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:
May. 31, 1988
Filed:
Apr. 10, 1985
Eiji Takiguchi, Higashimurayama, JP;
Kazuaki Yuto, Higashimurayama, JP;
Toru Oniki, Higashikurume, JP;
Bridgestone Corporation, Tokyo, JP;
Abstract
Disclosed herein is a low fuel consumption pneumatic tire with all weather running performances, which tire uses as a tread a vulcanizable rubber composition obtained by adding 30-80% by weight of carbon black having an iodine adsorption value of not less than 70 mg/g and a dibutylphthalate (DBP) adsorption of not less than 90 ml/100 g, and a low temperature plasticizing ester and/or naphthenic or paraffinic solftener in an amount 2 to 50% by weight relative to said carbon black into 100 parts by weight of a rubber component composed of 100 to 25 parts by weight of at least one kind of a first diene rubber containing 0 to 30% of styrene and 25 to 95% of vinyl bonds in the butadiene unit and 0 to 75 parts by weight of at least one kind of a second diene rubber which is different in kind from the above first diene rubber.