Abstract: The invention relates to a tire (1) comprising a crown reinforcement formed of two working crown layers (41, 43), the calendering layers of which comprise carbon black, and of a layer of circumferential reinforcing elements (42). According to the invention, the reinforcing elements of the working crown layers (41, 43) are metal cords having a diameter of less than 1.3 mm, at least one thread of each metal cord of at least one working crown layer is of at least UHT grade, the tensile elastic modulus at 10% elongation of at least the radially outermost calendering layer of at least the radially outermost working crown layer (43) is less than 8.5 MPa and at least said radially outermost calendering layer of at least the radially outermost working crown layer (43) has a macrodispersion Z value of greater than 85.

Abstract: The tire includes a crown reinforcement which is formed of three working crown layers of reinforcing elements. The reinforcing elements of the two radially outermost working layers are crossed from one layer to the other, making with the circumferential direction angles of between 20 and 45° the circumferential direction, of the reinforcing elements of the radially innermost working layer being between 15 and 20°. The reinforcing elements of the two radially innermost working layers are oriented in the same direction with respect to the circumferential direction. The difference between the angles of the reinforcing elements of the radially innermost working layers is greater than 10°. The widths of the two radially outermost working layers are greater than the 0.7 times the width of the tread, and the width of the radially innermost working layer is strictly less than 0.7 times the width of the tread.

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 with a radial carcass reinforcement comprising a crown reinforcement, itself radially capped by a tread strip, the said tread strip being connected to two beads via two sidewalls, the carcass reinforcement being anchored in each of the beads to form an anchorage region. The tire additionally comprises, in part of at least each of the anchorage regions, at least two layers formed by circumferential winding of a complex strip formed of two layers consisting of continuous reinforcing elements passing from one layer to the other, the said reinforcing elements being parallel within a layer and crossed from one layer to the other at angles with respect to the circumferential direction that are identical in terms of absolute value.

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, 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: 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: A tire with a radial carcass reinforcement comprising a crown reinforcement, itself radially capped by a tread strip, the said tread strip being connected to two beads via two sidewalls, the carcass reinforcement being anchored in each of the beads to form an anchorage region. The tire additionally comprises, in part of at least each of the anchorage regions, at least two layers formed by circumferential winding of a complex strip formed of two layers consisting of continuous reinforcing elements passing from one layer to the other, the said reinforcing elements being parallel within a layer and crossed from one layer to the other at angles with respect to the circumferential direction that are identical in terms of absolute value.