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JP2023014840A |
To provide a tire achieving both low fuel economy and strength (high-speed durability).A tire comprises a cord-rubber composite. Tire weight (WT) of the tire is 20 kg or less. The cord-rubber composite includes an organic fiber cord, a t...
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JP7213073B2 |
This multi-air-chamber tire 1 comprises: partition walls 30 that divide and form a plurality of air chambers 20 adjacent to each other in a tire inner cavity; and ventilation members 10 provided in the partition walls 30, the ventilation...
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JP7213074B2 |
A multi air chamber tire 1 includes a partition wall 30 configured to define and form a plurality of air chambers 20 disposed adjacent to each other in an inner cavity of a tire, and a ventilation member 10 provided to the partition wall...
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JP7211116B2 |
To solve the problem that it is required in an industry to simultaneously improve air permeation prevention performance and low-temperature performance for an inner liner, in a view of the fact that an innermost layer of a tubeless pneum...
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JP7211218B2 |
To provide good ride comfort while preventing uneven wear of a tire of which a mounting direction on a vehicle is specified and a tread part is partitioned into three land parts by main grooves.A tire includes a tread part 2, and its mou...
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JP2023009808A |
To provide a sponge material winding device 152 capable of contributing to stable production of a tire with a sponge of high quality.A winding device 152 comprises a sponge storage cassette 72, a fitting tool 154, and a compression tool ...
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JP2023009749A |
To provide a sponge storage cassette 72 which can contribute to stable production of a tire with a sponge of high quality.A sponge storage cassette 72 comprises: a cylindrical core 102 around which a sponge material M is wound on its out...
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JP2023009772A |
To provide a manufacturing method of a tire with a sponge capable of contributing to stable production of a tire with a sponge of high quality.A manufacturing method includes the steps of: (1) fitting a sponge storage cassette 72 with a ...
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JP7206952B2 |
A tire capable of achieving both steering stability and ride comfort is provided. An outer middle land portion 4A demarcated between an outer shoulder circumferential groove 3A and an outer crown circumferential groove 3B and located at ...
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JP2023006892A |
To provide a tire which is improved in the durability of a communication device provided in the tire.A tire is formed of a first half part on a vehicle mounting outer side with respect to a tire equatorial plane and a second half part on...
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JP7205241B2 |
Provided is a tire that can allow achievement of both steering stability and ride comfort.A tread portion 2 has an outer tread end Teo that is positioned on an outer side of a vehicle when mounted to the vehicle, a plurality of circumfer...
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JP7205390B2 |
Provided is a pneumatic tire with wet steering stability performance and dry steering stability performance enhanced in a well-balanced manner.A dimple group is composed of a plurality of dimples (100 to 104) disposed at intervals and al...
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JP7205186B2 |
Sufficient air-seal performance is exhibited, maintaining road noise performance. A pneumatic tire 1 includes, at a tire inner cavity i side of a tread portion 2, a sealant layer 10 and a sound absorption layer 11 formed of a sponge mate...
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JP7205237B2 |
On a pneumatic tire, a sound absorbing member is installed on an inner surface of a tread portion via a surface fastener including a pair including a hook member and a loop member, the hook member including hook-shaped elements on one su...
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JP7205475B2 |
A tread pattern of a pneumatic tire includes a pair of circumferential grooves and a plurality of siped lug grooves extending in a tire width direction between the pair of circumferential grooves and disposed at intervals in the tire cir...
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JP2023001543A |
To provide a tire which can reduce lateral force loss occurring during acceleration and deceleration when a vehicle travels in a straight line to improve anteroposterior force even if the tire is attached to a vehicle in a state that neg...
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JP2023001588A |
To provide a tire which can effectively suppress grounding pressure omission at the time of large input turning even when an asymmetrical pattern having a low negative rate outside (OUT side) when being mounted on the vehicle is adopted....
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JP2023001584A |
To provide a tire which can effectively suppress grounding pressure omission at the time of acceleration or deceleration in a direct advance state even when an asymmetrical pattern having a low negative rate inside (IN side) when being m...
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JP2023001693A |
To provide a pneumatic tire which improves noise performance.A pneumatic tire has a tread part 2. A porous sound absorbing member 20 is provided on a tire inner cavity 2S side of the tread part 2. The sound absorbing member 20 is formed ...
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JP2023001549A |
To provide a tire which can reduce lateral force loss to improve anteroposterior force even when the tire is attached to the outer side as seen in a turning direction and a maximum lateral acceleration is exerted on the tire during turni...
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JP7198080B2 |
The present invention provides a pneumatic tire capable of improving dry road steering stability and wet skid resistance. The pneumatic tire (1) is configured in such a manner that in a tread portion (2), an inner land portion (50) is de...
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JP2022554204A |
A modified polymer having a structure in which a molecular weight modifier is bound to at least one of both ends of a petroleum resin at least partially hydrogenated or non-hydrogenated, and a rubber composition comprising a viscosity mo...
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JP7198071B2 |
A pneumatic radial tire for passenger vehicles of the present disclosure includes a carcass toroidally spanning between a pair of bead portions and including plies of radially arranged cords. A sectional width SW (mm) and an outer diamet...
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JP2022191142A |
To provide a tire in which operation stability and noise performance are improved.Provided is a tire that includes a tread portion 2 having a designated mounting direction to a vehicle. An outer shoulder land portion 11 has the greatest ...
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JP7196588B2 |
A pneumatic tire includes a first main groove on the outer side in the vehicle width direction of the equatorial plane, a second main groove closer to the equatorial plane than the first main groove, a third main groove on the inner side...
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JP2022191002A |
To provide a tire improved in noise performance and brake performance while retaining wet performance.A tread part 2 includes an inner tread end Ti, an outer tread end To, a circumferential groove 3, and a land part 4. The circumferentia...
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JP2022191141A |
To provide a tire improving braking performance while maintaining steering stability.Provided is a tire with a tread part 2. The tread part 2 includes a pair of shoulder peripheral direction grooves 3A, a pair of crown peripheral directi...
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JP2022190895A |
To provide a tire 2 which can achieve improvement in its handling performance on dry road surfaces and wet road surfaces, without deteriorating its uneven wear resistance.An exterior surface TS of the tire 2 comprises a tread surface T a...
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JP2022190432A |
To provide a tire capable of exhibiting excellent on-snow turning performance.A tire has a tread part 2 in which a fitting direction to a vehicle is designated. A plurality of outer shoulder lateral grooves 50 are disposed in an outer sh...
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JP2022190431A |
To provide a tire capable of exhibiting excellent noise performance.A tire has a tread part 2 in which a fitting direction to a vehicle is designated. A plurality of outer shoulder lateral grooves 50 are disposed in an outer shoulder lan...
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JP7192015B2 |
The present invention relates to a foam tape (100) for a sound-absorbing tire, the foam tape including a release film (101); a tacky adhesive layer (102) formed underneath the release film; a base film (103) formed underneath the tacky a...
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JP7191133B2 |
According to the invention, there is provided a non-pneumatic tire including: a tread part (110) having an outer circumferential surface at which a bent pattern is formed; at least one reinforcing structure part (120) that is positioned ...
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JP7188473B2 |
Provided is a tire having, inter alia, exceptional ride quality after long-term storage. This tire comprises a tread portion and a sidewall portion, the tire being characterized in that the tread portion and/or the sidewall portion is co...
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JP7187255B2 |
In a pneumatic tire, a way in which at least one outboard shoulder land groove is inclined with respect to a tire circumferential direction and a way in which at least one outboard middle land groove is inclined with respect to the tire ...
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JP2022181026A |
To provide a rubber composition that prevents a rubber member disposed between an inner liner and a carcass ply of a pneumatic tire from shrinking after its molding, thus preventing member-to-member peeling in a green tire, and giving a ...
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JP7183849B2 |
To provide a tire that can be improved in steering stability and noise performance.A tire has a tread part 2 in which a direction of mounting on a vehicle is specified. A main groove 3 arranged in the tread part 2 includes a first should...
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JP7183850B2 |
To provide a tire that can be improved in steering stability and noise performance.A tire has a tread part 2 in which a direction of mounting on a vehicle is specified. A main groove 3 arranged in the tread part 2 includes a first should...
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JP7183848B2 |
To provide a tire that can be improved in steering stability and noise performance.A tire has a tread part 2 in which a direction of mounting on a vehicle is specified. A main groove 3 arranged in the tread part 2 includes a first should...
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JP7183747B2 |
To provide a tire that can exert excellent on-ice and on-snow performance without deteriorating abrasion resistance.The tire includes a tread part 2, and the tread part 2 includes at least one first block 16. The first block 16 includes ...
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JP2022178200A |
To provide a tire improved in dry grip performance and wet performance at the time of high-load running.A tire 1 has a tread part 2. The tread part 2 is sectioned into a first land part 7 positioned outside an outer main groove 3B, and a...
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JP2022177620A |
To provide a pneumatic tire that is used as a driving wheel for on-road which can improve drainage without impairing traction performance.A pneumatic tire 100 has a directional pattern including a plurality of width direction grooves 11 ...
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JP7180225B2 |
To improve effect for reducing cavernous resonance while reducing an amount of a porous resin foam.A pneumatic tire 1 includes a sound suppressing body 20 made of a porous resin foam at a tire inner cavity surface 1S. The sound suppressi...
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JP7180151B2 |
To provide a pneumatic tire improving a steering stability by addition of a film layer and enabling prevention of film layer peeling during travel.In a pneumatic tire comprising: an annular tread 1 extending in a tire circumferential dir...
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JP7177008B2 |
A pneumatic tire includes, on a tread surface, at least one water absorption hole that includes a narrow-diameter portion on the tread surface side and a wide-diameter portion, on the hole bottom side, with a larger diameter than the nar...
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JP2022173900A |
To provide a tire which is suppressed in uneven wear and furthermore improved in wet performance.A tread portion 2 includes a first shoulder circumferential groove 5, a first crown circumferential groove 7, and a first middle land portio...
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JP2022173595A |
To provide an automobile pneumatic radial tire having improved noise suppression properties.An automobile pneumatic radial tire includes a carcass striding in a toroidal manner between a pair of bead parts and composed of a ply of a radi...
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JP2022172715A |
To provide a tire including a tire skeleton that is made of a thermoplastic resin material and has excellent durability, and to provide a method for manufacturing a tire skeleton.A tire includes: a tire skeleton formed of a resin materia...
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JP7173474B2 |
A noise damper includes an open cell foam having a circumferential first tier and an interposed circumferential second tier including blocks and voids. The first tier has a radial height that is 3.0-8.0% of a section height and a first a...
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JP7172561B2 |
A tire having a tread portion with a designated mounting direction. An outer shoulder land portion has outer shoulder lateral grooves. An inner shoulder land portion has inner shoulder lateral grooves. Each outer shoulder lateral groove ...
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JP7172289B2 |
A pneumatic tire having lug grooves in shoulder land portions that each include one end reaching at least a ground contact edge and an other end terminating in the shoulder land portion. Sipes in the shoulder land portions each include o...
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