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:
Nov. 15, 2022
Filed:
Apr. 17, 2020
Sumitomo Rubber Industries, Ltd., Hyogo, JP;
Mari Mishima, Kobe, JP;
Hiroshi Yamaoka, Kobe, JP;
Sumitomo Rubber Industries, Ltd., Hyogo, JP;
Abstract
In a tire having composite grooves provided on a shoulder land portion, dry performance and wet performance are improved. The tire includes a tread portion. The tread portionincludes a first shoulder land portion. The first shoulder land portionhas shoulder lateral groovesand shoulder composite grooves. The shoulder lateral groovesand the shoulder composite groovesare each curved so as to be convex in a tire circumferential direction. Each shoulder composite grooveincludes, in a cross section thereof, a sipe elementhaving a width not greater than 1.5 mm and extending from a tread surface of the first shoulder land portionin a tire radial direction, and a groove elementconnected to an inner side in the tire radial direction of the sipe elementand having a width greater than 1.5 mm.