Patent ID: 6505663
Filing Date: 2003-01-14
Classification: B60C,Y10T

Abstract:
A tire in which a radial carcass reinforcement is overlaid radially by a crown reinforcement, itself radially covered by a tread, and connected by two side walls to two beads, each of which has no anchoring bead wire, and with the said carcass reinforcement extending from one bead to the other, characterized in that:each bead is reinforced by an armature comprising at least two plies turned up over themselves to form four reinforcement layers axially close to one another, each of the said layers comprising reinforcement elements parallel to one another within each layer and making with the circumferential direction an angle &agr; such that 0Â°21, H22, H31, H32, such that any annular strip of the reinforcement armature of the bead, comprising at least two layers of reinforcement elements and lying between two parallels to the rotation axis of the tire, is formed of at least two layers of reinforcement elements crossed from one layer to the next.