Patent ID: 8915900

Claim:
A disposable diaper comprising: a chassis having a longitudinal direction, a transverse direction, a side facing the wearer's skin and a side facing away from the wearer's skin and configurationally comprising a front waist region, a rear waist region, a crotch region extending between said front and rear waist regions, a waist-opening and a pair of leg-openings, a liquid-absorbent structure provided on said side facing the wearer's skin of said chassis and extending across said crotch region further into said front and rear waist regions, said liquid-absorbent structure containing therein a liquid-absorbent core, and, each of said front and rear waist regions comprising an upper elasticized region extending in the transverse direction along a periphery of said waist-opening, a pair of lower elasticized regions spaced apart from each other in the transverse direction and disposed in opposite lateral regions of each waist region, a non-elasticized region disposed between said pair of lower elasticized regions and opposed to a central zone of said liquid-absorbent structure, and an intermediate elasticized region extending between the upper elasticized region and the lower elasticized regions and outside of longitudinally opposite ends of the liquid-absorbent structure, wherein in at least in the front waist region of the front and rear waist regions a tensile stress of the intermediate elasticized region is lower than a tensile stress of the upper elasticized region.