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:
Mar. 08, 2022

Filed:

Feb. 20, 2018
Applicant:

Bridgestone Corporation, Tokyo, JP;

Inventor:

Shintaro Hayashi, Tokyo, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B60C 11/12 (2006.01); B60C 11/03 (2006.01);
U.S. Cl.
CPC ...
B60C 11/1236 (2013.01); B60C 11/0302 (2013.01); B60C 11/0304 (2013.01); B60C 11/1204 (2013.01); B60C 11/1281 (2013.01); B60C 2011/129 (2013.01); B60C 2011/1254 (2013.01);
Abstract

A tire has, on a tread surface of the tire, five land portions, an installation direction of the tire to a vehicle is designated, intermediate land portions respectively have a communicating sipe, the communicating sipe is constituted by a first sipeat a vehicle-installed outside and a second sipeat a vehicle-installed inside, the first sipe and the second sipe have an intersection point P on the vehicle-installed outside of a center line in a tire width direction of the corresponding intermediate land portion, the distance between the intersection point and a land portion edge at the vehicle-installed inside is the largest in an innermost intermediate land portion of the intermediate land portions, and an angle θof the first sipe to a tire circumferential direction is larger than an angle θof the second sipe to the tire circumferential direction.


Find Patent Forward Citations

Loading…