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:
Dec. 16, 1986
Filed:
Feb. 13, 1985
Applicant:
Inventors:
Assignee:
Bridgestone Tire Company Limited, Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
B60C / ; B29C / ;
U.S. Cl.
CPC ...
152556 ; 152451 ; 1561101 ; 264501 ; 264234 ; 264345 ; 264348 ; 2641761 ; 425 / ;
Abstract
A pneumatic radial tire having a high durability is disclosed, which comprises a carcass composed of at least one ply containing polyester fiber cords embedded in rubber. This polyester fiber cord has particular fiber properties and cord properties. Among the cord properties, the elongation under a tension of 2 g/D of the cord after the specific post-cure inflation treatment is not more than 4.5% and the sum of the elongation and heat shrinkage is not more than 8.0%.