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. 14, 1995
Filed:
Dec. 30, 1992
Yoko Nakada, Hyogo, JP;
Sumitomo Rubber Industries, Ltd., Hyogo, JP;
Abstract
A pneumatic tire having a tread rubber layer disposed radially outside a carcass, a sidewall rubber layer disposed axially outside the carcass in each sidewall portion, the sidewall rubber layer softer than the tread rubber layer, a protective rubber layer disposed on the outer surface of the sidewall rubber layer, the protective rubber layer made of a fiber-reinforced rubber composition contains 10 to 50 parts by weight of short fibrous reinforcements, 20 to 70 parts by weight of carbon black, and 100 parts by weight of rubber base consisting of 20 to 100 parts by weight of natural rubber or isoprene rubber and 80 to 0 parts by weight of butadiene rubber, the short fibrous reinforcements oriented in the tire circumferential direction.