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.

Date of Patent:
May. 13, 2025

Filed:

Feb. 18, 2021
Applicant:

Sumitomo Rubber Industries, Ltd., Hyogo, JP;

Inventor:

Shuichiro Ono, Kobe, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B60C 11/00 (2006.01); B60C 11/03 (2006.01); B60C 11/13 (2006.01);
U.S. Cl.
CPC ...
B60C 11/1307 (2013.01); B60C 11/005 (2013.01); B60C 11/033 (2013.01); B60C 2011/0016 (2013.01); B60C 2011/133 (2013.01);
Abstract

An object of the invention is to provide a tire having little change in riding comfort performance and wet performance before and after wear of the tread part and in which riding comfort performance and wet performance as when the tire is newly used are maintained. The fire comprises a tread being composed of a rubber layer in which there is little change in hardness after thermal deterioration and having a groove shape such that a sea ratio after wear with respect to a sea ratio as when the tire is newly used is within a predetermined range.


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