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:
Jun. 30, 2009

Filed:

May. 30, 2007
Applicants:

Yuki Noda, Kagawa, JP;

Hideyuki Ishikawa, Kagawa, JP;

Satoshi Mizutani, Kagawa, JP;

Akihiro Kimura, Kagawa, JP;

Inventors:

Yuki Noda, Kagawa, JP;

Hideyuki Ishikawa, Kagawa, JP;

Satoshi Mizutani, Kagawa, JP;

Akihiro Kimura, Kagawa, JP;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B32B 3/10 (2006.01); B32B 3/00 (2006.01); B32B 5/06 (2006.01); B32B 5/14 (2006.01); B32B 5/26 (2006.01); B32B 7/08 (2006.01); D04H 1/00 (2006.01); D04H 3/00 (2006.01); D04H 5/00 (2006.01); D04H 13/00 (2006.01);
U.S. Cl.
CPC ...
Abstract

Nonwoven fabric including concaves and convexes, and at least a fiber basis weight which is adjusted, and its manufacturing method are provided. The nonwoven fabricis formed into a substantially sheet-like shape of predetermined thickness and its fiber basis weight is adjusted by directing a fluid, mainly consisting of gas, to a fiber web, the fibers of which have a high degree of freedom to move. The nonwoven fabricincludes a plurality of groove portions, which are low basis weight portions, and a plurality of convex portions, which are high basis weight portions, that are continuously formed along the groove portionsand are adjacent to each of the plurality of groove portions. The Fiber basis weights of the plurality of groove portionsare less than those of the plurality of convex portions


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