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:
Oct. 13, 2020
Filed:
Jun. 19, 2017
Sumitomo Rubber Industries, Ltd., Kobe-shi, Hyogo, JP;
Yoshifumi Kawagoe, Kobe, JP;
Masashi Wakasugi, Kobe, JP;
SUMITOMO RUBBER INDUSTRIES, LTD., Kobe-Shi, Hyogo, JP;
Abstract
A pneumatic tire includes a first tread-half region from the tire equator to a first tread edge. In the first tread-half region, a crown land portion and a middle land portion are not provided with any grooves having widths equal to or more than 2 mm. In the first tread-half region, crown, middle and shoulder portions are respectively provided with a first crown sipe, a first middle sipe and a first shoulder sipe each having a width less than 2 mm. The first crown sipe, the first middle sipe and the first shoulder sipe are respectively configured as arc shapes having radiuses R, Rand Rof curvature to protrude in a first circumferential direction side, wherein the radiuses R, Rand Rare satisfied the following relation: R<=R<=R, and R<R