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. 12, 2019
Filed:
Mar. 01, 2013
The Yokohama Rubber Co., Ltd., Minato-ku, Tokyo, JP;
Abstract
The present technology provides a pneumatic tire that combines rolling resistance and wet grip performance while suppressing the occurrence of uneven wear. The pneumatic tire of the present technology has a cap rubber divided into a center portion that straddles a tire equator line and shoulder portions positioned on both sides thereof, a compound emphasizing wet grip performance and having a tan δ at 0° C. higher than that of the shoulder portions is disposed in the center portion and a compound emphasizing rolling resistance and having a tan δ at 60° C. lower than that of the center portion is disposed in both shoulder portions, and circumferential narrow grooves are formed on the respective shoulder sides of outermost main grooves in both the shoulder portions.