The invention relates to a tyre comprising a crown reinforcement (4) formed of at least two working crown layers (42, 43) of reinforcing elements, the reinforcing elements of the radially outermost working crown layer (43) being distributed at a spacing P, and of at least one protective layer (44). According to the invention, the reinforcing elements of the working crown layers are metal cords of a diameter of less than 1.3 mm, at least one thread of each metal cord of at least one working crown layer is of at least UHT grade, the ratio Ei/P is strictly greater than 0.23 and the ratio E2/P is strictly greater than 0.30.


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    Title :

    PNEUMATIQUE COMPORTANT UNE ARMATURE DE SOMMET ALLEGEE


    Additional title:

    PNEUMATIC TYRE HAVING A MORE LIGHTWEIGHT CROWN REINFORCEMENT
    LUFTREIFEN MIT LEICHTERER GÜRTELVERSTÄRKUNG


    Contributors:

    Publication date :

    2021-06-16


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    French


    Classification :

    IPC:    B60C VEHICLE TYRES , Fahrzeugreifen



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