Abstract: The invention relates to a tire, the aspect ratio H/S of which is strictly greater than 0.55, having a radial carcass reinforcement comprising a crown reinforcement formed of at least two working crown layers of inextensible reinforcement elements, crossed from one ply to the other forming angles of between 10° and 45° with the circumferential direction, which itself is topped radially by a tread, said tread being joined to two beads by means of two sidewalls and the crown reinforcement comprising at least one layer of circumferential reinforcement elements. According to the invention, the ratio of the thickness of the crown block at one shoulder end to the thickness of the crown block in the circumferential median plane is less than 1.20 and the ratio of the axial width of at least one layer of circumferential reinforcement elements to the axial width of the tread is greater than 0.5 and preferably greater than 0.6.

Abstract: A tire having a radial carcass reinforcement includes a crown reinforcement formed of at least two working crown layers of inextensible reinforcement elements, which are crossed from one ply to the other, forming with the circumferential direction angles of between 10° and 45°. The crown reinforcement is topped radially by a tread, which is joined to two beads by means of two sidewalls. The ratio of the thickness of the crown block at one shoulder end to the thickness of the crown block in the circumferential median plane is less than 1.20. The ratio of the axial width of the tread to the maximum axial width of the tire is strictly greater than or equal to 0.89.

Abstract: The invention relates to a tire having a radial carcass reinforcement comprising a crown reinforcement formed of at least two working crown layers of inextensible reinforcement elements, which are crossed from one layer to the other, forming with the circumferential direction angles of between 10° and 45°, which itself is topped radially by a tread, said tread being joined to two beads by means of two sidewalls and the crown reinforcement comprising at least one layer of circumferential reinforcement elements of an axial width less than that of at least one of the working crown layers. According to the invention, the ratio of the axial width of at least one layer of circumferential reinforcement elements to the axial width of the tread is greater than 0.6, and preferably greater than 0.65, and the ratio of the axial width of the tread to the maximum axial width of the tire is strictly greater than 0.89.

Abstract: A tire having a radial carcass reinforcement comprising a crown reinforcement formed of at least two working crown layers of inextensible reinforcement elements, which are crossed from one ply to the other, forming angles of between 10° and 45° with the circumferential direction, which itself is topped radially by a tread, said tread being joined to two beads by means of two sidewalls and at least two working layers having different axial widths.

Abstract: A tire having a radial carcass reinforcement comprising a crown reinforcement formed of at least two working crown layers of inextensible reinforcement elements, which are crossed from one ply to the other, forming angles of between 10° and 45° with the circumferential direction, which itself is topped radially by a tread, said tread being joined to two beads by means of two sidewalls and the axially widest working crown layer being radially internal to the other working crown layers. The tire comprises additionally in each shoulder at least one layer of reinforcement elements which are parallel to each other in the layer and are oriented circumferentially, the axially inner end of said additional layer being radially adjacent to the edge of a working crown layer, at least part of said additional layer being radially and/or axially adjacent to the edge of the axially widest working crown layer and the axially outer end of said additional layer being radially internal to the axially widest working crown layer.

Abstract: A tire having a radial carcass reinforcement comprising a crown reinforcement formed of at least two working crown layers of inextensible reinforcement elements, which are crossed from one ply to the other, forming angles of between 10° and 45° with the circumferential direction, which itself is topped radially by a tread, said tread being joined to two beads by means of two sidewalls and at least two working layers having different axial widths.

Abstract: A tire having a radial carcass reinforcement comprising a crown reinforcement formed of at least two working crown layers of inextensible reinforcement elements, which are crossed from one ply to the other, forming angles of between 10° and 45° with the circumferential direction, which itself is topped radially by a tread, said tread being joined to two beads by means of two sidewalls and the axially widest working crown layer being radially internal to the other working crown layers. The tire comprises additionally in each shoulder at least one layer of reinforcement elements which are parallel to each other in the layer and are oriented circumferentially, the axially inner end of said additional layer being radially adjacent to the edge of a working crown layer, at least part of said additional layer being radially and/or axially adjacent to the edge of the axially widest working crown layer and the axially outer end of said additional layer being radially internal to the axially widest working crown layer.

Abstract: A tire having a radial carcass reinforcement comprising a crown reinforcement formed of at least two working crown layers of inextensible reinforcement elements, which are crossed from one ply to the other, forming angles of between 10° and 45° with the circumferential direction, which itself is topped radially by a tread, said tread being joined to two beads by means of two sidewalls and the axially widest working crown layer being radially internal to the other working crown layers and a layer P of cohesive rubber mixes being arranged between at least part of the working crown layers.

Abstract: A tread provided with a plurality of cutouts of essentially transverse orientation and characterized in that when new, some of the transverse cutouts form on the running surface hollowed zones of average width Lt greater than or equal to 2 mm and of maximum depth Pt at most equal to 80% of the thickness Pb of tread to become worn, the other transverse cutouts forming on the same running surface incisions of average width Li less than 2 mm and of depth Pi at most equal to Pt. A plurality of the incisions extending by hollowed zones such that after homogenous wear of the tread the volume V1 of the hollowed zones opening on to the new running surface is between 50% and 150% of the volume V0 formed by the hollowed zones when new.

Abstract: A tire having a radial carcass reinforcement comprising a crown reinforcement formed of at least two working crown layers of inextensible reinforcement elements, which are crossed from one ply to the other, forming angles of between 10° and 45° with the circumferential direction, which itself is topped radially by a tread, said tread being joined to two beads by means of two sidewalls and at least two working layers having different axial widths.

Abstract: A tread for a heavy vehicle tire, comprising at least one tread design component (3) delimited by at least two grooves, each component comprising a contact face (4) limited by edges (7, 8); the contact face (4) having, viewed in a cross-sectional plane substantially perpendicular to the contact face of the tread and cutting two of the edges of the motif at A1 and A2, a plot whose geometrical profile P between the points A1 and A2 has at least one bump (9, 10) in relief relative to a virtual straight line D passing through the points A1 and A2, the point B1, B2 of each bump (9, 10) that is furthest from the straight line D being located a height Hi from this straight line and a distance Di from the point A1 or A2 that is the closer, with 0.1<Di/L<0.25, where L is the distance separating the points A1 and A2, and 0.1 mm<Hi<2.5 mm.

Abstract: A tread (1) for steer axle tires for a heavy vehicle, the tire having a preferred direction of travel, the tread comprising grooves (2) of generally circumferential orientation defining at least three ribs (30, 31, 32, 33, 34), two of the ribs forming the edges (30, 34) of the tread, some of the intermediate ribs (31, 32, 33) being provided with a plurality of incisions (41, 42, 43), of general transverse orientation and substantially parallel to each other, the incisions having an average inclination other than zero relative to the direction perpendicular to the running surface of a new tread, this tread being characterised in that, when viewed in a section plane perpendicular to the axis of rotation of the tyre, the incisions in the intermediate ribs form, on and in the vicinity of the running surface when new of the tread, an angle close to or equal to 0° with a line perpendicular to said surface at the point of intersection, whereas the angle of each of these incisions increases in the depth of the tread.

Abstract: The invention relates to a tire having a radial carcass reinforcement comprising a crown reinforcement formed of at least two working crown layers of inextensible reinforcement elements, which are crossed from one layer to the other, forming with the circumferential direction angles of between 10° and 45°, which itself is topped radially by a tread, said tread being joined to two beads by means of two sidewalls and the crown reinforcement comprising at least one layer of circumferential reinforcement elements of an axial width less than that of at least one of the working crown layers. According to the invention, the ratio of the axial width of at least one layer of circumferential reinforcement elements to the axial width of the tread is greater than 0.6, and preferably greater than 0.65, and the ratio of the axial width of the tread to the maximum axial width of the tire is strictly greater than 0.89.

Abstract: The invention relates to a tire, the aspect ratio H/S of which is strictly greater than 0.55, having a radial carcass reinforcement comprising a crown reinforcement formed of at least two working crown layers of inextensible reinforcement elements, crossed from one ply to the other forming angles of between 10° and 45° with the circumferential direction, which itself is topped radially by a tread, said tread being joined to two beads by means of two sidewalls and the crown reinforcement comprising at least one layer of circumferential reinforcement elements. According to the invention, the ratio of the thickness of the crown block at one shoulder end to the thickness of the crown block in the circumferential median plane is less than 1.20 and the ratio of the axial width of at least one layer of circumferential reinforcement elements to the axial width of the tread is greater than 0.5 and preferably greater than 0.6.

Abstract: The invention relates to a tire having a radial carcass reinforcement comprising a crown reinforcement formed of at least two working crown layers of inextensible reinforcement elements, which are crossed from one ply to the other, forming with the circumferential direction angles of between 10° and 45°, which itself is topped radially by a tread, said tread being joined to two beads by means of two sidewalls. According to the invention, the ratio of the thickness of the crown block at one shoulder end to the thickness of the crown block in the circumferential median plane is less than 1.20 and the ratio of the axial width of the tread to the maximum axial width of the tire is strictly greater than or equal to 0.89.

Abstract: A tread (1) provided with a plurality of cutouts (5, 6, 71, 72, 73, 81, 82, 83) of essentially transverse orientation and characterized in that: when new, some of the transverse cutouts (5, 6) form on the running surface hollowed zones of average width Lt greater than or equal to 2 mm and of maximum depth Pt at most equal to 80% of the thickness Pb of tread to become worn, the other transverse cutouts (71, 72, 73, 81, 82, 83) forming on the same running surface incisions (71?, 72?, 73?, 81?, 82?, 83?) of average width Li less than 2 mm and of depth Pi at most equal to Pt; a plurality of the incisions (71?, 72?, 73?, 81?, 82?, 83?) extending by hollowed zones (71?, 72?, 73?, 81?, 82?, 83?) such that after homogenous wear of the tread the volume V1 of the hollowed zones (71?, 72?, 73?, 81?, 82?, 83?) opening on to the new running surface is between 50% and 150% of the volume V0 formed by the hollowed zones when new. A molding element comprising thick parts and thin parts.

Abstract: A tread (1) provided with a plurality of cutouts (5, 6, 71, 72, 73, 81, 82, 83) of essentially transverse orientation and characterized in that: when new, some of the transverse cutouts (5, 6) form on the running surface hollowed zones of average width Lt greater than or equal to 2 mm and of maximum depth Pt at most equal to 80% of the thickness Pb of tread to become worn, the other transverse cutouts (71, 72, 73, 81, 82, 83) forming on the same running surface incisions (71?, 72?, 73?, 81?, 82?, 83?) of average width Li less than 2 mm and of depth Pi at most equal to Pt; a plurality of the incisions (71?, 72?, 73?, 81?, 82?, 83?) extending by hollowed zones (71?, 72?, 73?, 81?, 82?, 83?) such that after homogenous wear of the tread the volume V1 of the hollowed zones (71?, 72?, 73?, 81?, 82?, 83?) opening on to the new running surface is between 50% and 150% of the volume V0 formed by the hollowed zones when new. A molding element comprising thick parts and thin parts.

Abstract: A tread (1) for a tire with a preferred rolling direction, the tread having grooves (2) of substantially circumferential orientation which delimit ribs (30, 31, 32, 33, 35), at least one of which is provided close to each of its traverse edges with a plurality of incisions of width smaller than 1.5 mm. The incisions open onto the contact surface of the tread, are essentially parallel to one another, and having a mean inclination ? different from zero relative to the direction perpendicular to the rolling surface (S) of the tread.

Abstract: A tread (1) for steer axle tires for a heavy vehicle, the tire having a preferred direction of travel, the tread comprising grooves (2) of generally circumferential orientation defining at least three ribs (30, 31, 32, 33, 34), two of the ribs forming the edges (30, 34) of the tread, some of the intermediate ribs (31, 32, 33) being provided with a plurality of incisions (41, 42, 43), of general transverse orientation and substantially parallel to each other, the incisions having an average inclination other than zero relative to the direction perpendicular to the running surface of a new tread, this tread being characterised in that, when viewed in a section plane perpendicular to the axis of rotation of the tyre, the incisions in the intermediate ribs form, on and in the vicinity of the running surface when new of the tread, an angle close to or equal to 0° with a line perpendicular to said surface at the point of intersection, whereas the angle of each of these incisions increases in the depth of the tr

Abstract: A tread (1) provided with a plurality of cutouts (5, 6, 71, 72, 73, 81, 82, 83) of essentially transverse orientation and characterized in that: