Abstract: A tire having a crown reinforcement formed of at least two working crown layers having unequal axial widths, a layer C of rubber mixture being positioned between at least the ends of the said at least two working crown layers, and the crown reinforcement having at least one layer of circumferential reinforcing elements positioned radially between two working crown layers. The distance d between the end of the axially narrowest working layer and the working layer separated from the axially narrowest working layer by the layer C of rubber mixture is such that 1.1ø<d<2.2ø, ø being the diameter of the reinforcing elements of the said at least one layer of circumferential reinforcing elements, and, in a meridian plane, the thickness of the layer C of rubber mixture is substantially uniform.

Abstract: Tire having a radial carcass reinforcement anchored in each bead by an upturn around a bead wire, reinforced by at least one layer of reinforcing elements turned up around the bead wire, one end of said at least one layer of reinforcing elements being axially on the outside of the carcass reinforcement upturn and radially on the inside of the end of said upturn, the other end turned up around the bead wire being axially on the inside of the carcass reinforcement. The reinforcing elements are non-wrapped metal cords with saturated layers, having, in a permeability test, a flow rate of less than 5 cm3/min and the distance between the end, axially on the outside of the carcass reinforcement upturn, of said at least one layer of reinforcing elements turned up around the bead wire and the end of the carcass reinforcement upturn is less than 5 mm.

Abstract: A tire having a crown reinforcement formed of at least two working crown layers having unequal axial widths, a layer C of rubber mixture being positioned between at least the ends of the said at least two working crown layers, and the crown reinforcement having at least one layer of circumferential reinforcing elements positioned radially between two working crown layers. The distance d between the end of the axially narrowest working layer and the working layer separated from the axially narrowest working layer by the layer C of rubber mixture is such that 1.1ø?d?2.2ø, ø being the diameter of the reinforcing elements of the said at least one layer of circumferential reinforcing elements, and, in a meridian plane, the thickness of the layer C of rubber mixture is substantially uniform.

Abstract: A tire having a crown reinforcement formed of at least two working crown layers each formed of reinforcing elements inserted between two calendaring layers of rubber compound, crossed from one layer to the other making angles of between 10° and 45° with the circumferential direction and the crown reinforcements comprising at least one layer of circumferential reinforcing elements. The elastic modulus under 10% tensile strain of at least one calendaring layer of at least one working crown layer is less than 8.5 MPa and the maximum value of tan(?), denoted tan(?)max, of said at least one calendaring layer of at least one working crown layer is less than 0.100.

Abstract: A tire having a crown reinforcement formed of at least two working crown layers of reinforcing elements, a first layer C of rubber mixture being positioned between at least the ends of the said at least two working crown layers, and the crown reinforcement having at least one layer of circumferential metal reinforcing elements. The tensile modulus of elasticity at 10% elongation of the first layer C of rubber mixture is less than 8 MPa and the maximum tan(?) value, denoted tan(?)max, of the first layer C of rubber mixture is less than 0.100.

Abstract: The invention relates to a tire comprising a crown reinforcement formed of at least two working crown layers of reinforcing elements, and of at least one layer of circumferential reinforcing elements. According to the invention, the reinforcing elements of the said at least two working crown layers have a diameter less than 1.1 mm and satisfy the following relationships: (Fr×4 cos2 ?)/(P×0.75×Ø)<5, Fr1/(P1×sin|?1|)?1.2 Fr2/(P2×sin|?2|).

Abstract: The invention relates to a tire having a radial carcass reinforcement, consisting of at least one layer of reinforcing elements anchored in each of the beads by an upturn around a bead wire, said carcass reinforcement upturn being reinforced by at least one layer of reinforcing elements or stiffener, the radially outer end of which is radially on the outside of the end of the upturn. According to the invention, the reinforcing elements of at least one stiffener are non-wrapped metal cords with saturated layers, having, in what is called the permeability test, a flow rate of less than 5 cm3/min, the radially inner end of said stiffener being radially on the inside of the point of the bead wire which is radially closest to the axis of rotation and the modulus of elasticity of the polymer blends of the calendering layers of the carcass reinforcement being less than or equal to 8 MPa.

Abstract: The invention relates to a tire having a radial carcass reinforcement, consisting of at least one layer of reinforcing elements anchored in each of the beads by an upturn around a bead wire, said carcass reinforcement upturn being reinforced by at least one layer of reinforcing elements or stiffener, the radially outer end of which is radially on the outside of the end of the upturn. According to the invention, the reinforcing elements of at least one stiffener are non-wrapped metal cords with saturated layers, having, in what is called the permeability test, a flow rate of less than 5 cm3/min and the modulus of elasticity of the layer of polymer blend in contact with the carcass reinforcement upturn and separating the stiffener from the end of the carcass reinforcement upturn is greater than 4 MPa.

Abstract: The invention relates to a tire having a radial carcass reinforcement, consisting of at least one layer of reinforcing elements anchored in each of the beads by an upturn around a bead wire, said carcass reinforcement upturn being reinforced by at least one layer of reinforcing elements or stiffener. According to the invention, the reinforcing elements of at least one stiffener are non-wrapped metal cords with saturated layers, having, in what is called the permeability test, a flow rate of less than 5 cm3/min and the thickness of the polymer blends separating the stiffener from the end of the carcass reinforcement upturn is strictly less than 3.5 mm.

Abstract: The invention relates to a tire having a radial carcass reinforcement, consisting of at least one layer of reinforcing elements anchored in each of the beads by an upturn around a bead wire, said carcass reinforcement upturn being reinforced by at least one layer of reinforcing elements or stiffener, the radially outer end of which is radially on the outside of the end of the upturn. According to the invention, the reinforcing elements of at least one stiffener are non-wrapped metal cords with saturated layers, having, in what is called the permeability test, a flow rate of less than 5 cm3/min and the distance between the radially outer end of the stiffener and the end of the carcass reinforcement upturn is less than 5 mm.

Abstract: A cable is disclosed that can be used to reinforce a crown protection ply and/or a stiffener (9) in tires for heavy industrial vehicles. Also disclosed are composite fabrics that can be used as crown protection plies and/or as stiffeners (9) in such tires, and the tires themselves. The cable comprises three strands twisted together in helix of pitch p2, each consisting of two metallic wires twisted together in helix of pitch p1, these wires having diameters (d1, d2), (d1?, d2?), (d1?, d2?) for the strands, respectively, such that the cable satisfies the following conditions: (i) 0.25 < d1 < 0.45 (ii) 0.25 < d2 < 0.45 (iii) 0.25 < d1? < 0.45 (iv) 0.25 < d2? < 0.45 (v) 0.25 < d1? < 0.45 (vi) 0.25 < d2? < 0.45 (vii) 2 < p1 < p2 < 10.

Abstract: A cable is disclosed that can be used to reinforce a crown protection ply and/or a stiffener (9) in tires for heavy industrial vehicles. Also disclosed are composite fabrics that can be used as crown protection plies and/or as stiffeners (9) in such tires, and the tires themselves. The cable comprises three strands twisted together in helix of pitch p2, each consisting of two metallic wires twisted together in helix of pitch p1, these wires having diameters (d1, d2), (d1?, d2?), (d1?, d2?) for the strands, respectively, such that the cable satisfies the following conditions: (i) 0.25 < d1 < 0.45 (ii) 0.25 < d2 < 0.45 (iii) 0.25 < d1? < 0.45 (iv) 0.25 < d2? < 0.45 (v) 0.25 < d1? < 0.45 (vi) 0.25 < d2? < 0.

Abstract: A tire for vehicles carrying heavy loads, comprising in at least one bead an additional reinforcement composed of a plurality of discontinuous reinforcing elements, these discontinuous reinforcing elements being orientated essentially circumferentially to form a plurality of circles C, C1, C2 concentric on the rotation axis of the tire mounted on its rim, each circle being defined by a mean radius (R, R1, R2) measured relative to the said rotation axis.

Abstract: A tire for vehicles carrying heavy loads, comprising in at least one bead an additional reinforcement composed of a plurality of discontinuous reinforcing elements, these discontinuous reinforcing elements being orientated essentially circumferentially to form a plurality of circles C, C1, C2 concentric on the rotation axis of the tire mounted on its rim, each circle being defined by a mean radius (R, R1, R2) measured relative to the said rotation axis, and wherein each discontinuous reinforcing element of length L0 located on a circle C of radius R is mechanically coupled over coupling lengths L11 and L12 with two discontinuous reinforcing elements located on a circle C1 of radius R1, this circle being immediately adjacent to the circle C, the coupling length L11 being between 55 and 75% of L0 and the coupling length L12 being between 10 and 30% of L0; each discontinuous reinforcing element on the same circle C of radius R is mechanically coupled over coupling lengths L21 and L22 with two discontinuous r