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:
Mar. 10, 2009
Filed:
Aug. 11, 2005
Stèphane Callamand, Gunma, JP;
Lucien Bondu, La Roche Noire, FR;
Stèphane Callamand, Gunma, JP;
Lucien Bondu, La Roche Noire, FR;
Michelin Recherche et Technique S.A., Granges-Paccot, CH;
Abstract
A tire includes comprising a radial carcass reinforcement surmounted radially by a crown reinforcement including a working reinforcement. The working reinforcement includes two working crown plies of calendered inextensible metalic reinforcement elements and rubber mix, and a protective ply of metalllic reinforcements. The metallic reinforcement elements of the working crown plies are parallel to each other within each working crown ply and are crossed from one working crown ply to the next, forming with the circumferential direction angles αand αof between 10° and 45°. The working crown plies include a radially inner working crown ply having an axial with Lwhich is greater than L. A layer P of cohesive rubber mixes is arranged between at least the ends of the working crown plies.