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:
Oct. 04, 2016
Filed:
Mar. 21, 2012
Applicant:
Tsutomu Usuki, Shizuoka, JP;
Inventor:
Tsutomu Usuki, Shizuoka, JP;
Assignee:
NIPPON FILCON CO., LTD., Inagi-shi, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
D03D 3/04 (2006.01); D21F 1/10 (2006.01); D03D 11/00 (2006.01); D04H 13/00 (2006.01); D21F 1/00 (2006.01); D03D 1/00 (2006.01); D04H 1/70 (2012.01);
U.S. Cl.
CPC ...
D04H 13/00 (2013.01); D03D 1/0094 (2013.01); D03D 11/00 (2013.01); D04H 1/70 (2013.01); D21F 1/0036 (2013.01);
Abstract
A multi-layer nonwoven fabric at least constituted by a first warp, a second warp, an upper surface side weft, and a lower surface side weft, the first warp is woven with the wefts of all layers from the upper surface side weft to the lower surface side weft, the second warp is only woven with the upper surface side weft, the first warp constitutes a pair to form one upper surface side warp structure on an upper surface side layer, whereby a complete structure of a plain weave design is formed by the first and second warps.