A tire tread (1) for a heavy construction plant vehicle, and aims to improve both its ability to not retain stones in its voids, during off-road use, and its ability to dampen the noise that it generates, during on-road use. At least one longitudinal groove (6) of the tread (1) has a longitudinal distribution of protuberances (7), and any protuberance (7) has a height H′ at least equal to 0.9 times the depth H of the groove (6) and has a first portion (71), having a height H1, a width W1 and a thickness T1, and a second portion (72), having a height H2, a width W2 and a thickness T2, satisfying the relationships: H′=H1+H2, 0.6*H′<=H2<=0.9*H′, W2>=0.25*W, T2<=min(3 mm; 1/3*T1), W1>=0.5*W, T1>=H1.


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    Title :

    BANDE DE ROULEMENT DE PNEUMATIQUE POUR VEHICULE LOURD COMPRENANT DES PROTUBERANCES ANTI-BRUIT ET CHASSE-PIERRES


    Additional title:

    PNEUMATIC TYRE TREAD FOR A HEAVY DUTY VEHICLE COMPRISING STONE-EXPELLING AND NOISE-PREVENTING PROTUBERANCES
    LUFTREIFENLAUFFLÄCHE FÜR SCHWERLASTFAHRZEUGE MIT STEINABWEISENDEN UND GERÄUSCHVERHINDERNDEN AUSSTÜLPUNGEN


    Contributors:

    Publication date :

    2024-11-20


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    French


    Classification :

    IPC:    B60C VEHICLE TYRES , Fahrzeugreifen



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