Unicharm Corporation

Rumiko Shiraishi

Hironao Minato

Yasushi Sayama

Naomi Suzuki

Yasushi Inoue

A disposable diaper that includes a front waist region, a rear waist region, and a crotch region extending therebetween. An end portion of the rear waist region is provided with an elastic member associated with a waist-opening. The diaper has transversely opposite side edges and upper and lower edges. A plurality of slits extend through the diaper in its thickness direction and in a longitudinal direction so as to be spaced one from another by a predetermined dimension in a waist-surrounding direction between the side edges. The slits are also spaced one from another by a predetermined dimension in the longitudinal direction between a vicinity of the upper edge and a vicinity of the lower edge.

Disposable diaper

A disposable diaper is provided with a pair of side flaps lying transversely outside the associated side edge of an absorbent core, and the side flaps is formed by a first side sheet connected to the associated side edge portion of a topsheet lying in the vicinity of the associated side edge of the core and extending longitudinally of the diaper and a second side sheet connected to the associated side edge portion of the topsheet and the associated side edge portion of a backsheet both lying in the vicinity of the associated side edge of the core wherein both the first and second side sheets have a water pressure resistance of 100&tilde;1500 mm and a breathing resistance of 0.03&tilde;0.8 Kpa&middot;s/m.

Growing community of inventors

Kagawa-ken, Japan

Rumiko Shiraishi