The invention relates to a tread (10) including at least two wearing courses provided with at least one continuous groove (2) including a plurality of outer cavities (21) leading onto the running surface in the new condition, and a plurality of inner cavities (22) positioned radially and entirely inside the running surface in the new condition, each outer cavity (21) of a continuous groove (2) being connected to at least two inner cavities (22) of the same groove by connecting channels (23) ensuring the continuity between said inner and outer cavities, said tread further including a plurality of scorings (30) opening out onto the rolling surface of the tread in the new condition, each of said scorings connecting two consecutive outer cavities of a single groove and at least two connecting channels and at least one inner cavity.


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    Title :

    Tire tread having improved rigidity


    Contributors:

    Publication date :

    2015-03-26


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    B60C VEHICLE TYRES , Fahrzeugreifen



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