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. 29, 2019
Filed:
Jun. 23, 2014
Compagnie Generale Des Etablissements Michelin, Clermont-Ferrand, FR;
Michelin Recherche ET Technique S.a., Granges-Paccot, CH;
Luc Schaffhauser, Clermont-Ferrand, FR;
Vincent Tourneux, Clermont-Ferrand, FR;
Laurent Huc, Clermont-Ferrand, FR;
COMPAGNIE GENERALE DES ETABLISSEMENTS MICHELIN, Clermont-Ferrand, FR;
Abstract
Tire comprising a tread () extending between an outboard axial edge () and an inboard axial edge (), over a width L, in which the tread comprises at least 4 circumferential ribs (-) separated by grooves (-), in which the circumferential rib () adjacent to the outboard axial edge of the tread extends from the outboard axial edge over a width of at least 0.6·L and comprises a portion () with a width of at least 0.1·L made from a first rubber composition and an axially adjacent second portion () made from a second rubber composition, the first rubber composition having values for the elastic modulus at 300% deformation, the Shore A hardness and the complex modulus G* at 60° C. which are respectively comprised between 1.1 and 2.1 times, 0.95 times and 1.20 times, and 1.00 times and 2.10 times the corresponding values of the second rubber composition.