The manufacturing cost of a hoop reinforcement of a tire for a heavy vehicle of construction plant type is reduced. The crown reinforcement (3) of the tire (1), radially on the inside of a tread (2), comprises a protective reinforcement (6), a working reinforcement (5) and a hoop reinforcement (7). The hoop reinforcement (7) is made up of at least two hooping layers (71, 72), each hooping layer (71, 72) comprising metallic reinforcers that are coated in an elastomeric coating material and form an angle at most equal to 2.5° with the circumferential direction (XX′). Each hooping layer (71, 72) is formed by a circumferential winding in a ring, in the circumferential direction (XX′), of at least one portion of a ply of metallic reinforcers (81, 82), extending from an initial end (811, 821) to a final end (812, 822), such that the hooping layer (71, 72) comprises at least one discontinuity (91, 92).


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    Title :

    ARMATURE DE FRETTAGE D'UN PNEUMATIQUE POUR VEHICULE LOURD DE TYPE GENIE CIVIL


    Additional title:

    HOOPING REINFORCEMENT FOR A TYRE OF A HEAVY DUTY CIVIL ENGINEERING VEHICLE
    UMREIFUNGSVERSTÄRKUNG FÜR EINEN REIFEN EINES SCHWERLASTBAUFAHRZEUGS


    Contributors:

    Publication date :

    2020-09-09


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    French


    Classification :

    IPC:    B60C VEHICLE TYRES , Fahrzeugreifen



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    Free access

    ARMATURE DE FRETTAGE D'UN PNEUMATIQUE POUR VEHICULE LOURD DE TYPE GENIE CIVIL

    DOMINGO ALAIN / LE CHENADEC ELODIE | European Patent Office | 2018

    Free access