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:
Aug. 04, 1987
Filed:
Dec. 18, 1985
Applicant:
Inventor:
Mitsuhisa Yahagi, Sayama, JP;
Assignee:
Bridgestone Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B60C / ; B60C / ;
U.S. Cl.
CPC ...
1522 / ;
Abstract
Pneumatic tires, particularly tires for heavy load vehicles are disclosed. In the tire of this type, the tread rubber is divided into three rubber portions of central and either side regions in the direction of rotational aixs of the tire. As the material of the tread rubber, the central region uses a rubber having a good cut resistance, while the either side region uses a rubber having a good wear resistance.