According to the invention, the reinforcing elements of the working crown layers (41, 43) are metal cords having 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 tensile elastic modulus at 10% elongation of at least the radially outermost calendering layer of at least the radially outermost working crown layer (43) is less than 8.5 MPa and at least said radially outermost calendering layer of at least the radially outermost working crown layer (43) has a macrodispersion Z value of greater than 85.


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    Title :

    PNEUMATIQUE COMPORTANT UNE ARMATURE DE SOMMET ALLEGEE


    Additional title:

    PNEUMATIC TYRE HAVING A LIGHTWEIGHT CROWN REINFORCEMENT
    LUFTREIFEN MIT LEICHTGEWICHTIGER GÜRTELVERSTÄRKUNG


    Contributors:

    Publication date :

    2022-03-23


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    French


    Classification :

    IPC:    B60C VEHICLE TYRES , Fahrzeugreifen



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