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JP6872148B2 |
To provide a power cable excellent in insulation characteristics as well as excellent in manufacturability.A power cable includes a conductor and an insulator layer arranged on an outer periphery of the conductor. The conductor includes ...
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JP2021512456A |
The present invention relates to a power cable, particularly an ultra-high voltage power cable of 45 kV or more and 600 kV or less. Specifically, the present invention is environmentally friendly, has excellent heat resistance and mechan...
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JP6868007B2 |
Crosslinkable polymeric compositions comprising (a) 10 to 89 weight percent of an ethylene-based interpolymer having the following properties: (i) a density of 0.93 g/cm3 or less, (ii) a high-shear viscosity (V100) at 190 C and 10% strai...
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JP6859322B2 |
Provided is a power transmission cable enabling excellent cable end preparation. The power transmission cable 1 is provided with a conductor 10, an insulating layer 12 provided to the outer periphery of the conductor 10, and an externa...
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JP6859321B2 |
Provided is a power transmission cable enabling excellent cable end preparation. The power transmission cable 1 is provided with a conductor 10, an insulating layer 12 provided to the outer periphery of the conductor 10, and an externa...
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JP6857621B2 |
The process for making extra high voltage cable insulation is improved by using a composition comprising in weight percent based on the weight of the composition: (A) 95 to 99.9% of an ethylene-based polymer; (B) 0.2 to 2.5% peroxide; (C...
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JP2021052019A |
To provide improvement of an electricity transmission cable with a mass-impregnated paper insulation including, around at least one conductor (1), an impregnated paper layer (2) and a metal layer (3) adjacent to the impregnated paper lay...
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JP6852229B2 |
Provided is an insulating resin composition that allows a reduction in the amount of spatial electric charges accumulated in an insulating layer, whereby dielectric breakdown is less likely to occur. This insulating resin composition 1 c...
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JP6847103B2 |
The invention relates semiconductive polyethylene composition, for use in power cables, with improved processability compared to other available semiconductive polymer compositions. This invention relates to a cable with a layer comprisi...
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JP6845025B2 |
To provide a long-sized filament body or the like capable of suppressing damage due to buckling or the like.A long-sized filament body 1 includes: an interlock pipe 3 that is mainly a pipe body; a resin pipe 7; an inner pressure resistan...
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JP6844963B2 |
To reduce deterioration in insulation performance of an insulation layer.In a power cable 10 having an internal semiconductive layer 40, an insulation layer 50, an external semiconductive layer 60, an external water-absorbing layer 80, a...
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JP2021507011A |
[Abstract] The present invention is polyethylene, which has a total number of B vinyl groups per 1000 carbon atoms, and is B.1 B (in the formula, B1Is 0.30), and at 0.05 rad / sec, the complex viscosity of X Pas (η)*) And X1X X2(In the ...
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JP6816419B2 |
To provide an insulated wire and a cable which are excellent in flame retardancy, mechanical characteristics and wire workability, and prevent generation of toxic gas at the time of combustion.An insulated wire includes a conductor and a...
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JP6804519B6 |
Crosslinkable polymeric compositions comprising (a) 10 to 99 weight percent of an ethylene-based interpolymer having the following properties: (i) a density of 0.93 g/cm3 or less, (ii) a high-shear viscosity (V100) at 190° C. and 10% st...
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JP6816420B2 |
To provide an insulated wire and a cable which are excellent in flame retardancy, mechanical characteristics and wire workability.An insulated wire includes a conductor and an insulating layer provided on the outer periphery of the condu...
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JP2021005558A |
To provide an aluminum wire which has similar conductivity to that of an insulated wire having a copper conductor and prevents an increase in a wire outer diameter.In aluminum wires 1 and 1A in which aluminum conductors 10 and 10A compos...
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JP6811216B2 |
The present invention relates to a peroxide-crosslinkable composition comprising: (A) a peroxide-crosslinkable polyethylene; (B) 0.0005 wt% to 0.03 wt% triallyl cyanurate; (C) one or more antioxidants (AO); and (D) optionally an organic ...
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JP6800362B1 |
To provide a power cable and a method for manufacturing a power cable having good dielectric breakdown strength by reducing the uneven thickness of the insulating layer and the occurrence of voids and peeling due to shrinkage. A power ca...
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JP6800437B1 |
Provide an insulating tape having excellent insulation performance. A plastic tape containing a polyolefin resin and a paper tape bonded to at least one surface of the plastic tape are provided, and the electrical resistivity of the plas...
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JP6795481B2 |
An insulated wire having an electrical wire structure capable of reducing a diameter while a direct-current stability property and a flame-retardant property are highly kept is provided. In the insulated wire including: a conductor; a fl...
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JP6784940B2 |
An electrical conduction path that includes a first conductor; a tubular first insulator that encloses the first conductor; a tubular second conductor that encloses the first insulator, and has shape retainability; a branch conductor tha...
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JP6782258B2 |
An electric power cable and a process for the production of the cable including a metal conductor and an electric insulation system surrounding the conductor coaxially and radially outwards of the conductor having improved electric prope...
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JP6776344B2 |
A wire or cable comprising an insulation layer and a semiconducting shield layer over and in contact with the insulation layer and strippable from the insulation layer, the second semiconducting shield layer made from the composition com...
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JP2020169282A |
To improve water tree resistance.An electric insulation composition contains: a base resin containing 100 pts.mass of the total of 40 pts.mass or more and 90 pts.mass or less of first polyethylene having a density of 0.91 g/cm3 or more a...
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JP6767729B2 |
To provide a cable making it possible to prevent occurrence of noise by efficiently reducing electromagnetic wave to be generated by power line communication.A cable is capable of transmitting electric power, and includes a conductor par...
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JP6761587B2 |
To provide a technology for obtaining high insulation and high fire retardancy in an insulation wire and narrowing diameter.An insulation wire for railway vehicle has a conductor and a coating layer arranged on an outer periphery of the ...
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JP6756692B2 |
An insulated wire having an electrical wire structure capable of reducing an outer diameter while an insulation property and a flame-retardant property are highly kept is provided. In the insulated wire including: a conductor; and a coat...
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JP6754170B2 |
To provide: a power cable that has both electrical insulation performance between wires and water cut-off performance and is therefore usable under a high water pressure environment; and a method for manufacturing the power cable which r...
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JP6745314B2 |
To provide a wire having improved flexibility and low temperature bending properties, and a cable.A wire has a conductor with a cross-sectional area of 180 mmor more and 220 mmor less, an insulator provided to cover the periphery of the ...
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JP6745315B2 |
To provide a wire having improved flexibility and low temperature bending properties, and a cable.A wire has a conductor with a cross-sectional area of 290 mmor more and 360 mmor less, an insulator provided to cover the periphery of the ...
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JP6745313B2 |
To provide a wire having improved flexibility and low temperature bending properties, and a cable.A wire has a conductor with a cross-sectional area of 135 mmor more and 165 mmor less, an insulator provided to cover the periphery of the ...
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JP6745312B2 |
To provide a wire having improved flexibility and low temperature bending properties, and a cable.A wire has a conductor with a cross-sectional area of 225 mmor more and 275 mmor less, an insulator provided to cover the periphery of the ...
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JP2020127279A |
To provide an annular spacer used for a power cable for suppressing overheat in a state where a plurality of power cables overlap with each other, and a power cable.An annular spacer is wound about an outer peripheral surface of a power ...
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JP6734243B2 |
To provide a flame-retardant anti-termite composition which is excellent in flame retardancy, anti-termite properties, cold resistance and extrusion processability and allows a power cable to be inexpensively manufactured, and to provide...
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JP3226872U |
To provide a 2-in-1 type charging cable and a charger capable of charging many devices with only one charging cable. A 2-in-1 type charging cable includes a charging plug for two types of electric devices, a DC charging plug 11 and a new...
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JP6719511B2 |
Provided is a polypropylene resin for an insulation layer of a power cable, which has excellent flexibility, heat distortion and low-temperature impact resistance and a high insulation breakdown strength to be suitably used for an insula...
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JP2020518971A |
The present invention relates to a DC power cable. Specifically, the present invention can simultaneously prevent a decrease in DC dielectric strength and a decrease in impulse fracture strength due to the accumulation of space charge, a...
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JP2020518108A |
The present invention relates to an ultrahigh voltage DC power cable. Specifically, the present invention relates to an ultra-high pressure DC power cable capable of simultaneously preventing or minimizing electric field distortion due t...
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JP2020517061A |
The present invention relates to a DC power cable. Specifically, the present invention can simultaneously prevent a decrease in DC dielectric strength and a decrease in impulse fracture strength due to the accumulation of space charge, a...
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JP2020087692A |
To provide a cable capable of achieving both flexibility and water shieldability with a simple structure.There is provided a cable 1 comprising a conductor 2 having flexibility and conductivity, an insulator 4 having flexibility and insu...
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JP6700603B2 |
To provide a connection of a power cable which can achieve improvement of sealability and miniaturization of bushing.A terminal connection of a power cable includes: a cable end exposed by performing stepwise peeling of a conductor and a...
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JP6688002B2 |
To provide a power supply cable for fixed wiring produced by fully considering the flexibility thereof in installation, and capable of more easily performing installation work than conventional cables.A power supply cable 100 for fixed w...
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JP6684268B2 |
An electrically conductive wire for deep water transmission includes a first wire portion and a second wire portion. The first wire portion makes up one end of the wire, and is formed from a first metal. The second wire portion is formed...
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JP6666422B2 |
A method of building an insulation system around a naked conductor section of a power cable. The insulation system includes an inner semiconducting layer arranged around the conductor, an insulation layer arranged around the inner semico...
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JP6660880B2 |
The present invention relates to polymer composition comprising a polyolefin, peroxide and a sulphur containing antioxidant, wherein said peroxide is present in an amount which corresponds toXmmol -O-O-/kg polymer composition and said su...
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JP6660881B2 |
The present invention relates to a crosslinked polymer composition, which is obtained by crosslinking a polymer composition, which polymer composition has a melt flow rate (MFR) of at least 1.7 and comprises a polyolefin, peroxide and su...
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JP6662004B2 |
The invention provides a power transmission cable. The power transmission cable is extremely flexible, and even if the power transmission cable is bent repeatedly, the shielding layer is hard to break. The power transmission cable compri...
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JP2020035700A |
To provide a power cable excellent in construction workability, and capable of preventing unexpected movement such as sliding down in use.A power cable includes a conductor, an insulator formed on the outer periphery of the conductor, an...
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JP6659829B2 |
The present invention relates to a power transmission cable (10; 20; 30) and a process for the production of the cable, which comprises a metal conductor (1; 21; 31), an electric insulation system (2; 22; 32) and a protection system surr...
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JP6655475B2 |
To provide a power cable that has excellent productivity and handling property and is difficult to be collapsed by a lateral pressure and a spacer member used therefor.A spacer member 29 is provided with an opening part 31 along a longit...
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