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:
Apr. 14, 2025
Filed:
Jul. 20, 2021
Applicant:
Sumitomo Rubber Industries, Ltd., Hyogo, JP;
Inventors:
Assignee:
SUMITOMO RUBBER INDUSTRIES, LTD., Hyogo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B60C 3/04 (2005.12); B60C 1/00 (2005.12); B60C 11/00 (2005.12); B60C 11/03 (2005.12);
U.S. Cl.
CPC ...
B60C 3/04 (2012.12); B60C 1/0016 (2012.12); B60C 11/0058 (2012.12); B60C 11/033 (2012.12); B60C 2011/0033 (2012.12); B60C 2011/0341 (2012.12); B60C 2011/0358 (2012.12);
Abstract
A pneumatic tire having a tread, wherein the ground contact surface of the tread is composed of at least two types of rubber compositions different in the thermal conductivity, and the following formulas (1) and (2) are satisfied:1700≤(×π/4)/≤2827.4 (1)[(+1.5×10)/]≤2.88×10 (2)where Wt (mm) is the cross-sectional width and Dt (mm) is the outer diameter of the tire when installed on a standardized rim and inflated to an internal pressure of 250 kPa, and V (mm) is the virtual volume of the space occupied by the tire.