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. 01, 2022
Filed:
Dec. 22, 2017
Applicant:
Bridgestone Corporation, Tokyo, JP;
Inventor:
Isao Kuwayama, Kodaira, JP;
Assignee:
BRIDGESTONE CORPORATION, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B60C 9/22 (2006.01); B60C 9/30 (2006.01); B60C 9/18 (2006.01); B60C 11/03 (2006.01);
U.S. Cl.
CPC ...
B60C 9/22 (2013.01); B60C 9/1821 (2013.01); B60C 11/033 (2013.01); B60C 2009/1828 (2013.01); B60C 2009/1842 (2013.01);
Abstract
A pneumatic tire comprising a carcass, at least one inclined belt layerhaving a cord extending inclined at an angle of 30° or more relative to the tire circumferential direction, and a treadarranged outward in the tire radial direction of the inclined belt layer, wherein a circumferential cord layerarranged inward in the tire radial direction of the treadhas a high-rigidity region and a low-rigidity region and the high-rigidity region has a lower negative ratio in a ground contact width of the treadthan the low-rigidity region.