Patent Number: 10,029,515

Title: Tire tread for heavy vehicle of construction plant tire

Abstract: Tire (1) for a heavy vehicle of construction plant type with tread (2) comprising raised elements (3), separated by grooves (4), extending radially outwards from a bottom surface (5) as far as a contact face (6) over a height (H) and comprising base compound (9) and coating compound (10). Coating compound (10) has a constant maximum thickness (e.sub.max), at the contact face (6) of each raised element (3), at most equal to 0.15 H, the coating compound (10) has a constant minimum thickness (e.sub.min), at each groove bottom (8), at least equal to 0.04 H, and the elongation at break at 23.degree. C. A.sub.R2 of the coating compound (10) is at least equal to 1.05 times the elongation at break of 23.degree. C. A.sub.R1 of the base compound (9).

Inventors: Bondu; Lucien (Clermont-Ferrand, FR)

Assignee: COMPAGNIE GENERALE DES ETABLISSEMENTS MICHELIN

International Classification: B60C 11/00 (20060101); B60C 11/13 (20060101); B60C 1/00 (20060101); B60C 11/11 (20060101); B60C 11/03 (20060101)

Expiration Date: 2022-07-24 0:00:00