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. 12, 1992
Filed:
Nov. 02, 1989
Applicant:
Inventors:
Assignee:
Bridgestone Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B60C / ; B60C / ;
U.S. Cl.
CPC ...
152527 ; 152526 ; 152536 ;
Abstract
A heavy duty pneumatic radial tire running on rough road at high speed and having plural belt layers of steel cords comprises at least a pair of auxiliary protective strips superimposed on the belt layer so as to cover both end portions of the belt layer and protrude outward from the end portion, wherein cords of the auxiliary protective strips are inclined at an angle of 25.degree.-25.degree. with respect to the circumferential direction of the tire and are the same direction as in the cord direction of the belt layer supporting the auxiliary protective strips.