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:
Feb. 18, 2025
Filed:
Dec. 25, 2018
Applicant:
The Yokohama Rubber Co., Ltd., Tokyo, JP;
Inventor:
Hiroshi Fujii, Hiratsuka, JP;
Assignee:
The Yokohama Rubber Co., LTD., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B60C 11/00 (2006.01); B60C 11/03 (2006.01); B60C 11/04 (2006.01);
U.S. Cl.
CPC ...
B60C 11/005 (2013.01); B60C 11/0008 (2013.01); B60C 11/033 (2013.01); B60C 11/04 (2013.01); B60C 2011/0025 (2013.01); B60C 2011/0033 (2013.01);
Abstract
A pneumatic tire is provided. An average thickness of an undertread rubber in a center region is greater than that in a shoulder regions, a loss tangent tan δ at 60° C. of the cap tread rubber is higher than that of the undertread rubber, and the ratio CAI/UAI of a cross-sectional area CAI of the cap tread rubber to a cross-sectional area UAI of the undertread rubber is not less than 0.15 and not greater than 0.95 in the center region.