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:
Jun. 05, 2018
Filed:
Dec. 11, 2013
Compagnie Generale Des Etablissements Michelin, Clermont-Ferrand, FR;
Michelin Recherche ET Technique S.a., Granges-Paccot, CH;
Bernard Guerinon, Clermont-Ferrand, FR;
Eric Berger, Clermont-Ferrand, FR;
Melaine Guillou, Clermont-Ferrand, FR;
Bertrand Boisdon, Clermont-Ferrand, FR;
Christine Nourry, Clermont-Ferrand, FR;
COMPAGNIE GENERALE DES ETABLISSEMENTS MICHELIN, Clermont-Ferrand, FR;
Abstract
Tire tread having a central part (I) made from at least one first rubber compound and having at least one circumferential rib (-) formed of a plurality of blocks () separated by sipes; a first and a second lateral part (II and III) made of at least a second and third rubber compound, and having a circumferential rib () formed by a plurality of blocks (), separated by sipes, wherein the at least one second and third rubber compounds have a value of tan δ at 23° C.—at a frequency of 10 Hz and an elongation of 10% —of less than 0.25, wherein the complex modulus G*(T) of the at least one first rubber compound is greater than the complex moduli G*(T) of at least one second and third rubber compounds for all temperatures T greater than or equal to 0° and less than or equal to 60° C.