A tire having no ply turnup is described. The tire includes a tread, a single layer of ply, a first triangular shaped bead and a second triangular shaped bead, wherein the radially inner end of the single layer of ply is secured between the first bead and the second bead.

A cord (30) has a triple twist (T1, T2, T3) and comprises an assembly (25) consisting of N=3 strands (20a, 20b, 20c) twisted together with a twist T3 in a direction D2, each strand consisting of M=2 pre-strands, which are themselves twisted together with a twist T2 (T2a, T2b, T2c) in a direction D1 opposite to D2, each pre-strand itself consisting in a yarn that has been previously twisted about itself with a twist T1 in the direction D1, wherein each yarn consists of elementary monofilaments of aromatic polyamide or aromatic copolyamide. Each yarn has a count varying from 90 to 130 tex.

In a tire 2, a band 14 has a helically wound structure in which a strip 26 having a cord 28 is wound in a circumferential direction. The band 14 includes a center portion C disposed at a center in an axial direction, and a shoulder portion S disposed outward of the center portion C in the axial direction. A pitch Pc of the strip 26 in the center portion C is not less than 2.0 times a width W of the strip 26 and not greater than 2.5 times the width W. A pitch Ps of the strip 26 in the shoulder portion S is not less than 0.8 times the width W of the strip 26 and not greater than 1.2 times the width W.

The invention relates to a rubberized strength member for elastomeric products, especially vehicle tires, wherein the strength member includes at least one first yarn, to a process for producing the rubberized strength member and to a motor vehicle tire including at least one rubberized strength member.

According to the invention, the first yarn is a yarn of HMLS-PET comprising recycled PET.

A fiber cord for reinforcing rubber includes an organic fiber covered with a resin for which the average integration value of hardness measured by AFM is 150 MPa or less. A fiber cord for reinforcing rubber which could not be achieved with prior art, can be achieved with improved initial adhesiveness and heat-resistant adhesiveness as well as excellent stress relaxation for the rubber-cord composite.

In accordance with the invention, a textile cord coat composition for a tire comprises from 70 to 90 phr cis 1,4-polyisoprene rubber, from 10 to 30 phr styrene butadiene rubber, from 25 to 45 phr carbon black, the latter comprising between 1 and 6 phr high surface area carbon black having a BET surface area of more than 700 m.sup.2/g. Moreover, the invention is directed to a textile reinforced ply and a tire comprising such a textile cord coat composition.

This invention relates to a hybrid cord for a tire ply or ply strip, wherein the cord comprises two aramid yarns having densities from 1400 to 1900 dtex twisted in a first direction with 5 to 11 twists per inch, a polyamide yarn having a density of 700 to 1200 dtex twisted in the first direction with 4 to 10 twists per inch, wherein the three yarns are twisted together to form the cord, and wherein the cord is twisted with 4 to 10 twists in a direction opposite to the first direction. Moreover, the present invention is directed to a pneumatic tire comprising at least one of a belt ply, a carcass ply, an overlay ply and an overlay ply strip, wherein the ply or ply strip of the tire comprises a plurality of the aforementioned cords.

The invention relates to a reinforcement layer for elastomeric products, in particular for the belt bandage (8), having cords as reinforcement, where the cords have at least two yarns, where a first yarn of the yarns is made of polyamide and where the ends of all yarns of a cord are twisted together. The problem addressed by the invention is that of providing a reinforcement layer for elastomeric products which exhibits a relatively high tensile force value for an elongation of 4% or more and which exhibits relatively low shrinkage based on linear density of the reinforcement. This is achieved in that the cords are hybrid cords having precisely three yarns, in that the hybrid cord has the first yarn and a second yarn made of HMLS-PET, in that the hybrid cord has a first yarn or a second yarn as third yarn, and in that the linear density of each hybrid cord is at least 5000 dtex.

The present invention relates to a radial tire having a cap ply manufactured with a polyethylene terephthalate dip cord. The radial tire comprises: a pair of parallel bead cores; at least one radial carcass ply wound around the bead cores; one or more inclined belt layers layered on the outer circumference of the carcass ply; and one or more cap ply layers layered in the circumferential direction of a tire on the outer circumference of the inclined belt layers, wherein the cap ply comprises a dip cord manufactured using a yarn comprising 90 mol % or more of polyethylene terephthalate, and the dip cord has a shrinkage of 3.0-4.0%, a strength of 2.5-3.0 g/d at an elongation of 5%, a breaking strength of 6.5-7.5 g/d, and a dimensional stability index of 5.8-6.5.

A pneumatic tire includes a tread portion; sidewall portions disposed on both sides of the tread portion; a pair of bead portions positioned inward of each of the sidewall portions in a tire radial direction; at least one layer of carcass spanning between the pair of bead portions; and an organic fiber reinforcement layer that is provided to at least one of the sidewall portions and is made of an organic fiber material are provided. The organic fiber reinforcement layer is provided closer to a tire outer surface than the carcass at a position within a range from 50% or greater to 90% or less of a tire cross-sectional height toward an outer side in a tire radial direction from an inner end portion of the bead portion in a tire radial direction.