Disposable diaper

Details Disposable diaper Disposable diaper

Filed on

2006-12-26

Date issued

2006-12-26

Examiner

Stephens, Jacqueline F. (Department: 3761)

Patent Class

Surgery

SubClass

Means and methods for collecting body fluids or waste material

SubSubClass

Absorbent pad for external or internal application and...

Other Related Categories

C604S380000, C604S383000, C604S385240, C604S385010, C604S385280

Type

Reexamination Certificate

Status

active

Patent number

07153295

Description

ABSTRACT:
A disposable diaper includes a top sheet, a back sheet, and a liquid absorbent core disposed therebetween. The diaper has openings, which pass through the top sheet and the core, and are formed in at least the crotch region of the diaper. The back sheet has a free portion which is disposed beneath the core and extendible downwards in its thickness direction. The back sheet further has a fixed edge portion which is outside an outer periphery of the free portion and fixed to the top sheet. A plurality of longitudinally extending contractible elastic members are disposed at least in the free portion and the fixed edge portion. A plurality of transversely extending gathers are formed under the contraction of the elastic members.

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Patent Abstracts of Japan, Publication No. 08196565, Aug. 6, 1996.

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