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WO/2002/002354A1 |
A runflat tire is provided that may be used in applications currently requiring a large aspect ratio tire. The runflat tire of the invention may be substituted in these applications while providing desirable ride characteristics. The run...
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WO/2001/089861A1 |
The invention concerns a tyre (101) comprising at least a first bead, whereof the seat has a generatrix the axially inner end of which is on the circle with diameter greater than the diameter of the circle whereon is located the axially ...
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WO/2001/087646A1 |
An assembly (10) for location around a wheel rim (32) comprises an annular support band (12) being formed of a relatively inextensible material. The support band (12) is split at at least one circumferential location to define a pair of ...
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WO/2001/072534A1 |
In a self-supporting tyre, the carcass plies (3a, 3b) are each made through sequential deposition of strip-like lengths circumferentially distributed on a toroidal support (11). Resilient stiffening inserts (16, 20) are interposed betwee...
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WO/2001/072536A1 |
A run flat pneumatic tire includes a thin annular band embedded in the crown portion of the tire wherein the band is formed with three distinct regions. Radially spaced inner and outer regions are formed of high modulus materials and a c...
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WO/2001/072535A1 |
A run flat pneumatic tire includes a thin annular monolithic band (2) embedded in the crown portion of the tire wherein the band has a helical cut (20) extending between opposite band edges (15, 16). The cut (20) has an arcuate length be...
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WO/2001/062524A1 |
The invention concerns a rim J comprising two rim seats (11, 12) with different diameters, inclined outwards and axially extended outwards by two low projections (21, 22), the rim seat (11) with smaller diameter being axially assembled i...
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WO/2001/053120A1 |
The invention concerns a doughnut-shaped membrane M used as means for supporting a running tread of a tyre P and forming with said tyre P and its mounting rim J an assembly capable of running when the tyre P is losing pressure, said memb...
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WO/2001/047729A1 |
The invention concerns a device, such as a safety support, comprising a body and a base wherein the base comprises at least a zone of resistance substantially inextensible in the circumferential direction and mechanically linked to the b...
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WO/2001/043994A1 |
A pneumatic radial ply runflat tire (200) having a tread (202), a carcass structure (214), a belt structure (208), and a thermoplastic reinforcing hoop structure (250) located on the equatorial plane and disposed radially inward from the...
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WO/2001/043995A1 |
A pneumatic radial ply tire (86, 104) having a tread (106), a carcass (96, 108) with two sidewalls (88a, 88b, 116a, 116b), a radial ply structure (98, 110), and a belt structure (103, 117) located radially between the tread and the radia...
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WO/2001/043993A1 |
the present invention relates to a pneumatic tire, specifically to improvements to the bead region of tires designed for runflat operations. The improvements comprise the addition of cavities or indentation (126) on the surface of the be...
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WO/2001/042033A1 |
A resilient tire (100) that supports a load without internal air pressure includes a ground contacting tread portion (110) and sidewall portions (150) extending radially inward from said tread portion and anchored in bead portions (160) ...
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WO/2001/042000A1 |
A polyurethane-polymer composition suitable for preparing a lightweight tire support includes at least one isocyanate, at least one polyol, and at least one chain extender. A polyurethane-polymer composition can also include an additive ...
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WO/2001/039999A2 |
The invention concerns a vehicle tyre comprising two sidewalls assembled by a crown zone provided on its radially outer portion a circumferential with a running tread, beads, arranged in the radially inner portion of each of the sidewall...
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WO/2001/040000A1 |
The invention concerns a vehicle tyre comprising two sidewalls, a crown zone provided on its radially outer portion with a circumferential running tread, beads, arranged in the radially inner portion of each of the sidewalls, each bead c...
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WO/2001/032450A1 |
The invention concerns a safety support to be inserted by a translating process around a rim bearing wherein the radially internal surface of the support base comprises a plurality of protrusions arranged radially inside.
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WO/2001/028789A1 |
The invention concerns a mounted assembly comprising a rim and a safety support arranged against the rim, in the cavity of the tyre, and a method for lubricating the cavity of the tyre and more particularly the contact zone between the s...
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WO/2001/025032A1 |
A runflat radial ply tire (70) having a thread (72), a carcass (86) and a belt structure (74) radially located between the thread and the carcass has two sidewalls (80, 82) each reinforced with a circumferentially disposed wedge insert (...
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WO/2001/023195A1 |
The invention concerns a vehicle wheel, comprising a rim, a disc, a tyre defining with the rim a circumferential cavity C, and at least a resonator designed to attenuate a natural resonance frequency of said wheel, said wheel further com...
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WO/2001/015917A1 |
A vehicle tyre comprises a carcass ply (1) extending between two bead regions, a tread region disposed between side walls (7, 8) and having a tread surface (6) curved in the axial direction and also a breaker (5) reinforcing the tread re...
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WO/2001/008905A1 |
The invention concerns an assembly consisting of a rim (10) and a supporting element S for a running tread having a diameter D¿N? not less that the diameter of any part of the rim (10) between the outer end of said bearing (11) and the ...
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WO/2001/002195A1 |
Fabric treatment layers (130a, 130b, 132a, 132b) are deployed in the sidewall regions of a runflat tire (100) having a metal-reinforced first ply (120). In one embodiment, parallel cord, reinforced fabric treatment layers (130a, 130b, 13...
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WO/2000/076791A1 |
The invention concerns a light safety support (1) for tyre comprising a base (2), a top (3) and an annular linking body (4) with a continuous support element around the circumference and a circumferential median plane wherein the support...
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WO/2000/073093A1 |
The tire of the invention has an optimized path of the outermost carcass designed to maximize the extent of tensile stress in the sidewall and bead portions of the tire. The invention further provides separate reinforcement structures in...
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WO/2000/069661A1 |
The tire (70) of the invention incorporates a carcass ply cord material (93) with variable modulus of elasticity to provide an active sidewall structure (82a, 82b). The variable modulus cord material is incorporated in the axially outwar...
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WO/2000/061390A1 |
A pneumatic tire (10) incorporates a plurality of parallel-aligned, tread-stiffening support members (23) typically disposed laterally between the tread (12) and the ply structure (16). The support members (23) inhibit lateral and circum...
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WO/2000/059741A1 |
A pneumatic tire capable of increasing a run flat performance while suppressing an increase in weight, wherein, where the intersecting points of a tire radial line (Y) passing a rim width position with a tire intermediate line on a tread...
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WO/2000/046047A1 |
A pneumatic radial ply tire (50) has a tread (52), a carcass (61) with two sidewalls (77, 78), a single radial ply (70) reinforced with inextensible metal cords, two annular beads (36a', 36b'), and a belt structure (58) located radially ...
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WO/2000/046048A1 |
The innermost carcass ply of a runflat tire (50) having a radial carcass ply is a discontinuous ply (52) that includes two portions (52a, 52b) each disposed within one of the sidewalls (43, 45). In one embodiment, each of the two discont...
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WO/2000/043224A1 |
The present invention relates to a tyre and a method of producing a tyre which includes the step of introducing into a tyre casing (10), a resilient matrix (16) which is then positioned between a tube or a retained supply of air at press...
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WO/2000/035684A1 |
A pneumatic tire of a nominal flatness of 60 or above having remarkably improved run-flat durability as compared with conventional run-flat tires, wherein disposed between a belt end and a reinforced rubber layer in a shoulder region and...
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WO/2000/032423A1 |
The wheel with a spare tyre which includes lateral walls of the felloe (11), grooves (12), so outer tyre would precisely fit and adhere to the rims and grooves, thus maintaining the pressure. Larger grooves (13) intended for tyre mountin...
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WO/2000/030877A1 |
The invention concerns a reinforced toric rubber envelope (M), inflated at a pressure p¿0? higher than pressure p¿1? of the tyre cavity P wherein it is used, having, when inflated, a crown radius R¿M? less than the deflection radius R...
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WO/2000/026045A1 |
A two-ply radial runflat tire (50) having a belt structure (56), a ply structure (58), two inextensible beads (36a', 36b') and two wedge-insert reinforced sidewalls (77, 78). The outer ply (72) is reinforced by high-modulus, light-weight...
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WO/2000/024598A1 |
Wheel for a vehicle, comprising a tyre (40) in the form of a container made of elastic polymeric material comprising an external circumferential band (46) realising a tread (48) in contact with the roadway (18), a rim (22) having a circu...
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WO/2000/021763A1 |
The invention relates to pneumatic tires for a motor vehicle comprising a multi-layer carcass. Said multi-layer carcass extends between two bead rings, a set of bracing plies (10) provided between the layers of the carcass (2) and a tire...
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WO/2000/020236A1 |
A low-aspect-ratio pneumatic radial ply tire (50) having a tread (52), a carcass (61) with two sidewalls (77, 78), a single radial ply (70) reinforced with inextensible metal cords, two annular beads (36a', 36b'), and a belt structure (5...
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WO/2000/020235A1 |
The invention relates to automobile pneumatic tires comprising a multiple ply carcass extending in-between two bead rings having allocated bead fillers, a belt arrangement provided between the plies of the carcass and a tread strip, in a...
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WO/2000/013923A1 |
An all terrain vehicle tire (10) has an annular tread (12) and a casing (11) radially inward of the tread (12). The tread (12) has a plurality of tread lugs (92, 94) and a central rib (95). The plurality of tread lugs (92, 94) are dispos...
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WO/2000/012329A1 |
Helical spring loop structures (20) reduce vehicle accidents when tire failure occurs, reduce tire heat build-up and tread wear simultaneously. The structure (20), having an ability to cope with a vehicle's failed tire while in motion, p...
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WO/2000/010817A1 |
The invention relates to a vehicle wheel comprising an especially single-piece wheel rim (1) and a tubeless tire which has an run-flat support ring (11) mounted concentrically to the wheel rim on the radially external jacket surface of s...
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WO/2000/002740A1 |
A pneumatic radial ply tire (50) having a tread (52), a carcass (60) with two sidewalls (77, 78), two or more radial plies (70, 72), two annular beads (36a', 36b'), a belt structure (56) located radially between the tread and the radial ...
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WO/2000/001543A1 |
A pneumatic radial ply passenger tire (10) having a tread (12), a casing with two sidewalls (20), two radial plies (38, 40) extending from and wrapped about two annular beads (26) and a belt reinforcement structure (36) located radially ...
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WO/2000/001545A1 |
The invention concerns a method for detecting a vehicle tyre flat running condition, said tyre being mounted on a wheel, consisting in: sensing a value f($g(a),t) which varies with the wheel angular displacement in time; elaborating meas...
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WO/2000/001544A1 |
A pneumatic radial ply passenger tire (10) having a tread (12), a carcass (25) with two sidewalls (18, 19), two or more radial plies (30, 40), two annular beads (26), a belt structure (16) located radially between the tread and the radia...
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WO/2000/000358A1 |
A tire (10) and a rim (20) create a tire rim assembly (1) which permits the tire (10) to be assembled onto the rim (20) and then vulcanized creating an integral tire rim assembly (1).
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WO/1999/065711A1 |
A radial ply runflat tire (50) having a tread (52), a carcass (60) with two sidewalls (77, 78), one or more radial plies (70, 72), two annular beads (36a', 36b'), and a belt structure (56) located radially between the tread and the radia...
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WO/1999/064225A1 |
In a tyre for vehicles, the formation of each bead reinforcing structure (4) envisages that, after laying of a first series of elongated sections (13) defining axially inner terminal zones (15) of a carcass ply (3), an annular anchoring ...
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WO/1999/064260A1 |
The invention relates to a vehicle wheel (1) with a run flat support body (2) for a tyre fixed on a wheel rim. Said tyre essentially comprises a tread, two side walls, a carcass, reinforcement elements and two tyre beads with bead cores....
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