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. 27, 2026
Filed:
Oct. 25, 2019
The Yokohama Rubber Co., Ltd., Tokyo, JP;
Takanori Uemura, Kanagawa, JP;
The Yokohama Rubber Co., LTD., Tokyo, JP;
Abstract
Provided is a pneumatic tire capable of providing improved steering stability performance on dry road surfaces and improved steering stability performance on wet road surfaces in a compatible manner. A sipe () includes at least one end communicating with a main groove () and a chamfered portion () in at least one edge, and the chamfered portion () includes at least one end open to the main groove (). In a meridian cross-sectional view, a profile line (L) projects further to an outer side in a tire radial direction than a reference tread profile line (L). A radius of curvature (TR) (mm) of the reference tread profile line (L) and a radius of curvature (RR) (mm) of the profile line (L) of a rib () satisfy a relationship of TR>RR. The chamfered portion () is disposed straddling a maximum projection position (P) of the profile line (L) of the rib (). A maximum projection amount (D) (mm) of the rib () with respect to the reference tread profile line (L) and a maximum width (W) (mm) of the chamfered portion () satisfy a relationship of 0.05 mm<W×D<1.50 mm.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile