The invention relates to a tyre including a crown reinforcement formed of at least two working crown plies (41, 43) of reinforcement elements and at least one ply (42) of circumferential reinforcement elements, a ply C of rubber mixture being arranged between the ends of the working crown plies. According to the invention, the tread has at least one cut-out made up of at least two portions (10, 12), the ratio of the width of the first portion, measured at the bottom, to the width of said at least one first portion, measured at the surface of the tread on a new tyre, being strictly greater than 2, the ratio of the width of the second portion, measured at the surface of the tread on a new tyre, to the width of said at least one second portion, measured at the bottom, being no lower than 1, the distance d between the end of the axially narrowest working ply and the working ply separated from the axially narrowest working ply by the ply C of rubber mixture being such that 1.1o < d < 2.2o, 0 being the diameter of the reinforcement elements of said at least one ply of circumferential reinforcement elements, and in a meridian plane, the thickness of the ply C of rubber mixture being substantially constant over the axial width between the axially inner end of the ply C and the end of the axially narrowest working ply.


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    Titel :

    PNEUMATIQUE PRESENTANT DES PROPRIETES D'USURE AMELIOREES


    Beteiligte:
    QUANTINET BENJAMIN (Autor:in) / GODEAU GILLES (Autor:in) / ZIVKOVIC TONY (Autor:in) / GERVAIS PHILIPPE (Autor:in)

    Erscheinungsdatum :

    2017-12-22


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Französisch


    Klassifikation :

    IPC:    B60C VEHICLE TYRES , Fahrzeugreifen / C08K Verwendung von anorganischen oder nichtmakromolekularen organischen Stoffen als Zusatzstoffe , USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES AS COMPOUNDING INGREDIENTS / C08L COMPOSITIONS OF MACROMOLECULAR COMPOUNDS , Massen auf Basis makromolekularer Verbindungen



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