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:
Feb. 19, 2013
Filed:
Apr. 25, 2007
Applicants:
Naohiko Kikuchi, Kobe, JP;
Kazuo Hochi, Kobe, JP;
Inventors:
Naohiko Kikuchi, Kobe, JP;
Kazuo Hochi, Kobe, JP;
Assignee:
Sumitomo Rubber Industries, Ltd., Kobe, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B60C 1/00 (2006.01); B60C 17/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
The present invention provides a run-flat tire that can improve both of ride quality and run-flat performance. The run-flat tire of the present invention comprises a sidewall-reinforcing layer prepared by using a rubber composition comprising non-metallic short fibers having an average fiber diameter of 1 to 100 μm and an average fiber length of 0.1 to 20 mm in an amount of 5 to 120 parts by weight on the basis of 100 parts by weight of a diene rubber, the non-metallic short fibers being oriented in the circumferential direction of the tire.