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:
Jun. 14, 1983
Filed:
Oct. 05, 1981
Applicant:
Inventors:
Kazuo Obata, Higashimurayama, JP;
Yutaka Yamaguchi, Higashimurayama, JP;
Kojirou Yamaguchi, Higashimurayama, JP;
Akio Sato, Higashimurayama, JP;
Assignee:
Bridgestone Tire Company Limited, Tokyo, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B60C / ; B60C / ;
U.S. Cl.
CPC ...
1523 / ; 1523 / ; 1523 / ; 1523 / ; 1523 / ;
Abstract
A pneumatic radial tire having a sandwiched structure formed by embracing side rubber between rubber filler and rubber chafer in the bead portion is disclosed. The tire has a high stiffness in the bead portion and has very excellent durable life.