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:
Jun. 24, 2025
Filed:
Apr. 07, 2017
Compagnie Generale Des Etablissements Michelin, Clermont-Ferrand, FR;
Fang Zhu, Greer, SC (US);
Terence Wallace, Simpsonville, SC (US);
Stefan Voss, Greer, SC (US);
Virgile Ayglon, Greer, SC (US);
Clarence Hair, Jr., Greenville, SC (US);
Charles Mcpillan, Simpsonville, SC (US);
Fang Zhu, Greer, SC (US);
Terence Wallace, Simpsonville, SC (US);
Stefan Voss, Greer, SC (US);
Virgile Ayglon, Greer, SC (US);
Clarence Hair, Jr., Greenville, SC (US);
Charles McPillan, Simpsonville, SC (US);
Compagnie Generale des Etablissements Michelin, Clermont-Ferrand, FR;
Abstract
The invention provides for a heavy truck tire tread () having a longitudinal direction, a lateral direction and a thickness direction, said tread having a ground-engaging contact surface (CS) and having a main longitudinal center groove (), two main longitudinal shoulder grooves () and two main longitudinal intermediate grooves (), said five main longitudinal grooves defining six main longitudinal ribs (), said five main longitudinal grooves comprising one hidden groove, two open grooves and two partially hidden grooves; wherein each of said two partially hidden grooves comprises openings () to the ground-engaging contact surface and undersurface channels () connecting adjacent openings, longitudinal sipes () extending substantially along the longitudinal direction and connecting successive openings to the respective channel; and wherein said hidden groove () comprises an undersurface duct (), a longitudinal sipe () extending substantially along the longitudinal direction and connecting said undersurface duct to the ground-engaging contact surface, said hidden groove being the main longitudinal center groove of the tread.