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. 04, 1986
Filed:
May. 03, 1984
Applicant:
Inventor:
Eiji Takiguchi, Higashimurayama, JP;
Assignee:
Bridgestone Corporation, Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
B60C / ; B60C / ;
U.S. Cl.
CPC ...
1522 / ; 152450 ; 152525 ;
Abstract
Disclosed herein is a pneumatic tire suitable for running on snow and ice roads, a tread portion of which consists of a rubber composition comprising 0-60 parts by weight of a petroleum softener and 5--35 parts by weight of a low-temperature ester type plasticizer based on 100 parts by weight of a rubber blend consisting of 30-95 parts by weight of at least one rubber selected from the group consisting of natural rubber, polyisoprene rubber and styrene-butadiene copolymer rubber, 0-50 parts by weight of polybutadiene rubber, and 5-30 parts by weight of butyl rubber or halogenated butyl rubber.