Abstract: A vehicle tire includes an outer tire, the outer tire having an intermediate layer of breaker of woven fabrics, a bottom layer of breaker of woven fabrics, and two inward lips respectively extended along two ends thereof, and an annular tire support structure mounted in the outer tire and connected between the lips of the outer tire, the annular tire support structure being formed of a plurality of reinforcing bearing devices connected in series and fastened to the lips of the outer tire, the reinforcing bearing devices each formed of a smoothly arched left bearing member and a smoothly arched right bearing member hooked up with the left bearing member.

Abstract: A high-transverse-curvature tire (1), in particular for mounting onto the rear wheel of motor-vehicles, comprises a tread band (8), coaxially extended around a belt structure (6), wherein a plurality of rubber blocks (10), defined between a plurality of grooves (1 1) extending along a direction substantially transverse to the tire running direction (D), are formed which grooves comprise a bottom (12) connected to opposite inlet (13) and outlet (14) sidewalls. In an equatorial zone (E) of the tread band (8), the inlet wall (13) of the grooves (11) is inclined with respect to the bottom (12) of the same towards the tire rolling direction, and forms an angle (&agr;) of from 50° to 80° with respect to a plane (&pgr;) tangent to the bottom (12).

Abstract: A very light weight tire 10 has at least one radial ply 38 and a rayon belt structure 36, having two single cut belt layers 50, 51 covered by an overlay 59 having cords 80 selected from the group of aramid, rayon, PEN, PET and PVA. The tire 10 has a very thin or reduced gauge (t) undertead 13. The tire 10 can be made having very low rolling resistance due to the combination of casing structure and the reduced rubber mass.

Abstract: A high-transverse-curvature tire (1), in particular to be mounted on the front wheel of a motor-vehicle, comprises a belt structure (6) including, in a radially external layer (9a), a plurality of circumferential coils (7a), axially arranged side by side, of a cord (7) wound at a substantially zero angle with respect to the equatorial plane (X--X) of the tire. The area occupied by rubber blocks (10) formed in a portion of the tread band (8) having a length equal to the pitch (p) of the tread pattern and a width equal to the axial development of the tread band (8), is between 70% and 90% of the total area of said portion.

Abstract: A pneumatic radial tire has at least two belt layers disposed at a tread portion thereof, wherein the two belt layers are constituted by inclining a strip formed by aligning a plurality of reinforcing cords to a tire circumferential direction and extending it zigzag in the tire circumferential direction so that the strip is turned back from the lower belt layer to the upper belt layer at both end portions of the two belt layers, and zone portions in which the reinforcing cords incline to the right in the tire circumferential direction and the zone portions in which the reinforcing cords incline to the left in the tire circumferential direction are alternately arranged.

Abstract: A metallic cord for the reinforcement of elastomers has a 4+3 construction wherein the diameter of each filament ranges from 0.35 to 0.50 mm. The lay length of the four filaments in the core may be infinity. A pneumatic tire has a belt structure of at least two radially overlapped layers of elastomeric materials reinforced with metallic cords, each metallic cord of at least one of the layers being the 4+3 metallic cord.

Abstract: A very light weight tire 10 has at least one radial ply 38 and a aramid belt structure 36, having two single cut belt layers 50,51 covered by an overlay 59 having cords 80 selected from the group of aramid, rayon, PEN, PET and PVA. The tire 10 has a very thin or reduced gauge (t) undertead 13. The tire 10 can be made having very low rolling resistance due to the combination of casing structure and the reduced rubber mass.

Abstract: A very light weight tire 10 has at least one radial ply 38 and a fiberglass belt structure 36 covered by an overlay 59 having cords 80 selected from the group of aramid, rayon, PEN, PET and PVA. The tire 10 has a very thin or reduced gauge (t) undertead 13. The tire 10 can be made having very low rolling resistance due to the combination of casing structure and the reduced rubber mass.

Abstract: The tire of this invention has a belt package with a combination of a steel refinforced inner belt ply and an aromatic polyamide reinforced outer belt ply. The strength per unit width of the aromatic polyamide reinforced ply is made to be within 30 percent greater than the strength per unit width of the steel reinforced belt ply. The tire of this invention has angles of the aromatic polyamide reinforcing members from the mid-plane greater than the angles of the steel reinforcing members from the same mid-plane by 1 to 8 degrees. High impact endurance values are disclosed to be a function of the difference in bending stiffness values for each ply as well as a function of the composite shear stiffness values.

Abstract: A tire, having at least one carcass reinforcement, furthermore comprises itional reinforcement ply (1) of maximum circumferential length L, composed at least of lengths (20) of metal wires or cables, of lengths of between 0.1 L and 0.5 L, arranged substantially circumferentially, parallel to each other and forming rows separated from each other, in the direction perpendicular to their orientation, by gaps (p, P), characterized in that a textile cord or cable (3) of synthetic material is present in at least one gap out of two, and continuous over the entire length of the rows.

Abstract: A pneumatic tire having an aspect ratio of not more than 55% comprises a carcass composed of a single carcass ply, in which a turnup end portion of the carcass ply is disposed between an end portion of a belt and a crown portion of the carcass ply, and distances L.sub.1 and L.sub.2 from a central position of a bead core to an outer end of a bead filler and to a maximum width of the carcass in the radial direction of the tire satisfy a relationship of L.sub.1 .gtoreq.L.sub.2 and within given ranges with respect to a section height (H) of the tire, respectively.

Abstract: A front tire for-wheeled vehicles comprising a carcass of toric form having a high transverse curvature and provided with a central crown and two sidewalls terminating in a pair of beads for anchoring to a corresponding mounting rim, a tread band located on the crown and a circumferentially-inextensible belt structure disposed between the carcass and tread band. The belt structure at a radially external position is comprised of a layer of cord coils substantially disposed at a zero angle to the equatorial plane of the tire in axial side-by-side relationship and extended from one axial extremity of the belt to the other axial extremity of the belt. The winding thickness of the cord coils increasingly grows from the equatorial plane to the belt axial extremities.

Abstract: A pneumatic vehicle tire comprises a carcass, a tread strip, and a breaker arrangement arranged between the carcass and the tread strip. The breaker arrangment includes at least two breaker plies which have threads or cords which serve as load-carrying members and extend at an angle to the mid-circumferential plane of the tire. A breaker cover surrounds the breaker arrangement at least in the region of the breaker arrangement's axial side edges. The breaker cover has at least one cover ply consisting of threads or cords which extend at least substantially in the circumferential direction of the tire. The breaker cover is formed of a helically wound strip bandage. At least one respective ply separating cushion layer is present in each of the two axial side regions of the breaker arrangement.

Abstract: A radial pneumatic tire having excellent run-flat durability. The tire is equipped with a belt (4), which includes a plurality of metal cord layers, and a tread (5) successively placed at a periphery of a crown portion (3) of a toroidal radial carcass (2), and is equipped with, at an inner peripheral surface of the side portion (6) of the carcass, a rubber reinforcing layer (7) having a crescent moon shaped cross-section and bearing and supporting load. The tire has an auxiliary belt (8) disposed between the carcass and the belt and including organic fiber cords which are oriented substantially cross to the cords of the carcass and the cords of the belt with respect to a central equatorial plane, the cords of the auxiliary belt substantially crossing the central equatorial plane.

Abstract: The tire of this invention has a belt package with a combination of a steel refinforced inner belt ply and an aromatic polyamide reinforced outer belt ply. The breaking strength, tensile modulus, secant modulus and other material properties for the reinforcing members in each belt ply are defined. The strength per unit width of the aromatic polyamide reinforced ply is made to be within zero to 30 percent greater than the strength per unit width of the steel reinforced belt ply. The tire of this invention has angles of the aromatic polyamide reinforcing members from the mid-plane greater than the angles of the steel reinforcing members from the same mid-plane by 1 to 8 degrees. High impact endurance values are disclosed to be a function of the tensile modulus, breaking strengths and belt ply widths for each ply as well as a function of the composite shear stiffness values.

Abstract: A pneumatic vehicle tire comprises a single ply or multi-ply radial carcass anchored to beads, a tread, and a breaker arrangement provided between the carcass and the tread. The breaker arrangement is preferably built up of at least two cut breaker plies with the threads or cords of the cut breaker plies, which serve as strength carriers and extend parallel to one another in the respective ply, crossing at a predetermined angle to the central mid-circumferential plane. The tire also comprises at least one cover ply of cords or threads extending substantially in the circumferential direction of the tire, at least one cover ply surrounding the breaker arrangement at least in the breaker arrangement's edge regions. In the preferred embodiment the breaker arrangement (4) has threads or cords (9) of non-metallic material and a material with a low thermal shrinkage or no thermal shrinkage is used as the material for the treads or cords (8) of the at least one cover ply (5).

Abstract: A pneumatic tire in which sub-grooves extending at least in the widthwise direction of the tire are provided in a center portion of a tread surface and shoulder portions thereof on both sides of the center portion at a predetermined pitch, both the width and depth of the sub-grooves in the two shoulder portions being set larger than those of the sub-grooves in the center portion, a ratio of the area of the sub-grooves in the two shoulder portions to that of the tread surface being set larger than a ratio of the area of the sub-grooves in the center portion to that of the tread surface. This tire can be used with the air pressure therein set higher under the on-road travelling condition, and lower under the off-road travelling condition.

Abstract: A radial tire has a crown reinforcement (3) having at least two work crown lies (31, 32) of crossed inextensible metal cords, making angles of between 10.degree. and 45.degree. with the circumferential direction XX', and two limiting blocks (40) each composed of at least one ply of metal cords oriented at an angle of between 0.degree. and 10.degree., the blocks (40) being arranged in two separate regions on either side of the equatorial plane XX' and radially between the carcass reinforcement (1) and the radially outermost work crown ply (32). The two limiting blocks (40) are axially joined together by an additional reinforcement (41) which is composed of at least one ply of circumferentially oriented textile or metal cords and is centered on the equatorial plane XX', its tensile rigidity being at most equal to 0.5 times the tensile rigidity of the most extensible ply of the limiting blocks (40).

Abstract: A radial medium truck (RMT) tire has belt or breaker plies which are reinforced by organic reinforcement cords or filaments. In one embodiment, organic monofilaments are used in the belt or breaker plies which have the following characteristics: at least 2,000 denier (2,200 dTex), a tenacity of at least 3.5 g/denier (31 cN/TeX), an initial modulus of at least 30 g/denier (265 cN/Tex) and a shrinkage of at most 6%.

Abstract: The radial pneumatic passenger car tire of this invention has three belt plies. The inner and outer plies are constructed essentially the same having the same cord material disposed at an angle of approximately 15 to 20 degrees. The belt reinforcing members in the inner and outer plies can be of a textile cord material or preferably are of a nylon monofilament material. The middle ply of the three belt plies has reinforcing members at an opposed cord angle to the other plies of approximately -15 to -20 degrees. The middle ply is made with reinforcing members being either of textile cords or preferably metallic cables.

Abstract: A pneumatic radial tire comprises a pair of bead cores, a carcass extending toroidally between the bead cores, a stiffener disposed one on each of bead cores and a belt comprising rubberized cord plies and disposed on a crown portion of the carcass, wherein the rubberized cord plies comprise a first rubberized ply having steel cords inclined with respect to the tire equatorial plane and at least one second rubberized ply having organic fiber cords extending substantially in parallel with the tire equatorial plane, the relation between the height H of the stiffener in the radial direction and the section height SH of the tire is given by 0.4 SH.ltoreq.H.ltoreq.0.6 SH, and the average thickness d of the upper portion of the stiffener defined between a height corresponding to 0.35 SH and the top of the stiffener is given by 0.5 mm.ltoreq.d.ltoreq.0.2 D where D is the thickness of the stiffener at the bottom portion adjacent to the bead core.

Abstract: A pneumatic tire particularly adapted for cars, is provided with belt strips (7, 8) each comprising a first and a second series of cords (7a, 7b, 8a, 8b) made of different materials, alternated with each other axially across the width of the tire according to a preestablished sequence. The cords (7b, 8b) of the second series, made of aramid or glass for example, cooperate with those of the first series (7a, 8a), made of steel, to withstand tensile stresses in the longitudinal direction. Conversely, the cords (7b, 8b) of aramid or glass have a greater compliance than the steel cords (7a, 8a) towards compressive stresses. The elastomer incorporating the cords (7a, 7b, 8a, 8b) is filled with reinforcing fibers, short aramid fibers or aramid pulp for example, and has a modulus of elasticity between 15 and 50 megapascals.

Abstract: A pneumatic radial tire is formed by disposing a single steel cord belt layer on the outer side of a carcass layer in a tread, and providing a cylindrical organic fiber cord belt layer of a double structure on the outer side of the steel cord belt layer by winding a tape, which is obtained by burying one or a plurality of organic fiber cords in parallel with each other in a matrix, around the steel cord belt layer while bending the tape zigzag.

Abstract: The tire of this invention has a belt package with a combination of a steel refinforced inner belt ply and an aromatic polyamide reinforced outer belt ply. The strength per unit width of the aromatic polyamide reinforced ply is made to be within 30 percent greater than the strength per unit width of the steel reinforced belt ply. The tire of this invention has angles of the aromatic polyamide reinforcing members from the mid-plane greater than the angles of the steel reinforcing members from the same mid-plane by 1 to 8 degrees. High impact endurance values are disclosed to be a function of the difference in bending stiffness values for each ply as well as a function of the composite shear stiffness values.

Abstract: The radial pneumatic tire of this invention is suitable for use on passenger cars, light trucks, or the like. The belt package of this otherwise conventional tire has three belts which are preferably steel. The first belt is at an angle of 55 to 80 degrees, the second belt is at an angle of 18 to 28 degrees and the third belt is at an angle or -18 to -28 degrees with respect to the midcircumferential plane. The parallel reinforcing members of the first belt ply are spaced apart a distance at least equal to the parallel reinforcing members of the second belt ply. The parallel reinforcing members of the third belt ply are spaced a distance apart a distance less than those of the second belt ply. The strength per unit width in the circumferential direction of the first belt ply is less than the strength per unit width in the circumferential direction of the second belt ply. The strength per unit width of the third belt ply is greater than that for the second belt ply.

Abstract: A motorcycle radial tire comprises a tread reinforced between its edges by a breaker assembly and having in its normally inflated fitted condition a camber value C/L of between 0.5 and 0.7, a reinforcing carcass of radially disposed cords extending radially inside the breaker assembly and between two bead regions and wrapped in each bead region around an annular bead core from the axial inside to the outside to form carcass ply turn-ups, and tire sidewalls between the tread edges and bead regions, the tire characterized in that the breaker assembly comprises two breaker plies each reinforced with aromatic polyamide cords oppositely inclined with respect to the circumferential direction of the tire and a supplementary ply disposed radially adjacent to the breaker plies and reinforced with nylon reinforcements laid parallel to each other and disposed at an angle in the range of 75.degree.-90.degree. to the circumferential direction of the tire.

Abstract: A radial tire for motorcycles which comprises: a carcass ply of organic fiber cords arranged radially at an angle of 70 to 90 degrees to the tire equator and turned up around bead cores to form two turned up portions and a main portion therebetween; and a belt disposed radially outside the carcass and inside a tread, wherein the radial height Ht of the radially outer edge of each carcass turned up portion is 0.5 to 1.2 times the radial height of the tread edge, both from the bead base. The belt is composed of three pieces, two lateral pieces and a central piece therebetween, each piece being made of at least one spirally wound cord having an elastic modulus of not less than 600 kgf/sq. mm and formed by winding spirally a ribbon of rubber in which the at least one cord is embedded. The width of the central piece of the belt is 0.1 to 0.6 times the tread width. The central piece is differed from at least one of the lateral pieces in respect of cord specification and/or cord arrangement.

Abstract: A pneumatic radial tire comprising a pair of bead portions and sidewall portions and a tread portion connecting the sidewalls. At least one radial carcass layer reinforcing said portions is positioned between two beads embedded in the bead portions. A belt comprises at least two layers having cords crossing each other from one layer to the next, a cap circumferentially wound having organic fiber cords therein and reinforcing rubber layers in an entire region of the side wall portions supporting a load of the tire having a crescent shaped cross section along an inner side of the carcass. At least one tie-element layer resisting force generated in width directions of the tire and having many cords oriented substantially orthogonally with respect to an equatorial plane of the tire is arranged between the belt and the cap.

Abstract: A motorcycle radial tire comprises a tread reinforced between its edges by a breaker assembly and having in its normally inflated fitted condition a camber value C/L of between 0.5 and 0.7, a reinforcing carcass of radially disposed cords extending radially inside the breaker assembly and between two bead regions and wrapped in each bead region around an annular bead core from the axial inside to the outside to form carcass ply turn-ups, and tire sidewalls between the tread edges and bead regions, the tire characterized in that the breaker assembly comprises two breaker plies each reinforced with aromatic polyamide cords oppositely inclined with respect to the circumferential direction of the tire and a supplementary ply disposed radially adjacent to the breaker plies and reinforced with nylon reinforcements laid parallel to each other and disposed at an angle in the range of 75.degree.-90.degree. to the circumferential direction of the tire.

Abstract: A pneumatic tire has a belt reinforcing structure comprising a folded belt ply and a spirally wound structure extending transversely between the folded edges of folded portions of the folded belt ply. No cut belts are used in the assembly. In an illustrated embodiment, both the folded belt ply and the spirally wound ply are reinforced with aramid cords. Also, a plurality of spirally wound plies can be used.

Abstract: The weight, space and convenience advantages of a run-flat tire can be substantial. This is especially true for the urban-economy car or family type vehicles which have limited space available for a spare tire and inadequate space for the removed flat tire. These vehicles also have higher comfort requirements that must be addressed. The mini-spare solution to the flat tire problem has very limited performance capabilities. Other solutions include major modifications in the rim and/or the tire, which are not cost effective or compatible with a conversion to standard tires on the same rims.The run-flat tire of this invention includes thickened sidewall portions, a belt package with a cap ply, lower sidewall rubber support portions, a specially designed bead seat area with a rim seat ply and three carcass layers. The classical problems of inflated vs. deflated performance tradeoffs in ride comfort, handling, radial stiffness and endurance of the tire are substantially improved.

Abstract: A pneumatic radial tire comprising a pair of bead portions and sidewall portions and a tread portion connecting the sidewalls. At least one radial carcass layer reinforcing said portions is positioned between two beads embedded in the bead portions. A belt comprises at least two layers having cords crossing each other from one layer to the next, a cap circumferentially wound having organic fiber cords therein and reinforcing rubber layers in an entire region of the side wall portions supporting a load of the tire having a crescent shaped cross section along an inner side of the carcass. At least one tie-element layer resisting force generated in width directions of the tire and having many cords oriented substantially orthogonally with respect to an equatorial plane of the tire is arranged between the belt and the cap.

Abstract: A pneumatic tire, which comprises a tread portion (2) having a pair of tread edges, a pair of axially spaced bead portions (4), a pair of sidewall portions (3) extending between the tread edges and the bead portions (4), a bead core (5) disposed in each of the bead portions (4), a carcass (6) extending between the bead portions and turned up around the bead cores, a rubber tread disposed radially outside the crown portion of the carcass defining the tread portion, and a belt (7) made of at least one spirally wound belt cord (11) disposed between the carcass and the rubber tread, the belt cord (11) comprising a higher modulus strand (13A) and a lower modulus strand (14A) which are twisted together, the higher modulus strand (13A) made of at least one continuous organic filament (13) having a higher elastic modulus, the lower modulus strand (14A) made of at least one continuous organic filament (14) having a lower elastic modulus, and in a unit length of the belt cord, the length (L1) of the higher modulus fila

Abstract: A passenger radial tire which comprises a tread portion, a pair of axially spaced bead portions, a pair of sidewall portions extending therebetween, a pair of bead cores disposed one in each bead portion, and a carcass extending between the bead portions and turned up around the bead cores from the axially inside to the outside thereof to form two turned up portions and one main portion therebetween, wherein in at least the sidewall portions no bead apex exists and the carcass turned up portions are located adjacently to the carcass man portion, and in each bead portion a bead reinforcement extending radially outwardly into the sidewall portion is disposed.

Abstract: A motorcycle tire which comprises a carcass (6) extending between tire bead portions (4), and a belt (7) disposed radially outside the carcass, wherein the belt (7) is formed by spirally winding at least two reinforcing members (11 and 12) having different elastic moduli so that the lower elastic modulus reinforcing member (11) and the higher elastic modulus reinforcing member (12) serially appear in the widthwise direction of the belt.

Abstract: A steering stability in a pair of pneumatic radial front and rear tires is considerably improved without sacrificing the tire durability by making a circumferential rigidity of an auxiliary belt in the front tire at a portion corresponding to a central zone of a belt in widthwise direction thereof larger than that of an auxiliary belt in a rear tire at the portion corresponding to the central zone of the belt in widthwise direction thereof.

Abstract: A pneumatic tire in which the steel belt ply or plies are enclosed in at least two wraps of a cap ply fabric which is wider than the steel belt ply and which is adhered to the belt ply as well as the tire cord outside of the belt ply.

Abstract: A pneumatic tire comprises a carcass extending between the bead portion and turned up around bead cores, and a belt disposed radially outside the carcass and inside the tread and comprising at least one ply of cords including steel cords and aromatic polyamide cords.

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 pneumatic tire for motorcycles comprises a tread, a pair of sidewalls each toroidally extending from each side end of the tread, a carcass comprised of at least one cord ply arranged at a cord angle of 75.degree.90.degree. with respect to an equator of the tire, and a belt arranged between the tread and the carcass and comprised of at least two cord layers. In this tire, the belt is comprised of at least innermost cord layer located at a carcass side and at least one cord layer located at a tread side and comprised of a cord spirally wound in the circumferential direction of the tire so as to extend in the widthwise direction of the tire, in which a widthwise end of at least one cord layer located at the carcass side is located within a particular region to tread width and sidewall height.

Abstract: A pneumatic tire with carbon fiber cord reinforcement wherein the carbon fiber cords have a round cross sectional shape and a twist per inch (TPI) of 1.2 to 1.6 turns per inch (TPI) is provided. Preferably, the carbon fiber cords are coated with an RFL or epoxy/RFL adhesive. It is also preferred that carbon fiber cords having an S twist and carbon fiber cords having a Z twist be used in the same reinforcing plies in the tire. Especially preferred is the incorporation of carbon fiber cords in a folded belt.

Abstract: A pneumatic radial tire characterized in that at least two belt layers reinforced with cords of a high elastic modulus extending at an angle of 14.degree.-33.degree. with respect to the circumferential direction of the tire are arranged between a tread and a carcass, at least one of these belt layers being folded back at both end portions thereof toward the equator of the tire so as to wrap both end portions of any remaining belt layers, at least one reinforcing layer which is reinforced with thermally contractible organic fiber cords which extend at substantially 0.degree. with respect to the circumferential direction of the tire being inserted inside of each of the folded portions of the at least one folded belt layer, the width of the reinforcing layers being set to 10-70% of that of each of the folded portions.

Abstract: A pneumatic radial tire comprises a belt comprised of plural belt layers, in which at least one belt layer is formed by arranging particular twisted cords, which are obtained by twisting particular filament-resin composite bodies, at a particular end count. In this tire, the weight is light, the rolling resistance and steering stability as well as the resistances to bending of belt cord in the rapid turning and breaking of belt cord in the running on bad road are considerably excellent.

Abstract: A high performance pneumatic radial tire includes a tread with plural circumferential grooves, a radial carcass, a belt composed of two belt layers of metal cords, one additional reinforcing layer arranged on a radially outer side of the belt and on an axially central area of the tread, and at least two additional auxiliary layers arranged on each of widthwise opposite side portions of the tread and composed of organic fiber cords. The additional reinforcing layer is composed of cords crossing the metal cords in the belt layer adjacent thereto and inclined with respect to the tire-circumferential direction, and has a width smaller than a minimum width of the belt but greater than a distance between the circumferential grooves located on widthwise outermost sides of the tread, respectively. The organic fiber cords composing at least two additional auxiliary layers extend substantially in the tire-circumferential direction, and at least two additional auxiliary layers have different widths.

Abstract: A radial ply pneumatic tire (10) has carcass plies (13-15) reinforced by textile cords and folded axially around a pair of axially spaced bead cores (11,12) and a belt structure (30; 330) comprising at least two layers (32-34; 332-334) made of spirally wound strips. The spirally wound strips are reinforced by cords consisting at least in part of aramid yarns. Between each pair of neighboring layers (332-334) of spirally wound strips, a ply (340,341) reinforced by textile cords is interposed. Such a belt structure is more specifically suitable for an aircraft tire.

Abstract: A pneumatic vehicle tire with a radial carcass and a breaker reinforcement layer comprising a plurality of bandage strips each of which extend in the peripheral direction of the tire and which are differently overlapped when considered over the width of the breaker. The strips are preferably formed by a continuous winding of a single strip and may be combined with a conventional breaker ply.

Abstract: An improved reinforcing belt is provided for a pneumatic tire. In one embodiment, a composite belt is formed by bonding together a plurality of resin impregnated plies. Each ply is further formed from cords having a high extensional modulus of elasticity and a high tenacity which reinforce a matrix of semi-rigid resin. Preferably, the resin is cured or formed in situ during the curing of the tire in which the plies are placed. In another embodiment, a structural separator having a high resistance to compression is bonded to and between at least two of the plies.

Abstract: A pneumatic tire having a uniformed ground pressure distribution, in which the tire has an inner band divided into a pair of spaced apart parts composed of extensible organic fiber cords arranged substantially parallel to the equator and disposed between the carcass and the belt so as to substantially align each of the axially outer edges of the parts of the inner band with each of the outer edges of the belt ply having the largest axial width, and the tread face comprises an internal arc portion with a radius of curvature TR1 and an external arc portions with a radius of curvature TR2, wherein the TR2/TR1 ratio is in a range from 0.15 to 0.

Abstract: The present invention relates to a radial tire and a radial tire-rim assembly. The radial tire (1) has a pair of beads (2), each bead having a bead core (3) and a bead apex (5), a carcass (4), with both edges thereof folded back around said bead core and fastened to said bead core, a tread (6), a belt layer (7), and an aspect ratio smaller than 60%. The tread is wider (in the axial direction) than the maximum width of said carcass and the edges of said tread are positioned within a range of 50-100% of the height of the cross-section of the carcass. This structure provides the tire side with rigidity and permits the tread to deform so that is supports the weight of the car and runs safely even when the tire pressure is decreased.

Abstract: A radial ply pneumatic tire (10) has an overlay structure (19) disposed radially outwardly of the belt reinforcing structure (14). The overlay structure (19) comprises side by side cables of 420/2 nylon having a cable twist of not greater than seven turns per inch.