Runflat tire with improved uninflated handling

Details Runflat tire with improved uninflated handling Runflat tire with improved uninflated handling

B - Operations, Transporting

60

C

B60C 17/00 (2006.01) B60C 9/04 (2006.01) B60C 9/18 (2006.01) B60C 9/20 (2006.01) B60C 9/22 (2006.01) B60C 11/00 (2006.01) B60C 15/00 (2006.01) B60C 15/04 (2006.01) B60C 15/06 (2006.01)

Patent

CA 2291220

A runflat pneumatic tire (1, 2, 3, 4, 5 and 6) has a tread stiffening member (101) radially inward of the tread (12). The tire has a deflected section height H30 under load at 30 psi inflation and a deflected section height H0 at 0 psi wherein the deflection D30 are equal to or less than D0 - D30 and the net contact area at 0 psi has a perimeter dynamic contact of at least U shaped or rectangular.

La présente invention concerne un pneumatique (1, 2, 3, 4, 5, et 6) pouvant rouler à plat, comprenant un élément de rigidification (101) de bande de roulement placé radialement à l'intérieur de ladite bande de roulement (12). Le pneumatique présente une hauteur de section d'écrasement H¿30? sous charge à un gonflage de 30 psi et une hauteur de section d'écrasement H¿0? à 0 psi dans laquelle l'écrasement D¿30? est égal ou inférieur à D¿0? - D¿30? et la zone de contact net à 0 psi présente un contact dynamique périmétrique d'une forme au moins en U ou rectangulaire.

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