Tread for a civil engineering tire, provided with circumferential grooves and transverse grooves, having two edge rows provided with a plurality of blocks, which in pairs delimiting a groove of transverse overall orientation opening both onto a circumferential groove and to the outside of the tread, each block having a contact face to contact the ground, two lateral faces—an external lateral face and an internal lateral face, a front face and a rear face, intersecting the contact face along a front edge corner and a rear edge corner, the blocks formed such that their external lateral faces lie the same distance from an equatorial plane that divides the tread into two equal halves wherein the width of the transverse grooves increases progressively at least from a non-zero distance measured from a plane parallel to the equatorial plane through the axially outermost points of the external lateral faces of the blocks wherein the maximum increase in width of a transverse groove is at least equal to 20% and at most equal to 50% of the maximum circumferential length Lc of each block.


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    Titel :

    Civil engineering tire tread


    Beteiligte:

    Erscheinungsdatum :

    2019-06-04


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Englisch


    Klassifikation :

    IPC:    B60C VEHICLE TYRES , Fahrzeugreifen



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