A tread for a heavy goods vehicle tire, the tread having a surface when new suitable for coming into contact with a road surface, this tread having a plurality of optimized incisions opening onto its tread surface when new, each incision made of at least two narrow portions and wide portions, each narrow portion surrounded by wide portions, the sum of the areas of narrow portions representing at least 40% of the total surface of the incision (and the width being less than 0.4 mm, each portion having a width at least equal to 0.4 mm, this tread being such that for each optimized incision each of the wide portions extending between two narrow portions includes at least one section inclined in a plane parallel to the mid-plane of the optimized incision, and forming an angle at least 15 degrees with the direction of the tread thickness.


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    Title :

    BANDE DE ROULEMENT DE PNEU POUR POIDS LOURD AYANT DES INCISIONS AMELIOREES


    Additional title:

    TYRE TREAD FOR A HEAVY GOODS VEHICLE TYRE HAVING IMPROVED INCISIONS
    REIFENLAUFFLÄCHE FÜR EINEN LKW-REIFEN MIT VERBESSERTEN EINSCHNITTEN


    Contributors:

    Publication date :

    2021-10-27


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    French


    Classification :

    IPC:    B60C VEHICLE TYRES , Fahrzeugreifen




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