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:
Mar. 10, 2015
Filed:
Oct. 11, 2011
Applicant:
Toshiyuki Ohashi, Osaka, JP;
Inventor:
Toshiyuki Ohashi, Osaka, JP;
Assignee:
Toyo Tire & Rubber Co., Ltd., Osaka-shi, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B60C 11/12 (2006.01); B60C 11/13 (2006.01); B60C 11/03 (2006.01);
U.S. Cl.
CPC ...
B60C 11/1281 (2013.04); B60C 11/1218 (2013.04); B60C 11/0302 (2013.04); B60C 2011/1209 (2013.04); B60C 2011/1254 (2013.04); Y10S 152/03 (2013.01);
Abstract
In a pneumatic tire in which the sipe extending in a direction crossing a tire circumferential direction is provided on a land portion (block) of a tread portion, a wide part having a wide groove width is provided at three or more places in a length direction of the sipe, and the wide part and a narrow part are formed alternately on a tread surface along the sipe length direction. A plurality of the wide parts are extended in a sipe depth direction from the tread surface, and are provided by changing extended lengths in the sipe depth direction.