Tire comprising a tread (1) having sipes (5) having a non-zero inclination with a plane perpendicular to the tread surface (10). The tread is an elastomer compound based on natural rubber or synthetic polyisoprene with a majority of cis-1,4 linkages, the natural rubber or the synthetic polyisoprene in case of a blend being present in a majority amount relative to the amount of the other diene elastomer(s) used and on a reinforcing filler consisting predominantly of silica, with a content expressed in phr (parts by weight per hundred rubber) of greater than 40 and an overall filler content expressed in phr of greater than 50, this material having a tan(δ)max/(G*25%) ratio at most equal to 0.065, in which tan(δ)max is the measurement, at 60° C., of the loss factor of the material of which the tread is made, and G*25% is the complex dynamic shear modulus, expressed in MPa, of this material, and a deformation at break which is at least equal to 530%, this value being obtained at a temperature of 60° C.
PNEU AYANT UNE BANDE DE ROULEMENT COMBINANT DES INCISIONS INCLINEES AVEC UN MATERIAU SPECIFIQUE
TYRE HAVING A TREAD COMBINING INCLINED SIPES WITH A SPECIFIC MATERIAL
REIFEN MIT EINER LAUFFLÄCHE, DIE GENEIGTE LAMELLEN MIT EINEM SPEZIFISCHEN MATERIAL KOMBINIERT
2022-01-26
Patent
Electronic Resource
French
IPC: | B60C VEHICLE TYRES , Fahrzeugreifen |
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