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WO/1998/016399A1 |
A traction device for vehicle wheels comprises an expandable and contractible member (10) mounted next to a wheel (70) or in between dual wheels (12, 14). In another embodiment the device comprises an air chamber (106, 134) formed in the...
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WO/1998/004423A1 |
A urethane wheel including a hard urethane hub (85) formed with a rim (90) facing radially outward, and including stand-off ribs (87) spaced equidistant thereabout. The stand-off ribs having centering notches (89) opening radially outwar...
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WO/1998/003359A1 |
An apparatus for introducing a pulverulent material into a tire (13) of a wheel assembly, through the valve stem thereof, without a large amount of operator time, effort, or intervention. The apparatus includes two main types of componen...
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WO/1998/001309A1 |
A pneumatic tire comprising an air permeation prevention layer adapted to substantially cover an interior surface of a carcass layer by winding a slit film made of a resin film made mainly of thermoplastic resin around an inner circumfer...
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WO/1997/049566A1 |
The invention discloses an inflatable structure (1) made of a cellular rubber-like material to be located inside a tyre. This inflatable structure (1) is provided with at least one cavity (4) entirely positioned inside the said structure...
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WO/1997/047483A1 |
A vehicle tire (10) having a rotation time wear indicator associated with the tire tread (14) which visually shows when the tire tread (14) has worn to various levels at which levels the tire should be rotated to a different wheel positi...
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WO/1997/043136A1 |
A pneumatic tyre which comprises an air permeation preventive layer substantially covering a tyre inner surface and formed of a film of a thermoplastic resin having an air permeability coefficient of at most 25x10-12 [cc.cm/cm2.sec.cmHg]...
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WO/1997/028013A1 |
An in-line skate wheel including a hard polyurethane hub (21) having a drop center formed between radially projecting guide flanges (25, 27) formed with axially projecting windows (29, 31) spaced equidistant thereabout in an annular arra...
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WO/1997/025215A1 |
An inner tube for use with a pneumatic tyre casing having an internal volume with a specific mean length and a specific cross section; the inner tube is in the form of a thin flexible cylinder with closed ends; the ends being tapered or ...
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WO/1997/023359A1 |
In a tube (2), of which an inner space is divided by a partition (20) into an air chamber (3) adapted to be filled with air and a seal agent chamber (7) adapted to be filled with a seal agent (8), a ratio R (R = B/A) of a cross-sectional...
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WO/1997/023344A1 |
A tube stock (2'), an interior of which is compartmented into an air chamber (3) and a sealant chamber (7) by a partition (5), is subjected to extruding and cut into a predetermined length, and after an air valve (6) communicating to the...
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WO/1997/019824A1 |
A composite wheel is used with a pneumatic tire (12) having at least one bead. The composite wheel includes a circular drum (20) having an elongated skirt extending out from the circular drum substantial perpendicular thereto along the p...
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WO/1997/018097A1 |
There is disclosed a tyre (11) and wheel assembly for a forklift truck or similar vehicle comprising a rim having an annular well (13) to enable fitting of a tubeless tyre (12) and a tyre having an aspect ratio 58 % or less.
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WO/1996/040801A1 |
Vulcanizable tire innerliner compositions are described which are essentially free of halogen atoms or contain a reduced halogen content. The innerliners contain a saturated elastomeric interpolymer of a C4-C7 isomonoolefin, e.g., isobut...
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WO/1996/034666A1 |
A skate wheel (1) includes a gas-filled tire tube (30) that is secured to the tire rim (21) of a bearing frame (20) by molding a cover layer (40) around the tube and frame to form an integrated wheel assembly which provides buffering and...
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WO/1996/034736A1 |
A method for producing pneumatic tires using single or multiple layers of belt-like or tubular thermoplastic film for an air permeation prevention layer comprising the step of applying a viscous adhesive composition to at least a part of...
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WO/1996/034772A1 |
A composite wheel is used with a pneumatic tire (12) having at least one bead (14). The composite wheel includes a circular drum (20) having an elongated skirt extending out from the circular drum substantially perpendicular thereto alon...
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WO/1996/030221A1 |
A pneumatic tire in which an air-permeation prevention layer (7) comprising a film of a polymer composition including a thermoplastic resin or a blend of a thermoplastic resin and an elastomer whose air permeability coefficient is 25x10-...
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WO/1996/030220A1 |
A pneumatic tire having an air-permeation prevention layer comprising a film or sheet of a polymer composition including a thermoplastic resin or a blend of a thermoplastic resin and an elastomer whose air permeability coefficient is 25x...
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WO/1996/020841A1 |
A bicycle wheel has a rim (2) and a tyre (1), where the tyre consists of several layers and layer radially on the inside in relation to the tyre tread takes the form of a self-supporting structure. The self-supporting structure contains ...
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WO/1996/018513A1 |
A pneumatic in-line skating wheel having a tire body (4) and central hub (6) chemically bonded during a polyurethane casting process and further including an annularly encapsulated air bladder (8) centrally spaced within the tire body (4...
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WO/1996/015001A1 |
Disclosed is a tube tyre for vehicles which is intended in particular for use in cycling. The tube tyre in question is formed by a tubular outer cover, encloses the inner airtight layer and is provided with a tread or intermediate struct...
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WO/1995/029953A1 |
Rubber compositions having reduced permeability to gases comprising rubber and specified furnace carbon blacks.
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WO/1995/018021A1 |
The present invention relates to a safety tire comprising multiple air chambers to guarantee the safety in traffic accident, by minimizing or limiting the loss of air caused by tire puncture. The safety tire of the invention comprises: s...
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WO/1995/003946A1 |
The invention relates to a noise-reducing design for vehicle wheels, in particular vehicle wheels fitted with tyres. The invention also relates to a method of developing conventional wheels. According to the invention, the hollow space (...
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WO/1994/026541A1 |
A pneumatic safety tire comprises two bead portions (23), two sidewalls (24), a reinforced tread portion (32), a main cavity (20) and a matrix of subcavities (26, 36, 44, 46, 48, 50). Each subcavity in the first row is connected with the...
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WO/1994/025297A1 |
A vehicle tyre made of an elastic material, preferably rubber or rubber-like synthetic material, has a tyre tread (3) and sidewalls (4) adjacent to the tyre tread (3). Both sidewalls (4) end with a bead (5) into which is incorporated a c...
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WO/1994/022680A1 |
Tire inner-liners and inner-tubes are prepared from blends of general purpose rubbers and silicate clay. The clays provide the requisite low air permeability without adversely affecting the flexibility of the rubber composition.
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WO/1993/016890A1 |
A tyre consisting of a plurality of individually removable and individually or simultaneously inflatable independent pneumatic sectors (S) mounted on a single wheel rim (J). The sectors (S) include at least one reinforcing armouring (4) ...
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WO/1993/012943A1 |
Tubeless tyre bead structures having enhanced rim-sealing and wear resistance properties. At least the rim-engaging surfaces of the beads consist of protective mixtures (7), and the rim-engaging portion of the protective material is at l...
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WO/1993/005684A1 |
A portable, inflatable support system, and a portable inflator for use with such a system are provided in one embodiment. The inflatable support system may include an inflatable mattress (10) having a pressure valve (12) and a battery po...
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WO/1992/021460A1 |
Method and device for obtaining an iron-based amorphous metal alloy wire (12) by providing a jet (7) of molten alloy (4) through the orifice (60) of a dye (6), and introducing said jet (7) in a cooling liquid (9) pressed by centrifugal f...
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WO/1992/020538A1 |
Disclosed is at least a two-layered chlorinated polyethylene film for use as an inner liner for a pneumatic rubber substrate or a tire, with an inner layer adjacent an inner surface of the rubber substrate comprising an adhesive resin; a...
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WO/1992/014619A1 |
A pneumatic tyre and wheel assembly (10) particularly suitable for heavy duty use to replace a side-by-side pair of coaxial tyres comprises a flexible reinforced partition wall (17) which extends between the tyre tread region (15) and a ...
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WO/1992/008621A1 |
A dual-chamber pneumatic tire (10) having two separate concentric annular air chambers (28, 29). The outermost air chamber (28), disposed behind the tire tread (16) normally in contact with the ground has a relatively small volume, is to...
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WO/1992/006857A1 |
A method of balancing a wheel assembly is achieved by providing a wheel assembly which includes a tire (11) in a range substantially between 13" and 24.5" size, providing pulverulent polymeric/copolymeric synthetic plastic material (20) ...
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WO/1992/005969A1 |
In order to optimize the behaviour of a conventional private car on icy surfaces or grounds covered with snow, the drive axle of said vehicle is provided with tyres whose treads (1) have relief elements (11) presenting incisions (14) of ...
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WO/1992/001576A1 |
Assembly comprising a tyre and a removable inlay, intended to be mounted and used on a rim having an angled seat. The tyre has beads whose external contour is formed mainly of an angled area substantially parallel to the rotation axis an...
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WO/1992/001575A1 |
A composition suitable for use in producing a tire innerliner is provided. The composition comprises a halogen-containing copolymer of a C4 to C7 isomonoolefin and a para-alkylstyrene; carbon black, and a plasticizer oil. A vulcanized ti...
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WO/1992/001744A1 |
A composition, suitable for use in producing a tire carcass, is provided. The composition comprises a halogen-containing copolymer of a C4 to C7 isomonoolefin and a para-alkylstyrene; a rubber such as a blend of natural rubber and a copo...
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WO/1992/001577A1 |
In order to increase the diameter of the standardized rim (J') comprising a mounting groove and normally used for a tubeless tyre (P) and provided with beads whose seats are angled, the tyre (P) is mounted on a rim (J) having a cylindric...
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WO/1992/001010A1 |
A method for making a polyurethane elastomer tire fill composition wherein a mixture of a) a low functionality (2.0-2.3) 4,4'-diphenylmethane diisocyanate, such as a carbodiimide-modified (2.0 functionality) 4,4'-diphenylmethane diisocya...
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WO/1990/014239A1 |
Broad tyres have one or more deep longitudinal grooves (12) penetrating as far as beneath the belt region (2) inside the tyre with the aid of novel bridging components (5). Drainage is maintained even at the starting limit and increases ...
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WO/1990/006859A1 |
Vehicle inner tubes are formed with walls comprising thermoplastic elastomeric polymer compositions containing semi-crystalline ethylene copolymer such as ethylene vinyl acetate, and vulcanized butyl or halogenated butyl rubber particles.
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WO/1988/007939A1 |
The standard of safety of vehicle wheels provided with compressed air pneumatic tyres is greatly improved if a second chamber is disposed within the chamber, designated the outer chamber (14), formed by the tyre itself. Said inner chambe...
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WO/1984/000329A1 |
The deformable driving band (3) or the like comprises passage means (2) traversing the band and opening out to the inside at right angle to alveoli (5) or the like provided in a compressible band (6) extending throughout the driving band...
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WO/1982/000978A1 |
Tires are typically inflated through an air conduit mounted on the tire carcass and extending through a hole in the metal rim on which the tire is mounted. Now and then relative slipping between the tire and rim has caused the air condui...
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WO/1980/000069A1 |
A composite cord for reinforcing a tire or other elastomeric article having at least one high strength, substantially inextensible yarn spirally wrapped around a core. The core at room temperature has sufficient strength and elasticity t...
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JP7462078B2 |
Method and application unit (3) for applying a sound-absorbing material (2) to an inner cavity of a pneumatic tyre (1). The following steps are provided: eliminating an excess end (5) of a strip (4) of sound-absorbing material (2); progr...
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JP7461829B2 |
A pneumatic tire includes: a first and second main grooves extending in a tire circumferential direction; first and second inclined grooves extending obliquely toward the same side with respect to the tire circumferential direction and c...
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