A W3 of a third belt of a belt layer arranged between a carcass and a tread portion is 65% to 85% of a tire maximum width Wm and a W4 of a fourth belt is 55% to 75% of the tire maximum width Wm. A metal cord adopted in a metal cord-rubber composite forming each of the third belt and the fourth belt is formed such that N atoms in a surface thereof is set in a range between 2 atom % and 60 atom % of and a Cu/Zn ratio in the surface is set in a range between 1 and 4. A rubber composition that coats the metal cord includes 1 part by mass to 15 parts by mass of silica and 0 parts by mass to 1 part by mass of cobalt-containing compound based on 100 parts by mass of a rubber component.


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    Title :

    HEAVY LOAD TIRE


    Contributors:

    Publication date :

    2020-03-05


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    B60C VEHICLE TYRES , Fahrzeugreifen



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