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. 30, 1999
Filed:
Aug. 07, 1997
Yukishige Adachi, Toyota, JP;
Sumitomo Rubber Industries, Ltd., Hyogo-ken, JP;
Abstract
A pneumatic tire comprises a carcass extending between bead portions through a tread portion and a pair of sidewall portions, and a sidewall rubber disposed axially outside the carcass in each sidewall portion, the sidewall rubber comprising an axially outer layer and and an axially inner layer, the outer layer disposed along the outside of the tire and containing powder rubber, the inner layer disposed along the axially inside of the outer layer and containing no powder rubber, the thickness of the outer layer being 3 to 50% of the total thickness of the sidewall rubber, and the outer layer composed of 100 parts by weight of a base rubber compound and 5 to 20 parts by weight of the powder rubber. The powder rubber has a maximum particle diameter of 30 to 80 meshes.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile