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:
Nov. 15, 2016
Filed:
Apr. 20, 2012
Keisuke Maejima, Kanagawa, JP;
Kazushi Kimura, Kanagawa, JP;
Satoshi Mihara, Kanagawa, JP;
Yayoi Akahori, Kanagawa, JP;
Katsunori Shimizu, Kanagawa, JP;
Keisuke Maejima, Kanagawa, JP;
Kazushi Kimura, Kanagawa, JP;
Satoshi Mihara, Kanagawa, JP;
Yayoi Akahori, Kanagawa, JP;
Katsunori Shimizu, Kanagawa, JP;
The Yokohama Rubber Co., Ltd., Tokyo, JP;
Abstract
An object of the present invention is to provide a tire rubber composition capable of producing a studless tire that has excellent performance on ice and wear resistance, and to provide a studless tire using the composition. The tire rubber composition of the present invention is composed of 100 parts by mass of a diene type rubber (A), from 30 to 100 parts by mass of a carbon black and/or a white filler (B), from 0.3 to 30 parts by mass of a cross-linkable oligomer or polymer (C) that is not phase-soluble with the diene type rubber (A); and from 0.1 to 12 parts by mass of three dimensionally crosslinked fine particles (D) of 1 to 200 μm average particle diameter.