The present disclosure concerns tire treads including one or more particular void features. These void features include a submerged void portion (22) and a connecting portion (24). The submerged void portion (22) is submerged within a thickness of the tread. The connecting portion (24) forms a passage extending from an orifice (28) arranged along the outer side of the tread and is in fluid communication with the submerged void portion (22). The connecting portion (24) includes an outer tapering portion (26) that tapers inwardly from the orifice (28) to a narrowed portion (30) of the connecting portion (24) or passage.

    La présente invention concerne des bandes de roulement de pneu comprenant une ou plusieurs caractéristiques de vide particulières. Les caractéristiques de vide de l'invention comprennent une portion de vide immergée (22) et une portion de liaison (24). La portion de vide immergée (22) est immergée dans une épaisseur de la bande de roulement. La portion de liaison (24) forme un passage s'étendant à partir d'un orifice (28) disposé le long du côté externe de la bande de roulement et est en communication fluidique avec la portion de vide immergée (22). La portion de liaison (24) comprend une portion effilée externe (26) qui s'effile vers l'intérieur à partir de l'orifice (28) jusqu'à une portion rétrécie (30) de la portion de liaison (24) ou du passage.


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    Title :

    TIRE TREAD HAVING SUBMERGED VOID FEATURE WITH TAPERED ORIFICE


    Additional title:

    BANDE DE ROULEMENT DE PNEU AYANT UNE CARACTÉRISTIQUE DE VIDE IMMERGÉE AVEC ORIFICE EFFILÉ


    Contributors:

    Publication date :

    2019-01-03


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    B60C VEHICLE TYRES , Fahrzeugreifen



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