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:
Feb. 07, 2017
Filed:
May. 13, 2013
Compagnie Generale Des Etablissements Michelin, Clermont-Ferrand, FR;
Michelin Recherche ET Technique, S.a., Granges-Paccot, CH;
Olivier Muhlhoff, Jr., Clermont-Ferrand, FR;
Francois-Xavier Bruneau, Clermont-Ferrand, FR;
Frederic Bourgeois, Clermont-Ferrand, FR;
Abstract
Tread comprising at least one groove delimited by two walls facing one another, joined together by a groove bottom, this groove having a plurality of closure devices, each made up of at least one flexible blade (of thickness E suited to allowing flexing under the effect of a circulation of liquid in the groove, and secured to a wall delimiting the groove, each flexible blade bounded by a bottom wall facing the bottom of the groove, an end wall facing the other wall of the groove and a contact wall to come into contact with the roadway and lateral walls spaced apart from one another by a distance equal to the thickness E of the blade, the bottom wall of each flexible blade having a notch in the vicinity of the wall to which the blade is attached, wherein each flexible blade is connected to one of the walls delimiting the groove inside a housing (formed on the wall bearing the blade, each housing having a depth suited to containing in its entirety a notch.