The invention relates to improvements to the endurance of the beads of a radial tyre for a heavy vehicle of construction plant type, by reducing the cracking that starts at the end of the turned-back portion and spreads through the coating, edging and filling polymer materials. According to the invention, a transition element (25), made of a transition polymer material, is at least partially in contact, over its axially exterior face, with the edging polymer material (22) and, over its axially interior face, with a filling polymer material (23b), the radially exterior (E


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    Title :

    Bead of a tyre for a heavy vehicle of construction plant type


    Contributors:

    Publication date :

    2016-05-26


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    B60C VEHICLE TYRES , Fahrzeugreifen



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