Patent ID: 6598644
Filing Date: 2003-07-29
Classification: B60C,Y10T

Abstract:
A tire having at least one bead with a seat inclined towards the outside and a radial carcass reinforcement wound within said bead around an anchoring bead wire from the heel to the toe of the bead B to form an upturn, the edge of said upturn, viewed in meridian section, being located on the radially outer face of a profiled element of rubber mix, said profiled element being axially and externally adjacent to the bead wire, and having, viewed in meridian section, the shape of a drop of water with an apex A located beneath the section of the bead wire, and a Shore A hardness greater than the Shore A hardness(es) of the rubber mixes located axially and radially above the bead wire/profiled element assembly, wherein the carcass reinforcement upturn is extended by a reinforcement armature which surrounds said profiled element and which is turned up about the bead wire, the upturn of the carcass reinforcement and said reinforcement armature overlapping over an axial distance L at least equal to half the axial width of the bead seat, and the radial distance between respective reinforcement elements of the carcass reinforcement and the reinforcement armature being at least equal to 0.6 mm.