Tire having a tread comprising at least two grooves of generally circumferential orientation, a plurality of transverse grooves (6), each transverse groove culminating in openings into two circumferential grooves, the circumferential and transverse grooves having appropriate cross sections for allowing, when running, a flow of liquid present on the road surface, a plurality of closing devices located in these grooves, each closing device closing at least partly the cross section of a groove, each closing device delimiting, with one end of a transverse groove, a length of groove LR of between half and three-quarters of the length of circumferential groove in contact, the length measured under nominal conditions of load and pressure, this tire being characterized in that each closing device is designed to flex and open the section of groove in which it is placed, under the action of a flow of liquid so as to allow the said liquid to flow when running on a water-covered road surface.


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    Title :

    Sound supressing device for a tire tread


    Contributors:

    Publication date :

    2015-11-10


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    B60C VEHICLE TYRES , Fahrzeugreifen



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