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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.:

US 12168371 B1

PDFFull Text
Date of Patent:
Dec. 17, 2024

Filed:

Dec. 28, 2021

Pneumatic tire

Applicant:

Sumitomo Rubber Industries, Ltd., Kobe, JP;

Inventors:

Momoka Misaki, Kobe, JP;

Dong Miao, Kobe, JP;

Hiroki Kawai, Kobe, JP;

Assignee:

SUMITOMO RUBBER INDUSTRIES, LTD., Kobe, JP;

Attorney:

Birch, Stewart, Kolasch & Birch, LLP

Primary Examiner:

Cedrick S Williams

Int. Cl.
CPC ...
B60C 11/00 (2006.01); B60C 9/18 (2006.01); B60C 9/28 (2006.01); B60C 11/03 (2006.01);
U.S. Cl.
CPC ...
B60C 11/0008 (2013.01); B60C 9/28 (2013.01); B60C 11/03 (2013.01); B60C 2011/0025 (2013.01); B60C 2011/0033 (2013.01); B60C 2011/0341 (2013.01); B60C 2011/0358 (2013.01);
Abstract

To provide pneumatic tires with excellent ride quality during high-speed driving, a pneumatic tire having a tread portion with a circumferential groove and a belt layer, wherein a monofilament cord is used as a reinforcing cord for the belt layer; and the number of arrangements e (lines/5 cm) of the monofilament cords per 5 cm in the tire width direction in the tire radial cross section of the belt layer, the distance G (mm) from the surface of the land portion closest to the equatorial plane among land portions separated by the circumferential groove to the monofilament cord, and the loss tangent (30° C. tan δ) when the rubber composition constituting the surface of the tread portion is measured satisfy (30° C. tan δ×G)/e>0.015 is provided.

Find Patent Forward Citations

Misaki, Momoka. (2024). Pneumatic tire (U.S. Patent No. 12168371). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12168371

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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