Patent ID: 8834440
Filing Date: 2014-09-16
Classification: A61F

Abstract:
1. A pants type disposable diaper having a front-back direction, a transverse direction and an up-down direction which are orthogonal one to another, said disposable diaper comprising: a crotch region; a front waist region extending forward from said crotch region in the front-back direction; a rear waist region extending rearward from said crotch region in the front-back direction, wherein said front waist region, said rear waist region and the crotch region together define a waist-opening and a pair of leg-openings, a bodily fluid-absorbent structure lying in said crotch region and including an innermost sheet lying on a skin-facing side of said inner sheet and having a region adapted to be spaced upward from said inner sheet in a thickness direction of said core to prevent said inner sheet from coming into direct contact with a wearer's skin in use, wherein said innermost sheet is joined to at least one of said inner sheet and said outer sheet in end regions thereof opposed to each other in said front-back direction and lying on a front-back center line extending in said front-back direction so as to bisect a dimension of said diaper in said transverse direction, said innermost sheet is folded inwardly to face itself along a transverse center line extending in said transverse direction so as to bisect a dimension of said diaper in said front-back direction to form a tuck extending downward toward said inner sheet from said region adapted to be spaced upward from said inner sheet, and said innermost sheet is elastically stretchable and contractible in the transverse direction in said front and rear waist regions, but neither stretchable nor contractible elastically as well as non-elastically at least in a section defined along the transverse center line in said crotch region.