It is an object of the present invention to provide a heavy-duty tire with improved chipping resistance on a surface of a rough road. Provided is a heavy-duty tire (1) comprising a tread part (2) that comprises a first layer (4) constituting a tread surface, and a second layer (5) located inside the first layer, wherein the tread surface comprises a plurality of main grooves (7, 8) extending continuously in a tire circumferential direction, lateral grooves (9) extending from the plurality of main grooves in a tire axial direction, and blocks (10) partitioned off by the main grooves and the lateral grooves, wherein the each of the blocks comprises a sipe (11), wherein, when a depth (mm) of the sipe is referred to as D and a thickness (mm) of the first layer is referred to as H, D and H satisfy the following inequality, D / H ≤ 0.95 (1), and wherein a rubber composition constituting the first layer comprises a rubber component comprising an isoprene-based rubber, and a filler comprising carbon black and silica.


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    Title :

    HEAVY-DUTY TIRE


    Additional title:

    SCHWERLASTREIFEN
    PNEU POUR POIDS LOURDS


    Contributors:

    Publication date :

    2024-01-03


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    B60C VEHICLE TYRES , Fahrzeugreifen



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