The invention relates to a tire (1) having a crown reinforcement (3) that includes, radially from the outside to the inside: a protective reinforcement (5) including two protective layers (51, 52) that include resilient metal reinforcements which are mutually parallel in each layer and intersect from one layer to the next, thus forming respective angles A1 and A2 with the circumferential direction (YY'); a working reinforcement (6) including two working layers (61, 62) that include non-resilient metal reinforcements which are mutually parallel in each layer and intersect from one layer to the next, thus forming respective angles B1 and B2 with the circumferential direction (YY'); and, potentially, an additional reinforcement (7) including two additional layers (71, 72) that include non-resilient metal reinforcements which are mutually parallel in each layer and intersect from one layer to the next, thus forming respective angles C1 and C2 with the circumferential direction (YY'), which are at most equal to 15 DEG . According to the invention, angle B1, formed by the metal reinforcements of the first working layer (61) with the circumferential direction (YY'), is non-zero and at most equal to 35 DEG , and angle B2, formed by the metal reinforcements of the second working layer (62) with the circumferential direction (YY'), is at least equal to 70 DEG and strictly less than 90 DEG .


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    Titel :

    Tire crown for heavy civil engineering vehicle


    Beteiligte:

    Erscheinungsdatum :

    2015-08-26


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Englisch


    Klassifikation :

    IPC:    B60C VEHICLE TYRES , Fahrzeugreifen



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