JP2020124316A - Absorbent article - Google Patents

Absorbent article Download PDF

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JP2020124316A
JP2020124316A JP2019017737A JP2019017737A JP2020124316A JP 2020124316 A JP2020124316 A JP 2020124316A JP 2019017737 A JP2019017737 A JP 2019017737A JP 2019017737 A JP2019017737 A JP 2019017737A JP 2020124316 A JP2020124316 A JP 2020124316A
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Japan
Prior art keywords
central
absorbent core
width direction
region
base point
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JP2019017737A
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JP7385359B2 (en
Inventor
黒田　賢一郎
Kenichiro Kuroda
賢一郎 黒田
丸山　貴史
Takashi Maruyama
貴史 丸山
カナポン チャテゥラパターノン
Chaturaphatranon Kanaporn
カナポン チャテゥラパターノン
野田　祐樹
Yuki Noda
祐樹 野田
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Unicharm Corp
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Unicharm Corp
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Priority to JP2019017737A priority Critical patent/JP7385359B2/en
Priority to PCT/JP2020/003890 priority patent/WO2020162386A1/en
Publication of JP2020124316A publication Critical patent/JP2020124316A/en
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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F13/00—Bandages or dressings; Absorbent pads
    • A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
    • A61F13/45—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the shape
    • A61F13/47—Sanitary towels, incontinence pads or napkins
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F13/00—Bandages or dressings; Absorbent pads
    • A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
    • A61F13/53—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium
    • A61F13/531—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium having a homogeneous composition through the thickness of the pad
    • A61F13/532—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium having a homogeneous composition through the thickness of the pad inhomogeneous in the plane of the pad
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F13/00—Bandages or dressings; Absorbent pads
    • A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
    • A61F13/53—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium
    • A61F13/531—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium having a homogeneous composition through the thickness of the pad
    • A61F13/532—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium having a homogeneous composition through the thickness of the pad inhomogeneous in the plane of the pad
    • A61F13/533—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium having a homogeneous composition through the thickness of the pad inhomogeneous in the plane of the pad having discontinuous areas of compression

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  • Health & Medical Sciences (AREA)
  • Epidemiology (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Vascular Medicine (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Absorbent Articles And Supports Therefor (AREA)

Abstract

To provide an absorbent article capable of suppressing lateral leakage while securing fitness to an excretion port of an area between bent base point parts.SOLUTION: An absorbent article has: a central area facing a wearer's excretion port; a rear side area positioned at the back of the central area; a front side area positioned on the front side of the central area; an absorbent core which is arranged in the central area; and a skin surface sheet positioned on the skin surface side of the absorbent core. The central area is provided with a pair of folding base point parts extending in the back and forth direction with a center in the width direction of the absorbent article in between. The maximum width of an absorbent core in the central area is longer than the maximum width of the absorbent core in the front side area. An outer edge of the absorbent core is positioned outside in the width direction of the folding base point parts. The central area has a center central part including a center in the back and forth direction in the central area and a central end part positioned outside in the back and forth direction of the central center part. A distance in the width direction between the outer edge of the absorbent core in the central center part and the folding base point part is longer than a distance in the width direction between the outer edge of the absorbent core in the central end part and the folding base point part.SELECTED DRAWING: Figure 1

Description

本発明は、吸収性物品の幅方向の中心を挟んで前後方向に延びる一対の折曲基点部が設けられた吸収性物品に関する。 The present invention relates to an absorbent article provided with a pair of bent base points that extend in the front-rear direction with a widthwise center of the absorbent article interposed therebetween.

特許文献１は、吸収性物品の幅方向の中心を挟んで前後方向に延びる一対の折曲基点部を有する吸収性物品を開示している。折曲基点部は、着用者の***口と対向する中央域に配置されている。着用時に着用者の脚によって中央域が挟まれると、中央域には、幅方向の外側から幅方向の内側に向かう力がかかる。中央域は、折曲基点部を基点に変形して、折曲基点部によって挟まれた領域が着用者側に膨らむように変形する。 Patent Document 1 discloses an absorbent article having a pair of bent base points that extend in the front-rear direction with a widthwise center of the absorbent article sandwiched therebetween. The bent base point portion is arranged in the central region facing the excretory opening of the wearer. When the central region is sandwiched between the legs of the wearer during wearing, a force is applied to the central region from the outer side in the width direction to the inner side in the width direction. The central region is deformed with the bent base point portion as a base point, and the region sandwiched by the bent base point portions is deformed so as to bulge toward the wearer.

特開２０１２−１３０３６５号公報JP, 2012-130365, A

しかし、折曲基点部によって挟まれた領域が着用者側に膨らむように変形すると、中央域の幅方向の長さが短くなる。よって、折曲基点部よりも幅方向に拡散した体液の横漏れが発生するおそれがあった。 However, when the region sandwiched by the bent base points is deformed so as to bulge toward the wearer, the length of the central region in the width direction is shortened. Therefore, there is a possibility that side leakage of the bodily fluid diffused in the width direction rather than the bending base point portion may occur.

そこで、折曲基点部によって挟まれた領域の***口に対するフィット性を確保しつつ、中央域の横漏れを抑制できる吸収性物品を提供することを目的とする。 It is therefore an object of the present invention to provide an absorbent article capable of suppressing lateral leakage in the central region while ensuring fitability for the excretion opening in the region sandwiched by the bent base points.

一態様に係る吸収性物品は、互いに直交する前後方向及び幅方向と、着用者の***口と対向する中央域と、前記中央域よりも後側に位置する後側域と、前記中央域よりも前側に位置する前側域と、少なくとも前記中央域に配置される吸収コアと、前記吸収コアよりも肌面側に位置する肌面シートを有する吸収性物品であって、前記中央域には、前記吸収性物品の幅方向の中心を挟んで前記前後方向に延びる一対の折曲基点部が設けられており、前記中央域における前記吸収コアの最大幅は、前記前側域における前記吸収コアの最大幅よりも長く、前記吸収コアの外側縁は、前記折曲基点部よりも前記幅方向の外側に位置しており、前記中央域は、前記中央域における前記前後方向の中心を含む中央中心部と、前記中央中心部よりも前後方向の外側に位置する中央端部と、を有し、前記中央中心部における前記吸収コアの外側縁と前記折曲基点部の前記幅方向の距離は、前記中央端部における前記吸収コアの外側縁と前記折曲基点部の前記幅方向の距離よりも長い。 The absorbent article according to one aspect includes a front-rear direction and a width direction orthogonal to each other, a central region facing a wearer's excretory opening, a rear side region located rearward of the central region, and the central region. A front area located on the front side, an absorbent core having an absorbent core arranged in at least the central area, and a skin sheet located on the skin surface side of the absorbent core, wherein the central area is: A pair of bent base points extending in the front-rear direction with the widthwise center of the absorbent article interposed therebetween is provided, and the maximum width of the absorbent core in the central region is the maximum of the absorbent core in the front side region. The outer edge of the absorbent core is located farther in the width direction than the bent base point portion, and the central region includes a central central portion including the center in the front-rear direction in the central region. And a central end portion located outside in the front-rear direction with respect to the central central portion, and the outer edge of the absorbent core in the central central portion and the width direction distance of the folding base point portion, It is longer than the distance in the width direction between the outer edge of the absorbent core at the central end and the bent base point.

実施形態における肌面側から見た吸収性物品の平面図である。It is a top view of an absorptive article seen from the skin side in an embodiment. 実施形態における非肌面側から見た吸収性物品の平面図である。It is a top view of the absorptive article seen from the non-skin side in an embodiment. 図１のＡ−Ａ線に沿った吸収性物品の断面図である。It is sectional drawing of the absorbent article along the AA line of FIG. 図１のＢ部分の拡大図である。It is an enlarged view of the B section of FIG. 吸収コアの平面図である。It is a top view of an absorption core. 着用状態の吸収性物品の斜視図であるIt is a perspective view of the absorbent article in a worn state. 着用状態の吸収性物品の断面図である。It is sectional drawing of the absorbent article in a worn state. 着用状態の吸収性物品の断面図である。It is sectional drawing of the absorbent article in a worn state.

（１）実施形態の概要
本明細書及び添付図面の記載により、少なくとも以下の事項が明らかとなる。
一態様に係る吸収性物品は、互いに直交する前後方向及び幅方向と、着用者の***口と対向する中央域と、前記中央域よりも後側に位置する後側域と、前記中央域よりも前側に位置する前側域と、少なくとも前記中央域に配置される吸収コアと、前記吸収コアよりも肌面側に位置する肌面シートを有する吸収性物品であって、前記中央域には、前記吸収性物品の幅方向の中心を挟んで前記前後方向に延びる一対の折曲基点部が設けられており、前記中央域における前記吸収コアの最大幅は、前記前側域における前記吸収コアの最大幅よりも長く、前記吸収コアの外側縁は、前記折曲基点部よりも前記幅方向の外側に位置しており、前記中央域は、前記中央域における前記前後方向の中心を含む中央中心部と、前記中央中心部よりも前後方向の外側に位置する中央端部と、を有し、前記中央中心部における前記吸収コアの外側縁と前記折曲基点部の前記幅方向の距離は、前記中央端部における前記吸収コアの外側縁と前記折曲基点部の前記幅方向の距離よりも長い。 (1) Outline of Embodiments At least the following matters will be made clear by the present specification and the description of the accompanying drawings.
The absorbent article according to one aspect includes a front-rear direction and a width direction orthogonal to each other, a central region facing a wearer's excretory opening, a rear side region located on the rear side of the central region, and the central region. A front side region also located on the front side, an absorbent core having at least an absorbent core arranged in the central region, and a skin sheet located on the skin surface side of the absorbent core, wherein the central region is: A pair of bent base points extending in the front-rear direction with the widthwise center of the absorbent article interposed therebetween are provided, and the maximum width of the absorbent core in the central region is the maximum of the absorbent core in the front region. The outer edge of the absorbent core is significantly longer than the outer edge of the absorbent core in the width direction with respect to the folding base point portion, and the central region includes a central central portion including the center in the front-rear direction in the central region. And a central end portion located outside in the front-rear direction with respect to the central central portion, and a distance in the width direction between the outer edge of the absorbent core and the bent base point portion in the central central portion is the It is longer than the distance in the width direction between the outer edge of the absorbent core at the central end and the bent base point.

着用時に着用者の脚によって中央域が挟まれると、中央域の折曲基点部によって挟まれた領域は、着用者側に膨らむように変形し、***口にフィットする。中央域は、前側域よりも着用者の脚の力を受けやすく、幅方向の長さが短くなり易い。しかし、中央域における吸収コアの最大幅が前側域における吸収コアの最大幅よりも長いため、中央域における吸収コアの幅方向の長さを確保し易く、横漏れを抑制できる。また、中央中心部は、中央端部と比較して、***口の近くに配置され易く、体液が導かれ易い。しかし、中央中心部における吸収コアの外側縁と折曲基点部の距離が比較的長いため、中央中心部において折曲基点部よりも幅方向の外側の領域に体液が導かれても、横漏れを抑制することができる。よって、折曲基点部によって挟まれた領域の***口に対するフィット性を確保しつつ、中央域の横漏れを抑制できる。 When the central region is sandwiched by the wearer's legs during wearing, the region sandwiched by the bent base points of the central region is deformed so as to bulge toward the wearer and fits into the excretory opening. The central region is more likely to receive the force of the wearer's legs than the front region and is likely to be shorter in the width direction. However, since the maximum width of the absorbent core in the central region is longer than the maximum width of the absorbent core in the front region, it is easy to secure the widthwise length of the absorbent core in the central region and lateral leakage can be suppressed. In addition, the central central portion is more likely to be disposed near the excretory opening than the central end portion, and body fluid is more likely to be guided. However, since the distance between the outer edge of the absorbent core and the folding base point in the central center is relatively long, lateral leakage does not occur even if body fluid is guided to the region outside the folding base point in the widthwise direction in the central center. Can be suppressed. Therefore, it is possible to suppress the lateral leakage in the central region while ensuring the fit property with respect to the excretory opening in the region sandwiched by the bent base points.

好ましい一態様によれば、前記中央中心部における前記吸収コアの外側縁は、前記中央端部における前記吸収コアの外側縁よりも前記幅方向の外側に位置してよい。 According to a preferred aspect, an outer edge of the absorbent core in the central center portion may be located outside of the outer edge of the absorbent core in the central end portion in the width direction.

中央中心部は、中央域内おいて特に脚の力を受けやすく、幅方向の長さが短くなり易い。しかし、中央中心部における吸収コアの外側縁が中央端部における吸収コアの外側縁よりも幅方向の外側に位置するため、中央中心部における吸収コアの幅方向の長さを確保し易く、横漏れを抑制できる。 The central portion of the central portion is particularly susceptible to the force of the leg in the central region, and the length in the width direction is likely to be short. However, since the outer edge of the absorbent core in the central central portion is located outside the outer edge of the absorbent core in the central end portion in the width direction, it is easy to ensure the widthwise length of the absorbent core in the central central portion. Leakage can be suppressed.

好ましい一態様によれば、前記折曲基点部は、少なくとも前記吸収コアを厚さ方向に圧縮した圧搾部によって構成されてよい。 According to a preferred aspect, the bent base point portion may be formed by at least a compressed portion obtained by compressing the absorbent core in the thickness direction.

圧搾部からなる折曲基点部は、周囲と比較して剛性差及び厚み差があり、変形の基点になりやすい。また、圧搾部からなる折曲基点部は、周囲と比較して高い密度であり、体液を引き込みやすい。よって、折曲基点部に到達した体液を前後方向に拡散しつつ、折曲基点部よりも幅方向の外側に拡散させ難くし、横漏れをより抑制できる。 The bending base point portion formed of the compressed portion has a difference in rigidity and a thickness as compared with the surroundings, and is likely to be a base point for deformation. In addition, the bending base point portion, which is the compressed portion, has a higher density than the surroundings and easily draws body fluid. Therefore, it is possible to diffuse the bodily fluid that has reached the folding base point portion in the front-rear direction while making it more difficult to diffuse it to the outer side in the width direction than the folding base point portion, and to further suppress side leakage.

好ましい一態様によれば、前記折曲基点部よりも幅方向の外側の領域には、少なくとも前記吸収コアを厚さ方向に圧縮したサイド圧搾部が設けられており、前記サイド圧搾部の前記厚さ方向における最深部は、前記圧搾部の前記厚さ方向における最深部よりも肌面側に位置してよい。 According to a preferred aspect, a side squeezing portion obtained by compressing at least the absorbent core in the thickness direction is provided in a region outside the bending base point portion in the width direction, and the side squeezing portion has the thickness. The deepest part in the depth direction may be located on the skin surface side of the deepest part in the thickness direction of the compressed part.

サイド圧搾部によって折曲基点部よりも幅方向の外側の領域の剛性を高め、脚によって挟まれた際に折曲基点部よりも幅方向の外側の領域が幅入りし過ぎることを抑制できる。よって、折曲基点部よりも幅方向の外側の領域の幅方向の長さを確保でき、横漏れを抑制できる。また、サイド圧搾部の圧縮の程度が弱いため、折曲基点部よりも幅方向の外側の領域の剛性が高くなりすぎず、折曲基点部よりも幅方向の外側の領域が脚に触れた際の違和感を抑制できる。 The side squeezing portion enhances the rigidity of the region outside the folding base point portion in the width direction, and prevents the region outside the folding base point portion from being too wide when sandwiched by the legs. Therefore, the length in the width direction of the region outside the bending base point in the width direction can be secured, and lateral leakage can be suppressed. In addition, since the degree of compression of the side squeezing portion is weak, the rigidity of the area outside the bending base point portion in the width direction does not become too high, and the area outside the bending base point portion touches the leg. It is possible to suppress a feeling of strangeness.

好ましい一態様によれば、前記一対の折曲基点部に挟まれた領域の前記吸収コアには、前記一対の折曲基点部よりも幅方向の外側の領域における前記吸収コアよりも坪量が高い高坪量部が設けられてよい。 According to a preferred embodiment, the absorbent core in the area sandwiched between the pair of bending base points has a grammage lower than that of the absorbent core in an area outside the pair of bending base points in the width direction. A high high basis weight section may be provided.

高坪量部によって一対の折曲基点部の間の領域における体液の吸収容量を高め、折曲基点部よりも幅方向の外側の領域に到達する体液を低減し、横漏れをより抑制できる。また、高坪量部によって一対の折曲基点部の間の領域の厚みが厚くなり、一対の折曲基点部の間の領域の***口に対するフィット性を向上できる。また、高坪量部によって一対の折曲基点部の間の領域の剛性が高くなり、幅方向の内側に向かう力がかかった際の意図しないヨレや折れを抑制でき、フィット性を確保できる。 The high basis weight portion enhances the absorption capacity of body fluid in the region between the pair of folding base points, reduces the body fluid reaching the region outside the folding base point in the width direction, and further suppresses side leakage. In addition, the high basis weight portion increases the thickness of the region between the pair of bending base points, thereby improving the fit of the region between the pair of bending base points to the excretory opening. In addition, the high basis weight portion increases the rigidity of the region between the pair of bending base point portions, and it is possible to suppress unintended bending and bending when a force inward in the width direction is applied, and it is possible to secure fit.

好ましい一態様によれば、前記一対の折曲基点部に挟まれた領域の少なくとも一部には、少なくとも前記吸収コアを圧縮した中央圧搾部が設けられてよい。 According to a preferred aspect, at least a part of the region sandwiched by the pair of bent base points may be provided with a central compression part that compresses at least the absorption core.

本態様によれば、一対の折曲基点部の間の領域における体液の引き込み性を高め、折曲基点部よりも幅方向の外側の領域に到達する体液を低減し、横漏れをより抑制できる。また、中央圧搾部によって一対の折曲基点部の間の領域の剛性が高くなり、幅方向の内側に向かう力がかかった際の意図しないヨレや折れを抑制でき、フィット性を確保できる。 According to this aspect, the draw-in property of the body fluid in the region between the pair of folding base points is enhanced, the body fluid reaching the region outside the folding base point in the width direction is reduced, and the lateral leakage can be further suppressed. .. Further, the central squeezing portion increases the rigidity of the region between the pair of bending base point portions, and can prevent unintentional twisting and bending when a force inward in the width direction is applied, thus ensuring fit.

好ましい一態様によれば、前記吸収性物品を着用物品に接合する接合部が設けられており、前記接合部は、前記吸収コアと重なる領域に配置された本体接合部を有し、前記本体接合部は、前記中央中心部における前記吸収コアの外側縁と重ならない領域に配置されてよい。 According to a preferred aspect, a joint portion that joins the absorbent article to a wearing article is provided, and the joint portion has a main body joint portion that is arranged in a region that overlaps with the absorbent core. The part may be arranged in a region in the central central part that does not overlap with an outer edge of the absorbent core.

着用者の脚によって挟まれた際の力は、中央中心部に掛かり易く、特に中央中心部における吸収コアの外側縁にかかる。このとき、中央中心部における吸収コアの外側縁に本体接合部が重なっていないため、中央中心部における吸収コアの外側縁が着用物品側に引っ張られずに、着用物品に対して立ち上がりやすくなる。中央中心部における吸収コアの外側縁が立ち上がることにより、***口のサイドを覆う壁が形成され、横漏れを抑制できる。 The force of being pinched by the wearer's legs tends to be applied to the central central portion, and particularly to the outer edge of the absorbent core in the central central portion. At this time, since the main body joint portion does not overlap with the outer edge of the absorbent core in the central central portion, the outer edge of the absorbent core in the central central portion is not pulled toward the wearing article side, and easily stands up with respect to the wearing article. Since the outer edge of the absorbent core at the center of the center rises, a wall that covers the side of the excretion opening is formed, and side leakage can be suppressed.

好ましい一態様によれば、着用時に着用物品の非肌面側に折り返されるウイングを有し、前記中央域において、前記吸収コアの外側縁は、前記ウイングよりも前記幅方向の内側に位置してよい。 According to a preferred aspect, the wing has a fold that is folded back toward the non-skin surface side of the wearing article when worn, and the outer edge of the absorbent core is located inside the width direction with respect to the wing in the central region. Good.

本態様によれば、中央域の吸収コアは、ウイングと共に非肌面側に折り返されず、着用物品に対して立ち上がりやすくなる。中央域における吸収コアの外側縁が立ち上がることにより、***口の側方を覆う壁が形成され、横漏れを抑制できる。 According to this aspect, the absorbent core in the central region is not folded back to the non-skin surface side together with the wing, and becomes easier to stand up with respect to the worn article. Since the outer edge of the absorbent core in the central region rises, a wall that covers the side of the excretion opening is formed, and lateral leakage can be suppressed.

好ましい一態様によれば、前記肌面シートは、表面シートと、前記表面シートの前記幅方向の外側部を覆う一対のサイドシートと、を有し、前記一対のサイドシートのそれぞれは、一対の防漏壁を構成し、前記防漏壁は、前記表面シートに対して起立可能である起立部と、前記起立部よりも前記幅方向の外側において前記起立部の起立支点となる幅支点部と、を有し、前記防漏壁は、前記折曲基点部よりも前記幅方向の外側に位置してよい。 According to a preferred embodiment, the skin sheet has a surface sheet and a pair of side sheets that cover the outer side portion of the surface sheet in the width direction, and each of the pair of side sheets has a pair of side sheets. A leak-proof wall, wherein the leak-proof wall is an upright portion that is upright with respect to the surface sheet, and a width fulcrum portion that is an upright fulcrum of the upright portion outside the upright portion in the width direction. And the leak preventive wall may be located outside the bent base point portion in the width direction.

本態様によれば、***口の側方を覆う防漏壁が折曲基点部よりも幅方向の外側に形成され、横漏れを抑制できる。よって、折曲基点部よりも幅方向の外側に体液が拡散した場合に、折曲基点部よりも幅方向の外側の吸収コアによって体液を吸収するとともに、防漏壁によって横漏れを抑制できる。 According to this aspect, the leak preventive wall that covers the side of the excretory opening is formed outside the bent base point portion in the width direction, and side leakage can be suppressed. Therefore, when the body fluid diffuses outward in the width direction with respect to the bending base point portion, the body fluid can be absorbed by the absorbent core on the outer side in the width direction with respect to the bending base point portion, and lateral leakage can be suppressed by the leak preventive wall.

好ましい一態様によれば、前記中央中心部における前記吸収コアの外側縁は、前記幅支点部よりも前記幅方向の外側に位置してよい。 According to a preferred aspect, an outer edge of the absorbent core in the central center portion may be located outside the width fulcrum portion in the width direction.

本態様によれば、吸収コアによって速やかに体液が引き込まれなかった場合や吸収コアの吸収容量を超えた場合には、体液が肌面シート上に残り、幅方向の外側に伝わる。このとき、防漏壁の起立部の支点となる幅支点部に到達することがある。この体液の拡散は、体液が導かれ易い中央中心部において発生しやすい。中央中心部における吸収コアの外側縁が幅支点部よりも幅方向の外側に位置するため、幅支点部まで体液が到達しても、当該到達した体液を吸収コアによって吸収でき、横漏れを抑制できる。 According to this aspect, when the bodily fluid is not drawn into the absorbent core promptly or when the absorbing capacity of the absorbent core is exceeded, the bodily fluid remains on the skin sheet and is transmitted to the outside in the width direction. At this time, a width fulcrum part which is a fulcrum of the rising part of the leak preventive wall may be reached. This diffusion of body fluid is likely to occur in the central central portion where body fluid is easily guided. Since the outer edge of the absorbent core in the central portion is located outside the width fulcrum in the width direction, even if body fluid reaches the width fulcrum, the reached body fluid can be absorbed by the absorbent core and lateral leakage is suppressed. it can.

好ましい一態様によれば、前記吸収コアの外側縁は、前記幅方向に間隔を空けて配置され、かつ前記幅方向の内側へ延びる一対の第１括れ部を有し、前記第１括れ部は、前記中央中心部よりも後側に配置されてよい。 According to a preferred aspect, the outer edge of the absorbent core has a pair of first constricted portions that are arranged at intervals in the width direction and extend inward in the width direction, and the first constricted portion is It may be arranged on the rear side of the central portion.

本態様によれば、着用者が比較的に大きな動作をすると、吸収性物品のうち特に後側域に捩れさせようとする力が作用する。このとき、一対の第１括れ部によって後側域のねじれを吸収し、当該ねじれが中央中心部に伝わり難くなる。よって、中央中心部における***口に対するフィット性の確保と横漏れの抑制効果を両立できる。 According to this aspect, when the wearer makes a relatively large motion, a force to twist the absorbent article is exerted particularly on the rear side region. At this time, the pair of first constricted portions absorbs the twist in the rear region, and the twist is less likely to be transmitted to the central portion of the center. Therefore, it is possible to achieve both the securing of the fit property with respect to the excretory opening in the central portion and the effect of suppressing lateral leakage.

好ましい一態様によれば、前記第１括れ部は、前記中央域の後端縁よりも前側に位置してよい。 According to a preferred aspect, the first constricted portion may be located on the front side of the rear end edge of the central region.

本態様によれば、中央域にかかる幅方向の内側に向かう力を第１括れ部によって分断でき、後側域を臀部に沿わせるように配置できる。加えて、後側域からの力を第１括れ部によって分断でき、後側域にかかる力が中央中心部に係り難くなり、中央中心部における吸収コアの幅方向の長さを確保し、横漏れを抑制できる。 According to this aspect, the inward force in the width direction applied to the central region can be divided by the first constricted portion, and the rear region can be arranged along the buttocks. In addition, the force from the rear side region can be divided by the first constricted portion, and the force applied to the rear side region is less likely to be applied to the central portion of the center, and the width in the width direction of the absorbent core in the central portion is ensured. Leakage can be suppressed.

好ましい一態様によれば、前記吸収コアの外側縁は、前記幅方向に間隔を空けて配置され、かつ前記幅方向の内側へ延びる一対の第２括れ部を有し、前記第２括れ部は、前記中央中心部よりも前側に配置されてよい。 According to a preferred aspect, the outer edge of the absorbent core has a pair of second constricted portions that are arranged at intervals in the width direction and extend inward in the width direction, and the second constricted portion is It may be arranged in front of the central portion.

本態様によれば、前側域からの力を第２括れ部によって分断でき、前側域にかかる力が中央中心部に係り難くなり、中央中心部における吸収コアの幅方向の長さを確保し、横漏れを抑制できる。 According to this aspect, the force from the front side region can be divided by the second constricted portion, the force applied to the front side region becomes difficult to be applied to the central central portion, and the width in the width direction of the absorbent core in the central central portion is secured, Side leakage can be suppressed.

好ましい一態様によれば、前記折曲基点部は、前記中央端部から前記中央中心部に向かって前記幅方向の内側に膨らんだ湾曲形状であってよい。 According to a preferred aspect, the bent base point portion may have a curved shape that bulges inward in the width direction from the central end portion toward the central central portion.

中央端部から前記中央中心部に向かって前記幅方向の内側に膨らんだ湾曲形状であるため、幅方向の内側に向かう力を中央中心部において折曲基点部間に伝えやすく、折曲基点部間の領域が身体側により膨らみやすく、***口に対するフィット性をより向上できる。 Since it has a curved shape that bulges inward in the width direction from the central end portion toward the central center portion, it is easy to transmit a force inward in the width direction between the bending base point portions at the central central portion, and the bending base point portion The region between them is more likely to swell toward the body side, and the fit with respect to the excretory opening can be further improved.

（２）実施形態に係る吸収性物品
以下、図面を参照して、実施形態に係る吸収性物品ついて説明する。吸収性物品は、生理用ナプキン、パンティライナー及び、大人用失禁パッドを含む。吸収性物品は、下着等の着用物品の内側に取り付けられて使用される物品であってよい。 (2) Absorbent Article According to Embodiment Hereinafter, the absorbent article according to the embodiment will be described with reference to the drawings. Absorbent articles include sanitary napkins, panty liners, and adult incontinence pads. The absorbent article may be an article that is used by being attached to the inside of a wearing article such as underwear.

なお、以下の図面の記載において、同一又は類似の部分には、同一又は類似の符号を付している。ただし、図面は模式的なものであり、各寸法の比率等は現実のものとは異なる場合があることに留意すべきである。したがって、具体的な寸法等は、以下の説明を参酌して判断すべきである。また、図面相互間においても互いの寸法の関係や比率が異なる部分が含まれる場合がある。 In the following description of the drawings, the same or similar parts are designated by the same or similar reference numerals. However, it should be noted that the drawings are schematic and the ratios of the respective dimensions may be different from the actual ones. Therefore, specific dimensions should be judged in consideration of the following description. In addition, there may be a case where the drawings have parts in which dimensional relationships and ratios are different from each other.

図１は、実施形態における肌面側から見た吸収性物品の平面図である。図２は、実施形態における非肌面側から見た吸収性物品の平面図である。図３は、図１に示すＡ−Ａ線に沿った断面図である。ここで、「肌面側」は、使用中に着用者の肌に面する側に相当する。「非肌面側」は、使用中に着用者の肌とは反対に向けられる側に相当する。なお、図３の断面図では、説明の便宜上、吸収性物品を構成する構成部材を厚み方向に離間させている。しかし、実際の製品では、構成部材同士は、厚み方向に接しており、また、圧搾部による凹みが形成されている。 FIG. 1 is a plan view of the absorbent article as seen from the skin surface side in the embodiment. FIG. 2 is a plan view of the absorbent article as seen from the non-skin surface side in the embodiment. FIG. 3 is a sectional view taken along the line AA shown in FIG. Here, the “skin surface side” corresponds to the side facing the wearer's skin during use. The "non-skin side" corresponds to the side that is turned away from the wearer's skin during use. In the cross-sectional view of FIG. 3, for convenience of description, the constituent members that form the absorbent article are separated in the thickness direction. However, in an actual product, the constituent members are in contact with each other in the thickness direction, and a dent is formed by the compressed portion.

吸収性物品は、スポーツ用の吸収性物品であってよい。スポーツ用の吸収性物品は、スポーツ時に適した吸収性物品である。ここで、スポーツ用の吸収性物品とは、以下の１から３の少なくともいずれかに当てはまる吸収性物品である。１、吸収性物品自体、吸収性物品を個別に包装する包装シート、及び吸収性物品を複数収容したパッケージのうち少なくともいずれかに、スポーツ用であること、またはスポーツを想起させる文字や絵柄を有する吸収性物品。２、吸収性物品の販促ツール（広告、販売促進物）において、スポーツ用であることを示した吸収性物品。３、普通の生活では行われないスポーツ時ならではの動作にて違和感なく使用することができる吸収性物品。例えば、脚を大きく動かす等のスポーツの動きを阻害しない柔軟性がある吸収性物品。長時間走り続ける等長時間のスポーツにおいても吸収体や吸収性物品が破損せずに使用することができる耐久性がある吸収性物品。着用者が汗をかいてもヨレやズレが発生せず装着感に違和感がない吸収性物品。本実施形態は、スポーツを想起させる機能表示図柄を有するともに、機能表示図柄を構成する圧搾部によってスポーツ時のねじれを吸収し、スポーツ時に違和感なく使用できるように構成されている。 The absorbent article may be a sports absorbent article. The absorbent article for sports is an absorbent article suitable for sports. Here, the absorbent article for sports is an absorbent article that meets at least one of the following items 1 to 3. 1. At least one of the absorbent article itself, a packaging sheet for individually packaging the absorbent article, and/or a package containing a plurality of absorbent articles is for sports, or has characters or a pattern reminiscent of sports Absorbent article. 2. Absorbent articles that have been shown to be for sports in sales promotion tools (advertisements, promotional materials) for absorbent articles. 3. Absorbent article that can be used without feeling uncomfortable during sports activities that are not performed in normal life. For example, an absorbent article that is flexible and does not interfere with sports movements such as moving the legs greatly. A durable absorbent article that can be used without damaging the absorbent body or absorbent article even during long-time sports such as running for a long time. Absorbent article that does not feel discomfort even when the wearer sweats without causing twisting or shifting. The present embodiment has a functional display pattern that reminds of sports, and absorbs twist during sports by the squeezing section that constitutes the functional display pattern, so that it can be used without discomfort during sports.

吸収性物品１は、前後方向Ｌと幅方向Ｗと厚み方向Ｔとを有する。前後方向Ｌは、着用者の前側（腹側）から後側（背側）に延びる方向、又は着用者の後側から前側に延びる方向である。幅方向Ｗは、前後方向Ｌと直交する方向である。厚み方向Ｔは、着用者の肌面側Ｔ１から非肌面側Ｔ２へ延びる方向であり、前後方向Ｌ及び幅方向Ｗに直交する方向である。肌面側Ｔ１は、使用時に、着用者の肌に面する側に相当する。非肌面側Ｔ２は、使用時に、肌面側Ｔ１とは反対側、すなわち着用者の肌とは反対に向けられる側に相当する。 The absorbent article 1 has a front-back direction L, a width direction W, and a thickness direction T. The front-back direction L is a direction that extends from the front side (abdominal side) of the wearer to the rear side (back side), or a direction that extends from the rear side of the wearer to the front side. The width direction W is a direction orthogonal to the front-rear direction L. The thickness direction T is a direction extending from the wearer's skin surface side T1 to the non-skin surface side T2, and is a direction orthogonal to the front-rear direction L and the width direction W. The skin surface side T1 corresponds to the side facing the wearer's skin during use. The non-skin surface side T2 corresponds to the side opposite to the skin surface side T1, that is, the side facing away from the wearer's skin during use.

吸収性物品１は、中央域Ｓ３、前側域Ｓ１及び後側域Ｓ２を有する。中央域Ｓ３は、着用者の***口（例えば膣口）に対向する領域である。吸収性物品が下着に装着されたときに、中央域Ｓ３は、下着の股下部に位置する。つまり、中央域Ｓ３は、着用者の股下、すなわち着用者の両足の間に配置される領域である。前側域Ｓ１は、中央域Ｓ３よりも前側に位置する。前側域Ｓ１の前端縁は吸収性物品１の前端縁を規定する。後側域Ｓ２は、中央域Ｓ３よりも後側に位置する。後側域Ｓ２の後端縁は吸収性物品１の後端縁を規定する。後側域Ｓ２の前後方向Ｌの長さは、中央域Ｓ３の前後方向Ｌの長さよりも長くなってよい。 The absorbent article 1 has a central area S3, a front area S1 and a rear area S2. The central region S3 is a region facing the excretory opening (eg, vaginal opening) of the wearer. When the absorbent article is worn on the underwear, the central area S3 is located at the crotch portion of the underwear. That is, the central region S3 is a region that is arranged between the wearer's inseam, that is, between the wearer's legs. The front area S1 is located on the front side of the central area S3. The front edge of the front region S1 defines the front edge of the absorbent article 1. The rear area S2 is located rearward of the central area S3. The rear edge of the rear area S2 defines the rear edge of the absorbent article 1. The length of the rear side region S2 in the front-rear direction L may be longer than the length of the central region S3 in the front-rear direction L.

中央域Ｓ３には、後述するウイング３が設けられてよい。ウイング３の前端縁３Ｆは、ウイング３の付け根によって規定されており、幅方向Ｗの内側に窪んだ２つの部分のうち、前側に位置する部分に相当する。ウイング３の前端縁３Ｆは、中央域Ｓ３と前側域Ｓ１との境界を規定してもよい。ウイング３の後端縁３Ｒは、ウイング３の付け根によって規定されており、幅方向Ｗの内側に窪んだ２つの部分のうち、後側に位置する部分に相当する。ウイング３の後端縁３Ｒは、中央域Ｓ３と後側域Ｓ２との間に位置してよい。ここで、前後方向Ｌにおけるウイング３の前端縁とウイング３の後端縁との間の領域を「ウイング域」と称する。また、ウイングの内側縁は、ウイングの付け根であり、ウイング３の前端縁３Ｆとウイング３の後端縁３Ｒを繋ぐ仮想線ＦＬ１（図１参照）となる。 The wing 3 described later may be provided in the central area S3. The front end edge 3F of the wing 3 is defined by the base of the wing 3, and corresponds to the portion located on the front side of the two recessed portions in the width direction W. The front edge 3F of the wing 3 may define the boundary between the central area S3 and the front area S1. The rear end edge 3R of the wing 3 is defined by the root of the wing 3, and corresponds to the portion located on the rear side of the two portions recessed inward in the width direction W. The rear edge 3R of the wing 3 may be located between the central area S3 and the rear area S2. Here, the area between the front end edge of the wing 3 and the rear end edge of the wing 3 in the front-rear direction L is referred to as a “wing area”. The inner edge of the wing is the root of the wing and serves as a virtual line FL1 (see FIG. 1) that connects the front end edge 3F of the wing 3 and the rear end edge 3R of the wing 3.

また、ウイングを有する吸収性物品では、中央域Ｓ３は、ウイング域と実質的に同じ領域となる。したがって、本明細書において、「中央域Ｓ３」との語は、「ウイング域」と読み替えることができることに留意すべきである。また、中央域Ｓ３は、ウイングを有しない吸収性物品にあっては、吸収コア３０を前後方向Ｌに三等分した真ん中の領域であってもよいし、高坪量部３３を有する吸収性物品にあっては、高坪量部３３を有する領域であってもよい。 In the absorbent article having the wings, the central area S3 is substantially the same as the wing area. Therefore, in this specification, it should be noted that the word "central area S3" can be read as "wing area". Further, in the case of an absorbent article having no wings, the central area S3 may be a central area obtained by dividing the absorbent core 30 into three equal parts in the front-rear direction L, or the absorbent article having the high basis weight portion 33. In the article, it may be a region having the high basis weight portion 33.

中央域Ｓ３は、中央中心線Ｓ３ＣＬを含む中央中心部Ｓ３１と、中央中心部Ｓ３１よりも前後方向Ｌの外側に位置する中央端部Ｓ３２と、を有する。中央中心線Ｓ３ＣＬは、中央域Ｓ３における前後方向Ｌの中心を通り、かつ幅方向Ｗに延びるラインである。中央中心部Ｓ３１は、中央中心線Ｓ３ＣＬを含み、中央中心線Ｓ３ＣＬから前後方向に一定の範囲を有する領域である。中央端部Ｓ３２は、中央域Ｓ３の前端縁から一定の範囲を有する領域と、中央域Ｓ３の後端縁から一定の範囲を有する領域と、によって構成されている。中央中心部Ｓ３１は、前後方向において中央端部Ｓ３２によって挟まれている。中央中心部Ｓ３１は、中央域Ｓ３後方向に３等分した領域のうち、中央に位置する領域によって構成されている。または、後述するウイング接合部６２が設けられた領域を中央中心部Ｓ３１として、中央中心部Ｓ３１の前後方向の外側の領域を、中央端部Ｓ３２としてもよい。 The central area S3 has a central central portion S31 including the central central line S3CL, and a central end portion S32 located outside the central central portion S31 in the front-rear direction L. The central centerline S3CL is a line that passes through the center of the central region S3 in the front-rear direction L and extends in the width direction W. The central center portion S31 is a region including the central center line S3CL and having a certain range in the front-rear direction from the central center line S3CL. The central end portion S32 is composed of a region having a certain range from the front end edge of the central region S3 and a region having a certain range from the rear end edge of the central region S3. The central central portion S31 is sandwiched by the central end portions S32 in the front-rear direction. The central central portion S31 is configured by the centrally located region among the three regions divided in the rearward direction of the central region S3. Alternatively, a region provided with a wing joint portion 62, which will be described later, may be the central central portion S31, and a region outside the central central portion S31 in the front-rear direction may be the central end portion S32.

吸収性物品１は、肌面シート１０、非肌面シート２０及び吸収コア３０を有する。肌面シート１０は、吸収コア３０よりも肌面側Ｔ１に設けられる。非肌面シート２０は、吸収コア３０よりも非肌面側Ｔ２に設けられる。吸収コア３０は、肌面シート１０と非肌面シート２０との間に設けられる。 The absorbent article 1 includes a skin sheet 10, a non-skin sheet 20, and an absorbent core 30. The skin sheet 10 is provided on the skin surface side T1 of the absorbent core 30. The non-skin surface sheet 20 is provided on the non-skin surface side T2 with respect to the absorbent core 30. The absorbent core 30 is provided between the skin sheet 10 and the non-skin sheet 20.

肌面シート１０は、体液等の液体を透過する液透過性のシートであり、不織布、織布、有孔プラスチックシート、メッシュシート等、液体を透過する構造を有する任意のシート状の材料から構成される。また、肌面シート１０は、吸収コア３０の幅方向の中央を覆う表面シート１１と、表面シート１１の外側部を覆い、かつ表面シート１１から幅方向の外側に延びるサイドシート１２によって構成されよい。表面シート１１は、少なくとも吸収コア３０の幅方向Ｗの中央を覆い、サイドシート１２は、幅方向Ｗにおける表面シート１１の外側部を覆い、表面シート１１よりも幅方向Ｗの外側へ延びてよい。サイドシート１２は、防漏性の観点から疎水性のシートを用いてもよい。肌面シートと吸収コア（又はコアラップ）との間には、セカンドシートが配置されていてもよい。 The skin sheet 10 is a liquid-permeable sheet that allows liquids such as body fluids to pass therethrough, and is made of any sheet-like material having a liquid-permeable structure, such as non-woven fabric, woven fabric, perforated plastic sheet, and mesh sheet. To be done. The skin sheet 10 may include a topsheet 11 that covers the center of the absorbent core 30 in the width direction, and a sidesheet 12 that covers the outer portion of the topsheet 11 and extends outward from the topsheet 11 in the width direction. .. The topsheet 11 may cover at least the center of the absorbent core 30 in the widthwise direction W, and the sidesheets 12 may cover the outer side portions of the topsheet 11 in the widthwise direction W and extend outside the topsheet 11 in the widthwise direction W. .. The side sheet 12 may be a hydrophobic sheet from the viewpoint of leakproofness. A second sheet may be arranged between the skin sheet and the absorbent core (or core wrap).

なお、本発明における外側部とは、幅方向Ｗにおける外側縁を含む幅方向Ｗに一定の範囲を占める部分であり、外側縁とは、幅方向Ｗにおける外側縁である。本発明における内側部とは、幅方向Ｗにおける内縁を含む幅方向Ｗに一定の範囲を占める部分であり、内側縁とは、幅方向Ｗにおける内縁である。また、本発明における前端部及び後端部は、前後方向Ｌにおける縁を含む前後方向Ｌに一定の範囲を占める部分であり、前端縁及び後端縁は、前後方向Ｌにおける縁である。外端部は、前端部及び後端部を含んでいる。 The outer portion in the present invention is a portion that occupies a certain range in the width direction W including the outer edge in the width direction W, and the outer edge is the outer edge in the width direction W. The inner portion in the present invention is a portion that occupies a certain range in the width direction W including the inner edge in the width direction W, and the inner edge is the inner edge in the width direction W. Further, the front end portion and the rear end portion in the present invention are portions that occupy a certain range in the front-rear direction L including the edges in the front-rear direction L, and the front end edge and the rear end edge are edges in the front-rear direction L. The outer end portion includes a front end portion and a rear end portion.

サイドシート１２は、防漏壁６５を構成してよい。防漏壁６５によって横漏れを抑制できる。防漏壁６５は、表面シート１１に対して起立可能である起立部６６と、起立部６６よりも幅方向Ｗの外側において起立部６６の起立支点となる幅支点部６７と、を有してよい。起立部６６は、サイドシート１２の内側部において、表面シート１１に対して接合されていない部分によって構成される。起立部６６は、前後方向に伸縮する防漏伸縮部材を有していてもよい。幅支点部６７は、起立部６６の起立支点となり、表面シート１１に対してサイドシート１２が接合された部分によって構成される。このような構成によれば、サイドシート１２が表面シート１１に対して接合された幅支点部６７を起点として、サイドシート１２が表面シート１１に対して起立可能である起立部（表面シートに対して接合されていない部分）６６が立ち上がり可能となる。なお、防漏壁６５は、起立部６６よりも前後方向の外側において起立部６６の起立支点となる前後支点部６８を有してもよい。 The side sheet 12 may form a leak preventive wall 65. Side leakage can be suppressed by the leak preventive wall 65. The leak-proof wall 65 has an upright portion 66 that can be upright with respect to the topsheet 11, and a width fulcrum portion 67 that is an upright fulcrum of the upright portion 66 outside the upright portion 66 in the width direction W. Good. The upright portion 66 is configured by a portion that is not joined to the topsheet 11 in the inner portion of the side sheet 12. The standing portion 66 may have a leak-proof stretchable member that stretches in the front-rear direction. The width fulcrum portion 67 serves as an upright fulcrum of the upright portion 66, and is configured by a portion in which the side sheet 12 is joined to the topsheet 11. According to such a configuration, the side sheet 12 can stand upright with respect to the top sheet 11 from the width fulcrum portion 67 where the side sheet 12 is joined to the top sheet 11. Part 66 that is not joined together can stand up. The leak preventive wall 65 may have a front and rear fulcrum portion 68 which is a fulcrum fulcrum of the standing portion 66 outside the standing portion 66 in the front-rear direction.

非肌面シート２０は、液不透過性のシートである。非肌面シート２０は、ポリエチレンシート、ポリプロピレン等を主体としたラミネート不織布、通気性の樹脂フィルム、スパンボンド、又はスパンレース等の不織布に通気性の樹脂フィルムが接合されたシートなどを用いることができる。 The non-skin surface sheet 20 is a liquid impermeable sheet. As the non-skin surface sheet 20, a polyethylene sheet, a laminated non-woven fabric mainly composed of polypropylene, a breathable resin film, a sheet in which a breathable resin film is bonded to a non-woven fabric such as spunbond or spunlace is used. it can.

吸収コア３０は、少なくとも中央域Ｓ３及び後側域Ｓ２に配置される。また、吸収コア３０は、前側域Ｓ１にも配置されてよい。吸収コア３０は、液体を吸収する吸収材料が積層されており、コアラップ（図示せず）によって覆われてよい。吸収コア３０を構成する吸収材料は、例えば、親水性繊維、パルプ及び高吸水性高分子（ＳＡＰ）から形成できる。 The absorbent core 30 is arranged at least in the central region S3 and the rear region S2. The absorbent core 30 may also be arranged in the front area S1. The absorbent core 30 is laminated with an absorbent material that absorbs liquid, and may be covered with a core wrap (not shown). The absorbent material forming the absorbent core 30 can be formed of, for example, hydrophilic fibers, pulp, and super absorbent polymer (SAP).

吸収コア３０は、熱可塑性樹脂繊維を含んでいてよい。コアラップは、例えば不織布やティッシュから構成することができる。コアラップは、吸収コア３０よりも肌面側Ｔ１と吸収コア３０よりも非肌面側Ｔ２にそれぞれ配置されてよい。変形例として、吸収コア３０は、コアラップを有していなくてもよい。この場合、吸収コア３０は、肌面シート１０と非肌面シート２０とによって覆われていればよい。吸収コア３０については、後述にて詳細に説明する。 The absorbent core 30 may include thermoplastic resin fibers. The core wrap can be composed of, for example, non-woven fabric or tissue. The core wrap may be arranged on the skin surface side T1 of the absorbent core 30 and on the non-skin surface side T2 of the absorbent core 30. As a modification, the absorbent core 30 may not have the core wrap. In this case, the absorbent core 30 may be covered with the skin sheet 10 and the non-skin sheet 20. The absorbent core 30 will be described in detail later.

前述したように、吸収性物品１は、ウイング３を有する。ウイング３は、中央域Ｓ３における吸収コア３０の外側縁よりも幅方向Ｗの外側に延出している。ウイング３は、肌面シート１０と非肌面シート２０との積層によって構成されてよい。ウイング３は、非肌面シート２０側に折り返し可能に構成されている。ウイング３は、使用時に着用物品としての下着のクロッチ部の非肌面側に折り返される。 As described above, the absorbent article 1 has the wings 3. The wings 3 extend outward in the width direction W from the outer edges of the absorbent core 30 in the central region S3. The wings 3 may be formed by laminating the skin surface sheet 10 and the non-skin surface sheet 20. The wing 3 is configured to be capable of being folded back toward the non-skin surface sheet 20 side. The wing 3 is folded back to the non-skin surface side of the crotch portion of the underwear as a wearing article when used.

変形例において、吸収性物品は、ヒップフラップを有してよい。ヒップフラップは、ウイング３と同様に、中央域Ｓ３における吸収コア３０の外側縁よりも幅方向Ｗの外側に延出し、肌面シート１０と非肌面シート２０との積層によって構成されてよい。ヒップフラップは、ウイング３よりも後側に位置し、後側域Ｓ２に設けられてよい。ヒップフラップは、使用時に折り返されず、下着と着用者の臀部との間に配置される。ヒップフラップには、吸収材料が設けられてなくてもよいし、吸収材料が設けられてもよい。 In a variation, the absorbent article may have hip flaps. Like the wings 3, the hip flaps may extend outward of the outer edge of the absorbent core 30 in the central region S3 in the width direction W, and may be formed by stacking the skin sheet 10 and the non-skin sheet 20. The hip flap may be located rearward of the wings 3 and may be provided in the rear side area S2. The hip flap is not folded back during use and is placed between the underwear and the buttocks of the wearer. The hip flap may or may not be provided with an absorbent material.

図２に示すように、吸収性物品１は、吸収性物品１を下着等の着用物品に接合するための粘着剤が設けられた接合部を有する。接合部は、吸収コア３０と重なる領域に配置された本体接合部６１と、ウイング３に配置されたウイング接合部６２と、を有してよい。本体接合部６１は、前後方向Ｌに延び、かつ幅方向Ｗに間隔を空けて配置されている。本体接合部６１は、吸収性物品の幅方向Ｗの中心である物品幅中心線１ＷＣに配置されてなく、物品幅中心線１ＷＣの幅方向Ｗの両側にそれぞれ複数列ずつ配置されている。ここで、物品幅中心線１ＷＣは、吸収性物品の幅方向Ｗの中心を通り、かつ前後方向Ｌに延びるラインである。具体的には、本体接合部６１は、物品幅中心線１ＷＣの幅方向Ｗの両側にそれぞれ８列ずつ配置されている。最も幅方向Ｗの外側の列に位置する本体接合部６１の前後方向の長さは、他の本体接合部６１の前後方向の長さよりも長くてよい。これらの接合部は、非肌面シート２０の非肌面側に設けられている。接合部は、使用前の状態において、被覆シートによって覆われてもよい。被覆シートは、使用前に接合部の粘着剤の劣化を防止し、吸収性物品の使用時に着用者によって取り外される。 As shown in FIG. 2, the absorbent article 1 has a joining portion provided with an adhesive for joining the absorbent article 1 to a wearing article such as underwear. The joint portion may include a main body joint portion 61 arranged in a region overlapping with the absorbent core 30, and a wing joint portion 62 arranged in the wing 3. The main body joint portions 61 extend in the front-rear direction L and are arranged at intervals in the width direction W. The main body joint portion 61 is not arranged on the article width centerline 1WC which is the center of the absorbent article in the widthwise direction W, but is arranged on each side of the article width centerline 1WC in the width direction W in plural rows. Here, the article width center line 1WC is a line that passes through the center of the absorbent article in the width direction W and extends in the front-rear direction L. Specifically, the main body joint portions 61 are arranged in eight rows on both sides of the article width center line 1WC in the width direction W, respectively. The length in the front-rear direction of the main body joint portions 61 located in the outermost row in the width direction W may be longer than the length in the front-rear direction of the other main body joint portions 61. These joints are provided on the non-skin surface side of the non-skin surface sheet 20. The joint part may be covered with the covering sheet before use. The covering sheet prevents deterioration of the adhesive at the joint before use and is removed by the wearer when using the absorbent article.

吸収性物品１の少なくとも中央域Ｓ３には、吸収性物品の幅方向Ｗの中心を挟んで前後方向に延びる一対の折曲基点部７１が設けられている。折曲基点部７１は、中央域Ｓ３のみに設けられていてもよいし、前側域Ｓ１に跨がっていてもよいし、後側域Ｓ２に跨がっていてもよい。折曲基点部７１は、少なくとも中央中心線Ｓ３ＣＬを跨がっていればよく、中央域Ｓ３の前後方向の全域でなく前後方向の一部の領域に設けられていてもよい。本実施の形態の折曲基点部７１の前端縁７１Ｆは、中央域Ｓ３の前端縁よりも後側に位置し、折曲基点部７１の後端縁７１Ｒは、中央域Ｓ３の後端縁よりも前側に位置してよい。 At least the central region S3 of the absorbent article 1 is provided with a pair of bent base points 71 extending in the front-rear direction with the center in the width direction W of the absorbent article sandwiched therebetween. The folding base point portion 71 may be provided only in the central area S3, may extend over the front area S1, or may extend over the rear area S2. The folding base point portion 71 has only to extend over at least the central center line S3CL, and may be provided not in the entire front-rear direction of the central region S3 but in a part of the front-rear direction. The front end edge 71F of the bending base point portion 71 of the present embodiment is located on the rear side of the front end edge of the central area S3, and the rear end edge 71R of the bending base point portion 71 is closer to the rear end edge of the central area S3. May also be located on the front side.

折曲基点部７１は、物品幅中心線１ＷＣに対して幅方向Ｗに離間しており、物品幅中心線１ＷＣを挟んで一対で配置されている。折曲基点部７１は、前後方向Ｌに延びている。なお、折曲基点部７１は、少なくとも前後方向に延びていればよく、前後方向Ｌに対して平行であってもよいし、前後方向Ｌに対して傾斜していてもよい。折曲基点部７１は、平面視にて幅方向Ｗの内側に膨らむ湾曲形状であってもよいし、幅方向Ｗの外側に向かって膨らむ湾曲形状であってもよい。折曲基点部７１は、複数の点状部分の集合体によって構成されていてもよいし、線状であってもよい。 The folding base points 71 are spaced from each other in the width direction W with respect to the article width centerline 1WC, and are arranged in a pair with the article width centerline 1WC sandwiched therebetween. The folding base point portion 71 extends in the front-rear direction L. The bending base point portion 71 may extend at least in the front-rear direction, may be parallel to the front-rear direction L, or may be inclined with respect to the front-rear direction L. The bent base point portion 71 may have a curved shape that bulges inward in the width direction W in a plan view, or may have a curved shape that bulges outward in the width direction W. The bent base point portion 71 may be formed of an aggregate of a plurality of dot-shaped portions, or may be linear.

折曲基点部７１は、吸収性物品の変形基点として機能する。折曲基点部７１は、剛性差、厚み差、吸収コアの坪量の差等によって変形の基点となるものであればよく、具体的には、少なくとも吸収コアを厚さ方向に圧縮した圧縮部、吸収コアの坪量が周囲よりも低い低坪量部、吸収コアの坪量が周囲よりも高い高坪量部、及び吸収コアの厚みが周囲よりも薄い低厚み部、吸収コアの厚みが周囲よりも厚い高厚み部の少なくともいずれか、又はこれらの組み合わせによって構成できる。 The bending base point portion 71 functions as a deformation base point of the absorbent article. The bending base point portion 71 may be a base point of deformation due to a difference in rigidity, a difference in thickness, a difference in basis weight of the absorbent core, or the like. Specifically, at least a compression portion obtained by compressing the absorbent core in the thickness direction. , A low basis weight portion where the basis weight of the absorbent core is lower than the surroundings, a high basis weight portion where the basis weight of the absorbent core is higher than the surroundings, and a low thickness portion where the thickness of the absorbent core is thinner than the surroundings, the thickness of the absorbent core is It can be configured by at least one of the high-thickness portions thicker than the surroundings, or a combination thereof.

図４は、図１のＢ部分の拡大図である。本実施の形態の折曲基点部７１は、圧搾部８０として折曲圧搾部８１によって構成されている。折曲圧搾部８１は、吸収コア３０と肌面シートとしての表面シート１１が厚さ方向に圧縮されている。折曲圧搾部８１は、低圧搾部８１Ｌと、低圧搾部８１Ｌよりも圧縮の程度が強い高圧搾部８１Ｈと、の集合体によって構成されてよい。低圧搾部８１Ｌの深さは、高圧搾部８１Ｈの深さよりも浅い。すなわち、低圧搾部８１Ｌの圧縮の程度は、高圧搾部８１Ｈの圧縮の程度よりも弱い。 FIG. 4 is an enlarged view of portion B in FIG. The folding base point portion 71 of the present embodiment is configured by the folding compression portion 81 as the compression portion 80. In the folding compression unit 81, the absorbent core 30 and the surface sheet 11 as the skin sheet are compressed in the thickness direction. The bent compression unit 81 may be configured by an assembly of a low pressure compression unit 81L and a high pressure compression unit 81H having a higher degree of compression than the low pressure compression unit 81L. The depth of the low-pressure pressing portion 81L is shallower than the depth of the high-pressure pressing portion 81H. That is, the compression degree of the low-pressure compression section 81L is weaker than the compression degree of the high-pressure compression section 81H.

折曲基点部７１は、吸収コア３０に重なっていてよい。吸収コアの変形基点として機能することが好ましい。吸収コア３０の外側縁３０Ｅは、折曲基点部７１よりも幅方向Ｗの外側に位置しており、吸収コア３０の外側縁３０Ｅと折曲基点部７１は、幅方向Ｗに離間している。そのため、吸収コアは、折曲基点部７１よりも幅方向Ｗの外側の領域と、折曲基点部７１同士によって挟まれた領域と、にそれぞれ配置されている。 The bent base point portion 71 may overlap the absorbent core 30. It preferably functions as a deformation starting point of the absorbent core. The outer edge 30E of the absorbent core 30 is positioned outside the bending base point portion 71 in the width direction W, and the outer edge 30E of the absorbent core 30 and the bending base point portion 71 are separated from each other in the width direction W. .. Therefore, the absorbent core is arranged in each of the region outside the folding base point portion 71 in the width direction W and the region sandwiched between the folding base point portions 71.

圧搾部８０は、折曲基点部７１を構成する折曲圧搾部の他に、前圧搾部８２と、後圧搾部８３と、サイド圧搾部８５と、中央圧搾部８６と、を有してよい。前圧搾部８２、後圧搾部８３、サイド圧搾部８５、及び中央圧搾部８６は、少なくとも吸収コアが厚さ方向に圧縮されており、肌面シートと吸収コアが厚さ方向に圧縮されていてもよい。 The compression unit 80 may include a front compression unit 82, a rear compression unit 83, a side compression unit 85, and a central compression unit 86, in addition to the bending compression unit that configures the bending base point unit 71. .. In the front squeezing section 82, the rear squeezing section 83, the side squeezing section 85, and the central squeezing section 86, at least the absorbent core is compressed in the thickness direction, and the skin sheet and the absorbent core are compressed in the thickness direction. Good.

図１に示すように、前圧搾部８２は、折曲基点部７１よりも前側に位置し、前側域Ｓ１と中央域Ｓ３に跨がって配置されてよい。後圧搾部８３は、折曲基点部７１よりも後側に位置し、後側域Ｓ２と中央域Ｓ３に跨がって配置されてよい。前圧搾部８２及び後圧搾部８３のそれぞれは、第１ライン及び第１ラインと交差部において交差する第２ラインを有するX字状であって、交差部から四方に延出する延出部を有してよい。 As shown in FIG. 1, the front squeezing section 82 may be located on the front side of the bent base point section 71 and may be disposed across the front side area S1 and the central area S3. The rear squeezing portion 83 may be located rearward of the folding base point portion 71 and may be disposed across the rear side area S2 and the central area S3. Each of the front squeezing section 82 and the rear squeezing section 83 has an X shape having a first line and a second line intersecting the first line at the intersection, and has an extending portion extending in four directions from the intersection. You may have.

サイド圧搾部８５は、平面視にて曲線状であり、間隔を空けて複数設けられている。サイド圧搾部８５は、幅方向Ｗの内側に膨らむ凸形状と、幅方向Ｗの外側に膨らむ凸形状と、が前後方向に連続したライン状であってよい。サイド圧搾部８５は、主に、折曲基点部７１よりも幅方向Ｗの外側と、前圧搾部８２よりも前側と、後圧搾部８３よりも後側と、に設けられてよい。サイド圧搾部８５は、折曲基点部７１、前圧搾部８２及び後圧搾部８３のそれぞれに重なる領域にも設けられてよい。サイド圧搾部８５は、折曲基点部７１よりも幅方向Ｗの内側に延出していてもよいし、前圧搾部８２よりも後側に延出していてもよいし、後圧搾部８３よりも前側に延出していてもよい。 The side compression unit 85 has a curved shape in a plan view, and a plurality of side compression units 85 are provided at intervals. The side compression part 85 may have a line shape in which a convex shape that bulges inward in the width direction W and a convex shape that bulges outward in the width direction W are continuous in the front-rear direction. The side squeezing portion 85 may be provided mainly on the outer side in the width direction W with respect to the bending base point portion 71, on the front side with respect to the front squeezing portion 82, and on the rear side with respect to the rear squeezing portion 83. The side compression part 85 may be provided also in the area|region which overlaps with each of the bending base point part 71, the front compression part 82, and the rear compression part 83. The side squeezing portion 85 may extend inward in the width direction W with respect to the folding base point portion 71, may extend rearward of the front squeezing portion 82, and may extend beyond the rear squeezing portion 83. It may extend to the front side.

中央圧搾部８６は、一対の折曲基点部７１に挟まれた領域に設けられている。中央圧搾部８６は、点状であって、前後方向及び幅方向Ｗに間隔を空けて複数配置されている。中央圧搾部８６は、高坪量部３３が配置された領域に設けられてよい。中央圧搾部８６の深さは、少なくともサイド圧搾部８５よりも深くてよい。すなわち、中央圧搾部８６の底面は、サイド圧搾部８５の底面よりも非肌面側Ｔ２に位置してよい。当該構成によれば、中央域Ｓ３が膣口にフィットした際に、中央圧搾部８６によって経血等の体液を吸収コア３０側に引き込み易くなる。 The central compression portion 86 is provided in a region sandwiched between the pair of bent base point portions 71. The central compression portions 86 are dot-shaped, and a plurality of central compression portions 86 are arranged at intervals in the front-rear direction and the width direction W. The central compression part 86 may be provided in the area|region where the high basic weight part 33 is arrange|positioned. The depth of the central pressing portion 86 may be deeper than at least the side pressing portion 85. That is, the bottom surface of the central compression portion 86 may be located closer to the non-skin surface side T2 than the bottom surface of the side compression portion 85. According to this configuration, when the central region S3 fits into the ostium of the vagina, the central squeezing portion 86 facilitates drawing body fluid such as menstrual blood toward the absorbent core 30 side.

（３）吸収コアの詳細構成
次に、図５を参照し、吸収コア３０の構成についてより具体的に説明する。図５は、吸収コア３０の平面図である。吸収コア３０の幅方向Ｗの長さは、前後方向において変化している。中央域Ｓ３における吸収コア３０の最大幅ＷＭＳ３は、前側域Ｓ１における吸収コア３０の最大幅ＷＭＳ１よりも長い。着用時に着用者の脚によって吸収性物品１が挟まれると、前側域Ｓ１及び中央域Ｓ３には、幅方向Ｗの外側から幅方向Ｗの内側に向かう力がかかる。このとき、中央域Ｓ３は、前側域Ｓ１よりも着用者の脚の力を受けやすく、幅方向Ｗの長さが短くなり易い。しかし、中央域Ｓ３における吸収コア３０の最大幅ＷＭＳ３が前側域Ｓ１における吸収コア３０の最大幅ＷＭＳ１よりも長いため、中央域Ｓ３における吸収コア３０の幅方向Ｗの長さを確保し易く、横漏れを抑制できる。 (3) Detailed Configuration of Absorbent Core Next, the configuration of the absorbent core 30 will be described more specifically with reference to FIG. FIG. 5 is a plan view of the absorbent core 30. The length of the absorbent core 30 in the width direction W changes in the front-rear direction. The maximum width WMS3 of the absorbent core 30 in the central region S3 is longer than the maximum width WMS1 of the absorbent core 30 in the front region S1. When the absorbent article 1 is sandwiched between the wearer's legs during wearing, a force is applied to the front area S1 and the central area S3 from the outside in the width direction W to the inside in the width direction W. At this time, the central area S3 is more likely to receive the force of the wearer's legs than the front area S1, and the length in the width direction W is likely to be shorter. However, since the maximum width WMS3 of the absorbent core 30 in the central region S3 is longer than the maximum width WMS1 of the absorbent core 30 in the front region S1, it is easy to secure the length in the width direction W of the absorbent core 30 in the central region S3, and Leakage can be suppressed.

なお、中央域Ｓ３における吸収コア３０の最大幅ＷＭＳ３は、後側域の吸収コアの最大幅ＷＭＳ２と同じであってもよいし、後側域Ｓ２の吸収コアの最大幅よりも短くてもよい。後側域Ｓ２の吸収コアは、臀部を覆うように配置されており、比較的広く設けられてよい。また、後側域Ｓ２の吸収コアは、着用時に着用者の脚によって挟まれる力が掛かりにくく、前側域及び中央域のように、着用者の脚によって挟まれる力による変形が生じ難いためである。 The maximum width WMS3 of the absorbent core 30 in the central area S3 may be the same as the maximum width WMS2 of the absorbent core in the rear area, or may be shorter than the maximum width of the absorbent core in the rear area S2. .. The absorbent core of the rear side region S2 is arranged so as to cover the buttocks, and may be provided relatively widely. In addition, the absorbent core of the rear side region S2 is less likely to be subjected to the force of being pinched by the wearer's legs when worn, and is less likely to be deformed due to the force of being pinched by the wearer's legs, like the front side region and the central region. ..

また、中央域Ｓ３における吸収コア３０の外側縁３０Ｅは、幅方向Ｗの外側に膨らむ凸形状であってよく、中央中心部Ｓ３１における吸収コア３０の外側縁３０Ｅは、中央端部Ｓ３２における吸収コア３０の外側縁３０Ｅよりも幅方向Ｗの外側に位置してよい。なお、中央中心部Ｓ３１の少なくとも一部において、吸収コア３０の外側縁３０Ｅが、中央端部Ｓ３２の吸収コア３０の外側縁３０Ｅよりも幅方向Ｗの外側に位置していればよい。中央域Ｓ３における吸収コア３０の最大幅ＷＭＳ３は、中央中心線Ｓ３ＣＬ上に位置してよい。中央中心部Ｓ３１は、中央域Ｓ３内においても最も幅方向Ｗの内側に向かう力がかかり易い。中央中心部Ｓ３１における吸収コア３０の幅方向Ｗの長さを確保することにより、横漏れをより抑制できる。 The outer edge 30E of the absorbent core 30 in the central region S3 may have a convex shape that bulges outward in the width direction W, and the outer edge 30E of the absorbent core 30 in the central central portion S31 may be the absorbent core in the central end portion S32. The outer edge 30E of 30 may be located outside in the width direction W. It is sufficient that the outer edge 30E of the absorbent core 30 is located outside the outer edge 30E of the absorbent core 30 at the central end portion S32 in the width direction W in at least a part of the central portion S31. The maximum width WMS3 of the absorbent core 30 in the central region S3 may be located on the central centerline S3CL. The central center portion S31 is most likely to receive the innermost force in the width direction W even in the central region S3. By ensuring the length of the absorbent core 30 in the width direction W in the central central portion S31, lateral leakage can be further suppressed.

図１に示すように、吸収コアの外側縁３０Ｅと折曲基点部７１の幅方向Ｗの距離は、前後方向において変化してよい。中央中心部Ｓ３１における吸収コア３０の外側縁３０Ｅと折曲基点部７１の幅方向Ｗの距離Ｇ１１は、中央端部Ｓ３２における吸収コアの外側縁３０Ｅと折曲基点部７１の幅方向の距離Ｇ１２，Ｇ１３よりも長い。距離Ｇ１１は、中央中心部Ｓ３１における吸収コア３０の外側縁３０Ｅと折曲基点部７１の外側縁との距離である。Ｇ１２は、中央中心部Ｓ３１よりも前側に位置する中央端部Ｓ３２における吸収コアの外側縁３０Ｅと折曲基点部７１の外側縁との距離である。Ｇ１３は、中央中心部Ｓ３１よりも後側に位置する中央端部Ｓ３２における吸収コアの外側縁３０Ｅと折曲基点部７１の外側縁との距離である。Ｇ１１は、中央中心部Ｓ３１内で変化していてもよく、Ｇ１２及びＧ１３は、中央端部Ｓ３２内で変化していてもよい。Ｇ１１、Ｇ１２、及びＧ１３が変化する形態にあっては、Ｇ１１の最大値がＧ１２の最大値よりも長く、Ｇ１１の最大値がＧ１３の最大値よりも長ければよい。また、Ｇ１２とＧ１３は、異なっていてもよい。 As shown in FIG. 1, the distance between the outer edge 30E of the absorbent core and the bending base point portion 71 in the width direction W may change in the front-rear direction. The distance G11 in the width direction W between the outer edge 30E of the absorbent core 30 and the folding base point portion 71 in the central center portion S31 is the distance G12 in the width direction between the outer edge 30E of the absorbent core and the folding base point portion 71 in the central end portion S32. , Longer than G13. The distance G11 is the distance between the outer edge 30E of the absorbent core 30 and the outer edge of the bent base point portion 71 in the central center portion S31. G12 is the distance between the outer edge 30E of the absorbent core and the outer edge of the bent base point portion 71 at the central end portion S32 located on the front side of the central central portion S31. G13 is the distance between the outer edge 30E of the absorbent core and the outer edge of the bent base point portion 71 at the central end portion S32 located on the rear side of the central central portion S31. G11 may have changed in the central central portion S31, and G12 and G13 may have changed in the central end portion S32. In the form in which G11, G12, and G13 change, the maximum value of G11 is longer than the maximum value of G12, and the maximum value of G11 is longer than the maximum value of G13. Further, G12 and G13 may be different.

吸収コア３０の外側縁３０Ｅと折曲基点部７１の幅方向Ｗの距離は、中央中心線Ｓ３ＣＬに向かって長くなっていてよい。本実施の形態では、吸収コア３０の外側縁３０Ｅが中央端部Ｓ３２から中央中心部Ｓ３１に向かって幅方向Ｗの外側に膨らんだ湾曲形状であり、折曲基点部７１が中央端部Ｓ３２から中央中心部Ｓ３１に向かって幅方向Ｗの内側に膨らんだ湾曲形状である。これらの構成によって、Ｇ１１＞Ｇ１２及びＧ１１＞Ｇ１３を実現している。 The distance in the width direction W between the outer edge 30E of the absorbent core 30 and the bent base point portion 71 may be longer toward the central center line S3CL. In the present embodiment, the outer edge 30E of the absorbent core 30 has a curved shape that bulges outward from the central end S32 toward the central central portion S31 in the width direction W, and the bending base point portion 71 extends from the central end portion S32. It has a curved shape that bulges inward in the width direction W toward the central central portion S31. With these configurations, G11>G12 and G11>G13 are realized.

Ｇ１１＞Ｇ１２及びＧ１１＞Ｇ１３を実現する他の構成としては、吸収コア３０の外側縁３０Ｅが中央端部Ｓ３２から中央中心部Ｓ３１に向かって幅方向Ｗの外側に膨らんだ湾曲形状であり、折曲基点部７１が前後方向に対して平行である構成、吸収コア３０の外側縁３０Ｅ及び折曲基点部７１が共に中央端部Ｓ３２から中央中心部Ｓ３１に向かって幅方向Ｗの外側に膨らんだ湾曲形状であって、その膨らむ程度が折曲基点部７１の方がなだらかである構成を例示できる。 As another configuration that realizes G11>G12 and G11>G13, the outer edge 30E of the absorbent core 30 has a curved shape that bulges outward in the width direction W from the central end S32 toward the central center S31. The curved base point portion 71 is parallel to the front-rear direction, and the outer edge 30E of the absorbent core 30 and the bent base point portion 71 both bulge outward in the width direction W from the central end portion S32 toward the central central portion S31. It is possible to exemplify a configuration in which the bent base point portion 71 has a curved shape and the degree of swelling is gentler.

さらに、中央中心部Ｓ３１における吸収コア３０の幅方向Ｗの長さをより確保するために、中央域Ｓ３における吸収コア３０の最大幅ＷＭＳ３は、前後方向Ｌに延びる一定範囲に亘って設けられてよい。幅方向Ｗの内側に向かう力がかかった際に、幅入りがより抑制され易くなり、横漏れを抑制できる。本実施の形態の中央中心部Ｓ３１における吸収コア３０の外側縁は、中央中心線Ｓ３ＣＬから前後方向Ｌに沿って平行に延びている。 Further, in order to further secure the length in the width direction W of the absorbent core 30 in the central central portion S31, the maximum width WMS3 of the absorbent core 30 in the central region S3 is provided over a certain range extending in the front-rear direction L. Good. When a force directed inward in the width direction W is applied, width entry is more easily suppressed, and side leakage can be suppressed. The outer edge of the absorbent core 30 in the central central portion S31 of the present embodiment extends parallel to the front-rear direction L from the central central line S3CL.

図５に示すように、吸収コア３０の外側縁３０Ｅには、幅方向Ｗの内側に括れる括れ部９０が設けられている。括れ部は、中央中心部Ｓ３１よりも後側に配置された第１括れ部９１と、中央中心部Ｓ３１よりも前側に配置された第２括れ部９２と、を有する。第１括れ部９１及び第２括れ部９２は、物品幅中心線１ＷＣを挟み、かつ幅方向Ｗに間隔を空けて一対で配置されている。括れ部９０は、吸収コア３０の一部を切欠した部分または吸収コア３０の他の部分に比して肉薄の肉薄部分によって構成される。図示例では、吸収コア３０の一部を切欠した部分によって構成されている。なお、括れ部の形状は、必要に応じて、適宜変更することができる。 As shown in FIG. 5, the outer edge 30E of the absorbent core 30 is provided with a constricted portion 90 constricted to the inner side in the width direction W. The constricted portion has a first constricted portion 91 arranged rearward of the central central portion S31 and a second constricted portion 92 arranged frontward of the central central portion S31. The first constricted portion 91 and the second constricted portion 92 sandwich the article width center line 1WC and are arranged in a pair in the width direction W with an interval. The constricted portion 90 is formed of a thin portion that is thinner than a portion of the absorbent core 30 that is cut away or that of the other portions of the absorbent core 30. In the illustrated example, the absorbent core 30 is configured by a cutout portion. The shape of the constricted portion can be appropriately changed as necessary.

第１括れ部９１は、吸収コア３０の外側縁３０Ｅから幅方向Ｗの内側に向かって延びている。第１括れ部は、幅方向の内側縁に位置する内端（先端）９１Ａと、内端９１Ａから後側に延びる第１後側縁９１Ｃ、内端９１Ａから前側に延びる第１前側縁９１Ｂと、第１後側縁９１Ｃと吸収コアの外側縁３０Ｅとの交点である後外端９１Ｅと、第１前側縁９１Ｂと吸収コアの外側縁３０Ｅとの交点である前外端９１Ｄと、有する。内端（先端）９１Ａは、第１括れ部９１の前後方向の中心よりも前側に偏倚している。第１前側縁９１Ｂの前後方向の長さは、第１後側縁９１Ｃの前後方向の長さよりも短い。第１括れ部９１の前後方向Ｌの長さは、幅方向Ｗの内側に向かって短くなっている。 The first constricted portion 91 extends inward in the width direction W from the outer edge 30E of the absorbent core 30. The first constricted portion includes an inner end (tip) 91A located at an inner edge in the width direction, a first rear side edge 91C extending rearward from the inner end 91A, and a first front side edge 91B extending frontward from the inner end 91A. , A rear outer end 91E that is an intersection of the first rear side edge 91C and the outer edge 30E of the absorbent core, and a front outer end 91D that is an intersection of the first front side edge 91B and the outer edge 30E of the absorbent core. The inner end (tip) 91A is biased to the front side with respect to the center of the first constricted portion 91 in the front-rear direction. The length of the first front side edge 91B in the front-rear direction is shorter than the length of the first rear side edge 91C in the front-rear direction. The length of the first constricted portion 91 in the front-rear direction L decreases toward the inside in the width direction W.

第２括れ部９２は、吸収コア３０の外側縁３０Ｅから幅方向Ｗの内側に向かって延びている。第２括れ部９２は、幅方向の内側縁に位置する内端（先端）９２Ａと、内端９２Ａから後側に延びる第２後側縁９２Ｃと、内端９２Ａから前側に延びる第２前側縁９２Ｂと、第２後側縁９２Ｃと吸収コアの外側縁３０Ｅとの交点である後外端９２Ｅと、第２前側縁９２Ｂと吸収コアの外側縁３０Ｅとの交点である前外端９２Ｄと、有する。内端（先端）９２Ａは、第２括れ部９２の前後方向の中心よりも後側に偏倚している。第２前側縁９２Ｂの前後方向の長さは、第２後側縁９２Ｃの前後方向の長さよりも長い。第２括れ部９２の前後方向の長さは、幅方向Ｗの内側に向かって短くなっている。 The second constricted portion 92 extends inward in the width direction W from the outer edge 30E of the absorbent core 30. The second constricted portion 92 includes an inner end (tip) 92A located at an inner edge in the width direction, a second rear side edge 92C extending rearward from the inner end 92A, and a second front side edge extending frontward from the inner end 92A. 92B, a rear outer end 92E that is an intersection of the second rear side edge 92C and the outer edge 30E of the absorbent core, and a front outer end 92D that is an intersection of the second front side edge 92B and the outer edge 30E of the absorbent core, Have. The inner end (tip) 92A is biased rearward of the center of the second constricted portion 92 in the front-rear direction. The length of the second front side edge 92B in the front-rear direction is longer than the length of the second rear side edge 92C in the front-rear direction. The length of the second constricted portion 92 in the front-rear direction is shorter toward the inner side in the width direction W.

吸収コア３０の坪量は、一定であってもよいし、部分的に異なっていていてもよい。吸収コア３０は、周囲の吸収コア３０よりも坪量が高い高坪量部３３が設けられていてよい。本実施の形態の高坪量部３３は、折曲基点部７１よりも幅方向Ｗの外側の領域よりも吸収コアの坪量がＴ高い領域である。高坪量部３３は、一対の折曲基点部７１によって挟まれた領域のうち少なくとも一部に設けられてよい。 The basis weight of the absorbent core 30 may be constant or may be partially different. The absorbent core 30 may be provided with a high basis weight portion 33 having a higher basis weight than the surrounding absorbent cores 30. The high basis weight portion 33 of the present embodiment is an area in which the basis weight of the absorbent core is T higher than the area outside the folding base point portion 71 in the width direction W. The high basis weight portion 33 may be provided in at least a part of the region sandwiched by the pair of bent base point portions 71.

（４）着用時の変形態様
次いで、図６から図８に基づいて着用時の変形態様について説明する。図６は、吸収性物品が着用物品としての下着Ｓに装着された状態を模式的に示す斜視図である。図７及び図８は、図３に示す断面を基準とした着用状態を示している。図７は、幅方向Ｗの内側に向かう力を受けていない状態であり、図８は、幅方向Ｗの内側に向かう力を受けた状態である。本実施の形態の吸収性物品は、***口に対するフィット性を確保しつつ、中央域Ｓ３の横漏れを抑制できるように構成されている。 (4) Deformation when Wearing Next, the deformation when wearing will be described based on FIGS. 6 to 8. FIG. 6 is a perspective view schematically showing a state in which the absorbent article is attached to underwear S as a wearing article. 7 and 8 show a worn state based on the cross section shown in FIG. FIG. 7 shows a state in which a force directed inward in the width direction W is not received, and FIG. 8 shows a state in which a force directed inward in the width direction W is received. The absorbent article according to the present embodiment is configured so as to be able to suppress lateral leakage in the central region S3 while ensuring fitability with respect to the excretory opening.

着用時に着用者の脚によって中央域Ｓ３が挟まれると、中央域Ｓ３には、幅方向Ｗの外側から幅方向Ｗの内側に向かう力がかかる。このとき、吸収性物品は、折曲基点部７１を基点に変形する。そして、中央域Ｓ３の折曲基点部７１によって挟まれた領域は、着用者側に膨らむように変形し、***口にフィットする。 When the central region S3 is sandwiched by the wearer's legs during wearing, a force is applied to the central region S3 from the outside in the width direction W to the inside in the width direction W. At this time, the absorbent article is deformed with the bending base point portion 71 as a base point. Then, the region sandwiched by the bent base points 71 of the central region S3 is deformed so as to bulge toward the wearer and fits into the excretory opening.

中央域Ｓ３は、前側域よりも着用者の脚の力を受けやすく、幅方向Ｗの長さが短くなり易い。しかし、中央域Ｓ３における吸収コアの最大幅ＷＭＳ３が前側域Ｓ１における吸収コアの最大幅ＷＭＳ１よりも長いため、中央域Ｓ３における吸収コアの幅方向Ｗの長さを確保し易く、横漏れを抑制できる。 The central region S3 is more likely to receive the force of the wearer's legs than the front region, and the length in the width direction W tends to be shorter. However, since the maximum width WMS3 of the absorbent core in the central region S3 is longer than the maximum width WMS1 of the absorbent core in the front region S1, it is easy to secure the length in the width direction W of the absorbent core in the central region S3 and suppress lateral leakage. it can.

また、中央域Ｓ３内おいても特に中央中心部Ｓ３１は、最も着用者の脚の力を受けやすく、幅方向Ｗの長さが短くなり易い。また、中央中心部Ｓ３１は、中央端部Ｓ３２と比較して、***口の近くに配置され易く、体液が導かれ易い。しかし、中央中心部Ｓ３１における吸収コア３０の外側縁３０Ｅと折曲基点部７１の距離が比較的長いため、中央中心部Ｓ３１において折曲基点部７１よりも幅方向Ｗの外側の領域に体液が導かれても、折曲基点部７１よりも幅方向Ｗの外側に位置する吸収コアで体液を吸収し、横漏れを抑制することができる。一方、中央端部Ｓ３２は、中央中心部Ｓ３１よりも、***口と離れて配置され易く、体液が導かれにくい。よって、中央端部Ｓ３２における吸収コア３０の外側縁３０Ｅと折曲基点部７１の距離が比較的短くても、体液の横漏れを抑制することができる。よって、折曲基点部７１によって挟まれた領域の***口に対するフィット性を確保しつつ、中央域Ｓ３の横漏れを抑制できる。 Further, even in the central region S3, especially the central central portion S31 is most likely to receive the force of the wearer's leg, and the length in the width direction W tends to be short. Further, the central central portion S31 is more likely to be disposed near the excretory opening than the central end portion S32 and the body fluid is more likely to be guided. However, since the distance between the outer edge 30E of the absorbent core 30 and the folding base point portion 71 in the central center portion S31 is relatively long, body fluid is not present in the region outside the folding base point portion 71 in the width direction W in the central central portion S31. Even if guided, body fluid can be absorbed by the absorbent core located outside the bending base point portion 71 in the width direction W, and lateral leakage can be suppressed. On the other hand, the central end portion S32 is easier to be arranged apart from the excretory opening than the central central portion S31, and the body fluid is less likely to be guided. Therefore, even if the distance between the outer edge 30E of the absorbent core 30 and the bent base point portion 71 at the central end S32 is relatively short, the lateral leakage of body fluid can be suppressed. Therefore, it is possible to suppress the lateral leakage of the central region S3 while ensuring the fitting property of the region sandwiched by the bent base points 71 with respect to the excretory opening.

中央中心部Ｓ３１における吸収コア３０の外側縁３０Ｅは、中央端部Ｓ３２における吸収コア３０の外側縁３０Ｅよりも幅方向Ｗの外側に位置してよい。中央域Ｓ３内おいても特に中央中心部Ｓ３１は、最も着用者の脚の力を受けやすく、幅方向Ｗの長さが短くなり易い。しかし、中央中心部Ｓ３１における吸収コア３０の外側縁３０Ｅが中央端部Ｓ３２における吸収コア３０の外側縁３０Ｅよりも幅方向Ｗの外側に位置し、中央中心部Ｓ３１における吸収コアの幅方向Ｗの長さを確保し易く、横漏れを抑制できる。 The outer edge 30E of the absorbent core 30 in the central central portion S31 may be located outside in the width direction W than the outer edge 30E of the absorbent core 30 in the central end portion S32. Even in the central region S3, the central central portion S31 is most likely to receive the force of the wearer's leg, and the length in the width direction W tends to be short. However, the outer edge 30E of the absorbent core 30 in the central center portion S31 is located outside the outer edge 30E of the absorbent core 30 in the central end portion S32 in the width direction W, and the width direction W of the absorbent core in the central central portion S31 in the width direction W of the absorbent core 30. It is easy to secure the length and side leakage can be suppressed.

折曲基点部７１は、中央端部Ｓ３２から中央中心部Ｓ３１に向かって幅方向Ｗの内側に膨らんだ湾曲形状であってよい。中央端部Ｓ３２から中央中心部Ｓ３１に向かって幅方向Ｗの内側に膨らんだ湾曲形状であるため、幅方向Ｗの内側に向かう力を中央中心部Ｓ３１において折曲基点部７１間に伝えやすく、折曲基点部７１間の領域が身体側により膨らみやすく、***口に対するフィット性をより向上できる。 The folding base point portion 71 may have a curved shape that bulges inward in the width direction W from the central end portion S32 toward the central central portion S31. Since it has a curved shape that bulges inward in the width direction W from the central end portion S32 toward the central central portion S31, it is easy to transmit a force directed inward in the width direction W between the bending base points 71 in the central central portion S31. The area between the bent base points 71 is more likely to swell toward the body side, and the fit with respect to the excretory opening can be further improved.

折曲基点部７１は、折曲圧搾部８１によって構成されてよい。折曲圧搾部８１は、周囲と比較して剛性差及び厚み差があり、変形基点となりやすい。また、折曲圧搾部８１は、周囲と比較して高い密度であり、体液を引き込みやすい。よって、折曲基点部７１に到達した体液を前後方向Ｌに拡散しつつ、折曲基点部７１よりも幅方向Ｗの外側に拡散させ難くし、横漏れをより抑制できる。 The folding base point portion 71 may be configured by the folding pressing portion 81. The bending pressing part 81 has a difference in rigidity and a difference in thickness as compared with the surroundings, and is likely to become a deformation starting point. In addition, the bending and pressing unit 81 has a higher density than the surroundings, and thus it is easy to draw body fluid. Therefore, the body fluid that has reached the bending base point portion 71 is diffused in the front-rear direction L and is less likely to be diffused to the outside in the width direction W than the bending base point portion 71, and lateral leakage can be further suppressed.

図６に示すように、サイド圧搾部８５の厚さ方向における最深部ＤＭ８５は、折曲圧搾部８１の厚さ方向における最深部ＤＭ８１よりも肌面側Ｔ１に位置してよい。すなわち、サイド圧搾部８５の圧縮の程度は、折曲圧搾部８１の圧縮の程度よりも弱くてよい。当該構成によれば、サイド圧搾部８５によって折曲基点部７１よりも幅方向Ｗの外側の領域の剛性を高め、脚によって挟まれた際に折曲基点部７１よりも幅方向Ｗの外側の領域が幅入りし過ぎることを抑制できる。よって、折曲基点部７１よりも幅方向Ｗの外側の領域の幅方向Ｗの長さを確保でき、横漏れを抑制できる。また、折曲基点部７１よりも幅方向Ｗの外側の領域は、サイド圧搾部８５の圧縮の程度が弱いため、剛性が高くなりすぎず、脚に触れた際の違和感を抑制できる。 As shown in FIG. 6, the deepest part DM85 of the side compression part 85 in the thickness direction may be located closer to the skin surface side T1 than the deepest part DM81 of the bending compression part 81 in the thickness direction. That is, the degree of compression of the side compression portion 85 may be weaker than the degree of compression of the bent compression portion 81. According to this configuration, the side compression portion 85 enhances the rigidity of the region outside the folding base point portion 71 in the width direction W, and when sandwiched by the legs, is located outside the folding base point portion 71 in the width direction W. It is possible to prevent the area from being too wide. Therefore, the length in the width direction W of the region outside the bending base point portion 71 in the width direction W can be secured, and lateral leakage can be suppressed. In addition, since the degree of compression of the side squeezing portion 85 is weak in the area outside the bending base point portion 71 in the width direction W, the rigidity does not become too high, and a feeling of strangeness when touching the leg can be suppressed.

なお、折曲圧搾部８１が高圧搾部８１Ｈと低圧搾部８１Ｌを有する形態にあっては、サイド圧搾部８５の最深部ＤＭ８５が、高圧搾部８１Ｈの最深部よりも肌面側Ｔ１に位置していればよく、サイド圧搾部８５の最深部ＤＭ８５が低圧搾部８１Ｌの最深部よりも非肌面側又は厚み方向において同じ深さであってもよい。 In addition, in the form in which the bending press part 81 has the high pressure press part 81H and the low pressure press part 81L, the deepest part DM85 of the side press part 85 is located on the skin surface side T1 rather than the deepest part of the high pressure press part 81H. The deepest part DM85 of the side compression part 85 may have the same depth on the non-skin surface side or in the thickness direction than the deepest part of the low pressure compression part 81L.

一対の折曲基点部７１に挟まれた領域には、高坪量部３３が設けられてよい。高坪量部３３によって一対の折曲基点部７１の間の領域における体液の吸収容量を高め、折曲基点部７１よりも幅方向Ｗの外側の領域に到達する体液を低減し、横漏れをより抑制できる。また、高坪量部３３によって一対の折曲基点部７１の間の領域の厚みが厚くなり、一対の折曲基点部７１の間の領域の***口に対するフィット性を向上できる。また、高坪量部３３によって一対の折曲基点部７１の間の領域の剛性が高くなり、幅方向Ｗの内側に向かう力がかかった際の意図しないヨレや折れを抑制でき、フィット性を確保できる。 The high basis weight portion 33 may be provided in the area sandwiched between the pair of folding base points 71. The high basis weight portion 33 increases the absorption capacity of body fluid in the area between the pair of bending base points 71, reduces the body fluid reaching the area outside the bending base point portion 71 in the width direction W, and prevents side leakage. Can be suppressed more. Further, the high basis weight portion 33 increases the thickness of the region between the pair of bending base points 71, and the fit of the region between the pair of bending base points 71 to the excretory opening can be improved. Further, the high basis weight portion 33 increases the rigidity of the region between the pair of bending base points 71, and it is possible to suppress unintentional twisting and bending when a force directed inward in the width direction W is applied, and the fitting property is improved. Can be secured.

一対の折曲基点部７１に挟まれた領域には、中央圧搾部８６が設けられてよい。当該構成によれば、一対の折曲基点部７１の間の領域における体液の引き込み性を高め、折曲基点部７１よりも幅方向Ｗの外側の領域に到達する体液を低減し、横漏れをより抑制できる。また、中央圧搾部８６によって一対の折曲基点部７１の間の領域の剛性が高くなり、幅方向Ｗの内側に向かう力がかかった際の意図しないヨレや折れを抑制でき、フィット性を確保できる。 A central squeezing portion 86 may be provided in the area sandwiched between the pair of bent base point portions 71. According to this configuration, the fluid drawability in the region between the pair of folding base points 71 is enhanced, the body fluid reaching the region outside the folding base point portion 71 in the width direction W is reduced, and side leakage is prevented. Can be suppressed more. In addition, the central squeezing portion 86 increases the rigidity of the region between the pair of bending base points 71, and can prevent unintentional twisting and bending when a force inward in the width direction W is applied, thus ensuring fit. it can.

本体接合部６１は、中央中心部Ｓ３１における吸収コア３０の外側縁３０Ｅと重ならない領域に配置されてよい。本体接合部６１は、中央中心部Ｓ３１における吸収コア３０の外側縁３０Ｅよりも幅方向Ｗの内側に配置されてよい。着用者の脚によって挟まれた際の力は、中央中心部Ｓ３１に掛かり易く、特に中央中心部Ｓ３１における吸収コア３０の外側縁３０Ｅにかかる。このとき、中央中心部Ｓ３１における吸収コア３０の外側縁３０Ｅに本体接合部６１が重なっていないため、中央中心部Ｓ３１における吸収コア３０の外側縁３０Ｅが着用物品側に引っ張られずに、着用物品に対して立ち上がりやすくなる。中央中心部Ｓ３１における吸収コア３０の外側縁３０Ｅが立ち上がることにより、***口のサイドを覆う壁が形成され、横漏れを抑制できる。 The main body joint portion 61 may be arranged in a region that does not overlap the outer edge 30E of the absorbent core 30 in the central central portion S31. The main body joint portion 61 may be arranged inside the outer edge 30E of the absorbent core 30 in the central center portion S31 in the width direction W. The force of being pinched by the wearer's legs is easily applied to the central central portion S31, and particularly to the outer edge 30E of the absorbent core 30 in the central central portion S31. At this time, since the main body joint portion 61 does not overlap the outer edge 30E of the absorbent core 30 in the central central portion S31, the outer edge 30E of the absorbent core 30 in the central central portion S31 is not pulled to the worn article side, and On the other hand, it becomes easier to stand up. Since the outer edge 30E of the absorbent core 30 in the central central portion S31 rises, a wall that covers the side of the excretion opening is formed, and side leakage can be suppressed.

中央域Ｓ３において、吸収コア３０の外側縁３０Ｅは、ウイング３よりも幅方向Ｗの内側に位置してよい。すなわち、吸収コアの外側縁３０Ｅは、ウイングの内側縁（仮想線ＦＬ１）と離間し、ウイングの内側縁よりも幅方向Ｗの内側に位置する。当該構成によれば、中央域Ｓ３の吸収コア３０は、ウイング３と共に非肌面側に折り返されず、着用物品に対して立ち上がりやすくなる。中央域Ｓ３における吸収コア３０の外側縁３０Ｅが立ち上がることにより、***口の側方を覆う壁が形成され、横漏れを抑制できる。 In the central region S3, the outer edge 30E of the absorbent core 30 may be located inside the wing 3 in the width direction W. That is, the outer edge 30E of the absorbent core is spaced apart from the inner edge of the wing (imaginary line FL1) and is located on the inner side in the width direction W than the inner edge of the wing. According to this configuration, the absorbent core 30 in the central region S3 is not folded back to the non-skin surface side together with the wings 3, and it becomes easier to stand up with respect to the worn article. Since the outer edge 30E of the absorbent core 30 in the central region S3 rises, a wall that covers the side of the excretion opening is formed, and side leakage can be suppressed.

防漏壁６５は、折曲基点部７１よりも幅方向Ｗの外側に位置してよい。すなわち、防漏壁６５の内側縁を構成する起立部の内側縁は、折曲基点部７１よりも幅方向Ｗの外側に位置してよい。なお、防漏伸縮部材を有する形態にあっては、防漏伸縮部材の皺が形成されなくなるまで吸収性物品を伸長させた状態で、防漏壁が折曲基点部７１よりも幅方向Ｗの外側に位置していればよい。当該構成によれば、***口の側方を覆う防漏壁が折曲基点部７１よりも幅方向Ｗの外側に形成され、横漏れを抑制できる。よって、折曲基点部７１よりも幅方向Ｗの外側に体液が拡散した場合に、折曲基点部７１よりも幅方向Ｗの外側の吸収コアによって体液を吸収するとともに、防漏壁によって横漏れを抑制できる。 The leak preventive wall 65 may be located outside the bent base point portion 71 in the width direction W. That is, the inner edge of the standing portion that constitutes the inner edge of the leak preventive wall 65 may be located outside the bent base point portion 71 in the width direction W. In the form having the leak-proof stretchable member, the leak-proof wall extends in the width direction W from the folding base point portion 71 in a state where the absorbent article is stretched until wrinkles of the leak-proof stretchable member are not formed. It just needs to be located outside. According to this configuration, the leak prevention wall that covers the side of the excretion opening is formed outside the bent base point portion 71 in the width direction W, and side leakage can be suppressed. Therefore, when the bodily fluid diffuses to the outside in the width direction W from the bending base point 71, the bodily fluid is absorbed to the outside in the width direction W from the bending base point 71, and the leaking wall laterally leaks. Can be suppressed.

中央中心部Ｓ３１における吸収コア３０の外側縁３０Ｅは、幅支点部６７よりも幅方向Ｗの外側に位置してよい。吸収コア３０によって速やかに体液が引き込まれなかった場合や吸収コア３０の吸収容量を超えた場合には、体液が肌面シート１０上に残り、幅方向Ｗの外側に伝わる。このとき、防漏壁の起立部の支点となる幅支点部６７に到達することがある。この体液の拡散は、体液が導かれ易い中央中心部Ｓ３１において発生しやすい。中央中心部Ｓ３１における吸収コア３０の外側縁３０Ｅが幅支点部６７よりも幅方向Ｗの外側に位置するため、幅支点部６７まで体液が到達しても、当該到達した体液を吸収コア３０によって吸収でき、横漏れを抑制できる。なお、吸収コア３０の外側縁３０Ｅは、中央中心部Ｓ３１の少なくとも一部において幅支点部６７よりも幅方向Ｗの外側に位置していればよいが、より好適には、中央中心部Ｓ３１の前後方向の全域において幅支点部６７よりも幅方向Ｗの外側に位置してよい。 The outer edge 30E of the absorbent core 30 in the central center portion S31 may be located outside the width fulcrum portion 67 in the width direction W. When the body fluid is not quickly drawn in by the absorbent core 30 or when the absorbent capacity of the absorbent core 30 is exceeded, the body fluid remains on the skin sheet 10 and is transmitted to the outside in the width direction W. At this time, the width fulcrum portion 67, which is a fulcrum of the rising portion of the leakproof wall, may be reached. This diffusion of body fluid is likely to occur in the central central portion S31 where body fluid is easily guided. Since the outer edge 30E of the absorbent core 30 in the central portion S31 is located outside the width fulcrum portion 67 in the width direction W, even if the body fluid reaches the width fulcrum portion 67, the reached body fluid is absorbed by the absorbent core 30. Can be absorbed and side leakage can be suppressed. The outer edge 30E of the absorbent core 30 may be positioned outside the width fulcrum portion 67 in the width direction W in at least a part of the central central portion S31, but more preferably, the central central portion S31. It may be located outside the width fulcrum portion 67 in the width direction W in the entire front-rear direction.

第１括れ部９１は、中央中心部Ｓ３１よりも後側に配置されてよい。スポーツ時等において着用者が比較的に大きな動作をすると、吸収性物品のうち特に後側域Ｓ２に捩れさせようとする力が作用する。このとき、一対の第１括れ部９１によって後側域Ｓ２のねじれを吸収し、当該ねじれが中央中心部Ｓ３１に伝わり難くなる。よって、中央中心部Ｓ３１における***口に対するフィット性の確保と横漏れの抑制効果を両立できる。 The first constricted portion 91 may be arranged on the rear side of the central central portion S31. When the wearer makes a relatively large motion during sports or the like, a force to twist the absorbent article is exerted particularly on the rear region S2. At this time, the pair of first constricted portions 91 absorb the twist in the rear side region S2, and the twist is less likely to be transmitted to the central central portion S31. Therefore, it is possible to achieve both the fit property for the excretion opening in the central central portion S31 and the effect of suppressing side leakage.

また、中央中心部Ｓ３１よりも後側に後圧搾部８３が設けられていてよい。後圧搾部８３は、平面視にてX字状である。当該X字状の基点によって変形できねじれを吸収したり、延出部に沿って力を四方に逃がしたりできる。後圧搾部８３によっても後側域Ｓ２のねじれを吸収し、当該ねじれが中央中心部Ｓ３１に伝わり難くなる。よって、中央中心部Ｓ３１における***口に対するフィット性の確保と横漏れの抑制効果を両立できる。 Further, the rear compression unit 83 may be provided on the rear side of the central central portion S31. The rear squeezing unit 83 has an X shape in a plan view. It can be deformed by the X -shaped base point to absorb a twist, and the force can be released in all directions along the extending portion. The rear squeezing portion 83 also absorbs the twist in the rear side region S2 and makes it difficult for the twist to be transmitted to the central central portion S31. Therefore, it is possible to achieve both the fit property for the excretion opening in the central central portion S31 and the effect of suppressing side leakage.

第１括れ部９１は、中央域Ｓ３の後端縁よりも前側に位置してよい。中央域Ｓ３にかかる幅方向Ｗの内側に向かう力を第１括れ部９１によって分断でき、後側域Ｓ２を臀部に沿わせるように配置できる。加えて、後側域Ｓ２からの力を第１括れ部９１によって分断でき、後側域Ｓ２にかかる力が中央中心部Ｓ３１に係り難くなり、中央中心部Ｓ３１における吸収コア３０の幅方向Ｗの長さを確保し、横漏れを抑制できる。 The first constricted portion 91 may be located on the front side of the rear end edge of the central region S3. The inward force in the width direction W applied to the central region S3 can be divided by the first constricted portion 91, and the rear region S2 can be arranged along the buttocks. In addition, the force from the rear side area S2 can be divided by the first constricted portion 91, and the force applied to the rear side area S2 becomes difficult to be applied to the central central portion S31, and the width direction W of the absorbent core 30 in the central central portion S31 can be reduced. The length can be secured and side leakage can be suppressed.

第２括れ部９２は、中央中心部Ｓ３１よりも前側に配置されてよい。中央中心部Ｓ３１よりも前側に第２括れ部９２が設けられているため、中央中心部Ｓ３１よりも前側に吸収コア３０の変形基点が形成される。一般的に、身体の前後方向Ｌに沿った断面において、***口よりも前側は、後側よりも急な傾斜の曲線状であり、吸収コア３０が身体に沿い難い。しかし、第２括れ部９２によって***口よりも前側に吸収コア３０が変形する基点が形成され、***口よりも前側の領域が身体に沿い易くなる。***口よりも前側の領域において体液の吸収性が高くなり、結果として***口よりも幅方向Ｗの外側に拡散する体液が少なくなり、横漏れを低減できる。また、前側域Ｓ１からの力を第２括れ部９２によって分断でき、前側域Ｓ１にかかる力が中央中心部Ｓ３１に係り難くなり、中央中心部Ｓ３１における吸収コア３０の幅方向Ｗの長さを確保し、横漏れを抑制できる。 The second constricted portion 92 may be arranged on the front side of the central central portion S31. Since the second constricted portion 92 is provided on the front side of the central central portion S31, the deformation base point of the absorbent core 30 is formed on the front side of the central central portion S31. In general, in the cross section along the front-rear direction L of the body, the front side of the excretory opening has a curved shape with a steeper slope than the rear side, and it is difficult for the absorbent core 30 to follow the body. However, the second constricted portion 92 forms a base point on the front side of the excretion opening where the absorbent core 30 is deformed, so that the region on the front side of the excretion opening can easily follow the body. Absorption of body fluid becomes higher in the region on the front side of the excretory opening, and as a result, less body fluid diffuses outside the excretion opening in the width direction W, and lateral leakage can be reduced. Further, the force from the front side region S1 can be divided by the second constricted portion 92, and the force applied to the front side region S1 becomes difficult to be applied to the central central portion S31, and the length in the width direction W of the absorbent core 30 in the central central portion S31 can be reduced. It can be secured and side leakage can be suppressed.

また、中央中心部Ｓ３１よりも前側に前圧搾部８２が設けられていてよい。前圧搾部８２は、平面視にてX字状である。当該X字状の基点によって変形できねじれを吸収したり、延出部に沿って力を四方に逃がしたりできる。前圧搾部８２によっても前側域Ｓ１のねじれを吸収し、当該ねじれが中央中心部Ｓ３１に伝わり難くなる。よって、中央中心部Ｓ３１における***口に対するフィット性の確保と横漏れの抑制効果を両立できる。 Further, the front squeezing portion 82 may be provided on the front side of the central central portion S31. The front squeezing section 82 has an X shape in a plan view. It can be deformed by the X -shaped base point to absorb a twist, and the force can be released in all directions along the extending portion. The front squeezing portion 82 also absorbs the twist in the front side region S1, and it becomes difficult for the twist to be transmitted to the central central portion S31. Therefore, it is possible to achieve both the fit property for the excretion opening in the central central portion S31 and the effect of suppressing side leakage.

以上、上述の実施形態を用いて本発明について詳細に説明したが、当業者にとっては、本発明が本明細書中に説明した実施形態に限定されるものではないということは明らかである。本発明は、特許請求の範囲の記載により定まる本発明の趣旨及び範囲を逸脱することなく修正及び変更態様として実施することができる。したがって、本明細書の記載は、例示説明を目的とするものであり、本発明に対して何ら制限的な意味を有するものではない。 Although the present invention has been described in detail above using the above-described embodiments, it is obvious to those skilled in the art that the present invention is not limited to the embodiments described in the present specification. The present invention can be implemented as modified and changed modes without departing from the spirit and scope of the present invention defined by the description of the claims. Therefore, the description of the present specification is for the purpose of exemplifying explanation, and does not have any restrictive meaning to the present invention.

折曲基点部によって挟まれた領域の***口に対するフィット性を確保しつつ、中央域の横漏れを抑制できる吸収性物品を提供することができる。 It is possible to provide an absorbent article capable of suppressing lateral leakage in the central region while ensuring fitability with respect to the excretory opening in the region sandwiched by the bent base points.

１ ：吸収性物品
３ ：ウイング
１０ ：肌面シート
１１ ：表面シート
１２ ：サイドシート
２０ ：非肌面シート
３０ ：吸収コア
３０Ｅ ：外側縁
３３ ：高坪量部
６１ ：本体接合部
６５ ：防漏壁
６６ ：起立部
６７ ：幅支点部
７１ ：折曲基点部
８０ ：圧搾部
８１ ：折曲圧搾部
８１Ｈ ：高圧搾部
８１Ｌ ：低圧搾部
８２ ：前圧搾部
８３ ：後圧搾部
８５ ：サイド圧搾部
８６ ：中央圧搾部
９１ ：第１括れ部
９２ ：第２括れ部
ＤＭ８１ ：折曲圧搾部の最深部
ＤＭ８５ ：サイド圧搾部の最深部
Ｓ１ ：前側域
Ｓ２ ：後側域
Ｓ３ ：中央域
Ｓ３１ ：中央中心部
Ｓ３２ ：中央端部 1: Absorbent article 3: Wing 10: Skin sheet 11: Surface sheet 12: Side sheet 20: Non-skin sheet 30: Absorbent core 30E: Outer edge 33: High basis weight portion 61: Main body joint portion 65: Leakage proof Wall 66: Standing part 67: Width fulcrum part 71: Bending base point part 80: Compressing part 81: Bending pressing part 81H: High pressure pressing part 81L: Low pressure pressing part 82: Front pressing part 83: Back pressing part 85: Side pressing part Part 86: Central compression part 91: 1st constriction part 92: 2nd constriction part DM81: Deepest part DM85 of a bending compression part: Deepest part S1 of a side compression part: Front side area S2: Rear side area S3: Central area S31: Central central part S32: central end part

Claims (14)

互いに直交する前後方向及び幅方向と、
着用者の***口と対向する中央域と、
前記中央域よりも後側に位置する後側域と、
前記中央域よりも前側に位置する前側域と、
少なくとも前記中央域に配置される吸収コアと、
前記吸収コアよりも肌面側に位置する肌面シートと、を有する吸収性物品であって、
前記中央域には、前記吸収性物品の前記幅方向の中心を挟んで前記前後方向に延びる一対の折曲基点部が設けられており、
前記中央域における前記吸収コアの最大幅は、前記前側域における前記吸収コアの最大幅よりも長く、
前記吸収コアの外側縁は、前記折曲基点部よりも前記幅方向の外側に位置しており、
前記中央域は、前記中央域における前記前後方向の中心を含む中央中心部と、前記中央中心部よりも前記前後方向の外側に位置する中央端部と、を有し、
前記中央中心部における前記吸収コアの外側縁と前記折曲基点部の前記幅方向の距離は、前記中央端部における前記吸収コアの外側縁と前記折曲基点部の前記幅方向の距離よりも長い、吸収性物品。 Front-back direction and width direction orthogonal to each other,
A central area facing the wearer's excretory opening,
A rear side area located behind the central area,
A front side region located in front of the central region,
An absorbent core arranged at least in the central region,
A skin sheet located on the skin side of the absorbent core, and an absorbent article having:
The central region is provided with a pair of bending base points that extend in the front-rear direction with the widthwise center of the absorbent article interposed therebetween.
The maximum width of the absorbent core in the central region is longer than the maximum width of the absorbent core in the front region,
The outer edge of the absorbent core is located outside the bending base point portion in the width direction,
The central region has a central central portion including the center in the front-rear direction in the central region, and a central end portion located outside the central central portion in the front-rear direction,
The distance in the width direction between the outer edge of the absorbent core and the bent base point portion in the central center portion is greater than the distance in the width direction between the outer edge of the absorbent core and the bent base point portion at the central end portion. Long, absorbent article. 前記中央中心部における前記吸収コアの外側縁は、前記中央端部における前記吸収コアの外側縁よりも前記幅方向の外側に位置する、請求項１に記載の吸収性物品。 The absorbent article according to claim 1, wherein an outer edge of the absorbent core in the central central portion is located outside the outer edge of the absorbent core in the central end portion in the width direction. 前記折曲基点部は、少なくとも前記吸収コアを厚さ方向に圧縮した圧搾部によって構成されている、請求項１又は請求項２に記載の吸収性物品。 The absorbent article according to claim 1 or 2, wherein the bent base point portion is configured by at least a compressed portion obtained by compressing the absorbent core in a thickness direction. 前記折曲基点部よりも幅方向の外側の領域には、少なくとも前記吸収コアを厚さ方向に圧縮したサイド圧搾部が設けられており、
前記サイド圧搾部の前記厚さ方向における最深部は、前記圧搾部の前記厚さ方向における最深部よりも肌面側に位置する、請求項３に記載の吸収性物品。 In a region outside the bending base point portion in the width direction, a side squeezing portion obtained by compressing at least the absorbent core in the thickness direction is provided,
The absorbent article according to claim 3, wherein the deepest part in the thickness direction of the side compression part is located closer to the skin surface than the deepest part in the thickness direction of the compression part. 前記一対の折曲基点部に挟まれた領域の前記吸収コアには、前記一対の折曲基点部よりも前記幅方向の外側の領域における前記吸収コアよりも坪量が高い高坪量部が設けられている、請求項１から請求項４のいずれか1項に記載の吸収性物品。 In the absorbent core in the region sandwiched between the pair of folding base points, a high basis weight portion having a higher basis weight than the absorbent core in the region outside the pair of folding base points in the width direction is provided. The absorbent article according to any one of claims 1 to 4, which is provided. 前記一対の折曲基点部に挟まれた領域の少なくとも一部には、少なくとも前記吸収コアを圧縮した中央圧搾部が設けられている、請求項１から請求項５のいずれか１項に記載の吸収性物品。 The central compression part which compressed at least the said absorption core is provided in at least one part of the area|region pinched|interposed by the said pair of bending base point parts, The any one of Claim 1 to 5 of Claim. Absorbent article. 前記吸収性物品を着用物品に接合する接合部が設けられており、
前記接合部は、前記吸収コアと重なる領域に配置された本体接合部を有し、
前記本体接合部は、前記中央中心部における前記吸収コアの外側縁と重ならない領域に配置されている、請求項１から請求項６のいずれか１項に記載の吸収性物品。 A joint portion for joining the absorbent article to a worn article is provided,
The joint portion has a main body joint portion arranged in a region overlapping with the absorbent core,
The absorbent article according to any one of claims 1 to 6, wherein the main body joint portion is arranged in a region that does not overlap an outer edge of the absorbent core in the central center portion. 着用時に着用物品の非肌面側に折り返されるウイングを有し、
前記中央域において、前記吸収コアの外側縁は、前記ウイングよりも前記幅方向の内側に位置する、請求項１から請求項７のいずれか１項に記載の吸収性物品。 Has a wing that is folded back to the non-skin side of the worn article when worn,
The absorbent article according to any one of claims 1 to 7, wherein in the central region, an outer edge of the absorbent core is located inside the width direction with respect to the wing. 前記肌面シートは、表面シートと、前記表面シートの前記幅方向の外側部を覆う一対のサイドシートと、を有し、
前記一対のサイドシートのそれぞれは、一対の防漏壁を構成し、
前記防漏壁は、前記表面シートに対して起立可能である起立部と、前記起立部よりも前記幅方向の外側において前記起立部の起立支点となる幅支点部と、を有し、
前記防漏壁は、前記折曲基点部よりも前記幅方向の外側に位置する、請求項１から請求項８のいずれか１項に記載の吸収性物品。 The skin sheet has a top sheet, and a pair of side sheets that cover an outer portion of the top sheet in the width direction,
Each of the pair of side sheets constitutes a pair of leakproof walls,
The leak-proof wall has an upright portion that can be upright with respect to the surface sheet, and a width fulcrum portion that is an upright fulcrum of the upright portion outside the upright portion in the width direction,
The said leak-proof wall is an absorbent article of any one of Claim 1 to 8 located outside the said bending base point part in the said width direction. 前記中央中心部における前記吸収コアの外側縁は、前記幅支点部よりも前記幅方向の外側に位置する、請求項９に記載の吸収性物品。 The absorbent article according to claim 9, wherein an outer edge of the absorbent core in the central central portion is located outside the width fulcrum portion in the width direction. 前記吸収コアの外側縁は、前記幅方向に間隔を空けて配置され、かつ前記幅方向の内側へ延びる一対の第１括れ部を有し、
前記第１括れ部は、前記中央中心部よりも後側に配置されている、請求項１から請求項１０のいずれか１項に記載の吸収性物品。 The outer edge of the absorbent core has a pair of first constricted portions which are arranged at intervals in the width direction and extend inward in the width direction,
The said 1st constriction part is an absorbent article of any one of Claim 1 to 10 arrange|positioned rather than the said central center part at the back side. 前記第１括れ部は、前記中央域の後端縁よりも前側に位置する、請求項１１に記載の吸収性物品。 The absorbent article according to claim 11, wherein the first constricted portion is located in front of a rear end edge of the central region. 前記吸収コアの外側縁は、前記幅方向に間隔を空けて配置され、かつ前記幅方向の内側へ延びる一対の第２括れ部を有し、
前記第２括れ部は、前記中央中心部よりも前側に配置されている、請求項１から請求項１２のいずれか１項に記載の吸収性物品。 The outer edge of the absorbent core has a pair of second constricted portions which are arranged at intervals in the width direction and extend inward in the width direction,
The absorbent article according to any one of claims 1 to 12, wherein the second constricted portion is arranged on the front side of the central central portion. 前記折曲基点部は、前記中央端部から前記中央中心部に向かって前記幅方向の内側に膨らんだ湾曲形状である、請求項１から請求項１３のいずれか１項に記載の吸収性物品。 The absorbent article according to any one of claims 1 to 13, wherein the bent base point portion has a curved shape that bulges inward in the width direction from the central end portion toward the central center portion. ..
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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010148708A (en) * 2008-12-25 2010-07-08 Uni Charm Corp Thin absorbent article
JP2011000481A (en) * 2010-10-05 2011-01-06 Uni Charm Corp Absorbent article
JP2013154017A (en) * 2012-01-31 2013-08-15 Daio Paper Corp Absorbent article
US20170246045A1 (en) * 2014-10-30 2017-08-31 Kimberly-Clark Worldwide, Inc. Absorbent article with body conforming structure
JP2017176743A (en) * 2016-03-31 2017-10-05 ユニ・チャーム株式会社 Absorbent article

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010148708A (en) * 2008-12-25 2010-07-08 Uni Charm Corp Thin absorbent article
JP2011000481A (en) * 2010-10-05 2011-01-06 Uni Charm Corp Absorbent article
JP2013154017A (en) * 2012-01-31 2013-08-15 Daio Paper Corp Absorbent article
US20170246045A1 (en) * 2014-10-30 2017-08-31 Kimberly-Clark Worldwide, Inc. Absorbent article with body conforming structure
JP2017176743A (en) * 2016-03-31 2017-10-05 ユニ・チャーム株式会社 Absorbent article

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