Tread for a heavy vehicle tire, having a wearable thickness of material PMU and having at least two main grooves of depth P1 close or equal to PMU, delimiting a raised element, at least one secondary groove of depth P2 less than depth P1, extending throughout the raised element, and having a groove bottom, each of the main and secondary grooves oriented in a circumferential or near-circumferential main direction corresponding to the mean direction of flow of liquid in each groove, a plurality of sipes in the raised element, each comprising lateral parts formed on each side of the secondary groove, and connected by a connecting part formed radially towards the inside of the tread from the bottom of the secondary groove, the connecting part having a sipe portion oriented in the main direction of the secondary groove, making an angle at most equal to 30° with the circumferential direction.


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    Title :

    BANDE DE ROULEMENT ÉVOLUTIVE


    Additional title:

    TREAD CAPABLE OF EVOLVING
    ENTWICKLUNGSFÄHIGER LAUFSTREIFEN


    Contributors:

    Publication date :

    2017-12-06


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    French


    Classification :

    IPC:    B60C VEHICLE TYRES , Fahrzeugreifen



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