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:
Oct. 11, 2022
Filed:
Dec. 18, 2018
Compagnie Generale Des Etablissements Michelin, Clermont-Ferrand, FR;
Tony Zivkovic, Clermont-Ferrand, FR;
Arnaud Larregain, Clermont-Ferrand, FR;
COMPAGNIE GENERALE DES ETABLISSEMENTS MICHELIN, Clermont-Ferrand, FR;
Abstract
A tread () for a heavy-duty vehicle tyre, having a tread surface () and an undulating groove () formed therein, having, when new, external cavities () open onto the tread surface () and internal cavities () entirely situated there-beneath when new, these cavities () connected to cavities () by linking cavities (), each external cavity () intersecting the tread surface () along a corner edge contour delimiting an opening () having two end regions (A, A) and a surface area Se measured on the tread surface (). In each end region (A, A) at least one thin blade () of rubbery material is formed which is secured to at least one of the walls delimiting the undulating groove to reduce the surface area of the opening () of each external cavity () viewed from the tread surface () when new.