Patent ID: 6418992
Filing Date: 2002-07-16
Classification: B60B,B60C,Y10S,Y10T

Abstract:
A tire intended to be mounted on a rim having at least one seat, the generatrix of which has an axially outer end closer to the axis of rotation than the axially inner end thereof, said tire comprising two sidewalls and two beads, at least one of said beads being terminated axially to the outside by a tip and intended to be mounted on said at least one seat, and a radial carcass reinforcement, anchored in each bead to at least one reinforcement ring, characterized by the fact that, seen in meridian section, the meridian profile of the carcass reinforcement, when the tire is mounted on its service rim and inflated to its service pressure, has a constant direction of curvature in the at least one bead which is terminated by the tip, said at least one bead, of usual axial width, having a bead seat the generatrix of which has its axially outer end closer to the axis of rotation than its axially inner end, said generatrix being extended axially to the outside by an outer face delimiting the bead tip, said face forming with the axis of rotation an angle &ggr;, open radially and axially towards the outside, of less than 90Â°, the seats of the beads having different diameters.