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:
Jul. 14, 2020
Filed:
Jun. 05, 2014
Compagnie Generale Des Etablissements Michelin, Clermont-Ferrand, FR;
Michelin Recherche ET Technique S.a., Granges-Paccot, CH;
Frédéric Bourgeois, Clermont-Ferrand, FR;
François-Xavier Bruneau, Clermont-Ferrand, FR;
Patrice Fraysse, Clermont-Ferrand, FR;
Emmanuel Igier, Clermont-Ferrand, FR;
COMPAGNIE GENERALE DES ETABLISSEMENTS MICHELIN, Clermont-Ferrand, FR;
Abstract
Tire having a predetermined direction of mounting on a vehicle. The tire tread () comprises a central rib (-) and two side ribs (), separated by circumferential grooves (-). The side ribs are made from a first rubber composition less than 50% filled with black. The central rib comprises a portion () made from a second rubber composition more than 50% filled with black, the axial width (LP) of said portion being greater than or equal to 20% of the axial width LC of the central rib. The first rubber composition has a tan δ0 value which is greater than the tan δ0 value of the second rubber composition, where tan δ0 denotes the tan δ value measured at a temperature of 0° C. and under a stress of 0.7 mPa.