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:
Apr. 11, 1995
Filed:
Oct. 14, 1993
Tetsuhiko Sato, Tokyo, JP;
Hidetoshi Yoda, Tokyo, JP;
Bridgestone Corporation, Tokyo, JP;
Abstract
A heavy duty pneumatic radial tire comprising a carcass, a tread and a belt layer consisting of four belt plies piled radially one above another and containing steel cords therein. The four belt plies consist of a large belt ply having a width wider than that of the other belt plies, a middle belt ply arranged radially inward of the large belt ply and having steel cords oblique in the same directions as those of steel cords of the large belt ply, a first small belt ply arranged between the large belt ply and the middle belt ply and having steel cords oblique in opposite directions to those of the cords of the large belt ply and a width smaller than that of the middle ply, a second small belt ply arranged radially inward of the middle belt ply and having steel cords oblique in opposite directions to those of the cords of the large belt ply and a width smaller than that of the middle belt ply.