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JP7088802B2 |
In a cross section along the tire width direction and tire radial direction, the angle θ1 formed by imaginary straight line L4 and imaginary straight line L5 is in the range of 30 to 70 degrees, where point A is the position on the tire...
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JP2022088967A |
To provide a tire 2 capable of achieving reduction of rolling resistance while securing required pinch-cut resistant performance.A tire 2 comprises a tread 4, a pair of side walls 6, a pair of beads 10, a carcass 12, and a belt 14. The c...
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JP2022088957A |
To provide a tire 2 capable of achieving reduction of rolling resistance without causing deterioration of steering stability.A tire 2 has a reference thickness of 2.5 mm to 3.0 mm at the maximum width position PW. 0.30 to 0.33 is a ratio...
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JP7081126B2 |
To provide a pneumatic tire capable of preventing occurrence of core collapse of a bead core in a tire vulcanization molding process.A pneumatic tire 1 comprises: a bead core 11 prepared by annularly multi-winding one or plural bead wire...
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JP7081191B2 |
To provide a pneumatic tire which enables the rim assemblability thereof to be assured and furthermore the rim slip thereof to be suppressed.A pneumatic tire 1 fitted to a normal rim R of 5° taper is provided in which a bead core bottom...
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JP2022082949A |
To provide a pneumatic tire that can improve rigidity of a bead and of a tread while suppressing weight increase and improve steering stability.The pneumatic tire comprises: a pair of beads 10; a pair of side walls 20; a tread 30; a belt...
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JP2022082046A |
To provide a tire 2 which achieves improvement of a brake performance and reduction of rolling resistance while securing required steering stability.A tire 2 includes a tread 4, a pair of side walls 6, a pair of beads 10, and a carcass 1...
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JP7078497B2 |
According to the present invention, a bead part (60) comprises: an annular bead core (61) which is composed of resin-covered cords (61a), and which extends in the tire circumferential direction; and a bead filler (62) which is arranged a...
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JP7075203B2 |
To improve durability and reduce rolling resistance of a tread part in a pneumatic tire which has a chafer layer in a bead part and suppresses concentration of distortion in a periphery of a wind-up end part of the chafer layer.A pneumat...
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JP7075205B2 |
To reduce an environmental load and improve durability in a pneumatic tire which suppresses concentration of distortion in a periphery of a wind-up end part of a chafer layer.A pneumatic tire includes a bead core 31, a bead filler 32, a ...
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JP7075206B2 |
To provide a pneumatic tire having a support rubber which suppresses concentration of distortion in a periphery of a wind-up end of a chafer layer and improves scorch performance and hardness.A pneumatic tire includes a bead core 31, a b...
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JP7075204B2 |
To improve durability and reduce rolling resistance of a tread part by suppressing concentration of distortion in a periphery of a wind-up end part of a chafer layer.A pneumatic tire includes a bead core 31, a bead filler 32, a carcass p...
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JP7075207B2 |
To provide a tire of which durability is improved by suppressing distortion and heat generation in a periphery of a chafer wind-up end.A pneumatic tire includes a bead core 31, a bead filler 32, a carcass ply 4, a side wall rubber 21, a ...
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JP7073404B2 |
Provided is an aircraft tire which has both satisfactory light weight and satisfactory separation durability of carcass ply ends. An aircraft tire (10) includes a pair of bead cores (1), and a carcass (2) extending between the pair of th...
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JP2022076898A |
To make both improvement in rigidity and reduction in weight of a side part compatible.In a tire 10 according to an embodiment, a carcass ply 20 includes a first ply 42 hung across a pair of bead cores 18 and second plies 44 arranged at ...
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JP2022076530A |
To provide a manufacturing method for a tire in which bead wire dispersion is prevented while an amount of a rubber composition in a coating layer is reduced.A manufacturing method includes: a step (A) of coating a bead wire 20 with a ru...
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JP2022076295A |
To provide a pneumatic tire which, while suppressing damage to a carcass ply, improves rim deviation resistance without deteriorating rim-assembling performance.A pneumatic tire 1 comprises: an annular bead core 11 embedded in a bead par...
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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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JP7070194B2 |
Pneumatic tire (2), wherein a length from a center in an axial direction of a boundary between a core (30) and an apex (32) of each bead (10) to an outer end (PA) of the apex (32) is not less than 10 mm and not greater than 15 mm; the ti...
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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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JP2022072390A |
To provide a pneumatic tire that can make both rigidity and weight reduction compatible.A pneumatic tire comprises a carcass ply 20 including an organic fiber cord and a side reinforcement layer 26 including a metal cord. The side reinfo...
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JP7068049B2 |
A tire vulcanizing mold includes a groove-shaped saw cut and a vent hole which are formed in a forming surface for forming a tire surface, the vent hole being opened in the forming surface so as to communicate with the saw cut, and a ven...
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JP7067213B2 |
A pneumatic tire is mounted on a 5° rim. A bead core includes a bottom inclined 0°-5° in a direction in which the bottom diverges outward in the radial direction as the bottom extends from an inner side toward an outer side in the wid...
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JP7067356B2 |
To provide a pneumatic tire excellent in durability and steering stability.In a pneumatic tire 2, a bead 10 comprises a first apex 30 and a second apex 32 positioned outside in a shaft direction of the first apex 30. A folded-back part 3...
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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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JP2022070361A |
To provide a tire that can improve layout accuracy by arranging electronic components so that they are not easily affected by a ply.A tire 1 includes: a pair of beads 11 having a bead core 21 and a bead filler 22 extending radially outwa...
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JP2022068675A |
To provide a tire capable of maintaining the characteristics of an electronic component even if the electronic component is placed near a member made of metal such as a steel side ply as a metal reinforcement layer.A tire 1 includes: a p...
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JP7063161B2 |
A pneumatic tyre includes a carcass extending between bead cores disposed in respective bead portions through a tread portion and sidewall portions, and bead apex rubbers each extending radially outwardly from the respective bead cores, ...
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JP7062932B2 |
To provide a pneumatic tire capable of improving durability of a tire while saving the weight thereof.A pneumatic tire 1 in this invention consists of a sheet-like rubber member having a hardness higher than that of a rim cushion rubber ...
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JP2022065366A |
To provide a pneumatic tire which can improve rim detachment resistance while suppressing deterioration in rim assembling properties.A pneumatic tire 1 includes an annular bead core 11 embedded in a bead part 4, and a bead base part 20 w...
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JP7059746B2 |
To provide a pneumatic tire capable of improving a ride comfort performance and rim assembly performance while restraining degradation of steering stability performance.A pneumatic tire includes a carcass having carcass plies 6A, 6B, and...
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JP2022059918A |
To provide a pneumatic tire 2 that is excellent in durability.A tire 2 includes a tread 4, a side wall 6, a bead 8, and a carcass 10. The bead 8 includes a core 18 and a filler 20. The carcass 10 includes four plies 22, 24, 26, and 28. T...
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JP7048123B1 |
To provide a high-strength cable bead capable of reliably pressing a tire body against a wheel even when a high load is applied to the tire. A cable bead 3 is a cable bead 3 having an annular core 13 and a lateral line 14 spirally wound ...
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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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JP7043839B2 |
A rim guard 50 of a tire 2 has a top 56, an inner surface 58, and an outer surface 60. A contour of the inner surface 58 is represented by a circular arc, and the circular arc has a radius of not less than 20 mm and not greater than 30 m...
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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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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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JP2022043661A |
To provide a tire excellent in overall performance of crack growth resistance and pinch cut resistance.A tire comprising a support member comprising a polyamide polyether elastomer, where polyamide polyether elastomer content (PA (mass%)...
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JP7035582B2 |
A two-wheeled vehicle tire includes a carcass extending between bead cores each disposed in a respective one of bead portions through a tread portion and sidewall portions, the carcass including at least one carcass ply (6A) having a ply...
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JP7035659B2 |
To provide a pneumatic tire that can suppress deterioration in readability of a two-dimensional code even if the pneumatic tire is used for a long period of time.The pneumatic tire comprises: a pair of bead cores; a carcass ply wound aro...
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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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JP2022039314A |
To provide a rubber composition for side members that can achieve improved crack growth resistance after aging and a tire.A rubber composition for side members has: a rubber component containing isoprene rubber and butadiene rubber; a fi...
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JP7032924B2 |
To provide a pneumatic tire which can improve braking performance and durability of a bead part while improving steering stability by arranging a side reinforcing layer.A pneumatic tire 1 includes a pair of side reinforcing layers 21A, 2...
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JP7031096B2 |
To prevent or suppress a failure of a tire bead core due to the separation of coated rubber on a pneumatic tire from steel wires, a tire bead core (6) of a green tire (1) is provided with a pluralityof bead steel wires (8) in the cross s...
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JP7031348B2 |
Provided is a pneumatic tire capable of improving braking performance on ice and reducing rolling resistance. In the pneumatic tire including a tread portion (1), a pair of side wall portions (2), and a pair of bead portions (3), a carca...
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JP7031135B2 |
To provide a pneumatic tire that can make both air-inflate characteristics of the tire and rim-assembly easiness and rim-detachment easiness of the tire compatible.In a pneumatic tire 1, in a cross sectional view in a tire meridian direc...
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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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JP7024477B2 |
The tire comprise a rubber assembly 15 including a first rubber member 11, a second rubber member 12, and a third rubber member 13 which are arranged in series in the cross-section including the tire rotational axis. The method comprises...
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JP7024185B2 |
A pneumatic tire for heavy load improves the durability of a tire portion. The pneumatic tire has a tire body (6) comprising a main body portion (6a) from the tire surface portion (2) to a tire core (5) of a tire portion (4) through a si...
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