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:
Mar. 11, 2014
Filed:
Sep. 18, 2008
Applicant:
Naohiko Kikuchi, Kobe, JP;
Inventor:
Naohiko Kikuchi, Kobe, JP;
Assignee:
Sumitomo Rubber Industries, Ltd., Kobe, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B60C 1/00 (2006.01); C08K 3/22 (2006.01); C08K 3/40 (2006.01);
U.S. Cl.
CPC ...
Abstract
The present invention provides a rubber composition for a tire containing 1 to 20 parts by weight of nonmetal fibers having an average fiber diameter of 15 to 100 μm and 1 to 30 parts by weight of fillers having at least 2 protrusions in which the length of the protrusion is 0.5 to 3.1-fold of the average fiber diameter of the nonmetal fibers, based on 100 parts by weight of a diene rubber and a pneumatic tire using thereof for a purpose of improving frictional performance on ice.