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WO/2012/168274A1 |
The invention relates to improving the endurance of a bead of a radial tire for a heavy civil-engineering vehicle by reducing the return compressive stress of the ply turn-up during the rolling of the tire. According to the invention, fo...
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WO/2012/161331A1 |
In the present invention, a tire (1) is provided with a pair of bead cores (12), a carcass layer (20) with a toroidal shape that straddles the pair of bead cores (12), and a belt layer (40) adjoining the carcass layer (20). The carcass l...
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WO/2012/147356A1 |
The purpose of the present invention is to provide a pneumatic tire in which rolling resistance is sufficiently decreased. The pneumatic tire according to the present invention is provided with: a carcass including a carcass main body po...
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WO/2012/137528A1 |
The present invention prevents core deformation during rim assembly while corrosion resistance and air-leak resistance are assured in a tire made by a core making process. A bead core comprises inner and outer core pieces in the tire axi...
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WO/2012/121305A1 |
The purpose of the present invention is to further improve the durability of a bead portion of a pneumatic tire with a carcass ply folded in a bead core. A carcass (13) is provided with, between a first section (13A) in which the cord-to...
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WO/2012/120826A1 |
The present invention effectively reduces rolling resistance while maintaining outstanding maneuvering stability and durability. Provided is a pneumatic tire (1) comprising: a carcass ply having a main section (11a) that extends between ...
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WO/2012/114743A1 |
In a cross-section of a tire in the width direction thereof, the distance (Hout) in the radial direction of the tire between each imaginary line (14a, 14b) and the tread's ground contact end (15a) which is on the outer side with respect ...
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WO/2012/114667A1 |
The present invention relates to a rubber-metal wire composite body which exhibits high adhesion between a rubber and a metal wire even if used for a long period of time. The present invention more specifically relates to a rubber-metal ...
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WO/2012/110612A1 |
Tyre(10) comprising two beads (50) comprising an annular reinforcing structure (70) and a carcass reinforcement (60) which is anchored in the two beads so as to form a main portion (62) and a wrapped-around portion (63), each wrapped-aro...
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WO/2012/104196A1 |
Tyre (10) comprising a carcass reinforcement (60) and two beads (50), each comprising at least one annular reinforcing structure (70), a bead filler (120) and an outer strip (130) made from a rubber composition having an elastic modulus ...
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WO/2012/098500A1 |
A tyre (1) having : two beads (3); a toroidal body ply (2) wound about the two beads (3) to form two turn-ups ( 4 ); and two bead fillers (8), each contacting a bead (3) and at least partly enclosed inside a turn-up (4) of the body ply (...
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WO/2012/084938A1 |
The invention relates to a tyre with a radial carcass reinforcement (2) made up of at least one layer of reinforcing elements which is anchored in each of the beads (3) by being wrapped around a bead wire (4), said wrapped-around portion...
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WO/2012/084952A1 |
The invention relates to a tyre (1) with a radial carcass reinforcement (2) anchored in each of the beads (3) by being wrapped around a bead wire (4), said carcass reinforcement being reinforced by at least one layer of reinforcing eleme...
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WO/2012/084948A1 |
The invention relates to a tyre with a radial carcass reinforcement consisting of at least one layer of reinforcing elements which is anchored in each of the beads by being wrapped around a bead wire, said wrapped-around portion of carca...
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WO/2012/084945A1 |
The invention relates to a tyre with a radial carcass reinforcement which is made up of at least one layer of reinforcing elements which is anchored in each of the beads by being wrapped around a bead wire, said wrapped-around portion of...
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WO/2012/084943A1 |
The invention relates to a tyre with a radial carcass reinforcement made up of at least one layer of reinforcing elements which is anchored in each of the beads by being wrapped around a bead wire, said wrapped-around portion of carcass ...
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WO/2012/080121A1 |
Tyre comprising two beads (20) comprising an annular reinforcing structure (70) and a carcass reinforcement (60) which is anchored in the two beads by being wrapped around the annular reinforcing structure so as to form, in each bead, a ...
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WO/2012/077372A1 |
The present invention improves tire uniformity and the adhesion between an inner liner and a carcass ply, and reduces crack growth accompanying repeated bending deformation during tire travelling. The strip is for forming the inner liner...
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WO/2012/066840A1 |
Proposed is a pneumatic tire which has an excellent balance between tire weight reduction and steering stability. The height (H) of a bead filler (6) from a bead heel (3a) is set to 10-30 mm, and an inner liner (9) arranged inside a carc...
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WO/2012/065939A1 |
The invention relates to a tire to be mounted on a hollow mounting rim (6) having a hook height G and a radius of curvature R1, said tire comprising a first and a second bead (51, 52), each bead comprising at least one annular reinforcin...
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WO/2012/053558A1 |
In the present invention, a carcass (120) of a pneumatic tire (1A) comprises a toroidal-shaped carcass main body (121) and a carcass folded part (122) folded at a bead core (111). A bead filler (131) is disposed outward of the bead core ...
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WO/2012/036292A1 |
The disclosed pneumatic tire (1) comprises a stiffener (31) and a rubber pad (32) which, disposed between a toroidal carcass body (21) and a folded-back carcass portion (22) folded back at a bead core (11), are arranged so as to be orien...
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WO/2012/033121A1 |
The present invention addresses the problem of improving bead durability and rolling resistance performance. [Solution] Provided is a heavy load pneumatic tire (1) with a carcass (6) having a carcass ply (6A) which is extended from a tre...
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WO/2012/026409A1 |
The present invention is a method for manufacturing a rubber composition that contains a rubber component, a resin, a reinforcing filler, and a cross-linker. Said method comprises: a first step in which a master batch is prepared by addi...
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WO/2012/017673A1 |
The purpose of the invention is to provide a pneumatic tire in which a distance between ply cords is corrected, the pneumatic tire being capable of preventing rubber deterioration caused by heat generation and heat accumulation due to in...
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WO/2012/018106A1 |
Disclosed is a tire (1) which comprises: a bead core (10); a first bead filler (20); a first carcass (30); a second bead filler (40); and a rubber chafer (50) disposed at the outer side of the second bead filler (40) in the tread width d...
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WO/2012/006069A1 |
This improved bead locking apparatus and system is based on the provision of an expandable single and/or dual bead lock device with a bead compression ring that thrusts against the bead(s) of the tire from the inside and is braced agains...
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WO/2012/003203A1 |
A tire (100) having a circumferential tread (102), at least one belt (132a-f), an inner liner, a pair of sidewalls (104), and at least three carcass plies (114, 116, 118). The tire (100) includes a pair of bead portions (106), each inclu...
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WO/2011/159142A1 |
The invention relates to a tire having four treads distributed equidistantly on the external part of the body or carcass, which allow the tire to be deflated and rotated in order for a new tread to be placed in contact with the ground wh...
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WO/2011/157661A1 |
A tyre comprising two beads, each bead comprising an annular reinforcing structure, a carcass reinforcement, anchored in the two beads by a turn-up around the annular reinforcing structure, so as to form a main portion and a wrapped-arou...
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WO/2010/134523A9 |
A heavy-duty pneumatic tire is provided in which it is possible to prevent cracks (including cracks generating from the joint) from generating in the rubber portions that come into contact with the rim flanges during the period from no l...
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WO/2011/141493A1 |
The invention relates to a tire (10) for a heavy vehicle, comprising two beads (50) each comprising an anchoring structure (700) including a circumferential reinforcing structure (70) and a coupling structure (150), wherein the circumfer...
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WO/2011/142389A1 |
Provided is a pneumatic tire which can be manufactured inexpensively and easily, and which achieves a desired reinforcement effect, without increasing the weight of the tire or reducing the performance thereof, by using reinforcing membe...
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WO/2011/126077A1 |
On a cross section in the width direction of a tread in a state with regular internal pressure and under no load, in the overlapping areas, the outermost point in the tread width direction is point (B), and a line passing through the out...
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WO/2011/113626A1 |
Pneumatic vehicle tyre, in particular for heavy road vehicles, of a radial type of construction, with at least one carcass inlay (6) with reinforcing elements of steel cord or textile cords, which in bead regions is wrapped around bead c...
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WO/2011/104074A1 |
Tyre (10) comprising two beads (20) and a carcass reinforcement (60) anchored in the bead, the bead comprising a plurality of annular reinforcing structures (70) arranged in such a way as to form at least one anchoring alignment (71, 72)...
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WO/2011/097213A2 |
A tire having a circumferential tread, at least one belt, an inner liner, a pair of sidewalls, at least one carcass ply, and a pair of bead portions. The pair of bead portions each further includes a bead core, a bead filler having an up...
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WO/2011/073834A1 |
The present invention relates to a process for building tyres for vehicle wheels, comprising: forming a plurality of strip-like elements (13) in such a manner that the opposite end edges (24) of each strip-like element (13) are cut accor...
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WO/2011/073059A1 |
The invention relates to the improvement in compressive fatigue burst performance of the outer layer of the carcass reinforcement (3) of an airplane tire, in the rim bending zone (7). According to the invention, the distance (d) between ...
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WO/2011/073058A1 |
The invention relates to improving the endurance of the beads of a radial tire for a heavy civil engineering vehicle, by blocking the cracks that are initiated in the end turn-up area of the carcass reinforcement and that propagate in th...
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WO/2011/070017A1 |
The invention relates to improving the endurance of the beads of a radial tire for a heavy civil engineering vehicle, by decreasing the spread rate of the cracks initiated at the end of the carcass reinforcement frame and spreading throu...
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WO/2011/070020A1 |
The invention relates to improving the endurance of the beads of a radial tire for a heavy civil engineering vehicle, by reducing the propagation rate of cracks initiated at the radially innermost contact surface between a first polymer ...
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WO/2011/070018A1 |
The invention relates to improving the endurance of the beads of a radial tire for a heavy civil engineering vehicle, by reducing the spread rate of the cracks initiated on the axially outer surface of the carcass reinforcement frame and...
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WO/2011/067211A2 |
Tyre comprising two beads (20) each comprising at least one annular reinforcing structure (70) and a carcass reinforcement (60) anchored in the two beads by a turn-up, wherein each bead comprises a bead filler (110) formed from a rubber ...
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WO/2011/057889A1 |
The invention relates to an assembly including a rim (J1) and a tire having beads (100) reinforced by means of a carcass frame (10) turned up about a wire (5) for forming a turn-up (20), said bead axially including outside the turn-up of...
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WO/2011/046195A1 |
Disclosed is a pneumatic tire which includes a reinforcing layer containing steel cords of the 1×2 structure, each steel cord being composed of two wires twisted together, the steel cords having a carbon content of 0.60-0.75%, a strengt...
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WO/2011/043319A1 |
Disclosed is a run-flat tire that strikes an even higher degree of balance between run-flat durability and ride quality during normal driving situations. The run-flat tire is equipped with a reinforcing cord layer (5) that covers along a...
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WO/2011/033778A1 |
Provided is an air-filled radial tire such that the pinch cut resistance of the tire is improved without increasing the weight of the tire. The air-filled radial tire comprises a rubber chafer (7) located in the contact area between a ca...
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WO/2011/030431A1 |
A run-flat tire using a rubber composition which can improve the processability without lowering the run-flat durability. More specifically, a run-flat tire comprising a pair of bead parts (1), in each of which a bead core (6) is embedd...
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WO/2011/030765A1 |
A bead core (10) for a pneumatic tire is composed of an annular bead wire bundle (13) which is formed by winding a single bead wire (12) by a plurality of turns. A step reduction member (20) is provided at a stepped portion (17) caused b...
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