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7285726 |
Subsea power cable
A subsea power cable includes a conductor encompassed by a layer of high voltage insulation material including inner and outer semiconducting layers. The insulated conductor is encompassed by a...
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6436536 |
Electric cable coated with polyolefin and polymer with ester and epoxy groups
A polymeric composition for coating electric cables for power transmission at medium/high voltage, having an improved resistance against the formation of the so-called water trees, comprises a...
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6416860 |
Electric cable and a method and composition for the production thereof
A semiconducting composition for the inner semiconducting layer of an electric cable, an electric cable incorporating the composition, and a method of producing a cross-linked inner semiconducting...
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6402993 |
Low adhesion semi-conductive electrical shields
A low adhesion semiconductive dielectric shield for use with cross-linked polyethylene, ethylene-propylene rubber or ethylene-propylene-diene rubber (EPDM rubber) insulation. The dielectric shield...
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6288339 |
Self-supporting cable
Self-supporting cables include at least one insulated conductor that includes a conductor having at least one wire and an insulation around the cable conductor. The cable further includes at least...
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6284374 |
Strippable semiconductive resin composition and wire and cable
Disclosed are a strippable semiconductive resin composition adapted for formation of a semiconductive layer having a volume resistivity of not more than 5000 Ωcm at room temperature, the co...
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6274239 |
Insulation coating for electric cable containing polyolefin and polymer with ester and epoxy groups
A polymeric composition for coating electric cables for power transmission at medium/high voltage, having an improved resistance against the formation of the so-called water trees, comprises a...
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6245426 |
Electric device with a porous conductor insulation impregnated with a dielectric fluid exhibiting a rheologic transition point
An electric device comprising a conductor and a porous conductor insulation impregnated with a dielectric fluid. Where the dielectric fluid comprises; a polymer; and a hydrocarbon-based fluid.The...
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6159831 |
Process to prepare an array of wires with submicron diameters
A method is disclosed for forming an array of submicron-sized wires in a host body. In the method, the vapor of a metal, such as bismuth, is caused to flow upward through a horizontal refractory...
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6086792 |
Cable semiconducting shields
A semiconducting composition comprising (i) an olefinic polymer and (ii) about 25 to about 45 percent by weight, based on the weight of the composition, of a carbon black having the following...
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6015629 |
Stress control for termination of a high voltage cable
A two-part system for electrical stress control includes a non-tacky conformable stress control material that is positioned at the shield cut edge of a prepared power cable and a stress control...
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5973266 |
Method for altering cable semiconductive layer
A method of altering a portion of the semiconductive layer of an electric power cable, to increase its resistance so as to render it electrically insulative. The semiconductive layer is loaded with...
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5556697 |
Semiconductive power cable shield
Vulcanizable semiconductive shield compositions contain a linear, single-site catalyzed polymer formed by polymerizing ethylene with at least one comonomer selected from C3 to C20 alpha-olefins; a...
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5521331 |
Shielded electric cable
A shielded electric cable having a core including an insulated conductor. A first shielding member formed of an elongated ribbon of insulating material and a pair of elongated metal foil strips...
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5486648 |
Power cable with longitudinal waterblock elements
An electric power cable is provided having concentric neutral wires (CN wires) applied helically over the cable core construction to serve as a metallic ground shield and having a protective...
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5460886 |
DC high-voltage wire
A DC high-voltage wire comprising: a conductor; a resin composition layer coating the conductor, the resin composition layer comprising a polyolefin resin containing carbon black in an amount of...
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5310964 |
Electric and communication cables
A cable comprising a core enclosed in an external sheath of a char-forming low-smoke-and-fume composition is characterized by a tape of flexible mineral material, preferably a woven glass-fiber...
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5274712 |
High resistivity inner shields for audio cables and circuits
In one embodiment of an electrical cable, a high resistivity inner shield surrounds and is insulated from a central conductor within the electrical cable. The inner shield is surrounded by, and...
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5231249 |
Insulated power cable
There is provided an olefin resin composition for power cables which contains an olefin resin and m-(tert-butylperoxyisopropyl)-isopropylbenzene and/or...
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5216204 |
Static dissipative electrical cable
A static dissipative electrical cable which eliminates the build-up of triboelectric charging by having a carbon loaded outer jacket which is a semiconductor for draining off triboelectric charges....
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5171938 |
Electromagnetic wave fault prevention cable
A shield wire comprising: a conductor, an insulation layer provided around an outer periphery of the conductor; an electrically-conductive resin layer provided around an outer periphery of the...
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5132491 |
Shielded jacketed coaxial cable
A jacketed coaxial cable including two or more metal shielding layers, including semiconductive polymer coated tape layers surrounding the drain wires, insulation, and center conductor thereof, the...
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5037999 |
Conductively-jacketed coaxial cable
A conductively jacketed coaxial cable which provides continuous electrical contact from a drain wire through a metal-coated tape wrapped shield, a semiconductive adhesive layer applied to the tape...
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5010209 |
Power cable with water swellable agents and elongated metal elements outside cable insulation
A high voltage electrical power cable with a stranded central conductor encircled by insulation, a metal tape, metal strips or metal wires following helical paths outwardly of the insulation and a...
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5006670 |
Electric power cable
In a single core or multi-core electric power cable, the dielectric screen of the or each cable core is surrounded by a moisture barrier consisting of a composite tape comprising a carrier layer of...
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4986372 |
Electrical cable with spirally wrapped wires
An electric cable with spirally wrapped wires and wire-retaining strips thereon. The cable includes an insulated electrical conductor, an extruded semiconductive insulation shield overlying the...
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4963695 |
Power cable with metallic shielding tape and water swellable powder
A high voltage electrical power cable with a longitudinally folded, smooth or corrugated, metal strip around a plurality of layers around the conductor and a water swellable material at least at...
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4894284 |
Cross-linked polyethylene-insulated cable
A cable insulated with a cross-linked polyethylene layer is described, wherein the cross-linked polyethylene is prepared by cross-linking with 2,5-dimethyl-2-5-di(tert-butylperoxy)hexane or...
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4810835 |
Flame-resistant electric line
The invention relates to a flame-resistant electric line having a conductor (1) which is surrounded by an insulation (2) over which there is a shielding (3). A ribbon (4) consisting of a glass...
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4801766 |
Crosslinked polyolefin insulated power cable
A crosslinked polyolefin insulated power cable with remarkably improved AC breakdown voltage and impulse withstand voltage has been obtained by a process which comprises extrusion-coating, on the...
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4785138 |
Electric cable for use as phase winding for linear motors
An electric cable to be used as phase winding of a three-phase alternating current winding for linear motors. The cable has a compacted, soft-annealed stranded conductor (5) on which a conductive...
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4776665 |
Metal-free, self-bearing optical cable for high-tension overhead lines
A metal free self-bearing optical cable is provided for use as an overhead cable in the field region between phase wires of a high-tension power line. The cable core is formed of slightly...
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4767894 |
Laminated insulated cable having strippable layers
A laminated construction comprising at least three extruded layers of polymer-based material in which an intermediate layer (4) between a first layer (3) and a second layer (5) is strippably bonded...
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4705647 |
Copper-type conductive coating composition
A copper-type conductive coating composition which comprises: (A) a copper powder with hydrogen loss of at most 0.2% by weight or a copper powder with its oxidized surface layer removed by...
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4703132 |
Filling compound for multi-wire conductor of an electrical cable and cables including such compound
A water migration resisting filler for filling the interstices of a stranded conductor, an electrical power transmission cable including such filler and a method of making such cable. The filler...
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4687882 |
Surge attenuating cable
In a shielded power cable of the type comprising inner and outer conductors separated by cable insulation defining a displacement current path between the conductors for high frequency currents,...
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4684766 |
High voltage cable assembly having reduced stray capacitance
A high voltage power cable assembly for applying rectangular high voltage pulses to an X-ray tube of an X-ray diagnostic apparatus, including two conducting lines formed of a plurality of stranded...
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4626618 |
DC electric power cable
A DC power cable includes a conductor and an insulation of a thermoplastic resin formed around the conductor. The insulation contains carbon black in an amount of about 0.2 to about 5% of the total...
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4533789 |
High voltage electric power cable with thermal expansion accommodation
The insulation shield in a power cable having thick polymeric insulation is constructed of a metallic layer radially spaced from but in electrical communication with an inner semiconducting layer...
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4487996 |
Shielded electrical cable
An electrical coaxial cable is disclosed herein including an inner conductor and a concentric outer conductor electrically insulated from one another by means of a layer of dielectric material...
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4486252 |
Method for making a low noise cable
A low mechanical noise coaxial cable for suppressing noise due to mechanical movement of the cable wherein the cable includes a central conductor, a dielectric surrounding the conductor, electrical...
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4469539 |
Process for continuous production of a multilayer electric cable
An improved multilayer electric cable is disclosed having a conductive core, an extruded strand shield (ESS) layer, an insulating layer of polymeric insulation material surrounding the core and...
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4456785 |
Shielded cable and method of manufacture thereof
A shielded cable is provided having good electrical properties and which may be easily terminated. The cable includes an insulated conductor which is encased within a thermoplastic tape, a...
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4412938 |
Semiconducting resin compositions
A semiconducting resin composition comprises: (A) 100 to 40 parts of a modified ethylene-vinyl acetate copolymer prepared by graft processing of 100 parts of an ethylene-vinyl acetate copolymer of...
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4374299 |
Triboelectric transducer cable
Two embodiments of a triboelectric transducer cable for generating a signal in response to movement or deformation of the cable each include multiple insulated central conductors, a semi-conductive...
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4361723 |
Insulated high voltage cables
There is provided an insulated high voltage cable which possesses the property of lower dielectric losses than prior art cables. The cable comprises a conductor insulated with at least two laminar...
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4360706 |
Electric cables of reduced micro-voids in the extruded insulation
A product by process for reducing micro-voids in cross-linked cable insulation without reducing the voltage breakdown strength thereof in which process the insulation, after cross-linking, is...
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4342880 |
Electric cable for medium voltage
This invention refers to a medium voltage electric cable (up to about 45 kV) comprising one or more cores, each of said cores being constituted by a conductor covered with an inner semiconductive...
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4284841 |
Cable
Electrical conductors having suitable combinations of coatings and coverings are disclosed which have the ability to inhibit low molecular weight hydrocarbon well fluids when under pressure and...
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4225749 |
Sealed power cable
Sealed power cables (e.g. for underground or submarine use) are often equipped with a metal sheath. A problem with some such cables is that their insulation is subject to greater thermal expansion...
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