Provide is a pneumatic radial tire having excellent durability and lightweight properties without compromising rigidity. A pneumatic radial tire comprises: a carcass composed of at least one carcass layer extending toroidally between a left-and-right pair of bead cores; a tread portion which is arranged on the outside in the tire radial direction of a crown region of the carcass to form a ground contacting portion; and a belt composed of two belt layers which is arranged between the tread portion and the crown region of the carcass to form a reinforcing portion. A reinforcing material constituting the belt layer is a bundle 6 formed by arranging two cords in pairs; and, letting the diameter of a filament 7 constituting the cord a (mm), the interval between the adjacent bundles 6 as an expected value is increased by a/4 (mm) or larger compared to the interval represented by using the circumcircle of the cord.


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    Titel :

    PNEUMATIC RADIAL TIRE


    Weitere Titelangaben:

    RADIALLUFTREIFEN
    PNEU À CARCASSE RADIALE


    Beteiligte:

    Erscheinungsdatum :

    2018-02-21


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Englisch


    Klassifikation :

    IPC:    B60C VEHICLE TYRES , Fahrzeugreifen / D07B ROPES OR CABLES IN GENERAL , Seile oder Kabel allgemein



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