Patent classifications
H01B13/141
MULTICORE CABLE
A multicore cable according to an aspect of the present disclosure includes: a core wire made by stranding a pair of first core electric wires and a wire; and a sheath layer disposed around the core wire. The first core electric wires each include a conductor and an insulating layer covering an outer surface of the conductor. The ratio d2/d1 of an average outer diameter d2 of the wire to an average outer diameter d1 of each first core electric wire is more than 0.5 and less than 2.0.
INSULATED WIRE, COIL, AND ELECTRIC OR ELECTRONIC EQUIPMENT
An insulated wire having a thermosetting resin layer on the outer periphery of a conductor, and a thermoplastic resin layer on the outer periphery of the thermosetting resin layer, wherein a total thickness of the thermosetting resin layer and the thermoplastic resin layer is 100 m or more and 250 m or less, and a degree of orientation of a thermoplastic resin in said thermoplastic resin layer, that is calculated by the following Formula 1, is 20% or more and 90% or less; a coil and an electric and electronic equipment each having the insulated wire.
Degree of orientation H (%)=[(360-W.sub.n)/360]100 Formula 1 W.sub.n: A half width of orientation peak in the azimuth angle intensity distribution curve by X-ray diffraction n; the number of orientation peak at a angle of 0 or more and 360 or less.
INSULATED ELECTRIC CONDUCTOR
In order to increase the adhesion of an insulating coating (2) to an electric conductor (1), preferably of copper or aluminum, an insulated electric conductor comprising an electric conductor (1), preferably made of copper or aluminum, with an insulating coating (2) is proposed according to the invention, wherein the insulating coating (2) either comprises at least one insulating layer (3) made of thermoplastic material, or the insulating layer (3) and a plastic-containing intermediate layer (4, 5), obtainable by a method in which the electric conductor (1) is placed under a protective gas atmosphere and is bombarded with ions of the protective gas in a gas plasma in order to remove an oxide layer formed on a surface of the electric conductor (1) and/or to increase the surface energy of the electric conductor (1), and subsequently either the at least one insulating layer (3) or, in the case that the coating (2) comprises the plastic-containing intermediate layer (4, 5), at least the plastic-containing intermediate layer (4, 5) is applied directly to the surface of the electric conductor (1) under a protective gas atmosphere.
Cable And Method For Production Of A Cable
A cable has an electrically conductive core (4) made of one or more individual conductors and having an insulation surrounding the core (4). The insulation is made from a silicone material. The insulation has at least two separate silicone layers (1, 2). The two layers are formed from different silicone material. The first silicone layer (1) surrounds the core (4). The first silicone layer (1) is designed as an insulation inner layer made from a non-pressurized peroxide-crosslinked silicone material. The second silicone layer is applied to the insulation inner layer. It is an insulation outer layer and is formed from an addition-crosslinked silicone material.
Insulated wire, motor coil, electric/electronic equipment and method of producing insulated wire
An insulated wire containing: at least one thermosetting resin layer; and at least one thermoplastic resin layer, provided in this order on a conductor having a rectangular cross-section, a curvature radius r of corner portions at both edges of at least one short side of the conductor being 0.6 mm or less, in which thickness t1 of the corner portion of the thermosetting resin layer and thickness t2 of the corner portion of the thermoplastic resin layer satisfy a relation expressed by the following Formula 1:
t2/t1<1;Formula 1:
and a method of producing thereof, a motor coil, and an electric/electronic equipment.
High reliability power cables for subsea application
A power cable for an electric submersible pump (ESP) includes an electrical conductor in the power cable; an elastomeric insulation layer around the electrical conductor; a fluoroplastic barrier layer around the elastomeric insulation layer; and a bonding layer between the elastomeric insulation layer and the fluoroplastic barrier layer, the bonding layer formulated to prevent a dielectric breakdown of the power cable and a rapid gas decompression breakdown of the power cable.
High visibility cable
An electrical cable includes a plurality of conductors forming a conductor core, one or more insulation layers at least partially surrounding at least one of the plurality of conductors, an outer jacket surrounding the conductor core and a film applied to the exterior surface of the outer jacket. The film includes high visibility particles. Methods of forming electrical cables are also described herein.
Silicone multilayer insulation for electric cable
A cable has at least one elongated electric conductor and a multilayer insulation surrounding the electric conductor. The multilayer insulation has a first semiconducting layer and an electrically insulating layer. The two layers are made from a silicone rubber based composition. A method for making this cable includes co-extruding the first semiconducting layer and the electrically insulating layer.
Method of manufacture of electrical wire and cable having a reduced coefficient of friction and required pulling force
A process for manufacturing finished wire and cable having reduced coefficient of friction and pulling force during installation, includes providing a payoff reel containing at least one internal conductor wire; supplying the at least one internal conductor wire from the reel to at least one extruder; providing the least one extruder, wherein the at least one extruder applies an insulating material and a polymerized jacket composition over the at least one internal conductor wire, wherein the polymerized jacket composition comprises a predetermined amount by weight of nylon; and at least 3% by weight of a silica providing a cooling device for lowering the temperature of the extruded insulating material and the polymerized jacket composition and cooling the insulating material and the polymerized jacket composition in the cooling device; and, reeling onto a storage reel the finished, cooled, wire and cable for storage and distribution.
Method of producing a cable comprising a multimodal ethylene copolymer
The present invention relates to a cable comprising a conductor surrounded by one or more layers, wherein at least one layer comprises a polymer composition comprising a copolymer of ethylene with one or more comonomers, to a process for producing the cable and to a polymer composition suitable as a cable layer material.