The invention relates to a snow tyre tread comprising a plurality of blocks (2) separated by grooves (3). The blocks (2) are provided with incisions (5) that are separated into multiple parts from a certain depth, known as complex incisions. In sectional view, each complex incision (5) has a first straight part (9) extending radially from the running surface of the tread and a second part (11) extending from the first part and comprising at least two branches (13), each branch comprising an end (15). The tread also comprises cavities (17), each cavity extending between the branches (13) of a complex incision. Each cavity comprises a base (19) located at the same level as the ends (15) of the branches. The cavities (17) and the grooves (3) of the tread are configured such that the tread has an end-of-wear surface grooving rate greater than or equal to 35%. In addition, the distance (D) between two branches (13) of two adjacent complex incisions (5) is at least equal to 2mm.


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    Titel :

    Snow tyre tread comprising incisions and cavities


    Beteiligte:

    Erscheinungsdatum :

    2015-08-12


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Englisch


    Klassifikation :

    IPC:    B60C VEHICLE TYRES , Fahrzeugreifen



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