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. 12, 2025
Filed:
Apr. 29, 2020
Compagnie Generale Des Etablissements Michelin, Clermont-Ferrand, FR;
Olivier Spinnler, Clermont-Ferrand, FR;
Alvaro Villa-Recio, Clermont-Ferrand, FR;
COMPAGNIE GENERALE DES ETABLISSEMENTS MICHELIN, Clermont-Ferrand, FR;
Abstract
A tire tread for a heavy-duty vehicle of construction plant type and aims to reduce the risk of cracking at the sipe bottom, without significantly reducing the volume of material of the tread so as not to shorten the lifetime of the tire in respect of wear. The tread (I) has transverse sipes () having a depth H and a width E, each transverse sipe () having a radially inner end formed by a bulge () having an end radius R, the transverse sipes () being distributed longitudinally at a longitudinal spacing B, the depth H, the width E of each transverse sipe (), the end radius R of the bulge () and the longitudinal spacing B satisfying the relationship (R*B)/(E*H)>=1.8.