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US 6,632,206 B1Granted
Disposable diaper
AssigneeUni-Charm Corporation
InventorsKazuaki Onishi, Norihiko Ishikawa, Yoko Yabe
Life of this patent
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Abstract
A disposable diaper is locally formed with a protuberance in a transversely middle zone of the diaper between urethral meatus and anus of a diaper wearer, and the diaper thus formed is capable of preventing loose passage discharged thereon form flowing toward the front side of the wearer.
Claims7
A disposable diaper having a transverse direction and a longitudinal direction comprising:
- a liquid-permeable topsheet;
- a liquid-impervious backsheet;
- a liquid-absorbent core disposed between said top sheet and backsheet;
- and
- said diaper being locally formed on an inner surface thereof with a protuberance located exclusively in a transversely middle zone of said diaper, which transversely middle zone is spaced inwardly from both transversely opposite edges and longitudinally opposite ends of said absorbent core, so that the protuberance is positioned between a urethral meatus and anus of a wearer of the diaper,
- said protuberance comprising a liquid-absorbent material and a liquid-permeable sheet covering an upper surface of said liquid-absorbent material,
- said protuberance integrally extending along the inner surface of said diaper and having a transverse dimension that extends in the transverse direction of the disposable diaper and a longitudinal dimension that extends in the longitudinal direction of the diaper, said transverse dimension being greater than said longitudinal dimension.
4 more elements
Dependencies are inferred from the claim text.