The invention is a tyre comprising, in the central part of its crown, at least one undulation (51) of the radially outermost crown layer, having a radial amplitude A at least equal to 1 mm. At least one bead comprises, aside from the radial carcass layer and the bead wire, a radial reinforcing element that is such that the axial distance between the radial reinforcing element and the axially innermost carcass layer is at least equal to 1 mm and at most equal to 12 mm at the point of the radial reinforcing element that is situated 30 mm from the radially innermost point of the bead wire, for a better trade-off between the stiffness of the undulating crown and of the bead.


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    Title :

    PNEUMATIQUE AYANT DES ARCHITECTURES SOMMET ET BOURRELET OPTIMISEES


    Additional title:

    PNEUMATIC TYRE WITH OPTIMISED CROWN AND BEAD ARCHITECTURES
    LUFTREIFEN MIT OPTIMIERTEN KRONEN- UND WULSTARCHITEKTUREN


    Contributors:

    Publication date :

    2023-08-16


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    French


    Classification :

    IPC:    B60C VEHICLE TYRES , Fahrzeugreifen



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