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. 10, 1997
Filed:
Aug. 03, 1995
Applicant:
Inventor:
Yasuhiko Kobayashi, Kodaira, JP;
Assignee:
Bridgestone Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B60C / ; B60C / ;
U.S. Cl.
CPC ...
152534 ; 152526 ; 152527 ; 152535 ; 152538 ;
Abstract
In a heavy duty pneumatic radial tire, when the belt is comprised of not less than three main belt layers, a belt layer other than a belt layer adjacent to a carcass is a narrow-width rigidity reinforcing layer, or when the belt is comprised of not less than four main belt layers, a belt layer adjacent to the carcass and a belt layer other than a belt layer adjacent to the belt layer are narrow-width rigidity reinforcing layers. Such a narrow-width rigidity reinforcing layer has given width and inclination cord angle.