The present invention is directed to a pneumatic tire comprising at least one pair of parallel annular beads, at least one carcass ply wrapped around said beads, at least two belts or breakers disposed over said carcass ply in a crown area of said tire, tread disposed over said belts or breakers, and sidewalls disposed between said tread and said beads, and wherein the radially top belt or breaker is reinforced with an organic polymer cord, wherein the organic polymer cord is chemically fused.

Heavy goods vehicle tire, having a crown portion covered radially on the outside by a tread, this tread having at least two cut-outs, the central portion of the tread having a width Lc of between 35% and 70%, the crown portion comprising a reinforcement having at least two working layers having reinforcing elements, these reinforcing elements consisting of UHT-grade threads, having a mechanical breaking strength R satisfying the following relation: R≥(4180−2130×D), where D is the diameter of the thread expressed in millimetres, this tread being formed of at least two layers of superimposed material, the material forming the first layer with a breaking elongation of more than 600% at a temperature of 60° C., this tread being such that, in the central portion, the cavity ratio per unit volume is not more than 10% and the surface cavity ratio as new is not more than 10%.

A monofilament made of glass-resin composite has improved properties in compression, in particular at high temperature, and comprises glass filaments embedded in a crosslinked resin. The glass transition temperature of the resin is equal to or greater than 190° C. The elongation at break of the monofilament, measured at 23° C., is equal to or greater than 4.0%. The initial tensile modulus of the monofilament, measured at 23° C., is greater than 35 GPa. The real part of the complex modulus of the monofilament, measured at 190° C. by the DMTA method, is greater than 30 GPa. Pneumatic or non-pneumatic tires are reinforced with such a composite monofilament.

A tire includes a belt layer in a tread portion. The belt layer includes at least one belt ply. The belt ply includes a plurality of belt cords including a steel single wire having a flat cross-sectional shape. In at least one of the belt cords, the steel single wire has a short diameter direction inclined at an angle θ of less than 90 degrees with respect to a thickness direction of the belt ply.

The present invention relates to a vehicle tire comprising a belt bandage, wherein the belt bandage comprises strength members, wherein the strength members comprise hybrid cords arranged parallel to one another within the ply, and wherein the hybrid cords each contain at least one yarn made of polyethylene terephthalate (PET) and at least one yarn made of polyamide.

According to the invention the PET of the yarn of the hybrid cord of the belt bandage is recycled PET (rPET).

A pneumatic tire for use on trucks, the tire comprising a tread and a belt structure located radially inward of the tread, the belt structure including a pair of working belts, wherein the working belts are reinforced plies each comprising parallel reinforcement elements, wherein the angle of the reinforcement elements in the respective working belt ranges from 12 degrees to 35 degrees from the circumferential direction, wherein the belt structure further includes a low angle belt positioned between the working belts comprising parallel reinforcement elements angled at less than 5 degrees from the circumferential direction, and wherein a first and second narrow belt is positioned on the lateral ends of the low angle belt, and wherein the first and second narrow belt are each positioned radially inward of an axially outermost groove on each side of the tread.

A pneumatic tire having a dual reinforcing belt structure, which minimizes deformation of the tire tread section during high-speed driving, particularly deformation of the tire shoulder parts, suppresses a standing wave phenomenon, and enhances driving stability. The pneumatic tire having a dual reinforcing belt structure includes a tread section, a sidewall section and a bead section, in which the bead section is provided with a carcass in a turned-up manner, a plurality of belt layers are provided by lamination between the carcass and the tread section, and a reinforcing belt is provided on top of the belt layer, while the reinforcing belt is a dual reinforcing belt in which belts made of different materials are arranged.

A rubberized reinforcing ply (1) for articles consisting of an elastomeric material, preferably for vehicle tires, wherein the reinforcing ply (1) has a multiplicity of textile strengthening members (2) which are arranged parallel to and spaced apart from one another, wherein each textile strengthening member (2) is composed of at least one twisted multifilament yarn, and wherein the textile strengthening member (2) is not composed of the material rayon. The reinforcing ply (1) satisfies the following condition: (D.sup.2/E.sub.0) in mm corresponds to a value in a range from 0.22 mm to 0.38 mm, and the reinforcing ply (1) has a strength of >10 kN/dm, where D is the diameter of the textile strengthening member (2) in mm and lies in a range from 0.38 mm to 0.52 mm, and where E.sub.0=100/epdm.

A tyre for vehicle wheels comprises a support structure and a tread band arranged in a radially outer position with respect to the support structure. The support structure comprises a plurality of hybrid reinforcing cords (10) each having a plurality of monofilament textile wires (20) twisted to at least one multifilament textile yarn (30). In any cross section of the hybrid reinforcing cord (10), at least one portion of at least one monofilament textile wire (20) of said plurality of monofilament textile wires (20) defines a first radially outer surface portion of the hybrid reinforcing cord (10) and at least one portion of said at least one multifilament textile yarn (30) defines a second radially outer surface portion of the hybrid reinforcing cord (10).

A pneumatic radial tire is provided that includes belt layers disposed on an outer circumferential side of a carcass layer in a tread portion, and a belt cover layer disposed on an outer circumferential side of the belt layers, the belt cover layer including organic fiber cords helically wound along a tire circumferential direction, the belt layers including steel cords arranged at an incline with respect to the tire circumferential direction in such a manner as to intersect one another between the layers, each of the belt layers having a bending rigidity of 16500 N.Math.mm.sup.2/.sub.50 mm or less per 50 mm width in a direction orthogonal to a longitudinal direction of the steel cords, and the belt cover layer including organic fiber cords having an elongation of 2.0% to 4.0% under a load of 2.0 cN/dtex, the organic fiber cords being helically wound along the tire circumferential direction.