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. 13, 2014
Filed:
Nov. 01, 2007
Applicant:
Yoshihiro Kameda, Hiratsuka, JP;
Inventor:
Yoshihiro Kameda, Hiratsuka, JP;
Assignee:
The Yokohoma Rubber Co., Ltd., Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
B60C 1/00 (2006.01); B60C 11/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A pneumatic tire with superior durability having a tread part comprising a cap tread layer (layer A) and an under tread layer (layer B), wherein, in the pneumatic tire, when storage elastic moduli of the rubber compositions constituting the layer A and the layer B are designated as Eand E, the storage elastic moduli E(60° C.) and E(60° C.) determined at a temperature of 60° C. satisfy the following formulae (1) and (2):(60° C.)/(60° C.)≦0.66  (1)10(MPa)≦(60° C.)  (2)