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WO/2021/124662A1 |
In order to achieve both shock burst resistance and productivity, a belt cover layer 15 is disposed between shoulder regions Ash on both sides in a tire width direction, and is formed in such a manner that a strip-shaped belt cover mater...
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WO/2021/123588A1 |
The invention relates to a reinforced layer comprising a plurality of reinforcing elements which are arranged side by side parallel to each other in a main direction (A) and embedded in a polymer composition, in which layer each reinforc...
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WO/2021/125112A1 |
A pneumatic tire having: a carcass; a spiral belt configured by coating, with a resin material, a belt cord that is disposed on the outward side of the carcass in the tire radial direction and wound around in a spiral shape in the tire c...
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WO/2021/123587A1 |
The invention relates to a hardened product comprising at least one metal hardening element and a rubber composition comprising at least one diene elastomer, a hardening filler and a sulphur-based crosslinking system, the rubber composit...
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WO/2021/117519A1 |
The present invention pertains to: an adhesive composition for organic fiber cord, that has little environmental load as a result of not containing resorcin or formalin and has good adhesiveness; a production method for the adhesive comp...
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WO/2021/117521A1 |
A purpose of the present invention is to provide an adhesive composition which, even when containing neither formalin nor resorcinol, can have excellent adhesiveness. This adhesive composition is characterized by comprising a polypheno...
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WO/2021/117297A1 |
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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WO/2021/117427A1 |
A tire resin member manufacturing method comprising: a molding step for molding a tire resin member containing a resin of at least one of a thermoplastic elastomer and a thermoplastic resin; and an electron beam irradiation step for irra...
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WO/2021/117520A1 |
A purpose of the present invention is to provide a method for producing an adhesive composition, the method rendering excellent adhesiveness and production efficiency possible even when the adhesive composition contains neither formalin ...
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WO/2021/117491A1 |
Provided is a tire that has low rolling resistance and superior separation resistance, has high belt in-plane stiffness, and is also capable of suppressing pass-by noise. A tire 100 includes a belt 105, comprising at least one belt lay...
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WO/2021/117425A1 |
Provided is a run-flat tire that can achieve weight reduction while ensuring steering stability. This run-flat tire comprises a reinforcement rubber layer 50 disposed on a tire inner cavity side of a carcass ply 23 on a side wall 12, whe...
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WO/2021/117418A1 |
A resin/metal composite member for tires which comprises a metallic member and a resin layer disposed around the metallic member, wherein the resin layer comprises a thermoplastic elastomer and an epoxy resin as resins.
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WO/2021/117553A1 |
[Solution] A tire comprises: a belt provided on an outer side, in a tire radial direction, of a carcass disposed within a tire case 13, the belt being constituted by resin-coated cords, in which the cords are coated with a coating resin ...
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WO/2021/117495A1 |
This vulcanized-rubber/metal composite comprises a vulcanized rubber and a metal that have been bonded to each other with an adhesive layer interposed therebetween, wherein the vulcanized rubber is a rubber obtained by vulcanization from...
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WO/2021/111076A1 |
The invention relates to a tyre having a transponder, comprising: - a crown which has a crown reinforcement with an axial end at each edge, joined at each of its axial ends to a bead, which has an inner end, by a sidewall; - a carcass re...
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WO/2021/111075A1 |
The invention relates to a tyre having a transponder, comprising: - a crown which has a crown reinforcement having an axial end at each edge, joined at each of its axial ends to a bead, which has an inner end, by a sidewall; - a carcass ...
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WO/2021/112049A1 |
A fiber comprises a plurality of metal strands and a plurality of resin strands formed from a thermoplastic resin. By heating the fibers, the resin strands are melted and a bonding resin is formed that bonds the plurality of metal strand...
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WO/2021/105587A1 |
The invention relates to a tyre, the tread (6) of which comprises at least two layers (61, 62) of elastomer blends. According to the invention, the two working crown layers (51, 52) and at least one layer (53) of circumferential reinforc...
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WO/2021/106326A1 |
A pneumatic tire achieves both handling stability on dry road surfaces and shock burst resistance. An elongation of break EB of a carcass cord constituting a carcass layer (13) satisfies a condition of EB ≥ 15%. A tread part (2) includ...
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WO/2021/106915A1 |
Provided is a pneumatic tire with which steering stability and durability of the tire can be improved while transponder communicability is ensured. This pneumatic tire has a structure in which a carcass layer 4 is rolled up around a bead...
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WO/2021/106429A1 |
A purpose is to provide a tire with improved uneven wear resistance. When, in a tire plan view, an inclination angle of a cord contained in a second belt layer (26c) relative to a tire width direction is a positive inclination angle, and...
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WO/2021/106917A1 |
Provided is a pneumatic tire in which transponder communicability and external damage resistance can be improved. A transponder 20 extending along a tire circumference direction is embedded between a carcass layer 4 and an inner liner la...
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WO/2021/105586A1 |
The invention relates to a pneumatic tire comprising a crown reinforcement (4) made up of two working crown plies (41, 42) of reinforcing elements and at least one ply (43) of circumferential reinforcing elements. According to the invent...
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WO/2021/106916A1 |
Provided is a pneumatic tire capable of improving maneuvering stability and durability of the tire while ensuring communicability of a transponder. This pneumatic tire has a structure where a carcass layer 4 is wound up, from the inside ...
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WO/2021/106413A1 |
Provided is a rubber-metal complex in which a rubber member and a metal member are firmly attached to each other. In this rubber-metal complex, the rubber member and the metal member are attached to each other with an adhesive layer inte...
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WO/2021/105952A1 |
Method for the treatment of single-filament polyethylene terephthalate cords for the reinforcing layers of a pneumatic tyre comprising (a) an adhesive solution coating step, wherein the single filament cord is immersed in an adhesive sol...
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WO/2021/105588A1 |
The invention relates to a tyre, the tread (6) of which comprises at least two layers (61, 62) of elastomer blends. According to the invention, the two working crown layers (51, 52) are only present to form the crown reinforcement (5) ov...
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WO/2021/100302A1 |
This pneumatic tire achieves both low rolling resistance and shock burst resistance. A carcass layer 13 is constituted by carcass cords made of organic fiber cords obtained by twisting together filament bundles of organic fibers. The car...
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WO/2021/094961A1 |
Motorcycle wheel tyre (1), comprising a carcass structure (2), a belt structure (6) arranged in a radially outer position with respect to the carcass structure (2) and a tread band (8) arranged in a radially outer position with respect t...
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WO/2021/095357A1 |
Provided is a pneumatic tire achieving both high-speed durability and shock-burst resistance, and also having low-noise properties. A carcass layer 13 is constituted by carcass cords composed from organic fiber cords obtained by twisting...
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WO/2021/094688A1 |
The subject of the present invention is a tyre (1) for a construction plant vehicle exhibiting a satisfactory compromise between the breaking strength of its circumferential hoop reinforcement (7), having an axial width LF and comprising...
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WO/2021/090300A1 |
A tire (10, for rotation about an axis of rotation (12) has a first wall portion (14) having a partially conical form, and a second wall portion (16) integrally formed and interconnected with the first wall portion at a transition region...
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WO/2021/090710A1 |
Provided is a pneumatic tire that can suppress deformation of the tire due to a change in internal pressure, suppress local deformation in the vicinity of a bead portion, and reduce rolling resistance. A carcass line, when 10% of a regul...
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WO/2021/085386A1 |
A belt layer 7 comprises at least one belt ply 7A. The belt ply 7A comprises: single wire cords 9, which have a short diameter SD and a long diameter LD with the ratio SD/LD of the short diameter SD to the long diameter LD being less tha...
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WO/2021/085385A1 |
A belt layer 7 includes at least one belt ply 7A. The belt ply 7A has a short diameter SD and a long diameter SD, and includes a single-wire cord 9 for which the ratio SD/LD of the short diameter SD and the long diameter LD is less than ...
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WO/2021/079672A1 |
Provided is a tire comprising a belt layer capable of maintaining excellent noise performance, ride comfort performance, and durability performance and improving low fuel consumption performance. Provided is a tire 1 in which a belt la...
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WO/2021/079634A1 |
Provided is a pneumatic tire achieving both steering stability on a dry road surface and shock-burst resistance. At least one carcass layer 13 is provided to span between a pair of bead portions 10 arranged on the inside in the tire radi...
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WO/2021/079708A1 |
Provided is a run-flat tire with improved run-flat durability, reduced rolling resistance, and reduced weight. A first bead filler 6 is disposed on the outer circumferential side of a bead core 5. A second bead filler 7 is disposed along...
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WO/2021/079673A1 |
Provided is a tire having a belt layer that can improve fuel efficiency while maintaining good performance in terms of noise, ride comfort, and durability. A tire 1 has a belt layer 7 disposed inside a tread part 2. The belt layer 7 in...
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WO/2021/079066A1 |
The invention relates to a tyre (10) for a vehicle, comprising a radially outermost working layer (41) comprising at least one undulation (412) vertically in line with a central rib (251) of the tread (2). The undulation (412) is radiall...
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WO/2021/079051A1 |
The invention relates to a tyre with a radial carcass reinforcement, comprising a crown reinforcement which comprises two working crown layers of crossed metal reinforcement elements. According to the invention, the crown reinforcement f...
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WO/2021/075469A1 |
This pneumatic tire has an ellipticity of 35 to 70%, and in a no-load regular state in which the pneumatic tire has been rim-assembled onto a regular rim and has been filled to a regular internal pressure, when the tire is loaded with a ...
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WO/2021/074511A1 |
A tyre comprising a crown reinforcement, having: - a working reinforcement comprising a single working layer, - a hooping reinforcement arranged radially on the outside of the working layer and comprising at least one hooping wire reinfo...
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WO/2021/074539A1 |
The invention relates to a composite based on: at least one reinforcing element comprising a metal surface; and a rubber composition based on at least one diene elastomer, a reinforcing filler, a crosslinking system, and fibers having a ...
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WO/2021/074533A1 |
The invention relates to a tyre comprising a sealing layer comprising a junction (21) extending in a main direction (D4) forming, with the circumferential direction (Z) of the tyre: - in a portion (15S) of the sealing layer extending axi...
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WO/2021/074510A1 |
The invention concerns a method for manufacturing a tyre comprising a carcass reinforcement comprising a carcass layer and a working reinforcement comprising a single working layer. The method involves forming, around a support, a wound ...
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WO/2021/070582A1 |
Provided is a pneumatic tire with which an improvement in production efficiency can be achieved and the material recycle property can be improved while ensuring stability of the grounding shape of a tire. According to the present inven...
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WO/2021/070580A1 |
A pneumatic tire that achieves both steering stability and ride comfort performance, and can sufficiently improve material recyclability. The pneumatic tire includes: a tire frame member 2 including a bead portion 5, a side wall portio...
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WO/2021/065983A1 |
Provided is a pneumatic tire having improved steering stability, low rolling resistance, wet grip performance, low road noise characteristics, and high-speed durability, these properties being higher than conventional levels. The pneumat...
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WO/2021/065511A1 |
A pneumatic tire (10) that has an outer diameter (OD) of 350–600 mm, a tire width (SW) of 125–255 mm, and an oblateness of 40%–75%. A rim wheel (100) has a rim diameter (RD) of 10–22 inches and a rim width (RW) of 3.8–8 inches....
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