A tire comprises, in the central part of its crown, at least one undulation (51) with a radial amplitude A of the radially outermost crown layer, circumferential furrows (24) and open grooves (25), some of these grooves being radially on the outside of the undulation (51). At least 50% of these grooves (25) are said to be adapted to the undulation. An open groove adapted to the undulation which it is radially on the outside of is such that the intersection points Ps of the bottom curve Cf of said groove and of the furrows (24) are at a distance from the radially outermost point Pext of said bottom curve Cf by a radial distance d2 at least equal to one third of the radial amplitude (A/3) of the undulation (51) and such that the curve Cf increases radially from the intersection points Ps to the point Pext.


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    Title :

    TIRE WITH WORKING LAYERS COMPRISING AN OPTIMIZED ARCHITECTURE AND TREAD DESIGN


    Contributors:

    Publication date :

    2022-06-09


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    B60C VEHICLE TYRES , Fahrzeugreifen



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