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:
Jan. 02, 1990
Filed:
Apr. 26, 1988
Applicant:
Inventors:
Katsuyuki Harakon, Higashiyamato, JP;
Shigeki Yamada, Tokyo, JP;
Assignee:
Bridgestone Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B60C / ;
U.S. Cl.
CPC ...
152531 ; 152527 ;
Abstract
A reinforcing laminate for use in a carcass or a belt of a heavy duty pneumatic radial tire comprises plural reinforcing layers piled one upon the other, each containing cords substantially arranged in parallel to each other and covered with a coating rubber, wherein the cords of the adjoining reinforcing layers are arranged in parallel to each other and the pitch between the cords in one of the reinforcing layers is shifted by an approximately half pitch from that of the other reinforcing layer.