the starting end of the roll can be reduced, allowing the main body 20 to be rolled up compactly as a whole. Additionally, since the main body 20 has a habitual bend formed by the first width crease FW1, when rolling up the main body 20 along the front-back direction L for disposal, the absorbent article 1 can be rolled up with the first width crease FW1 as the bending base point. At this time, the area between the first width crease FW1 and the rear end edge 23R of the absorbent core 23 is tightly rolled up, and then deformed with the first width crease FW1 as the base point, thereby enabling the main body 20 to be rolled up tightly as a whole. In this embodiment, the following parts are provided as bending base point parts 80 at a position further back than the width area RW: core compression part 231, which is formed by compressing at least the absorbent core 23 along the thickness direction; the rear end edge 51R of the main body adhesive part 51 (refer to FIG. 3 The core compression portion 231 is a dotted core, and preferably a plurality of such dots are provided at intervals in the width direction W and the front-rear direction L. The rear end edge 51R of the main body adhesive portion 51 can be provided with bending base points that absorb the core 23 by utilizing the stiffness difference caused by the presence or absence of adhesive. In addition, when the main body portion 20 is rolled up from the front end side, bending base points formed by bending base points 80 can be formed on the outer part in the rolled-up state, so that the rolled-up end can be softly deformed, and the main body portion 20 can be rolled up in a compact circular shape.
[0089] The bending base point 80 is preferably positioned forward of the width region RW. The region outermost of the outer end of the post-processing member 30 is unaffected by the rigidity of the post-processing member 30 and is easily deformed flexibly. Providing the bending base point in the region outermost of the outer end of the post-processing member 30 facilitates a more compact roll-up of the main body 20. Furthermore, the post-processing member 30 is preferably positioned forward of the second width crease FW2. In this embodiment, the core compression portion 231 and the leading edge 51F of the main body bonding portion 51 (see reference) are provided forward of the width region RW. FIG. 3The sheet compression portion 211 serves as the bending base point portion 80. According to this structure, whether the body portion 20 is rolled up from the rear end edge 20R side or from the front end edge 20F side, it is easy to bend the area disposed on the inside when rolling up, and it is easy to roll up the body portion 20 more compactly.
[0090] The bending base point 80 is preferably positioned between the first width crease FW1 and the second width crease FW2. In this embodiment, a core compression portion 231 and a sheet compression portion 211 are provided as bending base points between the first width crease FW1 and the second width crease FW2. By providing a bending base point formed by the bending base point 80 in the region between the first width crease FW1 and the second width crease FW2, it is easier to roll up the main body 20 as a whole.
[0091] It is preferable that the first width crease FW1 and the second width crease FW2 are located in the area overlapping with the absorber core 23. A bending base point can also be provided on the absorber core 23 using the habitual bend formed by the first width crease FW1 and the second width crease FW2. Alternatively, in a modified example, it is preferable that the first width crease FW1 and the second width crease FW2 are located in the area not overlapping with the absorber core 23. More specifically, it is preferable that the first width crease and the second width crease are positioned on the outer side in the front-rear direction L of the absorber core 23.
[0092] A pair of width creases (FW) are preferably used to fold the main body 20 so that the skin-side T1 of the main body 20 faces each other. According to this structure, the habitual bending of the width creases (FW) can easily deform the skin-side T1 of the main body 20 to be close together, and it is easy to roll up the absorbent item 1 with the skin-side facing inward.
[0093] The bending base portion 80 is preferably positioned on the outer side of the wing 25 in the front-rear direction L. When in use, the wing 25 is folded back towards the non-skin side T2 of the garment, making it difficult for bodily fluids to adhere. Some users, when rolling up the absorbent garment 1 for disposal, sometimes hold the wing 25 while rolling up the main body 20 in the front-rear direction L. Specifically, with the area between the wings 25 (the area sandwiched by the wings 25 in the width direction) folded back towards the non-skin side T2, the wing 25 can be held on the non-skin side T2 of the main body 20 while rolling up the area between the wings 25 in the front-rear direction L; or the wing 25 can be folded back towards the skin side T1, held in the folded state, while rolling up the area between the wings 25 in the front-rear direction L. With this configuration, the adhesion of bodily fluids can be suppressed while rolling up the absorbent garment 1. At this time, there is a curved base point 80 located on the outer side of the front-rear direction L of the guard 25. Therefore, while holding the guard 25, the area on the outer side of the front-rear direction L of the guard 25 can be rolled up tightly, and the main body 20 can be rolled up tightly as a whole.
[0094] The shape of the bending base point 80 is not limited; it can be a dot, a strip, an arc, or a polygon. It is preferable to have three or more bending base points 80 within a range extending from the outer edge of the main body 20 in the front-rear direction L to one-third of the length of the main body 20 in the front-rear direction L. Generally, the circumference of the main body 20 in the rolled-up state along the front-rear direction L is one-third of the length of the main body 20 in the front-rear direction L. This one-third length of the main body 20 in the front-rear direction L becomes the region at the beginning of the roll or the region at the end of the roll. By providing three or more bending base points 80 in this portion, it is easier to maintain the rolled-up state.
[0095] The post-processing component 30 is preferably positioned between the first width crease FW1 and the second width crease FW2. At least a portion of the post-processing component 30 may be positioned between the first width crease FW1 and the second width crease FW2, or it may be positioned across both creases. The area between the first width crease FW1 and the second width crease FW2 is located between the roll start end and the roll-up end end, and is easily covered by the roll-up end-side surface sheet 21 regardless of whether the roll is started from the front region S1 or the rear region S3. Furthermore, the post-processing component 30 is preferably positioned in the central region S2. The central region S2 is also located between the roll start end and the roll-up end end, and is easily covered by the roll-up end-side surface sheet 21 regardless of whether the roll is started from the front region S1 or the rear region. Based on these structures, by joining the post-treatment component 30 to the surface sheet 21 during disposal, the rolled-up state can be maintained, and the absorbent material can be cleanly disposed of using the post-treatment component 30. Furthermore, the post-treatment component 30 can also be arranged at the center of the front-rear direction L of the main body 20.
[0096] The post-processing member 30, located in the area between the first width crease FW1 and the second width crease FW2, is preferably positioned so as not to cross at least one of the first width crease FW1 and the second width crease FW2. A habitual bend with creases is formed in the main body 20. When rolled up with the skin-side T1 facing inwards, the front and rear areas bounded by the creases deform towards the skin-side (inwards) with the creases as the base point. If the deformation is inwards with the creases as the boundary, the post-processing member 30 and the surface sheet 21 separate, making it difficult for the hook member 31 and the surface sheet 21 to engage, or the temporarily engaged hook member 31 may detach. By not crossing the creases, the engagement state of the hook member 31 can be prevented from accidentally disengaging due to habitual bending. Furthermore, when rolling up the absorbent article 1, it is rolled up from the side of the crease that the post-processing member 30 does not cross, so that it can be rolled up without being subjected to the spring force from the post-processing member 30 to return to a flat state, making it easier to roll up more compactly and with less force. In addition, by arranging the post-processing member 30 so as to cross the crease covered by the surface sheet 21 when rolling up, the spring force from the post-processing member 30 makes it easier for the hook member 31 to engage with the surface sheet 21.
[0097] When the absorbent core 23 has a high unit area weight portion where the absorbent material's unit area weight is higher than the surrounding absorbent material's unit area weight, it is preferable that at least a portion of the post-processing member 30 is positioned in an area that overlaps with the high unit area weight portion when viewed from above. In the state of the rolled-up absorbent article 1, as... FIG. 7As shown in (c), the absorbent core 23 is stacked in multiple layers. At this time, the thickness of the portion with the high unit area weight is greater than the surrounding thickness, making it easier to press other layers stacked along the thickness direction. Therefore, in the area overlapping with the high unit area weight, the post-processing member 30 can be pressed towards the surface sheet 21, making it easier to achieve the joining state between the hook member 31 and the surface sheet 21.
[0098] It is preferable to have a main adhesive portion 51 in the width region RW for joining the main body to the wearable article. The main adhesive portion 51, which joins the absorbent article to the wearable article during use, also assists in joining the surface sheet 21 after use. The post-treatment member 30 can join with the surface sheet 21, and the main adhesive portion 51 can also join with the surface sheet 21. Even with the rebound force caused by the rigidity of the post-treatment member, the absorbent article can be kept rolled up during disposal, allowing for clean disposal of the absorbent article using the post-treatment member.
[0099] It is preferable that the main adhesive portion 51 and the post-processing member 30 are spaced apart in the width direction W. This minimizes interference between the main adhesive portion 51 and the post-processing member 30, preventing undesirable situations such as accidental bonding between the main adhesive portion 51 and the post-processing member 30 before disposal. Furthermore, in a modified example, the main adhesive portion 51 and the post-processing member 30 may be adjacent along the width direction W. In this modified example, it is preferable that the main adhesive portion 51 and the hook member 31 are spaced apart in the width direction W.
[0100] It is preferable that the length of the main adhesive portion 51 in the width direction W is longer than the length of the post-processing member 30 in the width direction W. In the case of having multiple main adhesive portions 51, the length of the main adhesive portions 51 in the width direction W is the total length. The main adhesive portion 51 has the function of joining the main body to the garment during use, and also has the function of auxiliaryly joining with the surface sheet 21 when discarded. Generally speaking, the bending stiffness of the main adhesive portion 51 is lower than that of the post-processing member, so even if the length of the main adhesive portion 51 is increased, it is difficult to cause discomfort when wearing it. By increasing the length of the main adhesive portion 51 in the width direction W, discomfort is suppressed, and it is easier to ensure the bonding force with respect to the surface sheet 21 when discarded.
[0101] It is preferable that the length L in the front-to-back direction of the main adhesive portion 51 is longer than the length L in the front-to-back direction of the post-treatment member 30. Since the length L in the front-to-back direction of the post-treatment member 30 is smaller than the length in the front-to-back direction of the main adhesive portion 51, it is possible to suppress the increase in stiffness of the absorbent article 1 due to the post-treatment member 30, thereby suppressing discomfort during wear.
[0102] The post-treatment component 30 is sized to suppress discomfort during wear and ensure adhesion to the surface sheet 21. Preferably, the length L in the front-to-back direction of the post-treatment component 30 is longer than the thickness of the absorbent core 23 but shorter than the length L in the front-to-back direction of the absorbent core 23. In this embodiment, the length L in the front-to-back direction of the post-treatment component 30 is 80 mm. Because the length L in the front-to-back direction of the post-treatment component 30 is longer than the thickness of the absorbent core 23, point contact between the post-treatment component 30 and the surface sheet 21 can be prevented when the main body 20 is rolled up, ensuring a sufficient contact area between the post-treatment component 30 and the surface sheet 21. Furthermore, because the length L in the front-to-back direction of the post-treatment component 30 is shorter than the length L in the front-to-back direction of the absorbent core 23, the transmission of stiffness of the post-treatment component 30 to the skin surface of the main body 20 can be suppressed, reducing discomfort. Preferably, the length W in the width direction of the post-treatment component 30 is 1 mm or more but less than the length W in the width direction of the absorbent core 23. Since the length of the width direction W of the post-treatment member 30 is 1 mm or more, it is easy to ensure the bonding strength with respect to the surface sheet 21. Furthermore, since the length of the width direction W of the post-treatment member 30 is less than the length of the width direction W of the absorbent core 23, the main body adhesive portion 51 can be disposed in the width region, allowing for stable bonding of the main body 20 to the wearable article. More preferably, the length of the width direction W of the post-treatment member 30 is 5 mm or more and 35 mm or less; in this embodiment, the length of the width direction W of the post-treatment member 30 is 15 mm. This allows for stable production of the post-treatment member 30, and facilitates the placement of the main body adhesive portion 51 within the core placement region, enabling stable bonding of the main body 20 to the wearable article. It is preferable that the area of the post-treatment member 30 is less than 20% of the total area of the main body 20. Since the area of the post-treatment member 30 with the hook member 31 is smaller than the total area of the main body 20, it is possible to suppress the increase in stiffness of the absorbent article 1 due to the post-treatment member 30, thus suppressing discomfort during wear.
[0103] The post-processing component 30 is preferably arranged across the center 20CW of the main body width. It can be joined at the center 20CW of the main body width using the post-processing component 30. Generally, the length L in the front-rear direction of the main body 20 is longest at the center 20CW of the main body width. By joining the longest portion L of the main body 20 using the hook component 31, the entire area L of the main body 20 can be kept rolled up. Furthermore, generally, when rolling up the absorbent article 1 for disposal, it is rolled up with the center 20CW of the main body width as the base point. Since the post-processing component 30 is located at the base point, the post-processing component 30 and the surface sheet 21 can be unconsciously pressed towards each other during the rolling-up operation, allowing the hook component 31 to join with the surface sheet 21.
[0104] The surface sheet 21 has a plurality of recesses recessed along the thickness direction, preferably spaced apart in the front-rear direction L. The recesses are preferably composed of openings formed in the surface sheet 21, grooves in the ridge portion formed in the surface sheet 21, thermally bonded portions formed by thermally bonding the fibers constituting the surface sheet 21, and sheet compression portions 211 formed by compressing the surface sheet 21. The recesses may also be composed of sheet compression portions 211 serving as bending base points 80 and weight variation portions per unit area. When the absorbent article 1 is rolled up along the front-rear direction L, the plurality of recesses serve as bending base points, making it easier to roll up the absorbent article 1, including the surface sheet 21, more compactly.
[0105] The bending base portion 80 is preferably composed of at least one of the following portions: a core compression portion 231, which is formed by compressing at least the absorbent core 23 along the thickness direction; a unit area weight variation portion, which is formed by making the unit area weight of the absorbent material constituting the absorbent core 23 or the unit area weight of the fibers constituting the surface sheet 21 different from the surrounding area; an end edge of a cover sheet disposed between the absorbent core 23 and the surface sheet 21; and a sheet compression portion 211, which is formed by compressing at least the surface sheet 21 along the thickness direction.
[0106] The core compression portion 231 is formed by compressing at least the absorbent core 23 along the thickness direction, and the surface sheet 21 and the core cladding can also be compressed together with the absorbent core 23. The sheet compression portion 211 is formed by compressing at least the surface sheet 21 along the thickness direction. It is preferable that the sheet compression portion 211 has a plurality of end edge compression portions 27 located on the outer side in the front-rear direction of the absorbent core. It is preferable that the end edge compression portions 27 are formed by compressing the surface sheet 21 and the back sheet 22 along the thickness direction T. Furthermore, the compression portion formed by compressing the absorbent core 23 and the surface sheet 21 together constitutes the core compression portion 231 and the sheet compression portion 211. Compared with the area where the core compression portion 231 or the sheet compression portion 211 is not formed, the core compression portion 231 or the sheet compression portion 211 has higher stiffness and thinner thickness. By forming the bending base portion 80 by the core compression portion 231 or the sheet compression portion 211, it is easy to compactly roll up the absorbent article 1 by utilizing the thickness difference and stiffness difference. Preferably, the core compression portion 231 and the sheet compression portion 211 are recessed from the skin-side T1 toward the non-skin-side T2. Generally, when discarding the absorbent article 1, the user rolls it up with the skin-side T1, which is covered with excrement, facing inwards. Since the compression portion is recessed from the skin-side T1 toward the non-skin-side T2, it is easy to deform so that the skin-side T1 is close to the surface, and it is easy to roll up the absorbent article 1 with the skin-side T1 facing inwards.
[0107] The weight-per-unit area variation section can be a portion where the absorbent material or the like has a different weight per unit area (e.g., a low weight-per-unit area section), or it can be an opening formed in the surface sheet 21. Specifically, the end edge of the absorbent core 23, the end edge of the high weight-per-unit area section, the end edge of the low weight-per-unit area section, the end edge of the opening in the surface sheet, and the end edge of the adhesive portion 50 constitute the weight-per-unit area variation section. The low weight-per-unit area section varies depending on its length. When the length of the low weight-per-unit area section is less than the thickness of the absorbent, the center of the low weight-per-unit area section constitutes the weight-per-unit area variation section. When the length of the low weight-per-unit area section is greater than or equal to the thickness of the absorbent, the end edge of the low weight-per-unit area section constitutes the weight-per-unit area variation section. By forming a bending base point portion through the weight-per-unit area variation section, it is easy to tightly roll up the absorbent article 1 using the thickness difference and stiffness difference. The cover sheet disposed between the absorbent core 23 and the surface sheet 21 is composed of a second sheet for improving the absorption of bodily fluids and a core-covering layer, which is composed of cotton paper or the like. The areas with and without covers have different thicknesses and stiffnesses due to the presence or absence of covers. Therefore, by forming a bending base point through the end edge of the cover, it is easy to compactly roll up the absorbent article 1 using the difference in thickness and stiffness.
[0108] The spacing D211 between the compression sections 211 (refer to) FIG. 1 The pitch P31 of hook component 31 (refer to) FIG. 5 The length is preferred. Compared to the area where the sheet compression portions 211 are formed, the area between the sheet compression portions 211 has gaps between the fibers of the surface sheet 21, making it easy for the hook member 31 to hook onto the surface sheet 21. The area where the hook member 31 easily hooks onto the surface sheet 21 is longer than the pitch of the hook member 31, making it easy to engage the hook member 31 with the surface sheet 21 without realizing the position of the fixed hook member 31. Furthermore, the spacing D211 between the sheet compression portions is the distance when the sheet compression portions 211 are arranged along the front-back direction L within the deformation region RB in a top view. The pitch P31 of the hook member 31 is the distance between the centers of adjacent hook members 31. In the case of hook members 31 having umbrella portions 312, the pitch P31 of the hook member 31 is the distance between the centers of adjacent umbrella portions 312.
[0109] The edge compression portion 27 is positioned on the outer side of the absorbent core 23 in the front-rear direction L. By providing a bending base point formed by the edge compression portion 27 near the edge of the absorbent article in the front-rear direction, the diameter of the main body portion at the starting end of the roll can be reduced, making it easier to roll the main body portion 20 more compactly. Furthermore, the distance D27 between the edge compression portions is preferably longer than the pitch of the hook member 31. Compared to the area where the edge compression portions are formed, the area between the edge compression portions has gaps between the fibers of the surface sheet 21, making it easier for the hook member 31 to hook onto the surface sheet 21. Since the area where the hook member 31 easily hooks onto the surface sheet 21 is longer than the pitch of the hook member 31, it is easy to engage the hook member 31 with the surface sheet 21 without realizing the position of the fixed hook member 31. Moreover, the distance D27 between the edge compression portions is the distance between the edge compression portions 27 when viewed from above.
[0110] When the surface sheet 21 has a recessed shape along its thickness direction, the spacing between the recesses is preferably longer than the pitch of the hook member 31. Compared to the area where the recesses are formed, the area between the recesses has gaps between the fibers of the surface sheet 21, making it easier for the hook member 31 to hook onto the surface sheet 21. The area where the hook member 31 easily hooks onto the surface sheet 21 is longer than the pitch of the hook member 31, making it easy to engage the hook member 31 with the surface sheet 21 without realizing the position of the hook member 31.
[0111] The telescopic portion 26 is preferably positioned forward of the front edge 30F of the post-processing member 30 and rearward of the rear edge 30R of the post-processing member 30. That is, the front edge 26F of the telescopic portion 26 is located forward of the front edge 30F of the post-processing member 30, and the rear edge 26R of the telescopic portion 26 is located rearward of the rear edge 30R of the post-processing member 30. In this embodiment, the telescopic portion 26 is provided in a leak-proof opening formed by the side plate 21S and the elastic member 28. The telescopic portion 26 extends along the front-rear direction L, spanning the center of the main body portion 20 in the front-rear direction. FIG. 8 This is a schematic diagram representing an absorbent article 1 in its natural state. Furthermore, the natural state refers to the state achieved when the absorbent article, stored in its packaging, is removed from the packaging and placed in an atmosphere of 20°C ± 2°C and 60% ± 5% RH for 24 hours.
[0112] like FIG. 8As shown, when the telescopic portion 26 contracts, the absorbent article 1 in its natural state becomes curved when viewed from the side. In particular, the telescopic portion 26 of the leak-proof opening is located at a position closer to the skin surface T1 than the absorbent core 23, therefore, the main body 20 is curved and becomes closer to the skin surface T1. The areas that are forward of the front edge 30F of the post-processing member 30 and rearward of the rear edge 30R of the post-processing member 30 are less affected by the rigidity of the post-processing member 30 and are easy to contract. When the main body is rolled up along the front-rear direction L and the hook member 31 is engaged with the surface sheet 21, if the areas that are forward of the front edge 30F of the post-processing member 30 and rearward of the rear edge 30R of the post-processing member 30 contract along the front-rear direction L, the hook member 31 engaged in the surface sheet 21 moves along the planar direction within the surface sheet 21, and the hook member 31 hooks onto the fibers of the surface sheet 21. Therefore, the hook member 31 can be maintained in a state where it is engaged with the surface piece 21, and the absorbent material 1 can be cleanly disposed of after use.
[0113] Next, the wearing form of the absorbent item 1 thus constructed will be explained. FIG. 9 When the absorbent item 1 is worn onto the worn item S, FIG. 3 The cross-section shown is the reference cross-sectional state. FIG. 9 (a) represents the state where no force is applied to the absorbent article 1 from the outside to the inside in the width direction W. FIG. 9 (b) describes the state in which a force is applied to the absorbent article 1 from the outside to the inside in the width direction W. When worn, the absorbent article 1 is held by the legs and subjected to a force from the outside to the inside in the width direction W. At this time, the first deformation region RB81 and the second deformation region RB82 extend along the front-rear direction L and are positioned in the width direction W with the post-processing member 30 in between. Therefore, the main body 20 deforms with the first deformation region RB81 and the second deformation region RB82 as base points, and the area between the first deformation region RB81 and the second deformation region RB82 easily bulges towards the wearer's side. At this time, the post-processing member 30 is positioned between the first deformation region RB81 and the second deformation region RB82. If the area between the first deformation region RB81 and the second deformation region RB82 bulges towards the wearer's side, the hook members 31 protruding towards the non-skin side T2 collide with each other in the post-processing member 30, applying a force to restore the post-processing member 30 to a planar shape. At this point, the first deformation region RB81 and the second deformation region RB82, extending along the front-back direction L, become the base points for deformation, supporting the bulge formed. Therefore, the area between the first deformation region RB81 and the second deformation region RB82 can maintain its bulge towards the wearer, improving fit.
[0114] The post-processing member 30 is preferably positioned in the central region S2 in an area that does not overlap with the first deformation region RB81 and the second deformation region RB82 when viewed from above. The central region S2 is easily held by the wearer's legs, and the first deformation region RB81 and the second deformation region RB82 easily bulge towards the wearer's side, using the first deformation region RB81 and the second deformation region RB82 as reference points. In this case, since the post-processing member 30 is positioned in an area that does not overlap with the first deformation region RB81 and the second deformation region RB82 when viewed from above, the stiffness of the post-processing member 30 is less affected when using the first deformation region RB81 and the second deformation region RB82 as reference points, making it easier to deform with the first deformation region RB81 and the second deformation region RB82 as reference points. Therefore, the first deformation region RB81 and the second deformation region RB82 more easily bulge towards the wearer's side, improving fit. Furthermore, the post-processing component 30 can extend along the front-rear direction L and not overlap with the first deformation region RB81 and the second deformation region RB82 arranged apart from the post-processing component 30, or it can overlap with other deformation regions RB.
[0115] It is preferable to have body adhesive portions 51, which are located on both outer sides of the post-processing component 30 in the width direction W, for joining the main body to the wearable item. For example... FIG. 9 As shown in (b), when the area overlapping with the post-processing member 30 bulges towards the wearer side with the first deformation region RB81 and the second deformation region RB82 as base points, the part of the main body adhesive portion 51 located on both outer sides of the post-processing member 30 in the width direction W, which is joined to the wearer, also becomes a base point, making it easier to maintain the shape formed by the bulge of the area overlapping with the post-processing member 30.
[0116] It is preferable that the length L in the front-back direction of the main adhesive portion 51 is longer than the length L in the front-back direction of the post-processing member 30. The front-back length of the portion of the main adhesive portion 51 that is joined to the garment, which serves as the base point for deformation that bulges towards the wearer between the first deformation region RB81 and the second deformation region RB82, is more likely to counteract the rebound force of the post-processing member 30 and maintain the shape formed by the bulge in the area overlapping with the post-processing member 30.
[0117] It is preferable that the leading edge 30F of the post-treatment member 30 is located in the central region S2. That is, it is preferable that the post-treatment member 30 is not disposed in the front region S1. In this embodiment, the post-treatment member 30 is disposed across the central region S2 and the rear region S3. The shape of the wearer's body when viewed from the side is rounded from the abdominal side to the back side. In particular, the part forward of the crotch is rounded, and from the viewpoint of suppressing front leakage, it is desirable that the absorbent material follows the roundness of the body. Since the leading edge 30F of the post-treatment member 30 is located in the central region, the situation where the front region is difficult to bend due to the rigidity of the post-treatment member 30 is suppressed, and the area abutted by the front region S1 is easy to follow the body, thus suppressing front leakage.
[0118] The bending stiffness of the post-treatment component 30 is preferably lower than that of the area where the surface sheet 21, the back sheet 22, and the absorbent core 23 overlap. When using the absorbent article 1, the post-treatment component 30 is positioned on the non-skin side T2 of the main body 20, and the post-treatment component 30 indirectly contacts the skin. At this time, the bending stiffness of the post-treatment component 30 is low, thus suppressing discomfort to the wearer.
[0119] Furthermore, the bending stiffness of the post-processing component 30, the back sheet 22, the absorbent core 23, and the portion formed by overlapping the surface sheet 21, the back sheet 22, and the absorbent core 23 are determined using the Teber method as specified in standard specification JIS P-8125. For example, firstly, a test piece with a width of 25 mm and a length of 38 mm is collected from the component (piece) to be tested. Then, a thickness gauge (e.g., a PEACOCK φ44 mm 3 g / m) is used. 2The thickness of the test piece is measured. Next, the test piece is placed in a Tilburg hardness tester manufactured by Yasuda Seiki. The test piece is then placed between the rollers of the Tilburg hardness tester, with the clamping interval corresponding to the thickness of the test piece. Furthermore, the upper end of the test piece is aligned with the upper surface of the clamps. The gap between the rollers and the test piece is adjusted to approximately 0.5 mm so that the rollers do not press against the test piece. The test piece bending device of the Tilburg hardness tester is rotated, and the rotation is stopped at the point where the 15-degree mark on the bending device aligns with the pointer of the load pendulum. The load scale indicated by the pointer of the pendulum is read at this point. The load pendulum is immediately rotated in the opposite direction, and the load scale is read again. The average value of the load scale readings in the left and right directions is calculated. Additionally, auxiliary weights are arbitrarily selected so that the indicated load scale is within the range of 15% to 85% of the maximum scale. Then, the bending stiffness (stiffness (g·cm)) of the test piece was calculated using the formula: "Stiffness (g·cm) = Average value of load scale × 10 × Value of weight". Furthermore, if the length W in the width direction of the sample is less than 25 mm, the data measured at the maximum width of the sample was converted to N / 25 mm. If the length of the sample is less than 38 mm, the maximum length was used for measurement. Additionally, the bending stiffness was measured 10 times, and its average value was calculated.
[0120] (3) Absorbent article of the second embodiment
[0121] Next, the absorbent article of the second embodiment will be described. FIG. 10 This is a plan view of the unfolded state of the absorbent article according to the second embodiment, as seen from the skin side. Hereinafter, in the description of the second embodiment, the same reference numerals are used for the same structures as in the first embodiment described above, and descriptions are omitted.
[0122] In the second embodiment, a pair of post-processing members 30X of the absorbent article 1X are arranged at a distance from the center 20CW of the main body width. The pair of post-processing members 30X spaced apart from the center 20CW of the main body width can maintain the entire body 20X in a rolled-up state along its width direction W. This ensures that the length of the width direction W that can be joined using the post-processing members 30X is sufficient, which is particularly preferable in absorbent articles with a longer width direction W.
[0123] The first deformable region RB81X and the second deformable region RB82X of the absorbent article 1X in the second embodiment are disposed in the region sandwiched by a pair of post-processing members 30. Furthermore, the region sandwiched by the pair of post-processing members 30 may contain both the first deformable region RB81X and the second deformable region RB82X, or only one of the first deformable region RB81X and the second deformable region RB82X.
[0124] Multiple core compression portions 231 are provided in the first deformation region RB81X and the second deformation region RB82X. Each core compression portion 231 has a low compression portion 232 and a high compression portion 233, which is compressed more deeply along the thickness direction than the low compression portion 232. It is preferable that either the low compression portion 232 or the high compression portion 233 is configured to surround the other of the multiple low compression portions 232 and high compression portions 233. In this case, the compression portion surrounded by the other compression portion (in this embodiment, the high compression portion 233) constitutes the bending base portion 80 in the present invention. Furthermore, another compression portion (in this embodiment, the low compression portion 232) configured to surround one compression portion constitutes the deformation region.
[0125] The present invention has been described in detail above using the embodiments described herein, but the present invention is not limited to the embodiments described herein, as will be apparent to those skilled in the art. The present invention can be implemented in modified and altered forms without departing from the spirit and scope of the invention as defined by the claims. Therefore, the description herein is for illustrative purposes only and is not intended to limit the present invention in any way.
[0126] INDUSTRIAL APPLICABILITY
[0127] According to this embodiment, an absorbent material that can be cleanly disposed of in a state where it is rolled up using a post-processing component can be provided.
Claims
1. An absorbent article having: Forward and backward directions; The width direction is orthogonal to the front-back direction; The main body has a surface sheet, a back sheet, and an absorbent core; and Post-processing components are disposed on the non-skin-facing side of the main body. The main body portion has a bending base point portion, which is configured such that the main body portion can be bent along the thickness direction, thereby allowing the main body portion to be rolled up. The bending base point portion includes a first bending base point portion located in a width region extending from the post-processing member along the width direction. The post-processing component has a hook member that can engage with the surface sheet when folded with the skin-side of the main body facing inward. The absorbent article has a first width crease and a second width crease. A portion of the post-processing component is disposed in the region between the first width crease and the second width crease, the post-processing component being configured to cross one of the first width crease and the second width crease, which is covered by the surface sheet when rolled up, and not to cross the other of the first width crease and the second width crease.
2. The absorbent article according to claim 1, wherein, The bending base portion includes a second bending base portion located in a first front-rear region extending from the post-processing member along the front-rear direction.
3. The absorbent article according to claim 1, wherein, The bending base portion includes a third bending base portion located in a second front-rear region extending from the width region along the front-rear direction.
4. The absorbent article according to claim 1, wherein, The absorbent article has a pair of protective wings that extend outward in the width direction beyond the absorbent core. With the protective wings folded to the skin-side of the main body, at least a portion of the post-processing component overlaps with the area sandwiched between the pair of protective wings when viewed from above.
5. The absorbent article according to claim 4, wherein, An adhesive part for the wing is provided on the non-skin-facing side of the wing. At least a portion of the wing adhesive portion is located in the width region.
6. The absorbent article according to claim 5, wherein, With the wing folded to the skin side of the main body, at least a portion of the wing adhesive portion overlaps with the first bending base portion.
7. The absorbent article according to claim 1, wherein, The width region is positioned on both sides separated by the post-processing component. The first bending base point is respectively located in the width region on both sides. The absorbent article has a pair of protective wings that extend outward in the width direction beyond the absorbent core. With the protective wings folded to the skin side of the main body, the pair of protective wings overlap with the first bending base point.
8. The absorbent article according to claim 7, wherein, The absorbent article has a main body adhesive portion provided on the non-skin surface of the main body for joining the main body to the wearable article, and a wing adhesive portion provided on the non-skin surface of the wings. With the protective wing folded to the skin-side of the main body, the main body adhesive portion and the protective wing adhesive portion overlap in the width region.
9. The absorbent article according to claim 1, wherein, The bending base point portion has a core compression portion formed by compressing at least the absorbing core along the thickness direction. The core compression portion of the first bending base point is provided in a plurality of spaced-apart portions along the front-back direction in the width region.
10. The absorbent article according to claim 2, wherein, The first front and rear regions are positioned on the front and rear sides separated by the post-processing component. The second bending base point is respectively located in the first front and rear regions on the front and rear sides.
11. The absorbent article according to claim 3, wherein, The second front and rear regions are positioned on the front and rear sides separated by the width region. The third bending base point is respectively located in the second front and rear regions on the front and rear sides.
12. The absorbent article according to claim 1, wherein, The first bending base point is located in the first deformation region and the second deformation region. The first deformation region and the second deformation region extend along the front-back direction and are arranged apart from the post-processing component in the width direction.
13. The absorbent article according to claim 12, wherein, The main body has a central area positioned opposite the wearer's excretory opening. The post-processing component is positioned in the central region in an area that does not overlap with the first deformation region and the second deformation region when viewed from above.
14. The absorbent article according to claim 12 or 13, wherein, A main body adhesive portion for joining the main body to the wearable item is provided at a position on both outer sides of the post-processing component in the width direction.
15. The absorbent article according to claim 14, wherein, The length in the width direction of the main adhesive portion is longer than the length in the width direction of the post-processing component.
16. The absorbent article according to claim 14, wherein, The length of the main adhesive portion in the front-back direction is longer than the length of the post-processing component in the front-back direction.
17. The absorbent article according to claim 1, wherein, The leading edge of the post-treatment component is located in the central region opposite the wearer's excretory opening.
18. The absorbent article according to claim 1, wherein, The bending base portion is composed of at least one of the following portions: a core compression portion, which is formed by compressing at least the absorbent core along the thickness direction; a unit area weight variation portion, which is formed by making the unit area weight of the absorbent material constituting the absorbent core or the unit area weight of the fibers constituting the surface sheet different from the surrounding area; an end edge of a cover sheet disposed between the absorbent core and the surface sheet; and a sheet compression portion, which is formed by compressing at least the surface sheet along the thickness direction.
19. The absorbent article according to claim 18, wherein, The spacing between the compressed plates is longer than the pitch of the hook member.
20. The absorbent article according to claim 18, wherein, The sheet compression section has a plurality of end-edge compression sections located on the outer side of the absorbent core in the front-back direction. The distance between the end-edge compression portions is longer than the pitch of the hook member.
21. The absorbent article according to claim 1, wherein, The main body has a pair of wing-shaped portions that extend outward in the width direction than the absorbent core and can be folded inward in the width direction to cover the surface sheet. At least a portion of the post-processing component is disposed in the area sandwiched by the pair of wing portions when the pair of wing portions are folded inward in the width direction.
22. The absorbent article according to claim 1, wherein, The main body has a telescopic portion that extends and retracts along the front-rear direction. The telescopic portion is configured to be forward of the front edge of the post-processing component and rearward of the rear edge of the post-processing component.
23. The absorbent article according to claim 12, wherein, The first bending base point of the first deformation region is disposed on an imaginary line extending from the first bending base point of the second deformation region along the width direction.
24. The absorbent article according to claim 1, wherein, The absorbent article is a sanitary napkin for menstrual use, and has a plurality of the curved base points in a region extending along the width direction from the region where the hook member is provided.
Citation Information
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