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JP2023092068A |
To provide a pneumatic tire that can make both improvement in resistance against getting of a rim and easiness in rim assembling work compatible.A pneumatic tire comprises: a pair of beads 10 having a bead core 11 and a bead filler 12 an...
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JP2023092067A |
To provide a pneumatic tire that can make both improvement in resistance against getting off of rim and easiness in rim assembling work compatible.A pneumatic tire comprises: a pair of beads 10 having a bead core 11 and a bead filler 12 ...
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JP7300809B2 |
The present invention provides a pneumatic tire (1) having improved durability while maintaining or improving good handling stability. The present invention relates to a pneumatic tire including an outer apex (40) formed from a rubber co...
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JP2023089362A |
To provide a run-flat tire 2 which has necessary run-flat durability and excellent ride comfort.The tire 2 comprises a pair of support layers 18 positioned inside in an axial direction of a side wall 6. A bead 8 comprises a core 32 and a...
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JP7299745B2 |
A tire is provided which is capable of maintaining the performance of an embedded electronic component, by arranging the electronic component at a position in the tire structure which hardly receives the influences of stress and distorti...
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JP7298240B2 |
To improve peripheral uniform fitting performance.A pneumatic tire 1 has a pair of bead parts 4. Each bead part 4 includes a bead base surface 10 extending outwards in a tire axial direction from a bead tow 4e, a bead flange surface 11 e...
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JP2023087555A |
To provide a pneumatic tire that is excellent in durability.In the pneumatic tire, contents (US) of sulfur in a rubber composition (U) used in an upper bead filler, contents (LS) of sulfur in a rubber composition (L) used in a lower bead...
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JP2023087601A |
To readily fit an RFID tag in a pneumatic tire that includes: a bead filler having an outside surface made of a resin material; and a carcass ply including a cord covered with a coating rubber.A pneumatic tire 10 includes: a carcass 16 i...
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JP2023087599A |
To provide a tire where a tire skeleton member is formed of a resin material which facilitates mounting of an RFID.A tire 10 includes: a tire skeleton member 12 having a bead part 16 where bead cores 14 are buried in a bead filler part 1...
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JP7294331B2 |
In a state in which the pneumatic tire is mounted on a regular rim and inflated to 5% of a specified internal pressure, a tread width is TW, a total tire width is SW in a tire meridian cross-sectional view, a relationship of 0.80≤TW/SW...
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JP2023085087A |
To provide a tire capable of suppressing damage to a communication device.A tire 1 is equipped with a side rubber 8, a bead filler 4b, a carcass 5 that has a carcass ply 5a including a carcass cord 5c, and a communication device 10. The ...
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JP2023085091A |
To provide a tire capable of suppressing damage to a communication device.A tire 1 is equipped with a side rubber 8, a bead filler 4b, a carcass 5 that has a carcass ply 5a including a carcass cord 5c, and a communication device 10. The ...
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JP2023082914A |
To provide a tire that can achieve improvement in pinch-cut resistance.A tire 2 has a nominal size of a cross sectional height which is 110 mm or less. The tire 2 comprises a tread, a pair of side walls, a pair of beads, a carcass, a bel...
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JP2023082404A |
To provide a tire 2 capable of preventing biting of a spew when assembled into a rim.A tire 2 includes a bead part 2B engaged with a rim R. The bead part 2B includes: a first vent line 50 extending in a peripheral direction; a second ven...
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JP7290640B2 |
A steel cord containing a core layer and an sheath layer, the core layer containing a plurality of core wires with a number of n and the sheath layer comprises a plurality of sheath wires with a number of m, and the steel cord has a flat...
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JP7290200B2 |
Provided is a pneumatic tire that can provide satisfactorily-maintained steering stability and ride comfort at high speeds while reducing road noise. A belt cover layer (8) made of a cover cord spirally wound along a tire circumferential...
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JP2023078783A |
To provide a pneumatic tire sufficiently improved in wet-grip performance during high-speed steering.In a pneumatic tire 1 in which a direction of mounting in mounting the tire on a vehicle is designated, a cap rubber layer 21 of an oute...
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JP2023078762A |
To provide a pneumatic tire sufficiently improved in grip performance during high-speed steering.In a pneumatic tire in which a direction of mounting in mounting the tire on a vehicle is designated, a cap rubber layer 21 of an outermost ...
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JP7288396B2 |
Provided is a pneumatic tire that achieves a reduction in weight without the occurrence of problems caused by a bead core, by using a bead core that is lightweight and has excellent performance requirements as a bead core, such as rim mo...
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JP7287193B2 |
To provide a pneumatic tire which shows excellent wet traction performance and uneven wear resistance.In a pneumatic tire, a rim cushion rubber contains a natural rubber and a diene rubber including butadiene rubber. In 100 pts. mass of ...
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JP7287187B2 |
To provide a heavy-load pneumatic tire which shows excellent wet traction performance and uneven wear resistance.In a heavy-load tire, a rim cushion rubber contains a natural rubber and a diene rubber including butadiene rubber. In 100 p...
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JP7287437B2 |
The present invention discloses a rubber composition that includes rubber, filler, a sulfur-containing silane coupling agent, and a vulcanization accelerator, the rubber including 30-60 parts by mass of NR and 40-70 parts by mass of BR, ...
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JP7283860B2 |
A pneumatic tire having a tire component prepared by use of a rubber composition according to the present invention which comprises: a polybitadiene (i) which satisfies conditions of (A) a Mooney viscosity (ML 1+4, 100°C ) of 43 to 70, ...
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JP7283617B1 |
A heavy-duty tire 2 capable of forming a good communication environment and reducing the risk of damage to an RFID tag while suppressing the impact on durability. A tire (2) comprises a pair of beads (10), a carcass (12), a pair of steel...
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JP7283301B2 |
To provide a pneumatic tire for a heavy load capable of improving wet traction performance without impairing ride comfort.In a pneumatic tire for a heavy load, an upper bead filler 62 includes carbon black of 40-100 m2/g of nitrogen abso...
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JP2023071455A |
To provide a two-wheeled motor vehicle tire which can improve rim assembly performance while maintaining operation stability performance.A bead core 5 includes, on a first transverse plane, a plurality of bead wires 10 including an outer...
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JP2023071288A |
To provide a pneumatic tire that can make both a reduction in air resistance in a vehicle and suppression of an increase in tire whole width compatible.A tire 1 as one example of embodiments includes: a plurality of outside diameter-side...
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JP2023070532A |
To provide a tire for a motorcycle, the tire being capable of maintaining steering stability for many hours.A tire 1 for a motorcycle is provided, comprising: a carcass 6 which extends between a pair of bead portions 4 via a tread portio...
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JP2023068958A |
To provide a pneumatic tire of an outer apex structure, which improves durability performance of a toe of bead.In a pneumatic tire, a reinforcement rubber layer adjacent to the tire-axial-direction outside of a folded part is arranged on...
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JP2023069500A |
To provide a pneumatic tire enabling the side rigidity thereof to be improved more than ever before.A pneumatic tire comprises: a pair of beads 10 each of which has a bead core 11 and a bead filler 12 extending from the bead core 11 outw...
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JP7271951B2 |
To provide a pneumatic tire that can exert an excellent wet performance while reducing weight and a rolling resistance.A pneumatic tire comprises a tread part 1, a pair of side wall parts 2 and a pair of a bead part 3. A carcass layer 4 ...
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JP7272099B2 |
Provided is a motorcycle tire that allows achievement of both absorption and stiffness feeling under application of traction.A motorcycle tire 1 includes a carcass 6 and an inner liner 7. The carcass 6 has at least one carcass ply 8 that...
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JP7271961B2 |
To provide a pneumatic tire in which a bead filler has a two-layer structure constituted of an upper bead filler and a lower bead filler, which has low rolling resistance and has a bead part being excellent in durability.A pneumatic tire...
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JP7271907B2 |
To provide a pneumatic tire that can make both durability and productivity compatible, and a manufacturing method of the pneumatic tire.A carcass 6 has at least one carcass ply 6A including a main body part 6a extending from a tread part...
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JP2023064575A |
To provide a pneumatic tire which is easily assembled to a rim, while attaining improvement in bead durability.A carcass of a pneumatic tire comprises wind-up parts 4b that are wound up respectively around a bead core 5 and extend outwar...
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JP2023063658A |
To provide a pneumatic tire which is excellent in durability of a bead filler and resistance to external damage of a side wall.A carcass 4 has a first ply 41 laminated at the relatively inner side in the tire radial direction on a tread ...
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JP2023063645A |
To provide a pneumatic tire which is excellent in durability of a bead filler and resistance to external damage of a side wall.A carcass 4 has a first ply 41 laminated at the relatively inner side in the tire radial direction on the trea...
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JP2023063646A |
To provide a pneumatic tire which is excellent in resistance to external damage and durability of a side wall.A raised part 7 provided in a buttress region 2B of a side wall 2 includes a maximum raised height position 7M arranged at the ...
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JP2023062404A |
To provide a pneumatic tire which can improve rim fitting properties and also improve operation stability.A pneumatic tire 1 comprises: a tread 10; a side wall 20; and a bead part 30. The bead part 30 includes: a bead base surface 34 whi...
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JP2023061468A |
To provide a tire 2 that is prevented from being damaged when the tire is mounted on a rim.The tire 2 comprises a tire inner surface 32 formed of a bladder or of a rigid body core, and a tire outer surface 42 formed of a mold. A boundary...
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JP2023060806A |
To provide a tire with a clinch part of which crack resistant performance is improved.A tire includes a clinch part. The clinch part is constituted of a rubber composition containing a rubber component and a filler. The rubber component ...
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JP7263747B2 |
To provide a tire improved in durability while suppressing an increase in mass.In a pneumatic tire 2, beads 10 comprise a core 34, a first apex 36 extending outward in a radial direction from the core 34, and a second apex 38 positioned ...
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JP7264008B2 |
Provided is a tire comprising a tread part extending in a circumferential direction to form an annular shape, a pair of sidewall parts arranged on both sides of the tread part, a pair of bead parts, each of the pair of bead parts having ...
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JP7263936B2 |
To provide a pneumatic tire such that a rubber flow defect can be suppressed from being caused.A pneumatic tire has: a carcass 40 which has a turn-up ply 41 and a turn-down ply 45; a rim cushion rubber 50 which is arranged from inside a ...
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JP7263940B2 |
To solve the problem that there is the problem that ride comfort deteriorates in a method in which a cap tread rubber is softened to deteriorate spring characteristics in order to reduce road noise derived from a tire, where reduction of...
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JP7261002B2 |
To provide a pneumatic tire having a concave part near the maximum width position of a side wall part, which can suppress deterioration in rigidity of the side wall part of the tire.A pneumatic tire 1 comprises: a pair of left and right ...
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JP7255581B2 |
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 butadiene-based elastomer, and a tempera...
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JP2023050713A |
To provide a tire 2 capable of improving riding comfort while maintaining favorable silence property.A tire 2 includes a pair of beads 10, a carcass 12, and a pair of strip apexes 20. An inner end 48 of each of the strip apexes 20 is loc...
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JP7251204B2 |
In the present invention, ride comfort and ground contact feeling are improved while steering stability is maintained.Provided is a motorcycle tire 1 having a carcass 6 including a carcass ply 6A. The carcass ply 6A includes a first ply ...
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JP7251326B2 |
To provide a pneumatic tire capable of improving durability of a bead part.A pneumatic tire which has such a structure that a carcass layer 4 including a steel cord is curled up from a tire inside to an outside around a bead core 5 of ea...
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