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. 06, 2001
Filed:
Jul. 11, 1997
Nobuyuki Okamura, Tokyo, JP;
Eiji Nakamura, Tokyo, JP;
Bridgestone Corporation, Tokyo, JP;
Abstract
The present invention provides a rubber composition for a tire tread which comprises 100 parts by weight of a rubber component comprising 50 parts by weight or more of SBR and the remaining amount of a synthetic rubber and/or natural rubber, 25 parts by weight or more of a softener, and 0.5 to 5.0 parts by weight of a vulcanization accelerator, such as bis(4-methylbenzothiazolyl-2)-disulfide, bis(5-methylbenzothiazolyl-2)-disulfide, mercapto-4-methylbenzothiazole, and mercapto-5-methylbenzothiazole, and a pneumatic tire produced by using this rubber composition. A tire having excellent controllability and ride quality throughout tire life can be provided.