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WO/2009/080587A1 |
Run-flat tyre (12) comprising: a crown; two sidewalls (40); two beads (50) each one comprising at least one annular reinforcing structure (60); a carcass reinforcement (71, 72) anchored in each of the beads by wrapping it around the annu...
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WO/2009/078286A1 |
This aims to improve the uniformity of a pneumatic tire. Disclosed is a pneumatic tire manufacturing method comprising a strip winding step (S3) of winding rubber strips (20) circumferentially and spirally over such a ply inside portion ...
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WO/2009/078425A1 |
A pneumatic tire having at least one inclined belt layer and a tread which are sequentially arranged on the outer side radially of the crown of a carcass functioning as the framework of the tire and toroidally extending between a pair of...
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WO/2009/077474A1 |
The invention relates to a tyre including at least one reinforcement structure of the carcass type anchored on either side of the tyre to a bead, each bead radially extending towards the outside in the form of a flange, the flanges radia...
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WO/2009/072350A1 |
The object is to improve rolling resistance properties and controllability/stability. Thus, disclosed is a rubber composition for a side-wall, a clinch or an insulation, which comprises: 100 parts by mass of a diene rubber component; 20 ...
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WO/2009/072560A1 |
Disclosed is a rubber composition for tires, which exhibits high elongation at break, while having high hardness and low tanδ. The rubber composition is particularly suitable for bead apexes and base treads. Specifically disclosed is a ...
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WO/2009/069373A1 |
Deterioration in strength of a cord due to traveling is suppressed by reducing mutual rubbing of the strands in a steel cord, and durability of a tire is enhanced by enhancing permeability of rubber. The steel cord comprises a cord body ...
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WO/2009/063012A1 |
The invention relates to a vehicle of the motorcycle type that comprises at least two axles each provided with a mounted assembly including a wheel and a tyre. According to the invention, each of the tyres includes in each sidewall at le...
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WO/2009/060647A1 |
Accumulation of static electricity is prevented while enhancing the rolling resistance characteristics of a tire. A tread rubber (2G) has a tread rubber body (15) forming the tread supporting surface (2S), a radial inside under tread (16...
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WO/2009/060974A1 |
A pneumatic tire in which compression strain in a carcass turnup portion is further suppressed to suppress fatigue breakage particularly at the turnup section, enhancing durability of a bead portion. In the carcass of a tire, the inter-c...
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WO/2009/057780A1 |
A pneumatic radial tire has a pair of annular beads (2A, 2B), a tread (3) having a tread surface, a pair of side walls (4A, 4B) each interconnecting each of laterally opposite ends of the tread (3) and a radially outer end of each bead (...
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WO/2009/057781A1 |
A pneumatic radial tire has a pair of annular beads (2A, 2B), a tread (3) having a tread surface, a pair of sidewalls (4A, 4B) interconnecting laterally opposite ends of the tread (3) and radially outer ends of the beads (2A, 2B), and a ...
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WO/2009/054346A1 |
Provided are an annular concentrically-twisted bead cord, which is reduced in weight while retaining satisfactory manufacturing and handling properties, and a vehicular tire employing the bead cord. The annular concentrically-twisted bea...
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WO/2009/053193A1 |
The invention relates to a pneumatic vehicle tire, particularly an emergency tire, having a carcass, a tread, and two tire beads (1), each having a bead core (9), which are configured for fixing the tire in an associated rim (7) in that ...
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WO/2009/051260A1 |
A pneumatic tire has a tread (1), a pair of side walls (2), a pair of beads (3), a carcass (5) having at least one carcass ply that has a body section toroidally extending between bead cores (4) embedded in the beads (3) and also has tur...
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WO/2009/043377A1 |
Tire comprising: a pair of bead structures (3), said bead structures comprising at least one bead core (4) and at least one bead filler (5); a carcass structure (2) being turned up around said bead cores; a belt structure (14) a tread ba...
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WO/2009/044653A1 |
The object is to prevent the occurrence of surface blooming by controlling a scorch time, reduce a rolling resistance, provide a satisfactory level of stiffness for use as a side wall or clinch, and improve elongation at break and durabi...
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WO/2009/037254A1 |
Heavy goods vehicle tyre (10), in at least one of the beads of which the following three conditions (A) to (C) are met: (A) the angle formed between the straight line Lland the axial direction, is greater than or equal to 30°, and less ...
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WO/2009/031261A1 |
A tire providing a vehicle with a high level of ride comfort and of driving stability at the same time. The tire has reinforcement layers (20) at positions that are on the inner sides of the side walls (6) and are on the inner peripheral...
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WO/2009/028260A1 |
A pneumatic radial tire having a structure where the lapel edge of carcass is sandwiched between belt layers and exhibiting high durability and steering stability can be produced easily using a carcass material of an existing size withou...
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WO/2009/022163A1 |
A wheel well filler or runflat safety band (1) comprises a band member (1) having at least one break in it so as to enable it to be fitted onto a wheel. A link member (100) connects the ends of the band member (1) so as to bridge the bre...
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WO/2009/022564A1 |
Provided is a pneumatic tire (1), in which a tread rubber (7), a side-wall rubber (8) and a breaker rubber (9) have an intrinsic volume resistivity of 1 X 108 Ω·cm or higher, and in which a clinch rubber (3) and a chafer rubber (2) hav...
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WO/2009/019915A1 |
A pneumatic tire that even when having a carcass layer of one-ply structure provided with its upward wound portion extending to an inferior area of belt layer so as to overlap an edge portion of the belt layer, inhibits any deterioration...
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WO/2009/013265A1 |
The invention relates to a method for producing a tyre that comprises the following steps: assembling a non-vulcanised tyre, the tyre including a top, a first flange and a first bead, a second flange and a second bead, and a carcass, eac...
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WO/2009/011344A1 |
Provided is a pneumatic tire, which is improved in its performance especially on the ice and snow and which is simple in its constitution. The pneumatic tire (10) has a two-belt structure, in which a one-belt width (1W) is wider than a t...
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WO/2009/004867A1 |
A bead insulation rubber composition capable of providing a pneumatic tire excelling in uniformity. The feature thereof is as follows. The composition contains a vulcanizing agent and is vulcanizable. The JIS hardness A thereof at the un...
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WO/2008/149588A1 |
A rubber composition for tires which comprises a rubber ingredient comprising at least either of natural rubber and epoxidized natural rubber, silica, and a natural wax, wherein the silica is contained in an amount of at least 10 parts b...
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WO/2008/142902A1 |
Disclosed is a rubber composition comprising a rubber component and at least one of a terpene resin and a rosin resin in an amount of 0.5 part by mass relative to 100 parts by mass of the rubber component, wherein the rubber component co...
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WO/2008/142897A1 |
A rubber composition for tires which comprises: a rubber ingredient comprising at least one member selected from the group consisting of natural rubber (NR), epoxidized natural rubber (ENR), and deproteinized natural rubber (DPNR); silic...
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WO/2008/142906A1 |
A rubber composition for providing a bead apex (7) disposed between a back folded portion and nonfolded portion of a ply (4) folded back so as to wrap a bead wire (5) at each of both end portions of an annular ply (4). The rubber composi...
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WO/2008/143288A1 |
A pneumatic tire in which durability of bead sections is enhanced by appropriately determining the cross-sectional shape and arrangement of bead wires. The pneumatic tire has a pair of bead sections where bead cores constructed from bead...
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WO/2008/142890A1 |
While reducing the amount of use of raw materials from oil resources, there are provided rubber compositions for a ply realizing favorable processability at production and reduced hysteresis loss, a clinch simultaneously realizing retent...
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WO/2008/129169A1 |
The invention relates to a tyre that comprises a tubular carcass (2) defining an envelope having an substantially tubular shape capable of completely surrounding an air tube by being arranged into the outer peripheral groove (12) of a cy...
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WO/2008/126875A1 |
Provided is a pneumatic tire, in which the sectional shape and the arrangement of bead wires are optimized to raise the rotational rigidity of the entire bead core thereby to suppress the pull-out of a carcass so that the durability of t...
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WO/2008/114666A1 |
Provided is a pneumatic tire comprising a vehicle-mounted inner bead filler sheet (32IN) disposed at a tire side portion on the vehicle-mounted inner side, and a vehicle-mounted outer bead filler sheet (32OUT) disposed at a tire side por...
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WO/2008/107234A1 |
Heavy goods vehicle tyre comprising: - a radial carcass reinforcement (10) anchored in each of the beads to an anchoring structure (20), this carcass reinforcement (10) being partially wrapped around an anchoring structure (20) from the ...
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WO/2008/108127A1 |
Crack durability is enhanced at the sidewall portion by suppressing occurrence of crease on the surface of a different color rubber layer forming a different color portion of a pneumatic tire. On the outer surface side of the wind-up por...
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WO/2008/099754A1 |
Provided is a pneumatic tire comprising a pair of bead portions (11), a bead core (12) having a transverse section contour of a polygonal shape, a radial carcass (13) having individual end portions wound up from inside to outside around ...
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WO/2008/101174A1 |
A tire with a tire bead having a cross sectional profile including a relatively wide base section and a top section that is tapered on at least one side, with the tire bead being embedded directly in the tire body without the use of an e...
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WO/2008/096573A1 |
A pneumatic tire simultaneously achieving enhanced durability of reinforcement layers and increased stability of the vehicle with degradation of riding comfort of the vehicle prevented, or more particularly, a heavy duty pneumatic tire s...
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WO/2008/082590A2 |
A tire includes bead insulation compound that is formed by combining a rubber component, a bituminous hydrocarbon resin, and a processing oil that includes naphthenic oil.
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WO/2008/078431A1 |
A side-reinforced run-flat tire having increased run-flat durability and riding comfort is easily press-molded by a normal bladder. The side-reinforced run-flat tire has a tread part (2), shoulder parts (3), side wall parts (4), and bead...
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WO/2008/077518A1 |
A vehicle rim (22-28; 251-252; 262; 272), of revolution, intended for mounting a tyre (30), this rim comprising a first (51; 512) and a second (52; 522) rim seat and a first and a second safety hump (571, 572) which are located axially t...
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WO/2008/074337A1 |
A heavy load vehicle tire comprises a bead structure having two reinforcing layers (6,7) adjacent to the inner side of the carcass turned up ply (2a) and a chafer layer (8) comprising reinforcing elements. The reinforcing layers (6,7) ar...
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WO/2008/072425A1 |
A heavy duty pneumatic radial tire in which three types of durability, the durability of a folded-back part of a carcass, the durability of a rubber layer of the carcass, and the durability of carcass cords against breakage, are enhanced...
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WO/2008/064947A1 |
A run-flat pneumatic vehicle tyre, comprising at least one cross-sectionally crescent-shaped reinforcing profile (9) incorporated in the region of each sidewall (8) and respectively extending at least over a large part of the length of t...
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WO/2008/067536A2 |
A shear band is described relative to the axial, radial, circumferential directions, and an axis of rotation. The shear band comprises an outer member extending along the circumferential direction and at a first radial distance from the ...
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WO/2008/062608A1 |
This invention provides an ultraflat pneumatic radial tire, for example, for SUV, having an aspect ratio of not more than 55% and a tire outer diameter of not less than 720 mm, which has improved load durability while realizing a weight ...
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WO/2008/061544A1 |
The present invention relates to a tire comprising: a carcass structure (CS) of a substantially toroidal shape, having opposite lateral edges associated with respective right-hand and left-hand bead structures, said bead structures compr...
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WO/2008/063178A1 |
A tire includes bead portions (300) that each have a bead ply (350) encompassing a profile (345) and then turning around a bead core (310). One or more carcass layers (365, 375) are extended into each bead portion (300). A method of manu...
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