A hoop reinforcement is provided for a tire for a heavy vehicle of construction plant type. 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 formed by a circumferential winding, in the circumferential direction (XX′), of a ply of metallic reinforcers (8) forming an angle at most equal to 2.5° with the circumferential direction (XX′), extending from an initial radially inner end (81) to a final radially outer end (82), forming a spiral, such that the hoop reinforcement (7) comprises at least two hooping layers (71, 72) around the entire circumference and at least three hooping layers (71, 72, 73) over an angular sector A, delimited by the initial and final ends (81, 82), respectively, of the hoop reinforcement (7). The hoop reinforcement (7) comprises at least one discontinuity (9) positioned circumferentially between the initial end (81) and final end (82), respectively, and any discontinuity (9) is positioned circumferentially, with respect to the initial or final end (81, 82), forming an angle (B1, B2) at least equal to 90°.


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    Titel :

    HOOPING REINFORCEMENT FOR A TIRE OF A HEAVY DUTY CIVIL ENGINEERING VEHICLE


    Beteiligte:

    Erscheinungsdatum :

    05.03.2020


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Englisch


    Klassifikation :

    IPC:    B60C VEHICLE TYRES , Fahrzeugreifen



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