Tread for a tire to equip a heavy vehicle, having:—a plurality of grooves of circumferential overall orientation and a plurality of grooves of oblique overall orientation intersecting the circumferential grooves to delimit blocks, these circumferential and transverse grooves forming a directional tread pattern, imposing a running direction on the tread, a dividing plane separating part of the pattern to the left and part of the pattern to the right,—the circumferential grooves delimiting at least three intermediate rows of blocks and two edge rows situated axially on the outside of the intermediate rows, wherein each block has a contact face forming part of the tread surface, a front face and a rear face and two lateral faces, the front face and the rear face intersecting the contact face along a leading edge Ai and a trailing edge Fi respectively, Ai coming into the contact patch during running before Fi of the same block when running in the running direction, wherein Ai of all the blocks are offset from one another in the circumferential direction such that: they successively enter the contact patch during running,—they enter the contact patch alternately on one side of the dividing plane and then on the other side of the same dividing plane in a back-and-forth arrangement.


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    Titel :

    BANDE DE ROULEMENT POUR POIDS LOURD A BRUIT REDUIT


    Beteiligte:

    Erscheinungsdatum :

    13.01.2017


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Französisch


    Klassifikation :

    IPC:    B60C VEHICLE TYRES , Fahrzeugreifen



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