JP2016209535A5 - - Google Patents

Claims (10)

An absorbent article comprising a top sheet made of a composite sheet, a back sheet, and an absorbent body disposed between the two sheets,
The composite sheet has a first direction along the article longitudinal direction and a second direction along the article width direction, and the laminated first sheet and second sheet are partially joined to form a plurality of joints. The first sheet protrudes in a direction away from the second sheet at a portion other than the joint portion, and forms a convex portion protruding toward the wearer's skin side,
The composite sheet has a central region in which the convex portions are formed in different patterns and a pair of side regions located on both sides of the central region,
The area ratio of the joint in each side region is higher than the area ratio of the joint in the central region,
Wherein the central region and the respective side region, Ri heights of the maximum protrusion is the same der,
The joint part formed in the side region is an absorbent article in which all or part of the joint part is a longitudinally long joint part having a longer length in the article longitudinal direction than any of the joint parts formed in the central region .   A plurality of convex portions having a maximum height in the central region and a convex portion having a maximum height in the side region are formed intermittently in the first direction of the composite sheet, respectively. The absorbent article according to claim 1, wherein the convex portion having the maximum height and the convex portion having the maximum height in the side region are formed at different positions in the first direction.   The composite sheet has a central continuous convex portion extending in the second direction in the central region and formed in multiple rows in the first direction, and a continuous side convex portion extending in the second direction in the side region. The absorbent article according to claim 1, wherein the absorbent article is formed in multiple rows in the first direction, and the central continuous convex portions and the side continuous convex portions are alternately arranged in the first direction.   The boundary region between the central region and the side region has a boundary region where both the central continuous convex portion and the side continuous convex portion exist, and the boundary region includes the central continuous convex portion and the central continuous convex portion. The absorbent article according to claim 3, wherein the side continuous convex portions are alternately arranged in the first direction. Wherein the convex portion in the central region are arranged in a staggered manner, and the side region, the convex portion or the annular connecting protrusion protruding section is engaged in the annular are arranged in a zigzag pattern, to claim 1 The absorbent article as described. The joints in the central region include a plurality of lattice-formed first joint rows each having a plurality of joints arranged in series in a straight line at intervals, and a plurality of joints 3 in a straight line each having a spacing. Are formed in a grid-like arrangement pattern composed of a plurality of grid-formed second joint rows arranged in series with each other, and the convex portions are formed in each of the locations corresponding to the eyes of the grid. Item 6. The absorbent article according to Item 1 or 5 . The absorbent body is composed of an absorbent core and a core wrap sheet that wraps the absorbent core, and the absorbent core is provided with the material for forming the absorbent core on each side of the crotch part of the absorbent article. have not been, has a notch or a through portion in a plan view recessed, the side area of the composite sheet, overlaps the whole or part of the concave cutout portion or through unit, according to claim 1 to 6 The absorbent article according to any one of the above. And a resilient member for contracting the absorbent article to an article longitudinally is a longitudinal direction, the absorbent article according to any one of claims 1-7. A sheet for forming a three-dimensional gather having elastic members fixed to the inner edge is disposed on both sides in the longitudinal direction of the absorbent article, and the inner edge of the sheet is fixed on the side region. The absorbent article according to any one of claims 1 to 8 . Disposable diaper having an abdominal side portion disposed on the stomach side of the wearer when worn, a back side portion disposed on the back side of the wearer when worn, and a crotch portion positioned between the abdominal side portion and the back side portion And
A plurality of elastic members for contracting the disposable diaper in the width direction are disposed at least in the widthwise central portion of the dorsal side portion with a spacing in the longitudinal direction of the disposable diaper,
A plurality of central continuous protrusions are formed in the central region of the composite sheet, each extending in the second direction and spaced in the first direction,
In the elastic member arrangement region where the plurality of elastic members are arranged, a plurality of the central continuous protrusions are formed extending in the second direction, respectively.
The relationship of P1 <P2 <P3 is satisfied, where P1 is a width of the central continuous convex portion, P2 is an interval between the elastic members, and P3 is an interval between central portions of the central continuous convex portion. the absorbent article according to any one of 1-5 and 8-9.