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JP7151326B2 |
To provide a pneumatic tire capable of suppressing reduction in readability of a two-dimensional code in long-term use of the pneumatic tire.A pneumatic tire comprises a run flat reinforcement rubber for covering, from the inside of the ...
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JP7146600B2 |
A multi air chamber tire 1 includes a tread portion 4, a pair of bead portions 2, a pair of sidewall portions 3 extending between the tread portion 4 and the pair of bead portions 2, and partition walls 30 respectively provided to half p...
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JP2022144789A |
To provide a tire/wheel assembly that is able to exhibit good run-flat traveling performance.An elastically deformable, hollow elastic body (4) is disposed in a space defined by a pneumatic tire (1) and a wheel rim (2). The hollow elasti...
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JP7138645B2 |
Provided is a pneumatic tire having both improved run-flat durability and excellent wet grip properties; the pneumatic tire including a rubber composition used in a tread part, and a rubber support layer having a gauge thickness in a spe...
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JP7135867B2 |
A run-flat tire includes a belt reinforcing layer outward of a belt layer in a tire radial direction and reinforcing rubber in sidewall portions. Where a center region is a region of a tread portion in which a center land portion corresp...
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JP7131047B2 |
To provide a run flat tire excellent in run-flat durability performance and riding comfort performance.A run flat tire 1 comprises a carcass 6 and a side reinforcement rubber 9 having a crescent-shaped cross section. The tire satisfies t...
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JP7128274B2 |
This run-flat tire is provided with: a pair of bead cores; a carcass; side reinforcing rubber which is provided inside of the carcass in the tire width direction; and a rim guard which is provided on the outside surface of the tire and w...
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JP7128273B2 |
This run-flat tire is provided with: a pair of bead cores; a carcass comprising a main body part that straddles the pair of bead cores, and a fold-back part where the bead core is folded back; a belt which is disposed outside of the carc...
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JP7128275B2 |
This run-flat tire is provided with: a pair of bead cores in which the cross-section is drop shaped; a carcass in which a main body part and a fold-back part overlap from the bead core towards the outside in the tire radial direction; a ...
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JP7128276B2 |
At a run-flat tire, given that an average radius of curvature of a case line between an intersection point (0.1SHp) and an intersection point (0.2SHp) when viewed in a cross-section along a tire rotation axis is radius R1, and that an av...
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JP7124492B2 |
To provide a pneumatic tire capable of reducing the mass thereof while preventing deterioration of durability.A pneumatic tire comprises a side reinforcement rubber 25 arranged to a tire side part 20, and plural protrusions 30 protruding...
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JP7115652B2 |
Provided is a run flat tire comprising a side reinforcing layer on a sidewall part, wherein a rubber composition of the side reinforcing layer has a complex elastic modulus at 100°C (E*100) of 5.0 to 17 MPa and a loss tangent at 60°C (...
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JP7105182B2 |
A run-flat tire (10) has a belt-end reinforcing layer (80) provided between the tread portion (20) and a width outside end of the belt layer (50), and formed of a resin material. The belt-end reinforcing layer (80) is annular along a tir...
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JP2022531133A |
A method of preparing a side wall support, the method comprising (i) providing a vulcanizable composition comprising an elastomer, a filler, a curing agent, and a eutectic composition, and (ii) vulcanizing property. It comprises the step...
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JP2022098867A |
To provide a run-flat tire configured so that detachment of a rim can be suppressed while assembling of the rim is facilitated.The run-flat tire comprises: a pair of first beads 10; a pair of side walls 20 extending from the pair of firs...
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JP2022098868A |
To provide a run-flat tire configured so that detachment of a rim can be suppressed while assembling of the rim is facilitated.The run-flat tire comprises: a pair of beads 10; a pair of side walls 20 extending from the pair of beads 10 r...
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JP2022098228A |
To provide a run-flat tire that can sufficiently suppress buckling that occurs during run-flat running although the tire comprises a main groove extending along a tire circumferential direction, thereby, suppressing ground contact areas ...
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JP2022098227A |
To provide a run-flat tire that can sufficiently suppress buckling that occurs during run-flat running, thereby, suppressing ground contact areas of the tire from reducing so that run-flat durability can be improved.The run-flat tire com...
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JP7094071B2 |
A pneumatic tire includes a projection formed on a surface of a tire tread portion. A thickness of the projection, which is a distance from the surface of the tread portion to a top surface of the projection, is smaller than a width of t...
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JP2022094054A |
To provide a run-flat tire that can make both reduction of rolling resistance due to weight reduction caused by volume reduction of a side reinforcement rubber layer and a run-flat function compatible.The run-flat tire comprises: a pair ...
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JP2022088821A |
To provide a run-flat tire capable of not only reducing rolling resistance by reduction of its weight but also having a run-flat function.A run-flat tire comprises: a pair of beads 10; a pair of side walls 20 extending from the pair of b...
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JP2022074546A |
To provide a run-flat tire capable of effectively inhibiting bending of the reinforcing rubber and preventing the rim from coming off during run-flat running.A run-flat tire comprises: a pair of beads 11 fitted to a rim flange 64; a pair...
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JP2022074547A |
To provide a run-flat tires enabling easy rim assembly work while inhibiting rim disengagement during run-flat running.A run-flat tire comprises: a pair of beads 11; a pair of sidewalls 12 extending outward in a tire radial direction fro...
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JP7069859B2 |
Provided is a run flat tire capable of inhibiting damage by reducing tensile force in a carcass when overrunning a pothole or the like.A run flat tire 1 includes: first bead apex rubbers 8A extending from bead cores 5 outward in a tire r...
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JP7067055B2 |
To provide a pneumatic tire comprising a side reinforcing layer at a side wall part thereof, which can improve a structure of a bead part and reduce weight of the tire while maintaining good pinch-cut resistance.A shape of an outer conto...
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JP7064352B2 |
To provide a run flat tire which achieves good ice/snow road driving performance and operation stability.A pneumatic tire 1 includes shoulder land parts 5, which are located at the tire axial outer side of a shoulder main groove 3, at a ...
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JP7059272B2 |
The side-reinforcing rubber for run-flat tires of the present invention is a side-reinforcing rubber for run-flat tires, including a vulcanized rubber which is formed of a rubber composition containing a rubber component containing a die...
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JP7047703B2 |
A pneumatic tire is provided. A bead filler is disposed on an outer circumferential side of each bead core in bead portions, a side reinforcing layer having a crescent-shaped cross-section is disposed on an inner side in a tire width dir...
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JP7040139B2 |
To provide a side reinforcement layer type run-flat tire capable of reducing a tire weight while maintaining steering stability and run-flat durability.In a pneumatic run-flat tire, a carcass layer 4 is composed of a main body part 4A, a...
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JP2022045620A |
To provide a run-flat tire which suppresses tire wear during run-flat travel traveling at zero internal pressure, and thereby enabling improving its durability.A run-flat tire comprises: a pair of beads 11; a pair of side walls 12 extend...
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JP2022045740A |
To provide a run flat tire capable of suppressing occurrence of rim detachment when lateral force is applied in run flat traveling.There is provided the run flat tire, in which rim strip rubbers 32, 41 are rubber members which are integr...
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JP7034835B2 |
A run-flat tire includes: a pair of bead portions in which bead cores are embedded; sidewall portions that are continuous with tire radial direction outer sides of the bead portions; a carcass that extends across the pair of bead portion...
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JP7031397B2 |
An object of the present invention is to provide both driving performance on icy road surfaces in a low air pressure state and driving performance on icy road surfaces in a normal air pressure state in a compatible manner. A run-flat tir...
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JP7028225B2 |
In a pneumatic tire in which a side reinforcing layer having a crescent-shaped cross-section is provided on an inner side in a tire width direction of a carcass layer in a sidewall portion, organic fiber cords having an elongation of 4.3...
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JP2022032137A |
To provide a run flat tire capable of suppressing rim removal when lateral force is generated, while ensuring ride comfort.A run flat tire is equipped with a bead 11 that has a bead base portion 11A, a side wall 12 that extends outward i...
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JP7002539B2 |
The present invention relates to a rubber composition for run flat tires, containing a rubber component; a low-molecular weight conjugated diene-based polymer having a weight average molecular weight of 10,000 to 40,000 as expressed in t...
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JP6998951B2 |
The vulcanized rubber of the present invention is a vulcanized rubber, which is formed from a rubber composition containing a rubber component containing a dienic rubber, and a vulcanizing agent, and has a tensile modulus of elasticity a...
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JP6994111B2 |
A compound of a lateral insert of a run-flat pneumatic tyre comprising a cross-linkable unsaturated chain polymer base that is capable of assuming all of the chemical-physical and mechanical characteristics of an elastomer after cross-li...
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JP6972975B2 |
A pneumatic tire including a side reinforcing layer in a sidewall portion, the pneumatic tire having an enhanced bead portion structure, reduced tire weight, and good engagement pressure and rim disengagement resistance. In a meridian cr...
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JP2021178612A |
To provide a pneumatic tire improved in durability of the tire at the time of running run-flat travelling, while reducing cavernous resonance.A belt-like sound absorption material 11 is fixed along a tire circumferential direction to an ...
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JP2021178637A |
To provide a tire which is improved in durability in a run flat travel while reducing a cavernous resonance sound.A tire has a pair of bead parts, a pair of side wall parts arranged outside the bead parts in a tire radius direction, and ...
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JP6968159B2 |
The present invention relates to a rubber composition for run flat tires, containing a rubber component; a low-molecular weight conjugated diene-based polymer having a weight average molecular weight of 10,000 to 40,000 as expressed in t...
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JP6965597B2 |
A run flat tire (1) comprises a carcass (6) formed of a carcass ply (6A) extending between a pair of bead portions (4) in a toroidal manner and a side reinforcing rubber layer (9) having a substantially crescent cross-sectional shape dis...
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JP6954060B2 |
A pneumatic tire including a side reinforcing layer in a sidewall portion, the pneumatic tire having an enhanced bead portion structure, reduced tire weight, and good rim disengagement resistance. In a meridian cross-section, an external...
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JP2021165071A |
To achieve run-flat durability and riding quality.A tire rigidity variable device 50 includes: a rigidity variable member 60 which is disposed at a part of a side wall part 8 in a run flat tire 1 in which a side reinforcement rubber laye...
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JP6948719B2 |
A pneumatic tire has a non-stretchable tread (30) flanked by two shoulder regions (34), and two non-stretchable bead regions (36) for mounting the tire to a wheel, each bead region being connected via a sidewall to the corresponding bead...
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JP6945347B2 |
To provide a run-flat radial tire having a comparatively large tire sectional height which improves run-flat durability.A run-flat radial tire includes a carcass straddling a pair of bead parts, a side reinforcement rubber which is provi...
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JP6945346B2 |
To provide a run-flat radial tire having a comparatively large tire sectional height which improves run-flat durability.A run-flat radial tire includes a carcass straddling a pair of bead parts, a side reinforcement rubber which is provi...
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JPWO2020096000A1 |
A bead core having a bead wire and a coating resin layer covering the bead wire and formed of a resin composition, and a side reinforcing rubber provided on a tire side portion and formed of the rubber composition are provided. A run-fla...
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JP2021142843A |
To provide a run-flat 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 run-flat tire includes an or...
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