A tyre for heavy load vehicle wheels includes a carcass structure, a belt structure arranged in a radially outer position with respect to the carcass structure, and a tread band arranged in a radially outer position with respect to the belt structure. The belt structure includes a plurality of reinforcing cords, wherein each cord includes a core made of non-metallic material, and a plurality of metallic wires substantially parallel to one another and helically wound around said core with a predetermined winding pitch. The metallic wires are arranged around the core so that, in any cross section of the cord, they are located at just an angular portion of an ideal circumference that circumscribes the core. The cord, when subjected to variable loads of between 10% and 40% of the ultimate tensile strength thereof, undergoes an elongation that varies according to a curve having, in a load-percentage elongation graph, a linear correlation coefficient lower than about 0.990, the points of said curve being interpolated by a straight line having an angular coefficient lower than about 30. The reinforcing cords can be provided in a stone-guard layer and/or in the main belt layers of the belt structure.


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    Titel :

    TYRE FOR HEAVY LOAD VEHICLE WHEELS


    Beteiligte:

    Erscheinungsdatum :

    2016-11-03


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Englisch


    Klassifikation :

    IPC:    B60C VEHICLE TYRES , Fahrzeugreifen



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