Abstract: Provided are tread rubber compositions and pneumatic tires which are excellent in fuel economy, handling stability, and abrasion resistance. Included are tread rubber compositions having a M200 at 25° C., a E* at 30° C., and a tan ? at 30° C. which satisfy the following relationship: M200×E*/tan ??400.

Abstract: There is provided a pneumatic radial tire having favorable steering stability required as a high performance radial tire designed for high performance cars, durability and good cost performance. The pneumatic radial tire is framed by a carcass 1 toroidally extending between a pair of bead portions 11 and has at least two layers of crossing belt layers 2 (2a, 2b) formed by rubberizing steel cords and disposed around an outside of a crown portion thereof in a radial direction. The steel cord has a single strand structure or a core-single layer sheath structure composed of six to ten steel wires of 0.10 to 0.20 mm in diameter, a number of driven steel cords is 40 cords/50 mm or more and a distance between the adjacent steel cords within the belt layer is 0.3 mm or more.

Abstract: A pneumatic tire includes a carcass with a plurality of ply cords braided into an interlaced structure. Each of the ply cords follows a geodesic path from a first sidewall portion across a crown portion to a second sidewall portion. The pneumatic tire also includes a rubber layer encasing the carcass and including a tread adjacent the crown portion. The pneumatic tire does not include any beads because the plurality of carcass plies is folded onto itself at each of the first and second sidewall portions. Thus, the benefits of geodesic plies and braided ply construction are achieved by the pneumatic tire.

Abstract: Tire comprising at least one carcass-type reinforcing structure (6) anchored on each side of the tire. The anchoring includes a turning up of the carcass-type reinforcing structure around a bead core (15) in such a way as to form a turned-up section (8). The tire also includes at least one circumferential bielastic reinforcing element (10) made of a bielastic fabric, in which the fabric employed is a bielastic knitted fabric, that is a stitched fabric in which the loops forming the stitches are capable of moving relative to each other. The at least one bielastic reinforcing element (10) being arranged so as to extend substantially parallel along a portion of the reinforcing structure (6) which is situated in that region of the bead (4) of the tire that is axially outward relative to the reinforcing structure, in the immediate vicinity of the latter.

Abstract: A pneumatic tire has an axis of rotation. The pneumatic tire includes a carcass having at least one reinforced ply and a reinforcing structure proximal to a bead region of the pneumatic tire, a tread disposed radially outward of the carcass, and a belt structure disposed radially between the carcass and the tread. The reinforcing structure includes at least one layer of an open construction woven or knitted fabric having warp yarns extending in a circumferential direction and weft yarns of the carcass ply extending in a radial direction.

Abstract: A pneumatic tire has an axis of rotation. The pneumatic tire includes a reinforced ply placed in a predetermined location on a toroidal surface, a tread disposed radially outward of the reinforced ply, and a belt structure disposed radially between the reinforced ply and the tread. The reinforced ply includes at least one layer of an open construction woven or knitted fabric having warp yarns extending in a circumferential direction and weft yarns extending in a radial direction.

Abstract: A pneumatic tire carcass having at least one ply of stabilizing fabric. The stabilizing fabric has a machine direction and a cross machine direction. A plurality of high tenacity reinforcing yarn elements are disposed in the cross-machine direction. A plurality of machine direction yarn elements of relatively lower tenacity than the reinforcing yarn elements are disposed in the machine direction. A segment of the stabilizing fabric is disposed within the carcass with the machine direction yarn elements being in substantial alignment with the direction of tire rotation and with the cross-machine direction oriented radially relative to the direction of tire rotation.

Abstract: This invention provides a pneumatic tire having a highly improved steering stability, wherein a reinforcing layer formed by spirally winding a strip-shaped triaxial fabric or triaxial fabric-rubber composite having a width W satisfying a relation of the following formula (I): W?2/3×31/2×(2b/a+d)??(I) [wherein d=4×(D/(??))1/2×10?2, D is a thickness (total dtex) of cord constituting the triaxial fabric, ? is a density (g/cm3) of the cord constituting the triaxial fabric, and a is weaving density (cords/b mm) in one axis constituting the three axes] in a circumferential direction of the tire is disposed in one or more of a bead portion 1, a sidewall portion 2 and a belt portion 5.

Abstract: A tire comprising a carcass reinforcement radially surmounted by a crown reinforcement comprising at least one layer of reinforcements, the tire furthermore comprising a bielastic reinforcing element extending circumferentially and comprising a bielastic fabric, the bielastic reinforcing element being, at least in part, radially adjacent to a portion of at least one reinforcing layer of the crown reinforcement, in the immediate proximity of an axial end of this reinforcing layer of the crown reinforcement.

Abstract: A tire comprising at least two working layers and at least one layer of reinforcing elements. The layer of circumferential reinforcing elements comprises at least a central part and two axially exterior parts, the extent to which the circumferential reinforcing elements of the central part are penetrated by the rubber compound with which they are coated being less than the extent to which the circumferential reinforcing elements of the axially exterior parts are penetrated by the rubber compound with which they are coated.

Abstract: The present invention provides a rubber composition for coating a steel cord in a belt layer which can decrease a decreasing rate of tensile properties caused by deterioration of thermal oxidation, inhibiting peeling from the steel cord and further reducing a rubber flow, and a steel cord coated with a carcass layer comprising the same. The present invention relates to a rubber composition for coating a steel cord comprising (A) at least 3 parts by weight and less than 5 parts by weight of sulfur, (B) 0.1 to 1 part by weight of hexamethylenebisthiosulfate disodium salt dihydrate, and (C) a cobalt salt of an organic acid containing boron based on 100 parts by weight of a rubber component, wherein the amount of cobalt in the cobalt salt of a boron containing organic acid (C) is 0.05 to 0.25 part by weight based on 100 parts by weight of the rubber component, and a steel cord coated with a carcass layer comprising the same.

Abstract: The invention relates to a tire comprising at least one, and preferably at least two, reinforcing structures of the carcass type, one inner one and one outer one, possibly one or more crown reinforcing structures, at least one circumferential bielastic reinforcing element consisting of a bielastic fabric in which the said fabric used is a bielastic knit, namely a loop mesh fabric the mesh-forming loops of which are able to move relative to one another in the direction of knitting and in the direction perpendicular to the direction of knitting, the said bielastic reinforcement being positioned in such a way as to run substantially parallel along a portion of a reinforcing structure.

Abstract: This invention provides a pneumatic tire having a highly improved steering stability, wherein a reinforcing layer formed by spirally winding a strip-shaped triaxial fabric or triaxial fabric-rubber composite having a width W satisfying a relation of the following formula (I): W?2/3×31/2×(2b/a+d)??(I) [wherein d=4×(D/(??))1/2×10?2, D is a thickness (total dtex) of cord constituting the triaxial fabric, ? is a density (g/cm3) of the cord constituting the triaxial fabric, and a is weaving density (cords/b mm) in one axis constituting the three axes] in a circumferential direction of the tire is disposed in one or more of a bead portion 1, a sidewall portion 2 and a belt portion 5.

Abstract: A pneumatic tire has a pair of shoulder portions extending between a tread portion and opposed sidewall portions. The tire has at least one ply of a composite fabric. The composite fabric has three layers with the middle layer comprising a plurality of straight warp yarns wherein the three layers are bound together with binder yarns. At a minimum, the composite fabric ply is located in the tire shoulders.

Abstract: A method of making reinforcing elements for a vehicle tire includes laying down at least one continuous thread element on a support element of the tire according to a deposition path substantially concentric with a rotation axis of the tire. A tire for a vehicle wheel includes a carcass structure, a belt structure, a pair of sidewalls, a tread band, and reinforcing elements. The reinforcing elements include at least one continuous thread element formed into coils around a rotation axis of the tire. For the method and in the tire, the at least one continuous thread element is superposed on itself at a plurality of crossing points.

Abstract: A rubber-coated fabric 10 for a tire, obtained by rubber-coating a rattan blind woven stuff 14 in which wefts 11 and warps 12 made of tire cords 13 are woven into a rattan blind form. The wefts 11 have a break elongation of 4 to 30% and a break strength of 3 to 15 N.

Abstract: A tire comprising at least one reinforcement structure of carcass type, a crown reinforcement, each bead being extended radially towards the outside by a sidewall, the sidewalls joining a tread radially towards the outside, the reinforcement structure comprising:

Abstract: The present invention relates to a pneumatic tire for a bicycle, especially a mountain bike, the tire having on each respective left and right side a bead each comprising a bead core. A carcass, preferably a diagonal carcass, which has at least one ply of cords, is wound about each bead core. The tire of the present invention also comprises sidewalls extending radially from the axial edges of its tread which each have a textile sheet structure for wear protection on the outer sides of the carcasses.

Abstract: A tire structure includes a breaker composed of nylon and kevlar, and a tread is attached on an outside of the breaker. The breaker includes two sidewalls which are formed by the nylon and kevlar woven alternatively with each other at an angle.

Abstract: The present invention relates to a wrapped cord, to a method of making said wrapped cord, to a method of treating said wrapped cord with an adhesive treatment composition, to the treated wrapped cord obtainable by said method as well as to a reinforced rubber article comprising said treated cord, such as automotive tires.

Abstract: Rubber composites, for example pneumatic tipes, can be made using seamless, tubular reinforcement (14). By pulling socks of seamless tubular reinforcement over, for example, a tire building drum (10), spliceless carcass reinforcement (18) and spliceless belts (64) can be incorporated into tires. Methods of treating the spliceless tubular material, by drawing and by adhesive coating, enhance its strength and adhesion to rubber.

Abstract: A pneumatic tire comprises a tread portion, a pair of sidewall portions, a pair of bead portions, a radial carcass toroidally extending between a pair of bead cores and wound around the bead core from an inside toward an outside in the radial direction, a bead filler, and a reinforcing rubber arranged at the inside of the sidewall portion in the widthwise direction of the tire, wherein at least one cord reinforcing layer made from a cord(s) extending in an angle direction of approximately 90° with respect to a radial line segment is arranged in a region ranging outward from a vicinity of the bead core in the radial direction and has a width in the radial direction of the tire corresponding to 10-50% of a section height of the tire.

Abstract: A radial tire having at least one side wall and a carcass reinforcement consisting of at least one ply (20) reinforced by parallel threads (24) in substantially radial direction, termed radial threads, and having at least one lap weld (21) formed by superposition of two ends (22, 23) or adjacent elements of said ply, characterized in that, in the side wall, the general orientation (D2) of the lap weld is oblique with respect to the direction (D1) of the radial threads (24). The radial tire for a passenger vehicle or van, has a carcass reinforcement which includes a single radial ply, the radial threads (24) having in particular a polyester, particularly polyethylene terephthalate base. The tire according to the invention, compared to prior art radial tires, presents an improved outward appearance of the side walls.

Abstract: A radial tire having two carcass half-reinforcements anchored on each side f the tire in a bead, the base of which is intended to be mounted on a bead seat of a wheel rim, each bead having at least one bead wire, the carcass half-reinforcements being joined together by connecting means. Each carcass half-reinforcement consists of a carcass filament which is wrapped around the bead wire to form adjacent strands running from said bead wire at least as far as said connecting means. The strands are arranged in a number of groups of two adjacent strands connected by a loop at the connecting means, the two adjacent strands of each group passing axially on the same side of the bead wire, and alternately axially on one side then on the other side of the bead wire, when passing from one group to the next group.

Abstract: Tire fabrics for reinforcing rubber which includes warps having straight portions arranged in parallel with each other at predetermined intervals and wefts woven with the warps. Each weft comprises a pair of parallel portions and a V-shaped connecting portion. The V-shaped connecting portion is provided at the edge portion of the tire fabric.

Abstract: A toroidal carcass (1) for road vehicle tires, of the type presenting two annular beads (2, 3) connected by a toroidal reticulated structure (5) defined by tow numbers of loops (6, 7) extending in offset radial planes of the carcass (1) and from the respective beads (2, 3) to the center line of the reticulated structure (5); the loops (6, 7) being formed by winding respective continuous cords (8, 9) about the beads (2, 3) and being connected by a further continuous cord (13) extending along the center line of the reticulated structure (5).

Abstract: A toroidal road vehicle tire carcass comprises two annular beads connected by a substantially tubular toroidal reticulated structure defined by a number of elongated reinforcing elements extending between and substantially radially in relation to the beads. The carcass is produced using at least one continuous cord for forming a first and a second continuous series of oppositely-oriented U-shaped loops, wherein the loops in both series are connected so as to weave the substantially tubular reticulated structure enclosing the two beads.

Abstract: A method and device for producing a toroidal road vehicle tire carcass, the carcass presenting an annular frame rotated about its axis in relation to a knotting device located outside the frame and employing two continuous cords for producing, on the frame, a number of substantially radial, elongated reinforcing elements, each defined by a loop. Each loop is formed by winding in a U, an intermediate portion of a respective cord, wound about a respective annular bead forming part of the frame, and which is drawn towards the other bead and connected to a corresponding loop in the other cord to form with the same a reticulated "boucle" structure enclosing the two beads.

Abstract: A fiber-reinforced rubber article has a rubber body portion with a fiber reinforcement embedded therein. The fiber reinforcement includes a plurality of tubular braided cords braided by yarns. Each of the tubular braided cords is braided by more than three yarns at a braid angle in a range between 10.degree. and 35.degree., wherein said braid angle is an angle between a yarn of the tubular braided cord and the axial line of the tubular braided cord. Each tubular braided cord also has a fistulous center hole defined by the tubular braided cord.

Abstract: A toroidal road vehicle tire carcass (1) having two annular beads (2) connected by a toroidal reticulated structure (4) defined by a number of elongated reinforcing elements located between and extending substantially radially in relation to the beads (2), is formed from a single continuous cord (5) for forming a succession of substantially identical groups (6) of elongated reinforcing elements, wherein each group (6) is defined by a first (7) and second (8) U-shaped loop having respective open ends (10) and respective closed ends (11) arranged along an annular interconnection line (9) extending centrally in relation to the beads (2). Each loop (7, 8) is wound about a respective bead (2), and has an open end (10) engaging the closed end (11) of the other loop (8, 7).

Abstract: A method of woven webs comprising tire cord splicing headers or tabbies can be stabilized against lateral (weft) distortion without the need for temples, by incorporating reinforcing weft strands of a stiff resilient yarn, i.e. a composite yarn comprising a stiff resilient core mantled with fibers, i.e. staple fibers applied by a core spinning technique.

Abstract: Pneumatic tires are rendered less susceptible to blow or blister defects by providing, in at least one cord reinforcement ply of a tire, a plurality of gas absorbing cords with the reinforcement cords and gas absorbing cords lying in the same general plane and with the gas absorbing cords consisting of staple hollow filaments. The gas absorbing cords may be used as fill yarn in weaving fabric employing parallel reinforcement cords.

Abstract: A bias weave fabric wherein the weft elements (2) have a tensile modulus of at least 30,000 N/mm.sup.2 and the angle .alpha. between warp (3, 4) and weft (9) is between 10.degree. and 85.degree. whereas the packing factor (b/c) is between 30% and 90%. A process and apparatus for transforming a regular weave fabric (11) to a bias weave fabric is also covered whereby the regular fabric is guided in a zig zag path between a set of rollers (22a-22b) crosswisely arranged in a frame (20).

Abstract: A tire body reinforcing component is provided for underlying the tread and at least the sidewall regions of a pneumatic tire. The component comprises at least one continuous cord disposed across the width of said component from one edge to the other thereof. The component forms at least one tread section for underlying the tread region and extending along the circumferential direction of the tire wherein said continuous cord is disposed in a generally zig-zag pattern and is positioned across the width of said tread section at an angle to the edges of said component. The lengths of said cord in said tread section are interleaved with lengths disposed at an opposite angle to the edge of said component along at least one line substantially parallel to and intermediate the edges of said component. Also provided is a method for producing the tire body reinforcing component.

Abstract: A pneumatic tubeless tire is produced in such a way that the tire cord fabric (also known as the tire carcass fabric or ply fabric) has the ends thereof secured during tire building so that separation of the cord fabric ends, and a resulting blemish, does not occur. The carcass fabric is wrapped around a rubber inner lining body with turned up portions of the carcass fabric at a pair of beads on opposite sides of the body, during tire construction. The free ends of the carcass fabric are butted together around the body, to provide a butt seam. The free ends are held together in substantial butting position by placing an open mesh warp knit splicer fabric highly extensible in both the machine and cross-machine directions over the butt seam and affixing the splicer fabric in place using adhesive or the like. Rubber tack may be applied over the splicer fabric. The open mesh fabric appears to have no machine direction or cross-machine direction yarns, but only bias yarns.

Abstract: A pneumatic tire containing a ply having a knitting fabric which is formed by arranging warps parallel to each other, setting wefts on the warps to cross the warps at an angle of 60.degree. to 90.degree. without weaving, and twining fine knitting yarns around the warps and the wefts. The ply is used as a chafer, a bead filler or a carcass of a bias tire and reinforces the pneumatic tire. The pneumatic tire is excellent in uniformity and durability, and the weight and the cost of the tire can be reduced.

Abstract: A method of building a tire in a mold having a mold core and a cavity between the mold core and the inner walls of the mold, the cavity defining tread, sidewa1l, and bead areas of the tire. A flexible mesh fabric is tied to the mold core by tying together corresponding ends of strings running through respective edges of the fabric extending around respective sides of the core. The fabric serves as a spacer between a radial reinforcement and an inner surface of the tire. The fabric is placed on the core such that it remains in spaced relation to the bead ring area of the tire. The tire body is formed of a castable or sprayable elastomer.

Abstract: In an open-sided bicycle tire having a plurality of carcass plies enclosing a pair of beads, and extending over the sidewalls and tread of the tire, at least one ply of a breaker is disposed between the plies of the carcass lying immediately under the tread.

Abstract: A pneumatic vehicle tire having a carcass and belt made of shot-in cord fabric. In order to achieve a uniform thread density of the warp threads over the width of the layers required for forming the cord fabric, the present invention provides woof threads of finite length. The ends of these threads are guided back into the fabric by an extent which is sufficient to hold them in the fabric structure.

Abstract: A tubular tire for cycles comprising a tubular toroidal body including an inner airtight tube to be inflated, the tire body or carcass being equipped, on the outer surface mating the wheel rim, with a rubberized tape having projecting portions such as profiles or prominences adapted to ensure a better engagement between the tire and the rim.The carcass is built by longitudinally joining together the edges of a rubberized fabric, the junction being radially external with respect to the tire and below the tread. The edges are joined either by overlapping or by abutment of the edges. In this latter case a reinforcement strip is provided between the carcass and the tread. An additional narrow strip protecting the junction is provided between the carcass and the inner or air tube.According to an embodiment the tire has a tunnel shaped cross-section obtained by suitably shaping the rubberized tape and the tire body when vulcanizing the tire.

Abstract: A tire cord fabric is disclosed, comprising a plurality of parallel warp threads and a plurality of weft threads interwoven with said warp threads. The weft threads have before dipping of the fabric a length which is longer than the width of the tire cord fabric by approximately the extent of the crimp or shrinkage occuring during dipping. The ends of the weft threads are returned into the fabric before dipping but during dipping such ends are more or less completely drawn out of the fabric due to the shrinkage or increased crimp so that they are finally positioned at the normally woven rims of the tire cord fabric.

Abstract: A tire with a crown comprising a strengthening reinforcement and at least one protective ply arranged above the strengthening reinforcement is characterized by the fact that the protective ply has the following features: it comprises a three-dimensional fabric impregnated with rubber; the fabric comprises warp threads and woof threads; the warp threads and the woof threads undulate; the warp threads and the woof threads are made with one or more materials whose rupture stress is less than 140 kg/mm.sup.2 ; and the porosity of the fabric before impregnation with rubber varies from 60% to 90%.