Patent ID: 6056732
Filing Date: 2000-05-02
Classification: A61F

Abstract:
A well-fitting disposable diaper having a front waist region to be applied to the abdominal area of a wearer, a crotch region to be applied to the crotch thereof and a back waist region to be applied to the dorsal area thereof, arranged in a longitudinal direction of the diaper in this order, comprising;a liquid non-permeable back sheet,a liquid permeable top sheet,an absorbent core interposed between the back sheet and the top sheet and extended from the front waist region, the crotch region to the back waist region, first and second thin parts where no absorbent core is present or where the thickness of the absorbent core is reduced being formed separately in a linearly elongating fashion in the longitudinal direction, the first thin parts having intervals therebetween in a width direction perpendicular to the longitudinal direction and extending from the crotch region to the front waist region and to the back waist region, the second thin parts having intervals therebetween in the width direction and extending from the front waist region to adjacent the crotch region, anda plurality of elastic members elongating in the width direction transverse to the longitudinal direction, the elastic members being arranged in a region, which is positioned on a side of the front waist region to a center of the crotch region and includes a border between the front waist region and the crotch region, end portions of the first thin parts in the front waist region and end portions of the second thin parts adjacent the crotch region, thereby forming a front gathering, whereinthe first thin part and the second thin parts alternate with each other and the first thin parts are elongated between the second thin parts,the elastic members are arranged between the absorbent core and the back sheet,the elastic members, the top sheet and the back sheet are bonded together at the thin parts, andthe elastic members are arranged in such a curved fashion to protrude at the center thereof in the width direction.