The present invention relates to a tyre (1) having a tread (2) with a central annular portion (L1) and two shoulder annular portions (L2); the central annular portion (L1) comprises at least one circumferential crown groove (5, 6, 7) and is separated from each shoulder annular portion (L2) by a respective circumferential shoulder groove (3, 4); - at least one of said circumferential shoulder and/or crown grooves (3, 4, 5, 6, 7) has a plurality of protrusions (50) having a height (hi) equal to or smaller than a depth (H) of said at least one circumferential shoulder and/or crown groove (3, 4, 5, 6, 7) and a lateral surface substantially extending in a radial direction; - said plurality of protrusions (50) further having a plurality of channels (19) substantially extending in a radial direction and comprising at least one opening in said lateral surface for setting said circumferential shoulder and/or crown groove (3, 4, 5, 6, 7) in fluid communication with the outside of the tread.


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    Titel :

    TYRE FOR HEAVY LOAD VEHICLE WHEELS


    Weitere Titelangaben:

    REIFEN FÜR SCHWERLASTFAHRZEUGRÄDER
    PNEU POUR ROUES DE VÉHICULES POIDS LOURD


    Beteiligte:

    Erscheinungsdatum :

    2019-02-20


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Englisch


    Klassifikation :

    IPC:    B60C VEHICLE TYRES , Fahrzeugreifen



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