Kenji Nakaoka, Tokushima, Japan; and Yuki Takahashi, Tokushima, Japan.
Assigned to Livedo Corporation, Ehime, Japan.

Filed: 6/25/19
Issued: 8/20/24

A disposable diaper comprising: an exterior member that has a front body part, a rear body part and a crotch part positioned therebetween and is formed into a pants shape having a waist opening and a pair of leg openings by joining the front body part and the rear body part; and an absorbent body that is provided at least on the crotch part of the exterior member and includes a top sheet, a back sheet and an absorber provided therebetween; wherein: the exterior member includes an inner sheet and an outer sheet; a front leg elastic member extending across the crotch part and along a front side of an edge of the leg opening and a rear leg elastic member extending across the crotch part and along a rear side of the edge of the leg opening are provided between the inner sheet and the outer sheet; the absorbent body is adhered to a skin-facing side of the exterior member at a first adhering region; the inner sheet and the outer sheet are adhered to each other at a second adhering region, the second adhering region includes a second middle adhering region provided at the crotch part, a second front adhering region located anterior to the second middle adhering region and a second rear adhering region located posterior to the second middle adhering region, and the front leg elastic member and the rear leg elastic member are disposed so as to extend across the crotch part in the second middle adhering region; the second middle adhering region is provided so that at least a part thereof overlaps with the first adhering region and is provided continuously from one side edge to the other side edge of the absorbent body in the width direction; and the second front adhering region is provided so as to satisfy the following requirement A and/or the second rear adhering region is provided so as to satisfy the following requirement B, requirement A: the second front adhering region includes a second right front adhering region provided on one side in the width direction so as not to overlap with the first adhering region, a second left front adhering region provided on the other side in the width direction so as not to overlap with the first adhering region, and a second central front adhering region provided therebetween so as to overlap with the first adhering region; and second front non-adhering regions in which the inner sheet and the outer sheet are not adhered to each other are formed between the second right front adhering region and the second central front adhering region and between the second left front adhering region and the second central front adhering region so as to overlap with the absorbent body, requirement B: the second rear adhering region includes a second right rear adhering region provided on one side in the width direction so as not to overlap with the first adhering region, a second left rear adhering region provided on the other side in the width direction so as not to overlap with the first adhering region, and a second central rear adhering region provided therebetween so as to overlap with the first adhering region; and second rear non-adhering regions in which the inner sheet and the outer sheet are not adhered to each other are formed between the second right rear adhering region and the second central rear adhering region and between the second left rear adhering region and the second central rear adhering region so as to overlap with the absorbent body.