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. 29, 2023
Filed:
Jul. 11, 2018
Compagnie Generale Des Etablissements Michelin, Clermont-Ferrand, FR;
Damien Blouin, Clermont-Ferrand, FR;
Quentin Bonneton, Clermont-Ferrand, FR;
COMPAGNIE GENERALE DES ETABLISSEMENTS MICHELIN, Clermont-Ferrand, FR;
Abstract
A tire having a tread with a plurality of blocksprovided with at least one sipeextending from the contact face of said block, and having a width that can vary in the direction of its depth, and known as a complex sipe. The tread has a first layer of materialand at least one second layer of materialradially on the inside of the first layer, the first layer being formed in a first rubber composition and the second layer being formed in a second rubber composition different from the first composition. The complex sipeand the grooves separating the blocks are formed entirely in the first layer of material. Laterally on each side of the complex sipe, the second layer of materialextends, when viewed in transverse section in the block, beyond the bottomof the complex sipe in the direction of the contact face of the block.