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:
Aug. 16, 2011
Filed:
Jul. 07, 2004
Applicants:
Tomoyuki Horiguchi, Otsu, JP;
Kyoko Yokoi, Inukami-gun, JP;
Kentaro Kajiwara, Otsu, JP;
Inventors:
Assignee:
Toray Industries, Inc., , JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G11B 9/00 (2006.01); D04H 1/46 (2006.01); D04H 1/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
To provide a nonwoven fabric containing ultra-fine fibers suitable as a leather-like sheet, and also a leather-like sheet with an excellent compactness. A nonwoven fabric containing ultra-fine fibers, characterized in that it contains staple fibers with a fiber fineness of 0.0001 to 0.5 decitex and a fiber length of 10 cm or less, and has a weight per unit area of 100 to 550 g/m, an apparent density of 0.280 to 0.700 g/cm, a tensile strength of 70 N/cm or more, and a tear strength of 3 to 50 N.