Abstract: A tire has a carcass reinforcement ply, anchored within each bead by winding around an annular element whose tensile strength is less than the tensile strength necessary for a bead wire of a conventional tire of the same dimension, and an assembly of at least two textile bead reinforcement layers arranged in contact with the annular element, wherein the annular element has a tensile strength of between 3 and 5 times the tension imparted to the carcass reinforcement by the recommended inflation pressure, and an elongation at break between 2 and 6%, all the reinforcement layers having a tensile strength of between 0.5 and 1 time the tensile strength of the annular element, and the total of the tensile strengths of the annular element and of the assembly of the reinforcement layers being between 6 and 8 times the tension imparted to the carcass reinforcement.

Abstract: A tire (1) comprising, viewed in meridian section, two beads (12) with generatrices which are inclined towards the outside, the upturn (130) of said reinforcement (13) being formed by the lateral (30) and radially inner (32) sides of a wedge-shaped profiled element (3) of high Shore A hardness and having an end located firstly axially to the outside of a straight line P2 perpendicular to the axis of rotation and passing through the center of gravity of the annular anchoring element (14) and secondly axially to the inside and radially to the outside of the straight line P1 passing through said center of gravity and forming with the axis of rotation an angle of between 30° and 60°, and the ratio e1/e2 of the thickness e1 between the carcass reinforcement upturn (130) and the annular anchoring element (14) to the thickness e2 between the carcass reinforcement upturn (130) and the outer wall of the bead, measured on the straight line P1, satisfying the relationship: 0.05≦e1/e2<1.0.

Abstract: A tire (1) having a radial carcass reinforcement (13) comprising, viewed in meridian section, two beads (12) with generatrices which are inclined towards the outside, the upturn (130) of said reinforcement (13) being formed by the lateral (30) and radially inner (32) sides of a wedge-shaped profiled element (3) of high Shore A hardness and having an end located firstly axially to the outside of a straight line P2 perpendicular to the axis of rotation and passing through the center of gravity of the annular anchoring element (14) and secondly axially to the inside and radially to the outside of the straight line P1 passing through said center of gravity and forming with the axis of rotation an angle of between 30° and 60°, at least one of the profiled elements (6, 7) of rubber mixes, between the carcass reinforcement (13) and its upturn (130) and radially above the annular element (14) and the wedge-shaped profiled element (3) having a Shore A hardness at least equal to the hardness of the rubber mix f

Abstract: A tire with a carcass reinforcement ply, anchored within each bead by winding around an annular element, the tensile strength of which is less than the tensile strength of a conventional tire bead wire of the same dimension, and an assembly of at least two textile bead reinforcement layers which are arranged in contact with the annular element, wherein the annular element is metallic, has a tensile strength of between 3 and 5 times the tension imparted to the carcass reinforcement by the recommended inflation pressure, and the elongation at break of which is at least equal to 6%, all the reinforcement layers formed of elements of aromatic polyamide having a tensile strength of between 0.5 and 1 time the tensile strength of the annular element, and the total of the tensile strengths of the annular element and of the assembly of the reinforcement layers being between 6 and 8 times the tension imparted to the carcass reinforcement.

Abstract: A tire having two beads and a radial carcass reinforcement, each bead having no anchoring bead wire and being reinforced by an armature including at least two plies turned up over themselves to form four reinforcement layers axially close to one another, the two axially innermost layers being composed of elements parallel to one another from one layer to the next, and the two layers axially at the center being composed of elements crossed from one layer to the next, and the reinforcement layers have their radially outer edges positioned within the bead at different heights such that any annular strip of the reinforcement armature of the bead, having at least two layers of reinforcement elements and located 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.

Abstract: A tire with radial carcass reinforcement having two beads, the carcass reinforcement extending from one bead to the other, each bead having no anchoring bead wire and being reinforced by an armature including at least two plies (2) and (3) turned up over themselves to form four reinforcement layers (21, 31, 32, 22) axially close to one another, the two axially innermost layers (21, 31) being composed of elements parallel to one another from one layer (21) to the next (31), and the two layers (31, 32) axially at the center of the reinforcement being composed of elements crossed from one layer (31) to the next (32), such that the said elements make with the circumferential direction an angle &agr; such that 0°<&agr;≦10°, and the reinforcement layers (21, 22, 31, 32) have their radially outer edges positioned within the bead at different heights H21, H22, H31, H32, such that any annular strip of the reinforcement armature of the bead, having at least two layers of reinforcement elements and located