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:
Aug. 17, 2021
Filed:
Dec. 06, 2016
Compagnie Generale Des Etablissements Michelin, Clermont-Ferrand, FR;
François Barbarin, Clermont-Ferrand, FR;
Guillaume Demaziere, Clermont-Ferrand, FR;
COMPAGNIE GENERALE DES ETABLISSEMENTS MICHELIN, Clermont-Ferrand, FR;
Abstract
Tread of a tire () for a heavy-duty vehicle of civil engineering type. The tread (), having an axial width Wand having a radial thickness Hat least equal to 70 mm, comprises at least two circumferential grooves () positioned axially on each side of an equatorial plane (XZ). Each circumferential groove () has an axial width W and a radial depth H, such that the ratio W/H is at least equal to 0.06, the axial distance C between two consecutive circumferential grooves () is at least equal to 12% and at most equal to 21% of the axial width Wof the tread and each of the axially outermost circumferential grooves () is positioned axially, with respect to the equatorial plane XZ, at an axial distance Lat least equal to 35% of the axial width Wof the tread.