The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Jul. 12, 2016

Filed:

Feb. 25, 2013
Applicant:

Unicharm Corporation, Shikokuchuo-shi, Ehime, JP;

Inventors:

Yuki Noda, Kanonji, JP;

Tatsuya Tamura, Kanonji, JP;

Takashi Nomoto, Kanonji, JP;

Takashi Onozuka, Kanonji, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61F 13/15 (2006.01); A61F 13/512 (2006.01); A61F 13/472 (2006.01); A61F 13/511 (2006.01); A61F 13/533 (2006.01);
U.S. Cl.
CPC ...
A61F 13/5126 (2013.01); A61F 13/472 (2013.01); A61F 13/47218 (2013.01); A61F 13/51108 (2013.01); A61F 13/51113 (2013.01); A61F 13/533 (2013.01); A61F 2013/5128 (2013.01); A61F 2013/51186 (2013.01);
Abstract

The present invention addresses the problem of providing a novel absorbent article that prevents excessive compression of an absorbent body caused by deformation of the absorbent article, and rewetting associated with said compression. In order to solve such a problem, a sanitary napkin () is provided with a liquid-permeable top sheet (), a liquid-impermeable back sheet (), and an absorbent body () disposed between the top sheet () and the back sheet (), wherein: an extensible area () having an extensible bellows-like section (), and a flexible area () surrounding the extensible area () are formed in a waste supply area () of the top sheet ().


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