JP2016116847A5 - - Google Patents

Claims (9)

An absorbent article comprising a top sheet, a back sheet and an absorbent body disposed between the two sheets,
The top sheet is composed of a composite sheet having a first direction and a second direction perpendicular thereto, and the first direction coincides with the longitudinal direction of the article along the wearer's front-rear direction when worn,
In the composite sheet, the laminated first sheet and second sheet are partially joined by embossing to form a plurality of joints, and the first sheet is separated from the second sheet at a portion other than the joints. Projecting in the direction, forming a plurality of convex portions projecting toward the wearer's skin side,
The composite sheet has a non-embossed region extending in the second direction and continuously extending in the second direction, and extending in the second direction, and the joints are formed in a regular pattern. Embossed areas formed alternately in the first direction,
The two embossed regions sandwiching the individual non-embossed regions are respectively convex portions formed by connecting the midpoints of the end portions of the joints closest to the non-embossed regions in the respective parts in the second direction by straight lines. The shape of the contour-forming line is a polygonal line having a distal point and a proximal point having different distances from the non-embossed region in the second direction, and the convex portion is formed in the non-embossed region in the second direction. A continuous convex portion that extends continuously is formed, the continuous convex portion has a portion whose width is regularly narrowed in the second direction,
None of the joints constituting the embossed region intersects with other joints constituting the embossed region for any of the tangent lines extending in the first direction and the tangent lines extending in the second direction ,
The continuous convex part is formed by connecting the first convex part and the second convex part to each other, and the first convex part and the second convex part are both elliptical in shape in plan view, The first convex part is an absorbent article in which the major axis of the ellipse coincides with the first direction, and the second convex part is the major axis of the ellipse coincides with the second direction .   The absorptive article according to claim 1 which has a discontinuous embossing field in-projection part surrounded by an annular crevice in the embossing field.   The absorbent article according to claim 1 or 2, wherein the non-embossed region has a length in a first direction of 20% or more and 100% or less of a length in the same direction of the embossed region.   The shape of the said junction part which comprises the said embossing area | region is an absorbent article of any one of Claims 1-3 which is square shape or rectangular shape in planar view.   In the embossed region, a first joint row in which the first joint portions are arranged in a row along the second direction Y, and the second joint portion is spaced in the second direction Y. The second joint row arranged in a row is formed, and the second joint row is formed on both sides of the first joint row in the first direction. Absorbent article as described in 1.   The said embossed area | region WHEREIN: The joining part group which has the structure by which one 1st junction part was enclosed by the 4th 2nd junction part is formed in multiple numbers in the state serially connected to the 2nd direction. Absorbent article.   In the first joint row, the joint portion ratio, which is the ratio of the total length of the first joint portions in the second direction Y to the length of the first joint row in the second direction Y, is 10% or more and 80% or less. The absorptive article according to claim 5 or 6 which exists.   The absorbent article according to any one of claims 1 to 7, wherein at least one of a groove part along an article longitudinal direction and a groove part along an article width direction is formed on the absorbent body. 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 shrinking the disposable diaper in the width direction are disposed at least in the center in the width direction of the dorsal side portion at intervals in the longitudinal direction of the disposable diaper,
In the elastic member arrangement region where the plurality of elastic members are arranged, a plurality of the 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 continuous convex portion, P2 is an interval between the elastic members, and P3 is an interval between central portions of the continuous convex portions. The absorbent article according to any one of the above.