To provide a heavy duty tire improved in low fuel consumption performance, wet grip performance, wear resistance performance, and chipping resistance performance in a well-balanced manner.SOLUTION: The heavy duty tire includes a tread which comprises a rubber composition containing 50 pts.mass or more of silica having a nitrogen adsorption specific surface area (N2SA) of 175 m2/g or more based on 100 pts.mass of a rubber component containing an isoprene rubber and at least one of a styrene-butadiene rubber and a butadiene rubber and in which the difference between the area ratio S1 of circumferential grooves to a ground contact area and the area ratio S2 of lateral grooves to the ground contact area is 3.0% or more.SELECTED DRAWING: Figure 1


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    Titel :

    HEAVY DUTY TIRE


    Weitere Titelangaben:

    SCHWERLASTREIFEN
    PNEU POUR POIDS LOURD


    Beteiligte:
    HIMEDA SHINGO (Autor:in) / HABA TOSHIFUMI (Autor:in)

    Erscheinungsdatum :

    2022-05-04


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Englisch


    Klassifikation :

    IPC:    B60C VEHICLE TYRES , Fahrzeugreifen



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