Method of designing a tire for the steered axle of a heavy goods vehicle, having a nominal sidewall height F, having a tread in the new state having a maximum total width Lo for maximum contact with the ground and provided with at least four circumferential grooves each extending between the tread surface and a groove bottom, these grooves delimiting three intermediate ribs and two edge ribs axially bounding the tread, each edge rib having two lateral walls, one of which, known as the internal lateral wall, having a height PREp measured with respect to the bottom of the groove delimiting the edge rib, this internal lateral wall having, when viewed in section on a plane containing the axis of rotation, an inclination DEp, each edge rib having a width LEp greater than the width of each of the intermediate ribs, by iteratively determining values for the dimensions LEp, PREp and DEp that satisfy the following relationship: P(LEp, DEp, PREp)<1.105769231×F, with P(LEp, DEp, PREp)=−303.528−2.00675×LEp+10.2755×DEp+81.0414×PREp−0.052551×LEp2−0.0825991×LEp×DEp+0.225564×LEp×PREp−0.111262×DEp2−0.209215×DEp×PREp−2.5831×PREp2. Also, the tire having edge rib widths and lateral wall angles thus determined.


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    Titel :

    Method of designing a tire, and tire


    Beteiligte:

    Erscheinungsdatum :

    2015-12-15


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Englisch


    Klassifikation :

    IPC:    G01M TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES , Prüfen der statischen oder dynamischen Massenverteilung rotierender Teile von Maschinen oder Konstruktionen / B60C VEHICLE TYRES , Fahrzeugreifen / G06F ELECTRIC DIGITAL DATA PROCESSING , Elektrische digitale Datenverarbeitung



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