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:
Jun. 16, 2026

Filed:

Feb. 03, 2023
Applicant:

Sumitomo Rubber Industries, Ltd., Kobe, JP;

Inventors:

Yu Hashimoto, Kobe, JP;

Koichi Nakajima, Kobe, JP;

Yoshifumi Kawagoe, Kobe, JP;

Kohei Ikeda, Kobe, JP;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B60C 11/13 (2006.01); B60C 11/03 (2006.01); B60C 11/12 (2006.01);
U.S. Cl.
CPC ...
B60C 11/1353 (2013.01); B60C 11/0302 (2013.01); B60C 11/0304 (2013.01); B60C 11/1236 (2013.01); B60C 11/1281 (2013.01); B60C 2011/0353 (2013.01); B60C 2011/0365 (2013.01); B60C 2011/0367 (2013.01); B60C 2011/1361 (2013.01);
Abstract

A tire includes a tread portion including a first tread edge, a second tread edge, a crown land portion arranged between the first tread edge and the second tread edge, and a first crown circumferential groove extending continuously in a tire circumferential direction adjacent to the crown land portion on a first tread edge side. The first crown circumferential groove includes a groove bottom having a plurality of protrusions projecting in a tire radial direction. The crown land portion is not provided with drainage grooves that have an opening width exceeding 2.0 mm at a ground contact surface of the crown land portion and a depth exceeding 2.0 mm of an area where a distance between two opposite groove walls thereof exceeds 2.0 mm. The crown land portion is provided with a plurality of sipes.


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