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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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JP7438025B2 |
To provide a pneumatic tire capable of improving steering stability by supporting load on sidewalls more efficiently.A pneumatic tire comprises: a pair of bead portions 30 arranged at an interval wider than a regular rim width W0 in a no...
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JP2024025428A |
[Problem] To provide a tire 2 that can improve both durability and weight reduction. A tire 2 includes a pair of beads 8, a carcass 10, a pair of protective rubber layers 6, and a pair of reinforcing rubber layers 22. The carcass ply 42a...
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JP7436808B2 |
To provide a tire which is capable of suppressing rim slip and/or rim detachment at high level and suppresses rolling resistance.A tire includes two pairs composed of first parts (22a, 24a) where a profile (P) protrudes from a reference ...
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JP2024023082A |
An object of the present invention is to provide a pneumatic radial tire for passenger cars that has both low fuel consumption and cut resistance. [Solution] In the pneumatic radial tire for passenger cars of the present invention, the c...
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JP7425740B2 |
A tire (1) includes a bead member (50) having a bead core (60) and a bead filler located at an outer side of the bead core in the tire radial direction, in which the bead filler (70) is formed of a resin composition, which includes a the...
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JP7424024B2 |
To suppress the breakage of a projecting portion while highly ensuring rim fixing force.A solid tire 1 is for being installed to a side ring-less type rim 4. A base rubber layer 9 of the solid tire 1 is equipped with a projecting portion...
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JP7420521B2 |
To improve rigidity and steering stability in association therewith, in a pneumatic tire having a carcass play composing an omission portion.A tire 1 comprises: a tread portion 2; a pair of side wall portions 3; a pair of bead portions 4...
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JP2024009445A |
[Problem] To provide a tire 2 that is less likely to be damaged when assembled on a rim. A tire 2 includes an inner tire surface 32 shaped with a bladder or a rigid core, and an outer tire surface 42 shaped with a mold. The boundary betw...
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JP2024007163A |
[Problem] To provide a tire with improved ride comfort performance during high-speed driving. [Solution] A tire in which a tread portion has a cap rubber layer constituting a tread surface and a base rubber layer disposed inside the cap ...
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JP7415131B2 |
Provided is a pneumatic tire. A carcass line when 10% of a regular internal pressure is applied is composed of a curved line (S) connecting arcs having different radii of curvature and curved to project outward in a tire width direction ...
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JP7415405B2 |
To provide a tire/rim assembly which can reduce air resistance.A tire/rim assembly includes a rim having a flange Rb, and a pneumatic tire 1 mounted on the rim. The pneumatic tire 1 includes a rim guard 10 which projects to an outer side...
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JP7415404B2 |
A tyre and rim assembly includes a rim (R) having a pair of flanges, and a pneumatic tyre (1) being mounted onto the rim, the pneumatic tyre including a pair of bead portions and a rim guard (10) being provided on at least one of the pai...
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JP2024002996A |
[Problem] To provide a heavy-duty tire 2 that can suppress the occurrence of damage caused by the presence of an RFID tag 54. A tire 2 includes a pair of chafers 8 and a tag member 26. Chafer 8 makes contact with rim R. Tag member 26 inc...
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JP2024002912A |
[Problem] To provide a heavy-duty tire 2 that can create a good communication environment and reduce the risk of damage to an RFID tag while suppressing the impact on durability. A tire 2 includes a pair of beads 10, a carcass 12, a pair...
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JP2024002772A |
[Object] To provide a tire that can achieve both low rolling resistance performance and durability performance. [Solution] In this tire 1, a point Al on the side profile at the same position in the tire radial direction with respect to t...
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JP7411561B2 |
In the present invention, a carcass (40) has a main body part (41) and a folded-back part (42) folded back toward the outside in the tire width direction via a bead part (60). A bead filler is not interposed between the main body part 41...
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JP2024000880A |
An object of the present invention is to provide a pneumatic tire in which air resistance can be reduced without increasing manufacturing effort. [Solution] A pair of beads 10 having a bead member 16 including a bead core 11 and a bead f...
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JP7402028B2 |
To provide a rubber composition for tire bead insulation rubber or bead cover rubber that is excellent in low heat build-up properties and can exhibit high steering stability of a tire.A rubber composition for tire bead insulation rubber...
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JP7400330B2 |
To provide a pneumatic tire that achieves an improvement in driving stability while suppressing an increase in fitting pressure.A tire 2 includes a tread 4, a pair of side walls 6, a pair of clinches 8, a pair of beads 10, and a carcass ...
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JP7400329B2 |
To provide a tire 2 that achieves an improvement in driving stability while suppressing an increase in fitting pressure.A tire 2 comprises a tread 4, a pair of side walls 6, and a pair of beads 10. In a load state, the distribution of pr...
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JP7400229B2 |
A tire (12) comprises a tread surface (34); seat contact surfaces (58) each to be in contact with a seat of a rim; and side surfaces (60) extending on and between the tread surface (34) and the seat contact surfaces (58); each side surfa...
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JP7397294B2 |
To provide a rubber composition for tires which has practically sufficient steering stability and has enhanced durability by improving rupture characteristics.The rubber composition for tires is obtained by blending 100 pts.mass of a die...
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JP7395124B2 |
Provided is a pneumatic tire with which the same driving safety as prior arts can be ensured and an improvement in fuel efficiency performance and durability performance is achieved. In this pneumatic tire, the tire radial direction outs...
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JP7394635B2 |
To suppress occurrence of noise due to vibration of a tire side part in a travel time.A pneumatic tire comprises: bead cores 4 each of which is arranged on one/the other of both sides of a tire width direction; a pair of bead filler 5 on...
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JP2023174336A |
To provide a rubber composition for tires that has excellent damage resistance performance, and a tire that comprises a tire member composed of the rubber composition for tires.Provided is a rubber composition for tires that contains a r...
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JP2023550275A |
The present invention relates to a composition comprising (a) an elastomeric polymer material and (b) a carbon black material comprising (i) carbon black obtained from a carbon black feedstock comprising a renewable carbon black feedstoc...
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JP2023169490A |
To provide a pneumatic tire securing air shut-off performance and durability of a rubber chafer, while suppressing molding defect in a bead part.In the pneumatic tire, an end of a butyl rubber layer is arranged closer to inside in a tire...
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JP7388056B2 |
A pneumatic tire comprises: a bead portion provided with an inside bead apex rubber disposed between a turned up portion and a main portion of a carcass ply, and an outside bead apex rubber disposed axially outside the turned up portion ...
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JP2023167535A |
To provide a tire capable of improving aesthetic performance after traveling at high speed.Provided is a tire with a tread part and a clinch part, in which a ratio (G/WL) of a tire weight G(kg) to a maximum load capacity WL(kg) of the ti...
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JP7381845B2 |
To provide a heavy-duty pneumatic tire which is superior in wet traction performance and abrasion resistance.The cap tread rubber in a heavy-duty pneumatic tire comprises: diene-based rubber containing natural rubber and butadiene rubber...
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JP7380821B1 |
[Problem] To provide a heavy-duty tire that can create a good communication environment and reduce the risk of damage to RFID tags while reducing weight. A tire includes a pair of beads, a carcass, a pair of sidewalls, a pair of chafers,...
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JP7380014B2 |
A pneumatic tire comprises a carcass ply extending between bead portions through a tread portion and sidewall portions, and turned up around a bead core from the inside to the outside of the tire in each of the bead portions, so as to fo...
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JP7379979B2 |
To provide a heavy-duty pneumatic tire 2 in which the damage risk of RFID tag 78 is reduced while considering influence of a bead part B on durability.A tire 2 comprises a tag formation 28 composed of RFID tag 78 and a covering rubber 80...
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JP7380801B1 |
[Problem] To provide a heavy-duty tire 2 that can create a good communication environment and reduce the risk of damage to an RFID tag. This tire 2 includes a pair of beads 10, a carcass 12, and a tag member 26 including an RFID tag 60. ...
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