Tire comprising a tread (40) extending between an outboard axial edge (45) and an inboard axial edge (46), over a width L, in which the tread comprises at least 4 circumferential ribs (411-414) separated by grooves (421-423), in which the circumferential rib (411) adjacent to the outboard axial edge of the tread extends from the outboard axial edge over a width of at least 0.6·L and comprises a portion (411a) with a width of at least 0.1·L made from a first rubber composition and an axially adjacent second portion (411b) made from a second rubber composition, the first rubber composition having values for the elastic modulus at 300% deformation, the Shore A hardness and the complex modulus G* at 60° C. which are respectively comprised between 1.1 and 2.1 times, 0.95 times and 1.20 times, and 1.00 times and 2.10 times the corresponding values of the second rubber composition.
PNEUMATIQUE COMPORTANT UNE BANDE DE ROULEMENT PERFECTIONNEE
TYRE COMPRISING AN IMPROVED TREAD
REIFEN MIT EINEM VERBESSERTEN PROFIL
2019-08-07
Patent
Elektronische Ressource
Französisch
IPC: | B60C VEHICLE TYRES , Fahrzeugreifen |
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