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. 30, 2021
Filed:
Apr. 04, 2018
Compagnie Generale Des Etablissements Michelin, Clermont-Ferrand, FR;
Frédéric Bourgeois, Clermont-Ferrand, FR;
Fabien Hellot, Clermont-Ferrand, FR;
COMPAGNIE GENERALE DES ETABLISSEMENTS MICHELIN, Clermont-Ferrand, FR;
Abstract
Passenger vehicle tire, the tread having edge parts (), provided with a plurality of transversely or obliquely oriented cuts () having a width at most equal to 2 mm and a depth at least equal to 75% of the thickness of the tread that is intended to be worn away, more than half of the cuts () comprising a protuberance that locally reduces the width of the cut () to a width at least equal to 0.2 mm and at most equal to 0.5 mm. The tread material which comes into contact with the road surface in the new state has a Shore A hardness at least equal to 48 and at most equal to 57, a loss at 60° C. at least equal to 12% and at most equal to 20%, a glass transition temperature Tg at least equal to −20° C. and at most equal to −10° C.