Patent ID: 7654990

Claim:
A disposable diaper comprising: a chassis having a length direction, a width direction orthogonal to said length direction, front and rear sides, a front waist region defined on said front side, a rear waist region defined on said rear side and a crotch region interposed in the length direction between said two waist regions, said regions respectively comprising an inner sheet adapted to come in contact with a wearer's skin and an outer sheet lying on the opposite side of said inner sheet and adapted to face away from the wearer; an absorbent core interposed between said inner and outer sheets and bonded to said inner sheet; a spacer sheet above said inner sheet and adapted to prevent feces discharged onto said inner sheet from coming in contact with said wearer's skin; wherein said spacer sheet comprises: a front end zone extending in the length direction toward said front side; a rear end zone extending in the length direction toward said rear side; an intermediate zone extending between said front and rear end zones, each of said zones having opposite side edges extending in said length direction at least one of said front and rear zones being at least partially fixed directly to said inner sheet while at least a middle spot of said intermediate zone being free of direct attachment to said inner sheet; an opening provided in the middle spot of said intermediate zone, and adapted to guide said discharged feces therethrough toward said inner sheet, said intermediate zone around the opening being adapted to be put in contact with a vicinity of said wearer's anus, and elastic members attached in a stretched state to said spacer sheet in a vicinity of side edges of said opening to extend in the length direction toward said front side so as to converge toward a center line extending in the length direction and bisecting a width of said diaper; wherein the spacer sheet is free of elastic members along a rear edge of the opening.