Crown of a tire for a heavy vehicle that is desensitized to attacks. The tire (1) comprises tread (2) having a median degree of surface siping TLC, expressed in m/m2, equal to the ratio between the cumulative length LDC of the cuts (21), present in a median portion of tread of axial width WC, and the median area AC of the radially outer surface (23) of the tread (2), and protective reinforcement (4) comprising at least two protective layers (41, 42) that are formed of elastic metallic reinforcers and have a maximum breaking strength Rmax, expressed in daN/m, such that the median degree of surface siping TLC of tread (2) is at least equal to 5 m/m2 and a coupling ratio CC, equal to the ratio between the maximum breaking strength Rmax and the median degree of surface siping TLC, is at least equal to 18 000 daN.


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    Title :

    SOMMET DE PNEUMATIQUE POUR VEHICULE LOURD DE TYPE GENIE CIVIL


    Additional title:

    TYRE CROWN FOR A HEAVY DUTY CIVIL ENGINEERING VEHICLE
    REIFENLAUFFLÄCHE FÜR EIN SCHWERLASTFAHRZEUG FÜR DEN TIEFBAU


    Contributors:

    Publication date :

    2020-08-12


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    French


    Classification :

    IPC:    B60C VEHICLE TYRES , Fahrzeugreifen



    SOMMET DE PNEUMATIQUE POUR VEHICULE LOURD DE TYPE GENIE CIVIL

    SPINNLER OLIVIER / NUGIER FRANCK / DOMINGO ALAIN | European Patent Office | 2017

    Free access

    SOMMET DE PNEUMATIQUE POUR VÉHICULE LOURD DE TYPE GÉNIE CIVIL

    SPINNLER OLIVIER / NUGIER FRANCK / DOMINGO ALAIN | European Patent Office | 2017

    Free access

    SOMMET DE PNEUMATIQUE POUR VEHICULE LOURD DE TYPE GENIE CIVIL

    SEJALON OLIVIER | European Patent Office | 2017

    Free access

    SOMMET DE PNEUMATIQUE POUR VEHICULE LOURD DE TYPE GENIE CIVIL

    SEJALON OLIVIER | European Patent Office | 2017

    Free access

    SOMMET DE PNEUMATIQUE POUR VEHICULE LOURD DE TYPE GENIE CIVIL

    SEJALON OLIVIER | European Patent Office | 2016

    Free access