Abstract: A heavy-load tire has a wind bead structure in which a turned-up portion of a carcass ply is wound around a bead core, in which a bead portion is equipped with a bead reinforcing layer having a U-shaped cross section and a bead apex rubber having a triangular-shaped cross section. The turned-up portion has an auxiliary turned-up portion passing through the vicinity of a radially outer side of the bead core. The bead apex rubber includes a high complex elasticity modulus inner apex portion disposed at a radially inner side and a low complex elasticity modulus outer apex portion disposed at a radially outer side.

Abstract: A pneumatic tire includes an axis of rotation, a carcass, a tread, and a belt structure. The carcass has at least one reinforced ply and a reinforcing structure providing a buffer for absorbing shear strain. The tread is disposed radially outward of the carcass. The belt structure is disposed radially between the carcass and the tread. The reinforcing structure comprises at least one layer of an open construction LENO weave fabric having warp yarns extending in the radial direction and weft yarns extending in the circumferential direction.

Abstract: A cellular tire liner and air chamber system for pneumatic tires comprising a cellular tire liner interposed between the interior surface of a tire and an air chamber with an annular interface that extends from the air chamber to the interior surface of the tire, in the tread area of the tire and disconnects the sidewall portions of the tire liner from each other.

Abstract: To reduce road noise in running by disposing a noise damper made of a spongy material in a cavity of a tire, a tire and rim assembly is provided. The tire and rim assembly 1 including a rim 2, a pneumatic tire 3 attached to the rim 2, and a noise damper 4 made of a spongy material which is disposed in a tire cavity “i” surrounded by the rim 2 and the pneumatic tire 3 and extends in the tire circumferential direction, wherein the noise damper 4 has a volume of 0.4 to 20% of the whole volume of the tire cavity “i” and is fixed to an inner surface 2i or 3i of the tire or rim, the noise damper 4 has a height of 30 mm or less from the inner surface, and the spongy material of the noise damper 4 has a hardness of 10 to 250 N, a tensile strength of 70 kPa or more and a specific gravity of 0.014 to 0.052.

Abstract: In a heavy duty pneumatic bias tire having a ply rating of not less than 58 and an aspect ratio of not more than 80%, a rubber volume as the product of the sum of each distance between ply cords in an inner mutually adjoining carcass ply per 50 mm, the sum of each distance between ply cords in an outer mutually adjoining carcass ply per 50 mm, and a distance between ply cords of mutually adjoining inner and outer carcass plies with respect to three or more inside carcass plies of an innermost ply group in at least a portion corresponding to a position of a maximum tire width is 500-1350 mm3, more preferably 700-1000 mm3.

Abstract: The present invention provides a shock absorber loaded in the inner cavity of a tire enclosed by a tire for a two-wheeler and a rim, which exhibits suitable hardness when starting running and is excellent in cushioning property, both when starting running and during running, due to decrease in hardness as the temperature increases while running. Specifically, the present invention relates to a shock absorber which is loaded in the inner cavity of a tire enclosed by a tire for a two-wheeler and a rim and contacts substantially with the entire inner surface of a tire to be compressed, is circular in the tire circumferential direction and has closed cells; the shock absorber comprising an expanded rubber composition containing at least 5 parts by weight of an organic polymer having a softening point of at least 40° C., based on 100 parts by weight of a rubber component.

Abstract: Provided is a pneumatic radial tire including a carcass layer composed of a carcass ply 12 and a spiral belt layer 26 composed of steel cords wound spirally substantially in parallel with each other to a tire equator surface. When the ratio of spacing R1 between adjacent steel cords of the spiral belt layer 26 is shown by R1=(50?E×ds)/50, the ratio of spacing R1 is 0.45 or less as well as the total sectional area S of the steel cords applied per 50 mm width of the spiral belt layer is 7.5 mm2 or less (E shows the number of steel cords applied per 50 mm width of the spiral belt layer, and ds shows the diameter (mm) of each steel cord). The number of steel cords E applied per 50 mm of width ranges from 66 to 200.

Abstract: A pneumatic tire containing a tread, a carcass having at least one belt ply disposed below the tread, and a cap ply located between the carcass and the tread. The cap ply comprises at least one layer of an open construction leno weave tape having a pair of warp yarns in the longitudinal direction and a weft yarn in the weft direction. The pair of warp yarns comprises a first warp yarn and a second warp yarn, where the second warp yarn has a force of elongation of between about 1 and 40% the force of elongation of the first warp yarn, where the second warp yarn is in tension, and where the second warp yarn has an elongation at break of greater than 2%. The leno weave tape is disposed in a flat pattern around the circumference of the carcass in the area of the belt ply. A method of making a pneumatic tire is also disclosed.

Abstract: A tire for a two-wheeled motorcycle includes a continuous carcass-type reinforcement structure, having reinforcement elements and anchored on each side to a bead. Each bead extends radially by a sidewall, which meets up radially with a tread. Under the tread is a crown reinforcement structure including at least one working layer, and which does not comprise any circumferentially oriented reinforcement elements. Over the profile of the tire in a radial plane, in its part outside of the two points of tangency of the curvilinear abscissa of the carcass-type reinforcement structure with perpendiculars to the axis of rotation at least one layer of working reinforcement elements is at least partially radially to the inside of the part of the carcass-type reinforcement structure radially to the outside of the two points of tangency.

Abstract: A tire for a two-wheeled motorized vehicle includes a carcass-type reinforcement structure, having reinforcement elements anchored on each side to a bead. Each bead extends radially by a sidewall, which meets up radially with a tread. Under the tread is a crown reinforcement structure including at least one working layer of working reinforcement elements, and a layer of circumferentially oriented reinforcement elements disposed radially to the outside of the carcass-type reinforcement structure. Over the profile of the tire in a radial plane, radially to the outside of the two points of tangency of the curvilinear abscissa of the carcass-type reinforcement structure with perpendiculars to the axis of rotation, at least one layer of working reinforcement elements is at least partially radially to the inside of the part of the carcass-type reinforcement structure radially to the outside of the two points of tangency.

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 for a vehicle comprises, an inner wheel (12) adapted to mount to a vehicle having a radially outer surface (34). A first ring (16) is annular and concentric with the inner wheel (12) and has a radially outer (40) and a radially inner (38) surface. An annular inner-tube (14) is securedly positioned between the inner wheel (12) and the first ring (16). A second ring (18) has a radially outer surface (46) and a radially inner surface (44) adapted to mate with first ring (16). A tread (20) is secured to radially outer surface (46) of said second ring (18).

Abstract: An aircraft tire inflated to high pressure and including a tread and a crown reinforcement in the form of composite textile cables which form at least one twin ply of two layers of crossed elements obtained by winding, in a zigzag around a cylindrical support and from one edge of the crown reinforcement to the other, a strip of at least one reinforcement until the two layers of crossed elements form angles of opposing directions of between 8° and 30° with the circumferential direction.

Abstract: A pneumatic tire has a tread with shoulders, a belt structure, a carcass, and a radial ply structure. The shoulders have a continuous curving radially outer profile so that the shoulders transition smoothly from the tread profile to the tire sidewalls. The locus of the radii defining the shoulder is located on the inner side of the tire. The tire has a belt structure formed of an annular layer of parallel cords directly adjacent to the radial ply structure, the annular layer having a pair of opposing annular edges and a continuous radius curve profile. Located radially inward of the axial edges of the annular layer is an annular reinforcing strip layer. The strip has a width of not greater than 30 mm and extends axially outward by a distance of not more than 10 mm.

Abstract: This invention relates to a tire having an improved durability in the run-flat running without damaging the ride comfort in the usual running, and more particularly to a run-flat tire comprising a sidewall portion provided with a side reinforcing rubber layer having a crescent shape at section wherein a cord layer including a polyketone fiber cord satisfying the following conditions of the following equations (I) and (II): ???0.01×E+1.2??(I) ??0.02??(II) [wherein ? is a thermal shrinkage stress at 177° C. (cN/dtex) and E is an elastic modulus at 25° C. under a load of 49 N (cN/dtex)] is disposed in at least a part of a region A ranging from a belt end to a maximum width part of a tire side portion and a region B ranging from a neighborhood of a bead core to a bead filler.

Abstract: A pneumatic radial tire for a passenger car having a pair of bead portions and a carcass having at least one carcass ply toroidally extending between a pair of bead cores embedded in the respective bead portions and containing organic fiber cords. The organic fiber cord is a polyketone fiber cord satisfying the following equation: ???0.01E+1.2 and ??0.02, where ? is a thermal shrinkage stress at 177° C. (cN/dtex) and E is an elastic modulus at 25° C. under a load of 49N (cN/dtex). The cord has a ply-twisting coefficient N1 of 0.35-0.70 and a cable-twisting coefficient N2 of 0.50-0.95, where N1=n1×(0.125×D1/?)1/2×10?3, N2=n2×(0.125×D2/?)1/2×10?3, n1 is a ply twisting number (turns/10 cm), n2 is a cable twisting number (turns/10 cm), D1 is dtext of ply-twisted yarn, D2 is a total dtex, and ? is a specific gravity of the cord (g/cm3).

Abstract: A pneumatic tire with a noise damper made of a spongelike multi-cellular material is disclosed. The noise damper is divided into small dampers to improve the high-speed durability of the tire. The noise damper is provided with a water-impermeable outer coating to prevent water from infiltrating into the spongelike multi-cellular material during transporting, store keeping and the like.

Abstract: A noise damper disposed in a tire cavity formed by a pneumatic tire and wheel rim is disclosed. A noise damper designed to use with a wheel rim comprises an annular body disposed around a damper-mounting portion of the wheel rim, and the annular body is made of a spongy material having an inside diameter of from 0.9 to 1.10 times an outside diameter of the damper-mounting portion. A noise damper designed to use with a pneumatic tire comprises an annular body disposed in a tire hollow, and the annular body is made of a spongy material having an outside diameter of from 1.00 to 1.10 times the maximum inside diameter of the tire hollow.

Abstract: A radial tire for airplane comprises a pair of bead cores, a radial carcass, and a belt disposed on an outer periphery of a crown portion of the radial carcass and comprised of plural belt layers each containing organic fiber cords, in which a total strength in a circumferential direction over a full width of the belt Tbelt(N) satisfies Tbelt/WD?1.5×106 when an outer diameter of the tire is D (m) and a width of the tire is W (m), and at least one layer of the belt layers is constituted with an organic fiber cord spirally winding at an angle of approximately 0° with respect an equatorial plane of the tire and satisfying the following equations (I) and (II): ???0.01E+1.2??(I) ??0.02??(II) (wherein ? is a heat shrinkage stress at 177° C. (cN/dtex) and E is an elastic modulus at 25° C. under a load of 49 N (cN/dtex)).

Abstract: A run-flat tire of improved load bearing capacity after being punctured is disclosed. The tire has two circumferential sidewalls, at least one circumferential intermediate wall interposed between the sidewalls, and a transverse base extending from one sidewall to the other and defining a compartment between a sidewall and an adjacent intermediate wall or between two adjacent intermediate walls. Each compartment is adapted to assume an expanded symmetrical configuration when an adjacent sidewall or intermediate wall is punctured. A carcass portion is provided within each sidewall, each intermediate wall and base. A shock absorber is provided in the vicinity of a junction connecting each intermediate wall to the base. A padding element is affixed to the inner liner portion applied to the bead wrap of each intermediate wall.