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. 27, 2007
Filed:
Sep. 27, 2002
Applicants:
Akira Minagoshi, Kobe, JP;
Mamoru Uchida, Kobe, JP;
Takeshi Ota, Kobe, JP;
Inventors:
Assignee:
Sumitomo Rubber Industries, Ltd., Kobe, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B60C 1/00 (2006.01); B60C 11/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A rubber composition which can improve performance on icy and snowy road sufficiently and a tire using the same. The rubber composition comprises 2 to 30 parts by weight of staple fibers having an average fiber diameter of 10 to 100 μm and an average fiber length of 0.01 to 4 mm, and 1 to 10 parts by weight of particles having a Moh's hardness of at least 5 and an average particle size of at most 500 μm based on 100 parts by weight of a diene rubber. The tire of the present invention is prepared by using the rubber composition for tread. Examples of the particle are pumice, quarts, emery and the like.