Disposable wearing article

Details Disposable wearing article Disposable wearing article

1998-04-21

2001-10-23

Weiss, John G. (Department: 3761)

Surgery

Means and methods for collecting body fluids or waste material

Absorbent pad for external or internal application and...

C604S385010, C604S385240, C604S385260, C604S385270, C604S385290

Reexamination Certificate

active

06306122

ABSTRACT:

FIELD OF THE INVENTION
This invention relates to a disposable wearing article such as a disposable diaper, a sanitary napkin, or the like which is not only excellent in outer appearance but also in fitness.
DESCRIPTION OF THE RELATED ART
As a disposable diaper, there has heretofore been widely used a diaper of the type comprising a liquid-permeable topsheet, a liquid-impermeable backsheet, and an absorbent member interposed therebetween, a waist portion elastic member being arranged at a waist portion which is, when in wear, located at its wearer's waist area, a leg portion elastic member being arranged at each leg portion which is, when in wear, located circumferentially around its wearer's leg, and a waist-surrounding elastic member arranged at a waist-surrounding portion which is, when in wear, located at the wearer's waist surrounding area.
In such a disposable diaper, the waist-surrounding elastic member is a member, which is employed in order to enhance fitness to the area circumferentially around the wear's waist, to thereby enhance fitness when in wear. Usually, the waistsurrounding elastic member is bonded to the backsheet such that gathers are formed on an outer surface of the diaper.
For this reason, in the conventional disposable diaper having the waistsurrounding elastic member, it gives rise to such a problem that the gathers deteriorate the outer appearance of the diaper.
SUMMARY OF THE INVENTION
It is, therefore, an object of the present invention to provide a disposable wearing article which is excellent in fitness when in wear and also excellent in outer appearance.
As a result of extensive search and development carried out by the present inventors, they found that the above-mentioned object could be achieved by a disposable wearing article in which a waist-surrounding elastic member is arranged without being bonded to the outermost layer sheet.
The present invention has been accomplished based on the above-mentioned finding, and it provides a disposable wearing article including a liquid-permeable topsheet, an outermost layer sheet located on an outer surface of the disposable wearing article, and a liquid retentive absorbent member, a waist-surrounding elastic member being arranged at a waist-surrounding portion, wherein the waist-surrounding elastic member is fixed to members other than the outermost layer sheet in an expanded state to thereby form gathers inwardly of the outermost sheet, a non-bonding area is provided between the waist-surrounding elastic member and the outermost layer sheet, and no gathers are formed on an outer surface of the waist-surrounding portion.
A disposable wearing article of the present invention is excellent in fitness when in wear, and also excellent in outer appearance.


REFERENCES:
patent: H1420 (1995-02-01), Richardson
patent: 5366453 (1994-11-01), Zehner et al.
patent: 5916206 (1999-06-01), Otsubo et al.
patent: 0623330A (1994-09-01), None
patent: 93/21877A (1993-11-01), None
Patent Abstract of Japan, vol. 015, No. 512 (C-0898), Oct. 3, 1991, DISPOSABLE WEARING ARTICLE.

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