Patent ID: 7520874
Filing Date: 2009-04-21
Classification: A61F

Abstract:
1. A disposable diaper comprising a fluid-permeable topsheet, a fluid-impermeable backsheet and a fluid-retentive absorbent core interposed between said topsheet and said backsheet, said disposable diaper having a stomach side, a back side and a crotch region positioned between said stomach side and said back side, leg portion elastic members being disposed in their stretched states at a pair of leg portions disposed around the wearer's leg areas, wherein lengthwise opposite end portions of said leg portion elastic members are located at widthwise outside areas of side edges of said absorbent core, respectively and central portions of said leg portion elastic members are curved in such a manner as to pass a widthwise inner direction of the side edges of said absorbent core at a crotch region of the diaper, said absorbent core at said crotch region of said diaper being divided into a pair of lateral absorbent cores located at widthwise outside areas of said leg portion elastic members, respectively, and a central absorbent core located between said pair of lateral absorbent cores by said pair of leg portion elastic members, said lateral absorbent cores are when in wear, being bent towards said backsheet and elastic members disposed below said lateral absorbent cores along the longitudinal direction of said diaper, wherein the elastic members are disposed at the diaper outer surface side or said lateral absorbent cores along a longitudinal direction of said lateral absorbent cores, and said elastic members are lower in elongation stress than said leg portion elastic members.