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:
Jan. 15, 2019
Filed:
Oct. 31, 2012
Bridgestone Corporation, Chuo-ku, Tokyo, JP;
Yoshio Kaji, Kodaira, JP;
BRIDGESTONE CORPORATION, Chuo-ku, Tokyo, JP;
Abstract
Provided is a pneumatic tire including a land portion provided with a sipe, which is capable of simultaneously providing snow performance, dry performance, and wet performance all at high level in a single land portion. The pneumatic tire includes a land portionon a tread portion. The land portionis provided with a sipehaving amplitude in a tire circumferential direction and extending in a tire width direction. In a depth direction extending from a land portion surface S toward an inner side in a tire radial direction, sipeincludes: a land portion's surface-side partbent toward tire circumferential direction from land portion surface S; and a land portion's bottom-side partbent in a direction different from a direction of land portion's surface-side partor bent toward tire circumferential direction by a displacement different from a displacement of land portion's surface-side part.