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:
Apr. 19, 2022
Filed:
Nov. 17, 2017
Compagnie Generale Des Etablissements Michelin, Clermont-Ferrand, FR;
Alain Domingo, Clermont-Ferrand, FR;
Olivier Spinnler, Clermont-Ferrand, FR;
COMPAGNIE GENERALE DES ETABLISSMENTS MICHELIN, Clermont-Ferrand, FR;
Abstract
Crown of a tire for a heavy vehicle that is desensitized to attacks. The tire () comprises tread () having a median degree of surface siping TL, expressed in m/m, equal to the ratio between the cumulative length Lof the cuts (), present in a median portion of tread of axial width W, and the median area Aof the radially outer surface () of the tread (), and protective reinforcement () comprising at least two protective layers () that are formed of elastic metallic reinforcers and have a maximum breaking strength R, expressed in daN/m, such that the median degree of surface siping TLof tread () is at least equal to 5 m/mand a coupling ratio C, equal to the ratio between the maximum breaking strength Rand the median degree of surface siping TL, is at least equal to 18 000 daN.