Abstract: The invention concerns a tire comprising at least a first and a second bead radially extending to at least a first and a second sidewall, respectively, and the sidewalls being joined to a tread; said first bead having a seat the generatrix of which has its axially inner end on a circle of diameter greater than the diameter of the circle on which is located the axially outer end. The tire further comprises a carcass reinforcement formed of at least one carcass ply and anchored in the first bead to at least one annular bead anchoring element. When the tire is mounted on its operating rim and inflated to its recommended pressure, the meridian profile of the carcass reinforcement has a tangent to the point of tangency of the meridian profile with the anchoring element of the first bead that forms, relative to the axis of rotation, an angle open towards the outside and at most equal to 70°.

Abstract: Mounting rim designed to form a rolling assembly with a tire and an inflatable and inflated tread bearing support, and comprising on each side of the equatorial plane a rim seat inclined outwards and extended axially outwards by a projection or hump, characterized in that it comprises, axially towards the inside between each rim seat for the tire beads and the equatorial plane XX?, at least one truncated conical seat inclined inwards and designed to receive a bead of a tire tread bearing support. The rolling assembly is used either with a bearing support in the form of a toric membrane inflated hard which retains its shape and pressure if the tire is punctured, or with a bearing support in the form of a membrane that can expand in the event of a tire puncture and entirely fill the internal cavity of the tire.

Abstract: Tire comprising a carcass reinforcement of at least one ply of reinforcing elements parallel to one another within each ply and making with the circumferential direction an angle &agr; such that 60°<&agr;<90°, said ply being anchored in each bead to an anchoring element in the bead and each bead being connected radially to a tread by a sidewall comprising an inextensible reinforcement ring and a profiled element of rubber mixture located axially inside said ply and located radially between said anchoring element and said sidewall ring.

Abstract: The invention concerns a method of manufacture of tires and a tire assembly drum having a body with a receiving surface for the products to be assembled, the body being mounted on a center shaft, and at least one lifting device situated at one of the ends of the receiving surface, the lifting device including a plurality of lifting fingers distributed circularly around the center shaft, the fingers extending appreciably radially and presenting a bearing surface for the products to be assembled, the fingers being controlled to be deployed essentially radially toward the outside of the drum.

Abstract: The invention concerns a tire comprising at least a first and a second bead radially extending to at least a first and a second sidewall, respectively, and the sidewalls being joined to a tread; said first bead having a seat the generatrix of which has its axially inner end on a circle of diameter greater than the diameter of the circle on which is located the axially outer end. The tire further comprises a carcass reinforcement formed of at least one carcass ply and anchored in the first bead to at least one annular bead anchoring element. When the tire is mounted on its operating rim and inflated to its recommended pressure, the meridian profile of the carcass reinforcement has a tangent to the point of tangency of the meridian profile with the anchoring element of the first bead that forms, relative to the axis of rotation, an angle open towards the outside and at most equal to 70°.

Abstract: The invention relates to a novel tire having beads of a specified structure. In particular, the tire, when viewed in meridian section, has a radial carcass reinforcement and a bead of specified structure. The bead features a reinforcement ring that is able to move axially. The tire also features structures that are responsive to axial movement of the reinforcement ring, which modify clamping of the bead on its rim causing the clamping to increase with increasing tension of the carcass reinforcement.

Abstract: Tire comprising a carcass reinforcement of at least one ply of reinforcing elements parallel to one another within each ply and making with the circumferential direction an angle &agr; such that 60°<&agr;<90°, said ply being anchored in each bead to an anchoring element in the bead and each bead being connected radially to a tread by a sidewall comprising an inextensible reinforcement ring and a profiled element of rubber mixture located axially inside said ply and located radially between said anchoring element and said sidewall ring.

Abstract: A tire has a radial carcass reinforcement having a bead, the seat of which is inclined towards the outside, the bead heel axially to the inside and reinforced by at least one reinforcement element, the bead toe axially to the outside and having a profiled element of rubber mix in the form of a wedge defined by two sides, the mix having a Shore A hardness greater than the Shore A hardness of the rubber mixes radially above, wherein the reinforcement winds around the annular element to form an upturn, the end of which is located axially to the outside of a straight line P2 perpendicular to the axis of rotation and passing through the center of gravity of the meridian section of the element, and axially to the inside and radially to the outside of the straight line P1 supporting the radially outer side of the profiled element.

Abstract: A tire having a radial carcass reinforcement of low H/S ratio, at least one bead provided with an axially outer protuberance, the maximum axial width of which is greater than the space taken up by the rim, characterized in that the protuberance is provided with incisions of a width other than zero, of a depth of at most 5 mm and arranged circumferentially parallel to each other.

Abstract: Mounting rim designed to form a rolling assembly with a tire and an inflatable and inflated tread bearing support, and comprising on each side of the equatorial plane a rim seat inclined outwards and extended axially outwards by a projection or hump, characterized in that it comprises, axially towards the inside between each rim seat for the tire beads and the equatorial plane XX′, at least one truncated conical seat inclined inwards and designed to receive a bead of a tire tread bearing support. The rolling assembly is used either with a bearing support in the form of a toric membrane inflated hard which retains its shape and pressure if the tire is punctured, or with a bearing support in the form of a membrane that can expand in the event of a tire puncture and entirely fill the internal cavity of the tire.

Abstract: The invention concerns a method of manufacture of tires and a tire assembly drum having a body with a receiving surface for the products to be assembled, the body being mounted on a center shaft, and at least one lifting device situated at one of the ends of the receiving surface, the lifting device including a plurality of lifting fingers distributed circularly around the center shaft, the fingers extending appreciably radially and presenting a bearing surface for the products to be assembled, the fingers being controlled to be deployed essentially radially toward the outside of the drum.

Abstract: A tire (1), a mounting rim (2) therefor and a circumferentially unstretchable ring (3) for supporting the tread (10) of the tire when running at low or zero pressure. The tire (1) has a radial ply casing (13) on which the points that are furthest apart axially are radially apart close to seats (12B) of outwardly sloping beads (12). The seats (12B) engage sloping seats (23′, 23″) on the rim (2), which may have at least one mounting well (22), at least one cylindrical portion (21) for receiving the supporting ring (3) and rim flange (24).

Abstract: The invention concerns a method of manufacture of tires and a tire assembly drum having a body with a receiving surface for the products to be assembled, the body being mounted on a center shaft, and at least one lifting device situated at one of the ends of the receiving surface, the lifting device including a plurality of lifting fingers distributed circularly around the center shaft, the fingers extending appreciably radially and presenting a bearing surface for the products to be assembled, the fingers being controlled to be deployed essentially radially toward the outside of the drum.

Abstract: A tire having a radial carcass reinforcement which, viewed in meridian section, has a bead, the seat of which is inclined towards the outside, the bead heel being axially to the inside and being reinforced by at least one reinforcement element, the bead toe being axially to the outside and having a profiled element of rubber mix in the form of a wedge defined by two sides, the mix having a Shore A hardness greater than the Shore A hardness(es) of the rubber mixes radially above, characterized in that the radial carcass reinforcement in the bead winds around the annular element from the inside to the outside to form an upturn, the end of which is located on one hand axially to the outside of a straight line P2 perpendicular to the axis of rotation and passing through the center of gravity of the meridian section of the element, and on the other hand axially to the inside and radially to the outside of the straight line P1 supporting the radially outer side of the profiled element.

Abstract: The invention concerns a method of manufacture of tires and a tire assembly drum having a body with a receiving surface for the products to be assembled, the body being mounted on a center shaft, and at least one lifting device situated at one of the ends of the receiving surface, the lifting device including a plurality of lifting fingers distributed circularly around the center shaft, the fingers extending appreciably radially and presenting a bearing surface for the products to be assembled, the fingers being controlled to be deployed essentially radially toward the outside of the drum.

Abstract: A tire having a radial carcass reinforcement of low H/S ratio, at least one bead provided with an axially outer protuberance, the maximum axial width of which is greater than the space taken up by the rim, characterized in that the protuberance is provided with incisions of a width other than zero, of a depth of at most 5 mm and arranged circumferentially parallel to each other.

Abstract: The invention concerns a radially expansible assembly drum for the manufacture of tires, having a body mounted on a center shaft and presenting a receiving surface for the products to be assembled, the ends of which have different diameters; the drum contains retractable means capable of covering the end of the receiving surface of smaller diameter, and means of expansion of the drum to two different expanded positions.

Abstract: A tire with a radial carcass reinforcement, when viewed in meridian section, includes a first bead, the seat of which is inclined towards the outside, the heel of the bead being axially on the inside and being reinforced by at least a reinforcement ring, the toe of the bead being axially on the outside and having a rubber wedge section made of rubber mix, the wedge being defined by two sides, the said rubber mix having a Shore A hardness greater than the Shore A hardness(es) of the rubber mixes located axially and radially above the bead ring and above the rubber wedge section.

Abstract: A tire (1), a mounting rim (2) therefor and a circumferentially unstretchable ring (3) for supporting the tread (10) of the tire when running at low or zero pressure. The tire (1) has a radial ply casing (13) on which the points that are furthest apart axially are radially apart close to seats (12B) of outwardly sloping beads (12). The seats (12B) engage sloping seats (23', 23") on the rim (2), which may have at least one mounting well (22), at least one cylindrical portion (21) for receiving the supporting ring (3) and a rim flange (24).

Abstract: A safety insert, intended to be mounted on a wheel rim inside a tire to support the crown of this tire in the event of a loss of inflation pressure, wherein the running radius of the safety insert under run-flat conditions varies with a frequency of variation that is appreciably equal to its frequency of rotation.