Patent ID: 7766888
Filing Date: 2010-08-03
Classification: A61F

Abstract:
1. A disposable diaper having a back-and-forth direction and a transverse direction orthogonal to each other, said diaper comprising: a chassis having a front waist covering region, a rear waist covering region and a crotch covering region extending in the back-and-forth direction between said waist covering regions, each of said waist covering regions having an inner side and an outer side opposite to said inner side, a body fluid absorbent panel provided on said inner side, in a middle zone of said crotch covering region as viewed in said transverse direction, said body fluid absorbent panel extending in said back-and-forth direction, and leak-barrier cuffs provided along side edges of said diaper which are opposite to each other in said transverse direction, said leak-barrier cuffs extending in said back-and-forth direction, being elastically stretchable and contractible in said back-and-forth direction, and partially covering said body fluid absorbent panel; wherein said body fluid absorbent panel comprises said first and second panel sections respectively have first and second inner surfaces adapted to face said wearer's body, while the diaper is worn, and first and second outer surfaces opposite to said first and second inner surfaces, respectively; said third panel section has a third inner surface facing said first inner surface and a third outer surface opposite to said third inner surface, said first and second panel sections respectively comprise each of said leak-barrier cuffs comprises wherein said second rear end of said second panel section and the vicinity thereof are free from direct attachment to the inner side of said crotch covering region and are pivotable, while the diaper is worn, upward or downward to be spaced from or to come close to said first inner surface of said first panel section following movements of said elastically stretchable and contractible leak-barrier cuffs upward from or downward toward said inner side of said crotch covering region when said cuffs are stretched or contracted, respectively.