Tire (10) comprising a tread (40) having a mean radial height HB, an outer edge (45) and an inner edge (46), the axial distance between the outer edge (45) and the inner edge (46) defining the axial width L of the tread, the tread comprising a first portion (411) made of a first rubber compound, extending from the outer edge (45) to a first axial position at an axial distance from the outer edge of between 20% and 40% of the axial width; a second portion (412) made of a second rubber compound, extending from said first axial position to a second axial position at an axial distance from the outer edge of between 50% and 60% of the axial width L; a third portion (413) made of a third rubber compound extending from said second axial position to a third axial position at an axial distance from the outer edge of between 80% and 90% of the axial width L; and a fourth portion (414) made of a fourth rubber compound, extending from said third axial position to the inner edge (46) of the tread, wherein said first and third rubber compounds are predominantly filled with carbon black filler, wherein said second and fourth rubber compounds are predominantly filled with non carbon black filler, and wherein said first rubber compound and said third rubber compound have a value for tan δ at 0° C., at a stress of 0.7 MPa, that is lower than that of said second rubber compound and said fourth rubber compound.


    Access

    Download


    Export, share and cite



    Title :

    Tire with improved tread


    Contributors:

    Publication date :

    2016-04-05


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    B60C VEHICLE TYRES , Fahrzeugreifen



    TIRE TREAD WITH IMPROVED TREAD ELEMENT EDGE

    QU ZUQING | European Patent Office | 2015

    Free access

    Tire With Improved Tread

    BOURGEOIS FRÉDÉRIC / BRUNEAU FRANÇOIS-XAVIER / FRAYSSE PATRICE et al. | European Patent Office | 2017

    Free access

    Tire with improved tread

    MUHLHOFF OLIVIER / IGIER EMMANUEL / FAURE JEAN-CLAUDE | European Patent Office | 2017

    Free access

    Tire tread with improved tread element edge

    QU ZUQING | European Patent Office | 2015

    Free access

    TIRE WITH IMPROVED TREAD

    FAURE JEAN-CLAUDE / IGIER EMMANUEL / MANGERET JEAN-LUC | European Patent Office | 2018

    Free access