The tread comprises circumferential grooves which delimit an intermediate row (I) and edge rows (B). The tread also has a plurality of V-shaped oblique grooves with branches that make an angle of 30° to 60° with the axial direction. The circumferential and oblique grooves delimit a plurality of V-shaped blocks in each intermediate row. In each V-shaped block, there is a canal below the tread surface, and this canal has a width of 2 to 6 mm and is intended to generate a new groove after a predetermined amount of wear. When new, each canal has openings that open into the oblique grooves. A bridge of material is formed between the V-shaped blocks and occupies heightwise at least 40% of the depth of the oblique grooves and doing so over a width at least 10 mm. The bridge of material is suitable for not closing the openings of the canals.


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    Titel :

    Tread for heavy goods vehicle winter tire


    Beteiligte:
    BARDIN DAMIEN (Autor:in) / MARLIER FABIEN (Autor:in)

    Erscheinungsdatum :

    2021-03-23


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Englisch


    Klassifikation :

    IPC:    B60C VEHICLE TYRES , Fahrzeugreifen



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