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. 24, 2015
Filed:
May. 26, 2010
Applicant:
Masatoshi Kuwajima, Hiratsuka, JP;
Inventor:
Masatoshi Kuwajima, Hiratsuka, JP;
Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B60C 11/12 (2006.01);
U.S. Cl.
CPC ...
B60C 11/12 (2013.01); B60C 11/1218 (2013.04); B60C 11/1222 (2013.04); B60C 11/1272 (2013.04); B60C 2011/1213 (2013.04); B60C 2011/1227 (2013.04); B60C 2011/1254 (2013.04);
Abstract
A pneumatic tire including a closed sipeformed in a tread surfacethat includes a small holeextending along a tire radial direction and a plurality of cutsextending in a radiation direction from the small holeand that terminating in a land portion. A diameter of an inscribed circle of the small holeis greater than a thickness of the cuts. The cutsare provided with a twist in a depth direction centered on the small hole, and a twist angle θ from a top surface to a bottom surface of the land portionis not less than 10° and less than 135°.