Abstract: A tire having a crown, two sidewalls and two beads, a carcass reinforcement anchored in the two tire beads and a belt reinforcement, the belt reinforcement including at least two superposed reinforcing plies formed by cords parallel in each ply and criss-crossed from one to the other forming with the circumferential direction angles (?, ?) ranging between 10° and 70° and characterized in that, there is provided, between the two superposed reinforcing plies, at least two axially adjacent rubber decoupling layers with different mechanical properties and in that each of the two rubber decoupling layers is in contact with the cords of the two superposed reinforcing layers.

Abstract: A tire comprising a crown, two sidewalls and two beads, a casing reinforcement anchored in each of the beads and a crown reinforcement, the crown reinforcement comprising radially, from the inside outwards, a working block and a protective block having at least one ply of circumferentially oriented parallel reinforcing threads, characterized in that the protective block ply consists of aromatic polyamide reinforcing threads with an initial modulus of less than 1000 cN/tex and a tenacity of greater than 65 cN/tex.

Abstract: A tire comprising a crown, two sidewalls and two beads, a carcass reinforcement anchored in each of the beads and a crown reinforcement. The carcass reinforcement comprises at least two circumferential alignments of first reinforcing threads of high elasticity modulus, each circumferential alignment of the first reinforcing threads being, within each bead, bordered axially inwardly and axially outwardly by second reinforcing threads, oriented substantially circumferentially, of a modulus greater than or equal to that of the first reinforcing threads. The first reinforcing threads and second reinforcing threads are separated by a layer of mix of very high elasticity modulus. Considering ?RI as being the total of the rigidities of extension of the second reinforcing threads arranged axially inwardly relative to the carcass reinforcement and considering ?RE as being the total of the rigidities of extension of the second reinforcing threads arranged axially on either side of the carcass reinforcement, then: 0.

Abstract: A tire comprising a crown, two sidewalls and two beads, a carcass reinforcement anchored in each of the beads and a crown reinforcement. The carcass reinforcement comprises at least two circumferential alignments of first reinforcing threads of high elasticity modulus, each circumferential alignment of the first reinforcing threads being, within each bead, bordered axially by second reinforcing threads oriented substantially circumferentially. The first reinforcing threads and the second reinforcing threads are separated by a layer of mix of very high elasticity modulus. The second reinforcements are arranged in a spiral and formed of monofilaments or unit threads of steel.

Abstract: A tire includes two beads and a carcass reinforcement anchored in the beads. The carcass reinforcement has at least two circumferential alignments of first reinforcing threads. Each such circumferential alignment is, within each bead, bordered axially inwardly and outwardly by second circumferential reinforcing threads having an elasticity modulus at least equal to that of the first threads. The first and second threads are separated by a rubber mix of high elasticity modulus. The outer surface of each bead includes a seat which includes an arc-shaped wall section having a geometrical center arranged axially outwardly relative to the bead. Considering an imaginary straight line passing through both the center and the bead at an angle ?=+45±5 degrees relative to the tire axis, all of the second threads are spaced from that axis by a radial distance no larger than the locus of the imaginary line.

Abstract: Tire containing a crown, two sidewalls and two beads, a carcass reinforcement with first reinforcing cords placed adjacent, aligned circumferentially in at least one circumferential alignment from at least one of said beads to one of said sidewalls and anchored in said one bead, and a crown reinforcement, said one bead containing an anchoring zone enabling the carcass reinforcement to be maintained and including at least one circumferentially oriented second reinforcing cord cooperating with an adjacent portion of the carcass reinforcement by means of a rubber anchoring compound in contact with the second reinforcing cord and the adjacent sections of the first reinforcing cords, wherein the rubber anchoring compound has a modulus of elasticity at a 10% deformation ranging between 10 and 20 MPa and wherein the rubber anchoring compound comprises at least one synthetic elastomer in the SBR group and of polybutadienes with a total proportion of synthetic elastomer exceeding 50% of the total weight of elastomers.

Abstract: An aircraft tire, the inflation pressure of which is greater than 12 bar, comprises a crown, two sidewalls and two beads, a carcass reinforcement anchored in the two beads and a crown reinforcement. The carcass reinforcement comprises at least two circumferential alignments of first reinforcing threads of high elasticity modulus. The means for anchoring the first reinforcing threads within each bead comprises second reinforcing threads oriented circumferentially and axially bordering the circumferential alignments of the first reinforcing threads, the first reinforcing threads and second reinforcing threads being separated by a layer of mix of very high elasticity modulus.

Abstract: Tire containing a crown, two sidewalls and two beads, a carcass reinforcement with first reinforcing cords placed adjacent, aligned circumferentially in at least one circumferential alignment from at least one of said beads to one of said sidewalls and anchored in said one bead, and a crown reinforcement, said one bead containing an anchoring zone enabling the carcass reinforcement to be maintained and including at least one circumferentially oriented second reinforcing cord cooperating with an adjacent portion of the carcass reinforcement by means of a rubber anchoring compound in contact with the second reinforcing cord and the adjacent sections of the first reinforcing cords, wherein the rubber anchoring compound has a modulus of elasticity at a 10% deformation ranging between 10 and 20 MPa and wherein the rubber anchoring compound comprises at least one synthetic elastomer in the SBR group and of polybutadienes with a total proportion of synthetic elastomer exceeding 50% of the total weight of elastomers.

Abstract: A tire having a crown, two sidewalls and two beads, a carcass reinforcement anchored in the two tire beads and a belt reinforcement, the belt reinforcement including at least two superposed reinforcing plies formed by cords parallel in each ply and criss-crossed from one to the other forming with the circumferential direction angles (&agr;, &bgr;) ranging between 10° and 70° and characterized in that, there is provided, between the two superposed reinforcing plies, at least two axially adjacent rubber decoupling layers with different mechanical properties and in that each of the two rubber decoupling layers is in contact with the cords of the two superposed reinforcing layers.

Abstract: A tire having a crown, two sidewalls and two beads, a carcass reinforcement anchored in the two tire beads and a belt reinforcement, the belt reinforcement including at least two superposed reinforcing plies formed by cords parallel in each ply and criss-crossed from one to the other forming with the circumferential direction angles (&agr;, &bgr;) ranging between 10° and 70° and characterized in that, there is provided, between the two superposed reinforcing plies, at least two axially adjacent rubber decoupling layers with different mechanical properties and in that each of the two rubber decoupling layers is in contact with the cords of the two superposed reinforcing layers.

Abstract: A tire having a crown, two sidewalls and two tire beads, a carcass reinforcement anchored in the two tire beads and a belt reinforcement, said belt reinforcement including at least two superposed reinforcement plies formed with cords parallel in each ply and criss-crossed from one ply to the other forming with the circumferential direction angles (&agr;, &bgr;) ranging between 10° and 55° and characterized in that the cords of at least one of the two reinforcing plies are successively in contact, on the same side of said ply, moving from the tire equatorial plane towards one of the reinforcing ply lateral ends with a rubber bonding layer having a first modulus of elasticity and then a rubber bonding layer of a second modulus of elasticity lower than the first.

Abstract: A tire wherein the reinforcing cords of the carcass, in the part situated between the anchoring zone of the carcass and the sidewall, are in contact with at least one layer of cushion compound having a high modulus of elasticity on the axially outer side and a low modulus of elasticity on the axially inner side and in the sidewall.

Abstract: A tire comprising a crown, two sidewalls and two beads, a carcass reinforcement anchored in each of the beads and a crown reinforcement. The carcass reinforcement comprises at least two circumferential alignments of first reinforcing threads of high elasticity modulus, each circumferential alignment of the first reinforcing threads being, within each bead, bordered axially inwardly and axially outwardly by second reinforcing threads, oriented substantially circumferentially, of a modulus greater than or equal to that of the first reinforcing threads. The first reinforcing threads and second reinforcing threads are separated by a layer of mix of very high elasticity modulus.

Abstract: A tire comprising a crown, two sidewalls and two beads, a casing reinforcement anchored in each of the beads and a crown reinforcement, the crown reinforcement comprising radially, from the inside outwards, a working block and a protective block having at least one ply of circumferentially oriented parallel reinforcing threads, characterized in that the protective block ply consists of aromatic polyamide reinforcing threads with an initial modulus of less than 1000 cN/tex and a tenacity of greater than 65 cN/tex.

Abstract: A tire comprising a crown, two sidewalls and two beads, a carcass reinforcement anchored in each of the beads and a crown reinforcement. The carcass reinforcement comprises at least two circumferential alignments of first reinforcing threads of high elasticity modulus, each circumferential alignment of first reinforcing threads being, within each bead, bordered axially inwardly and axially outwardly by second reinforcing threads oriented substantially circumferentially of a modulus greater than or equal to that of the first reinforcing threads. The first reinforcing threads and the second reinforcing threads are separated by a layer of mix of very high elasticity modulus. The outer surface of each bead comprises a seat, a frustoconical wall of substantially radial orientation radially inwardly adjacent to a wall section in the shape of an arc of a circle EF of center C which center C is arranged axially outwardly relative to the bead.

Abstract: An aircraft tire, the inflation pressure of which is greater than 12 bar, comprises a crown, two sidewalls and two beads, a carcass reinforcement anchored in the two beads and a crown reinforcement. The carcass reinforcement comprises at least two circumferential alignments of first reinforcing threads of high elasticity modulus.

Abstract: A tire comprising a crown, two sidewalls and two beads, a carcass reinforcement anchored in each of the beads and a crown reinforcement. The carcass reinforcement comprises at least two circumferential alignments of first reinforcing threads of high elasticity modulus, each circumferential alignment of the first reinforcing threads being, within each bead, bordered axially by second reinforcing threads oriented substantially circumferentially. The first reinforcing threads and the second reinforcing threads are separated by a layer of mix of very high elasticity modulus. The second reinforcements are arranged in a spiral and formed of monofilaments or unit threads of steel.

Abstract: Tire containing a crown, two sidewalls and two beads, a carcass reinforcement with first reinforcing cords placed adjacent, aligned circumferentially in at least one circumferential alignment from at least one of said beads to one of said sidewalls and anchored in said one bead, and a crown reinforcement, said one bead containing an anchoring zone enabling the carcass reinforcement to be maintained and including at least one circumferentially oriented second reinforcing cord cooperating with an adjacent portion of the carcass reinforcement by means of a rubber anchoring compound in contact with the second reinforcing cord and the adjacent sections of the first reinforcing cords, wherein the rubber anchoring compound has a modulus of elasticity at a 10% deformation ranging between 10 and 20 MPa and wherein the rubber anchoring compound comprises at least one synthetic elastomer in the SBR group and of polybutadienes with a total proportion of synthetic elastomer exceeding 50% of the total weight of elastomers.

Abstract: A tire having a crown, two sidewalls and two beads, a carcass reinforcement anchored in the two beads and a crown reinforcement, the crown reinforcement including radially, from inside outward, a working block with at least one ply of parallel cords of circular orientation and a protective block with at least one ply of parallel cords of elongation at rupture greater than that of the cords of the ply of circumferential orientation of the working block, characterized in that said ply of parallel cords of circumferential orientation is the radially outermost ply of said working block and in that the parallel cords of said ply of said protective block have a circumferential orientation.

Abstract: A tire having a crown, two sidewalls and two beads, a carcass reinforcement anchored in the two tire beads and a belt reinforcement, the belt reinforcement including at least two superposed reinforcing plies formed by cords parallel in each ply and criss-crossed from one to the other forming with the circumferential direction angles (&agr;, &bgr;) ranging between 10° and 70° and characterized in that, there is provided, between the two superposed reinforcing plies, at least two axially adjacent rubber decoupling layers with different mechanical properties and in that each of the two rubber decoupling layers is in contact with the cords of the two superposed reinforcing layers.