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WO/1992/012020A1 |
In a tyre (P) designed to carry heavy loads and inflated to high pressure, the wear resistance of the beads (4) is improved by positioning the edges (30E, 30F) of the axially outer plies (3E, 3F) of the carcass reinforcement (3), in the ...
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WO/1992/012002A1 |
A method of manufacturing a tire bead wherein a bead filler is previously formed as a connection forming member consisting of a filler body having tapered surfaces opposed to each other and a projecting portion, this projecting portion o...
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WO/1992/010373A1 |
A single-piece wheel rim (J') having tapered seats (2') inclined at 15° U 1° with greatly reduced axial widths (P') relative to the axial widths (P) of known tapered seats (2), and having a reduced height (H') mounting well (3') leavin...
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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/1992/001578A1 |
In order to eliminate the problems of separation at the ends of turn-ups (50) of the reinforcement of a carcass (1) of a tyre with angled seats as well as the problem of rapid wear of the bead inlays, said tyre is provided with beads (B)...
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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/1991/010758A1 |
A substantially rectangular steel wire with a microroughened surface for reinforcement of elastomers is disclosed. The bare surface of the wire (from which the metal coating for increasing the adhesion to the elastomers is removed) has a...
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WO/1990/012696A1 |
A bead reinforcement (1) comprises flat wires with a carbon content above 0.80 per cent. Preferably the bead reinforcement is of the n x m package type. The reinforcement comprises steel wires which form n plies lying side by side in axi...
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WO/1990/001080A1 |
A steel wire with a microroughened surface for reinforcement of elastomers is disclosed. The bare surface of a round wire (from which the metal coating for increasing the adhesion to the elastomers is removed) has a brightness factor L m...
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WO/1989/004250A1 |
In the manufacture of a pneumatic tyre the approximately triangular space immediately radially inward of each bead of the tyre is filled by an apex construction (13C) made by helically winding uncured rubber strip. The tapered configurat...
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WO/1989/004259A1 |
The reinforcement for the bead of e.g. a pneumatic tyre, a rolling lobe diaphragm or an air spring is constructed by winding onto a mandrel or former alternate layers of naked wire (13) and flat, uncured rubber strip (12). Rubber (12A) i...
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WO/1988/003095A1 |
An at least two-layered reinforcing layer consisting of a steel cord reinforcing layer and a fiber cord reinforcing layer is disposed outside a turn-up portion of a carcass layer at each bead portion and is covered with a rubber stock. T...
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WO/1987/006889A1 |
Rim equally available for a safety tire and an ordinary tire, and assembly of said rim and aforesaid tires; which enables a safe running when the inside pressure of a tire is low or at an abrupt cornering and application not only to a sa...
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WO/1987/006891A1 |
A radial tire (1) comprises a pair of bead parts (2) having a bead core (3) and a bead apex (5), a carcass (4) both ends of which being wound around said bead core to be fixed, a tread part (6), and belt layers (7); and has an aspect rat...
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WO/1987/006199A1 |
A radial tire for high load, wherein vibration damping performance is improved by arranging adjacent to a carcass ply in a radial arrangement reinforced plies of carcass cords consisting of fiber cords which have both radial ends thereof...
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WO/1987/004395A1 |
Tyre consisting of a beadwire-free air tyre (4) containing a reinforcing ply (7) and a rim (3) the edges (8, 10) of which are connected to one another solely by glueing. The part of the tyre edge (8) containing the reinforcement ply is g...
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WO/1987/002627A1 |
In a pneumatic tyre for motor vehicles comprising a toric curved body with a bead formed thereon, a separate bead core in each bead and a cord ply (5) the ends of which are threaded through each separate bead core, each bead core present...
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WO/1986/003462A1 |
An air-filled tyre made of elastic material, which is intended to be fitted with its heels into annular recesses on the inside of the annular rim of a vehicle wheel. The heels are desinged to be able to expand and compress in a limited m...
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WO/1985/003909A1 |
Radial tire with two feet to be anchored into grooves circulating on the innerside of a rim. In the area of each foot of the radial tire there is provided a ring intended to anchor the tire or its foot into one of the grooves, arranged i...
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WO/1985/003674A1 |
A wheel for use on land vehicle such as small manually drawn trailers and similar carriers, the wheel having a tire supporting rim (12) and a low pressure tire (48) engaging the rim, the tire comprising a thin walled torus (50) of elasto...
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WO/1985/002586A1 |
The rim for motor vehicles or the like is comprised of a rotational symmetry rim ring (1) connected to a rotational symmetry rim key (2). The ring and the key (2) are interconnected by a geometrical closure connection, blocking in the ax...
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WO/1984/004497A1 |
A wheel assembly (10) having self-contained tire mounting and demounting capabilities includes a closed torus tire (18) mountable on a wheel rim (11). The tire (18) is forced onto the wheel rim (11) by a plurality of retainers (25) which...
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WO/1984/001748A1 |
An improvement to the bead structure of a radial tire consists of: a reinforcing layer of high-elasticity cords provided outside an upward-curled edge portion of a carcass; an inner protective layer positioned between the reinforcing lay...
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WO/1984/001331A1 |
Rim used particularly for heavy vehicles provided with tubeless tires. To prevent the base of the tire bead from sliding following a tire depression and to avoid important axial forces in the direction of the rim base, the present invent...
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WO/1983/000661A1 |
A safety tire and wheel assembly which includes an improved multiple-piece wheel rim assembly (10 or 100) for preventing inflation and/or venting to atmosphere when the rim assembly components are improperly assembled, and an improved sa...
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WO/1982/004225A1 |
A wheel (10) having a rim (14) and a tire (12) mounted thereon. The tire (12) has a rim contacting portion (28) and a bead or roll resisting hoop (32). A circumferentially extending substantially inextensible strengthening member (38) is...
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WO/1982/004224A1 |
In many designs, a tire (14) of a wheel (10) is inadequately restrained with respect to a tire supporting rim assembly (12) of the wheel. Movement of the tire (14) with respect to the rim assembly (12) results in a wastage of energy. In ...
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WO/1982/004222A1 |
A high strength tire and wheel assembly (10) having a closed torus tire (14) mounted on a rim assembly (12). The tire (14) has shoulder portions (32, 32') adjacent the boundaries of tire (14) and rim assembly (12) contact. The rim assemb...
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WO/1982/000799A1 |
A drop center wheel for use with tubeless tires having a pair of spaced, circumferential, radially outwarding extending bead retention flanges (16) on opposite ends of respective circumferential bead seat surfaces (14). An intermediate, ...
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WO/1979/000976A1 |
Improvement in a radial-ply tire for enhancing separation resistance property of the bead portion structure thereof. A part or the whole of carcass ply having incorporated therein polyester cords is folded from inside to outside, upon wh...
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WO/1979/000612A1 |
A structure for fitting around the rim of vehicle wheel and within the tyre provides, on deflation of the tyre, support for the tyre at the ground bearing point and prevents dislocation of the tyre beads thus enabling control and reasona...
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JP7469606B2 |
To provide a pneumatic tire which allows for improvement of a communication property and durability of a transponder while suppressing deterioration of rolling resistance of the tire.A transponder 20 is buried outside a carcass layer 4 i...
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JP7469605B2 |
To provide a pneumatic tire which allows for improvement of a communication property and durability of a transponder while suppressing deterioration of rolling resistance of the tire.A transponder 20 is buried outside a carcass layer 4 i...
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JP7468010B2 |
To provide a tire 2 for heavy load which suppresses strain concentration to an end 68 of a folding part 56, and can ensure good durability.A tire 2 comprises a pair of beads 10, a carcass 12, and a pair of reinforcement layers 18. A carc...
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JP7466430B2 |
Provided are an elastomer composition and a tire capable of changing tire performance in response to changes in temperature. The present invention relates to an elastomer composition containing a styrene-based elastomer, and a temperatur...
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JP7466740B2 |
The invention provides a tire bead filler rubber composition. Cured products obtained from such a rubber composition exhibit excellent rubber elasticity, mechanical characteristics (rigidity) and adhesion with respect to various substrat...
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JP2024047344A |
[Problem] To provide a pneumatic tire that can suppress uneven wear while achieving both durability and weight reduction. A pneumatic tire 1 has a belt layer 7 disposed on the outside of a carcass 6 in a tread portion 2, and a band layer...
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JP7461157B2 |
Provided is a motorcycle tire having excellent handling stability and durability.Provided is a motorcycle tire 10 including a carcass 2 as a skeleton composed of at least one carcass ply extending toroidally between a pair of bead portio...
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JP7459630B2 |
To provide a method capable of accurately and easily predicting a tightening force of a bead part from design parameters, a tire manufacturing method using the method, and a tire.A bead tightening force prediction method includes a proce...
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JP7457230B2 |
To solve the problem that riding comfort deteriorates due to reduction in shock absorption, although means exists for increasing rigidity of a bead part in order to improve durability of the bead part.The bead insulation rubber in a heav...
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JP2024513955A |
The present invention relates to a passenger car tire (1) that has improved rolling resistance performance without impairing lateral drift rigidity. The bead (50) is softened through the use of a low hysteresis material. Lateral drift st...
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JP2024513519A |
The present invention relates to a passenger car tire (1) that has improved rolling resistance performance without impairing lateral drift rigidity. The bead (50) is provided with a packing layer (70) and the lateral reinforcing layer (6...
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JP7453533B2 |
To provide a pneumatic tire which reduce to contact a rim check line and a rim at the travel time by devising a cross-sectional shape of the rim check line and makes it possible to prevent damage of the rim check line.In a pneumatic tire...
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JP7448780B2 |
To provide a pneumatic tire configured so that rolling resistance of the tire can be reduced during travelling under a low temperature atmosphere while suppressing variation in fuel consumption performance of the tire due to change in at...
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JP7448781B2 |
To provide a pneumatic tire configured so that rolling resistance of the tire can be reduced during travelling under a low temperature atmosphere while suppressing variation in fuel consumption performance of the tire due to change in at...
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JP2024033511A |
An object of the present invention is to provide a pneumatic tire that is unlikely to cause failures on the side surface of the tire. [Solution] Two up plies 13 and 14 and one down ply 15 located on the outer side of the tire from the up...
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JP7447938B2 |
A tire 2 includes a pair of beads 10, a carcass 12, a pair of sidewalls 6, a pair of chafers 8, and a tag member 26 including an RFID tag 56. Each of the beads 10 includes an inner apex 40 and an outer apex 42. A carcass ply 48 included ...
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JP2024031179A |
[Problem] To provide a tire 2 that can improve appearance while suppressing an increase in air resistance. [Solution] Tire 2 has an outer diameter that is smaller than the maximum outer diameter of new dimensions minus 4 mm as specified ...
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JP7444647B2 |
To provide a pneumatic tire with excellent rolling resistance in addition to a little load on the environment because an organic fiber cord is coated with an adhesive composition which contains no resorcinol.A pneumatic tire includes an ...
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JP2024508344A |
In order to improve the durability of the bead portion, the pneumatic tire 1 is formed by winding a bead wire 28 into a ring shape, and a bead core 21 whose shape in the meridian section of the tire is a polygonal cross section, The carc...
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