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.
Patent No.:
Date of Patent:
Sep. 08, 2015
Filed:
Feb. 25, 2011
Applicants:
Hirotomo Mukai, Kagawa, JP;
Takaya Arayama, Kagawa, JP;
Inventors:
Hirotomo Mukai, Kagawa, JP;
Takaya Arayama, Kagawa, JP;
Assignee:
UNICHARM CORPORATION, Ehime, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61F 13/20 (2006.01); A61F 13/535 (2006.01); A61F 13/534 (2006.01); A61F 13/49 (2006.01); A61F 13/47 (2006.01);
U.S. Cl.
CPC ...
A61F 13/535 (2013.01); A61F 13/4704 (2013.01); A61F 13/49001 (2013.01); A61F 13/53436 (2013.01);
Abstract
A disposable diaper has a central elastic member formed along the lengthwise direction L so that the absorber can be curved to be convex in the inward direction, and a pair of side slits formed along the lengthwise direction L so that the absorber can be curved to be convex in the outward direction. A thickness of the absorber at the central portion and at the side edge portions are smaller than a thickness of the absorber at the middle portions.