Tire comprising a tread having a first lateral rib (421) adjacent to the outer axial edge of the tread and a central rib with a first portion (4211, 4111, 4121, 4131) having axial width exceeding 20% the axial width of the relevant rib made from a rubber composition containing an elastomer and a reinforcing filler consisting predominantly of carbon black. Axially adjacent second portion (4212, 4112, 4122, 4132) is made of a rubber composition containing an elastomer and a reinforcing filler a minority proportion of which consists of carbon black. The rubber compositions that make up the respective second portions of the first lateral rib and the central rib all have a tan δ0 value which is less than the tan δ0 value of the rubber compositions that form the respective first portions of the first lateral rib and the central rib.


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    Title :

    Tire With Improved Tread



    Publication date :

    2017-01-05


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    B60C VEHICLE TYRES , Fahrzeugreifen



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