Abstract: An assembly having a tube and at least one optical cable with the optical cable being placed inside the tube. The tube has an inner diameter D and in that the optical cable has an outer diameter d, the ratio d/D ranging from 0.10 to 0.80.

Abstract: Energy and a control signal may be provided using a coupled power and control cable. The coupled power and control cable may comprise a power cable, a control cable, and an overall jacket. The power cable may be connected between a switch and a fixture and may provide energy to the fixture from the switch. The control cable may be connected between the control circuit and the fixture and may provide the control signal to the fixture from the control circuit. The power cable and the control cable may be disposed beneath the overall jacket.

Abstract: Embodiments of the invention provide a hollow cable for conveying radiofrequency and/or microwave frequency energy to an electrosurgical instrument that can fit within, e.g. slide relative to, the hollow cable. The hollow cable provides a bipolar electrical connection to the electrosurgical instrument that is maintained when the electrosurgical instrument is rotated relative to the hollow cable. The cable may comprise a hollow coaxial transmission line having a rotatable component mounted at its distal end. The rotatable component comprises a longitudinal passageway continuous with the hollow coaxial transmission line. The rotatable component is rotatable relative to the transmission line and comprises a first and second conductive portions that are respectively electrically connected to first and second terminals on the coaxial transmission line and which are configured to maintain an electrical connection with their respective terminal when rotated relative to the coaxial transmission line.

Abstract: Provided is a power cable, and more particularly, to an ultra-high-voltage underground or submarine cable. In detail, the present invention relates to a power cable which is capable of effectively preventing a decrease in dielectric strength due to penetration of copper powder from a copper conductor into an insulating layer, thereby increasing the lifespan thereof, is capable of preventing damage to insulating paper, semiconductor paper, etc. even when repeatedly bent and unfolded, thereby maintaining an interlayer structure formed by winding the insulating paper, the semiconductor paper, etc., and is capable of improving bendability, flexibility, installability, workability, etc.

Abstract: A coaxial cable according to the present disclosure is characterized by including a metal layer (5), inside an outer conductor (8), being bonded to the outer conductor (8) by means of an adhesive (6) in such a manner that the metal layer (5) is in contact with a part of the outer conductor (8).

Abstract: An electrical cable having a plurality of conductors including a grounding conductor and at least one power-carrying conductor. The plurality of conductors disposed approximately in parallel within an outer jacket such that the electrical cable has a substantially elongated horizontal cross-section.

Abstract: An insulated electrical cable includes: a conductor; and an insulating layer that is laminated on an outer peripheral surface of the conductor and includes a polyimide as a main component, wherein the insulating layer includes a plurality of pores, and wherein a porosity of the insulating layer is greater than or equal to 25% by volume and less than or equal to 60% by volume.

Abstract: A ribbon cable can include a plurality of spaced apart substantially parallel conductor sets. The conductor set includes a plurality of spaced apart substantially parallel conductors extending along a length of the conductor set and arranged along a width of the conductor set; first and second non-conductive structured layers disposed on opposite sides of and substantially coextensive with the plurality of conductors along the length and width of the conductor set; and a conductive shielding layer wrapped around the first and second non-conductive structured layers. Each structured layer is adhered to the conductors and includes a plurality of higher dielectric constant regions defining a plurality of lower dielectric constant regions therebetween.

Abstract: A high frequency signal transmission cable includes a conductor, an insulator provided over a periphery of the conductor, a plating layer provided over a periphery of the insulator, and a sheath provided over a periphery of the plating layer. A crack suppressing layer is provided between the insulator and the plating layer, in such a manner as to remain in contact with the insulator while being provided with the plating layer over an outer surface of the crack suppressing layer. The crack suppressing layer suppresses the occurrence of a cracking in the plating layer by bending while moving in a longitudinal direction of the cable relative to a bending of the insulator.

Abstract: An insulated wire having an electrical wire structure capable of reducing an outer diameter while an insulating property and a flame-retardant property are highly kept is provided. In the insulated wire including: a conductor; and a coating layer arranged on an outer periphery of the conductor, the insulated wire has a flame-retardant property that allows the insulated wire to pass a vertical tray flame test (VTFT) on the basis of EN 50266-2-4, has a direct-current stability that allows the insulated wire to pass a direct-current stability test in conformity to EN 50305.6.7, has a diameter of the conductor that is equal to or smaller than 1.25 mm, and has a thickness of the coating layer that is smaller than 0.6 mm.

Abstract: A power supply apparatus includes a battery cell, a voltage conversion circuit connected to the battery cell, a first housing that fixes the battery cell in a manner to enable heat transfer, a second housing that fixes the voltage conversion circuit in a manner to enable heat transfer, and a low thermal conductive layer interposed between mating surfaces of the first housing and the second housing having a thermal conductivity smaller than a thermal conductivity of the first housing. The battery cell and the voltage conversion circuit are accommodated in an internal space formed by the first housing and the second housing.

Abstract: An electrical ribbon cable includes at least one conductor set having at least two elongated conductors extending from end-to-end of the cable. Each of the conductors are encompassed along a length of the cable by respective first dielectrics. A first and second film extend from end-to-end of the cable and are disposed on opposite sides of the cable The conductors are fixably coupled to the first and second films such that a consistent spacing is maintained between the first dielectrics of the conductors of each conductor set along the length of the cable. A second dielectric disposed within the spacing between the first dielectrics of the wires of each conductor set.

Abstract: A flex flat cable (FFC) structure includes metallic transmission wires arranged in parallel, first insulating jackets, and second insulating jacket. The metallic transmission wires includes one or more power wires and signal wires. The power wire is configured to transmit power. The signal wires are configured to transmit a data signal. Each of first insulating jackets encloses one of metallic transmission wires. The second insulating jacket surrounds the first insulating jackets. An embossment pattern is arranged on an external surface of the second insulating jacket. The embossment pattern includes meander lines in a top-view direction and in an extending direction for the metallic transmission wires. The meander lines are not arranged parallel.

Abstract: The present invention discloses a flat cable, which comprises signal unit sets and the insulating layer which wraps and fixes the signal unit set. The signal unit set is formed by at least two signals units arranged substantially on the same plane at an interval or side by side. The left and right sides of the signal unit set are directly wrapped by insulating layers. The insulating layer is formed by splicing and bonding at least one insulating film, and the splicing points at two ends of the insulating film are located on the upper side or the lower side of the signal unit set. In the flat cable of the present invention, the length of the overlapping portion can be set as required, effectively preventing the phenomenon such as insulating film tear and short circuit caused by insulating film tear.

Abstract: Provided is an optical-electrical composite cable in which, even if the entire optical-electrical composite cable having an optical fiber routed along flexible flat wiring boards is made thin, the optical fiber is not deformed or damaged by a large bending stress. A pair of the flexible flat wiring boards are disposed on a front surface side and a rear surface side of the optical fiber, and a covering member integrates the entirety thereof. Thus, even if the optical-electrical composite cable is made thin, the cable is not bent with a large curvature without deformation of the optical fiber.

Abstract: A heat-resistant flexible electric cable (1) includes a coating layer (3) having a phase-separated structure including a continuous phase (11) formed with a non-crosslink structured resin having a melting point of 200° C. or more, and a dispersed phase (12) formed with a thermoplastic elastomer having a melting point of 200° C. or less. Further, the heat-resistant flexible electric cable includes an electric conductor 2 coated with the above-mentioned coating layer. Further, an average aspect ratio of the dispersed phase is 10 or less. Further, a wire harness includes the heat-resistant flexible electric cable.

Abstract: The present invention is a photochromic eyewear lens product comprising photochromics material(s) and selective filtering agent(s) that selectively attenuate a portion of the blue light spectral region between 400 nm and 500 nm. The selective attenuation preferably comprises a maximum reduction in transmittance in the filtered region of about 10-25% T relative to at least one adjacent spectral region when the lens product is in the rest state, and a maximum reduction in transmittance that is measurably less than the transmittance of at least one adjacent region of the visible spectrum when the lens product has darkened in the activated state.

Abstract: A compound having the structural formula R1CO2? R2CO2? Zn2+ used as a reaction accelerator for the copolymerization of a mixture of a carboxylic acid anhydride and an oxirane, wherein R1 and R2 are a straight-chained or branched alkyl group independently of each other.

Abstract: An epoxy composition that includes an epoxy-terminated prepolymer, an alkanolamine hardener having at least one hydroxyl group and an organometallic compound, where amine groups of the alkanolamine hardener react with epoxy groups of the epoxy-terminated prepolymer in a stoichiometric ratio to form a cured epoxy composition. The epoxy-terminated prepolymer is formed from a reaction product of an amine terminated polymeric polyol and a molar excess of epoxy groups in an epoxy monomer, relative to a molar amount of amine groups in the amine terminated polymeric polyol.

Abstract: A cable comprising that includes an elongated conductor operable to transmit electrical energy at medium or high AC voltages. The conductor has a core including a first plurality of wires of a first conductive material, and an outer layer surrounding the core including a second plurality of wires of a second conductive material. The first conductive material has a deeper characteristic skin depth than the second conductive material. The total cross sectional area of the first and second plurality of wires is at least about 2500 kcmil.

Abstract: Representative implementations of devices and techniques provide a tape adhesion test system. The test system applies a pulling force to an outer layer of tape adhered to an inner layer of tape through an adhesive bond, while the inner layer of tape is secured to a portion of the test system. The pulling force is measured when the adhesive bond between the outer layer of tape and the inner layer of tape breaks.

Abstract: A high voltage shielding device including a main body having an enclosing outer solid insulating wall, an outer electrode arranged on the solid insulating wall providing a first level of insulation to the outer electrode, and a first inner electrode which is uninsulated or has a coating providing a second level of insulation, which second level of insulation is lower than the first level of insulation. The first inner electrode is oriented relative the outer electrode in such a way that the first inner electrode mainly shields a component of an electric field which is perpendicular to a component of an electric field mainly shielded by the outer electrode.

Abstract: A method of wrapping a plurality of mandrels with a composite material can include rotating each mandrel at a rotational speed; translating each mandrel at a translation speed; positioning each mandrel back to back such that an aft face of a preceding mandrel is approximate to a forward face of a trailing mandrel; and sequentially wrapping each mandrel with the composite material in a helical orientation.

Abstract: A method is provided for producing an electrical insulation paper having a particle composite. The method involves mixing a dispersion of particles in platelet form, a carrier fluid and a functionalizing agent which is distributed in the carrier fluid and has a proportion by mass in the dispersion corresponding to a predetermined mass ratio based on the proportion by mass of the particles. The dispersion is sedimented, such that the particles in platelet form are arranged in essentially plane-parallel layers in the sediment. The carrier fluid is removed from the sediment. Energy is introduced into the sediment to overcome the activation energy of that chemical reaction of the functionalizing agent with the particles which forms the particle composite from the sediment with coupling of the particles via the functionalizing agent. The mass ratio is predetermined such that the particle composite has a porous structure. The insulation paper is thereby produced.

Abstract: Method for jacketing elongate material such as more particularly leads or cable looms, where an adhesive tape comprising a carrier, more particularly textile carrier with a curative composition applied to its top side and a reactive composition to its bottom side, is passed in a helical line around the elongate material, or the elongate material is wrapped in the axial direction by the adhesive tape in such a way that the curative composition and the reactive composition come into contact, the elongate material together with the adhesive tape wrapping is brought into the desired disposition, more particularly into the cable loom layout, the elongate material is held in this disposition, the curative composition reacts with the reactive composition, to produce a curing layer of composition.

Abstract: An electric wire with a terminal may include an insulated electric wire that may include an insulating coating of polyolefin based resin, an adhesive layer that may be formed over an entire circumference of a surface of the insulating coating, and a waterproofing resin portion that may be formed by insert molding. The waterproofing resin portion may cover a region between the adhesive layer of the insulated electric wire and a portion where the metal terminal is connected to a core wire. The adhesive layer may include a composition of a copolymer of ethylene and glycidyl methacrylate and a phenol based curing agent. The waterproofing resin portion may include aromatic nylon.

Abstract: A lead wire for a stationary induction apparatus includes a conductor, a covering insulating layer provided on an outer periphery of the conductor, and an insulating sheet provided on the covering insulating layer. The insulating sheet includes base paper having a prescribed width, and insulating spacers disposed to protrude from the base paper at prescribed spacings in a longitudinal direction of the base paper. The insulating sheet is spirally wound continuously from a straight portion to a curved portion such that the insulating spacers come into contact with the covering insulating layer.

Abstract: A non-destructive test method for evaluating a synthetic rope made of strength member elements includes: treating at least one strength member element to be detectable by a magnetic NDT device, incorporating the at least one treated strength member element into the rope, scanning the synthetic rope with the magnetic NDT device, and obtaining magnetic flux leakage or eddy current output data from the magnetic NDT device, wherein the output data relates to a condition of the synthetic rope. A synthetic rope or cable is thereby made to be capable of being inspected by a magnetic flux leakage or eddy current non-destructive test (NDT) method.

Abstract: Method of applying a field grading layer to a power cable is disclosed. The method comprises compounding a polymer composition comprising a polymer matrix material, at least one non-linear conductive organic filler, and at least one crosslinking agent, extruding the compounded polymer composition into a crosslinkable field grading tape, winding the crosslinkable field grading tape onto a section of power cable in need of field grading curing and crosslinking the crosslinkable tape to obtain a field grading layer.

Abstract: The present invention relates to lead-free, halogen-free, and antimony-free cables containing insulations made of (a) a polyolefin; (b) a maleic anhydride modified polyolefin; (c) a butadiene-styrene copolymer; (d) a non-halogen flame retardant; and (e) a silane compound. The cable contains a fire retardant tape between the conductor and the insulation when the insulation thickness is greater than about 75 mils for a 1/0 AWG cable.

Abstract: A method for producing tape for an electrical insulation system, including the following steps: providing a porous insulation paper; providing a resin that has nano-scale particles suspended therein; saturating the insulation paper with the resin such that the resin and particles become dispersed in the insulation paper; and finishing the tape.

Abstract: A cable comprising hybrid carbon nanotube (CNT) shielding includes at least one conducting wire; at least one insulating layer covering at least one of the at least one conducting wire; a metallic foil component configured for lower frequency shielding function; and a CNT tape component configured for higher frequency shielding function.

Abstract: A composite coating includes a first layer, a second layer, and a fluoropolymer film disposed on the second layer. The first layer includes a polymer matrix with mica particles dispersed throughout, while the second layer includes a polyether ether ketone (PEEK).

Abstract: A method for producing an electrical insulation system of a conductor of a winding head of an electric machine is provided. The method includes applying a porous main insulation paper to the conductor of the electrical machine; applying a porous overhang corona shielding paper to the main insulation paper, as a result of which an insulation blank of the insulation system is formed; impregnating the insulation blank with a base resin, wherein the overhang corona shielding paper and the main insulation paper have a porosity such that the insulation blank is impregnated by the base resin to form a homogeneous base resin matrix; and completing the insulation system by curing the base resin.

Abstract: Cable foil tape having random or pseudo-random patterns or long pattern lengths of discontinuous metallic shapes and a method for manufacturing such patterned foil tape are provided. In some embodiments, a laser ablation system is used to selectively remove regions or paths in a metallic layer of a foil tape to produce random distributions of randomized shapes, or pseudo-random patterns or long pattern lengths of discontinuous shapes in the metal layer. In some embodiments, the foil tape is double-sided, having a metallic layer on each side of the foil tape, and the laser ablation system is capable of ablating nonconductive pathways into the metallic layer on both sides of the foil tape.

Abstract: A structure of mounting a current sensor to a battery cable includes a battery cable, a thermal fusion bonding tape wound around an outer circumference of the battery cable, and a current sensor. The current sensor includes a housing including a current detecting part configured to detect a current flowing through the battery cable, and a holder configured to hold and compress a thermal fusion bonding tape mounting portion in cooperation with the housing to deform a cross-sectional shape of the thermal fusion bonding tape mounting portion into an elliptical shape. The thermal fusion bonding tape mounting portion is a portion where the thermal fusion bonding tape is wound around the battery cable. Upon a compression between the housing and the holder being released, the elliptical shape of the cross-sectional shape of the thermal fusion bonding tape mounting portion is maintained.

Abstract: A method and apparatus for a tray, a folding section connected to the tray, and a tape application system. The tray has a channel for receiving an elongate insert for a composite material with a number of layers for a release system. The folding section is capable of folding a number of layers around the elongate insert to cover the elongate insert as the elongate insert is moved through the folding unit. The tape application system is capable of applying a tape to the number of layers for covering the elongate insert to form the release system.

Abstract: A wrap-around cable sleeve assembly for environmentally sealing a cable section includes a wrap-around sleeve and a cable mastic patch. The wrap-around sleeve has a longitudinally extending portion and opposed first and second longitudinal edges. The longitudinally extending portion defines a portion of a cable chamber extending around the cable section when the wrap-around sleeve is wrapped around the cable section. The cable mastic patch is disposed on an interior surface of the longitudinally extending portion and extends transversely across the longitudinally extending portion. The cable mastic patch is configured and positioned to engage the cable section and form a continuous environmental circumferential seal about the cable section when the wrap-around sleeve is wrapped around the cable section.

Abstract: A composite insulating tape (20) comprises a laminate or co-extrusion of at least two layers, including an insulating first layer (24) of a polymer matrix in which mica particles are dispersed and a second layer (26) of a polymer containing aromatic and/or heterocyclic rings and having a melting point of at least 350° C. and a glass transition temperature of at least 150° C. The tape can be used to form a multilayer coating on a conductor (10) such as an electric wire. An outer protective layer (28) of a fluoropolymer such as PTFE may be applied around the wrapped tape, by wrapping or extrusion.

Abstract: A wrapped stator coil for use in a generator. The wrapped stator coil includes an electrical conductor bar, a laminate tape structure, and a conductive structure. The laminate tape structure is disposed about the electrical conductor bar and includes an insulative first layer adjacent the conductor bar and a conductive second layer bonded to the first layer. The conductive structure includes a first end portion, an intermediate portion and a second end portion. The first end portion is in contact with the electrical conductor bar. The intermediate portion is in contact with the conductive second layer and is not in contact with the electrical conductor bar. The insulating layer is disposed about the conductive structure and the laminate tape.

Abstract: A covered cable assembly includes a cable and a sealing assembly. The cable includes a metal sheath and a cable core. The metal sheath has a sheath terminal edge defining a sheath opening. The cable core extends through the metal sheath. The cable core includes an electrical conductor and an oil-impregnated paper insulation layer surrounding the electrical conductor. An extended cable core section of the cable core extends through the sheath opening and beyond the sheath terminal edge. The sealing assembly includes an oil barrier tube, a sealing mastic and a pressure retention tape. The oil barrier tube surrounds the extended cable core section. The sealing mastic surrounds the cable about the sheath terminal edge and overlaps portions of the metal sheath and the oil barrier tube adjacent the sheath terminal edge to effect an oil barrier seal between the metal sheath and the cable core at the sheath opening. The pressure retention tape surrounds the sealing mastic to limit displacement of the sealing mastic.

Abstract: A method and apparatus for a tray, a folding section connected to the tray, and a tape application system. The tray has a channel for receiving an elongate insert for a composite material with a number of layers for a release system. The folding section is capable of folding a number of layers around the elongate insert to cover the elongate insert as the elongate insert is moved through the folding unit. The tape application system is capable of applying a tape to the number of layers for covering the elongate insert to form the release system.

Abstract: Embodiments of the present invention include a cable for connecting a downhole electrical submersible pump assembly to a control station the cable comprising a plurality of leads disposed in the cable, the plurality of leads disposed in a position that is substantially parallel to each of the other leads, each of the leads being separated by a distance, and each of the leads adapted to carry three phase electrical power to the electrical submersible pump; a plurality of insulated spacers disposed in between each of the leads, the insulated spacers having a width; the insulated spacers having a cross-section that is substantially shaped like an hourglass; and a plurality of optical fibers disposed substantially in the center of each of the spacers, the optical fibers adapted to sense the conditions of the well and electrical pump assembly, the fiber producing an optical signal for receipt by a downhole control circuit positioned near the motor.

Abstract: A system and method of repairing a pipe including securing a reinforcing material, such as a dry fiber structure (e.g., a carbon fibers) to the surface of the pipe. A polymeric material is placed on top of the reinforcing material, self-penetrating the dry fiber structure. The polymeric material substantially saturates the reinforcing material and cures to form a reinforced polymeric composite which may increase or restore the pressure rating or operating pressure capacity of the pipe. Optionally, an outer containment component, such as a sleeve, shell, box, wall, outer pipe, and so on, may be installed around the reinforcing material prior to introduction of the polymeric material. In this case, the polymeric material may be placed (i.e., poured) into the interior of the containment component on top of the reinforcing material.

Abstract: An apparatus for making a carbon nanotube composite structure includes a supply unit, a wrapping unit, and a collecting unit. The supply unit is configured to supply a linear structure. The wrapping unit includes a drive mechanism, a hollow rotating shaft, and a face plate. The drive mechanism is mounted on a first end of the hollow rotating shaft to drive the hollow rotating shaft. The face plate is fixed on a second end of the hollow rotating shaft and loads a carbon nanotube array with a growing substrate. The carbon nanotube array forms a carbon nanotube structure. The wrapping unit winds the carbon nanotube structure around the linear structure. The collecting unit pulls the linear structure and collects the carbon nanotube composite wire structure.

Abstract: A carbon nanotube composite wire structure includes a conductive thread structure and a carbon nanotube layer. The carbon nanotube layer can be wrapped around the conductive thread structure from one end of the conductive thread structure to the other end of the conductive thread structure. The carbon nanotube layer is a consecutive layer structure and comprises of a plurality of carbon nanotubes. A method for making the above mentioned carbon nanotube composite wire structure is also provided.

Abstract: A flexible circuit comprises a folded dielectric sheet having conductive patterns on its surface(s) to which microelectronic device(s) are attached. The dielectric sheet is folded 180° about a selected axis and a bond layer joins the two halves over a portion of their respective surface areas so that a remaining portion of their areas remain unbonded and a bifurcated structure is thereby formed. Electrical contacts are provided on the unbonded or bifurcated portions of the flexible sheets. The flex may be attached to a rigid frame and provided with protective heat spreading covers. The folded flex design is particularly suitable for reel-to-reel manufacturing.

Abstract: At least one guide roller is provided for guiding a moving cable or conduit. At least one tamping device comprising at least one tamping pad is provided for applying at least one label onto the moving cable or conduit. A guide shoe assembly comprising at least one guide shoe is provided for pressing the at least one label directly against at least one side of the moving cable or conduit. A method for applying labels is also provided. A method comprising guiding a cable or conduit to a labeling unit with a set of guide rollers, affixing a label to the cable or conduit with at least one tamping device, and pressing the label against at least one side of the cable or conduit using at least one guide shoe.

Abstract: The invention is applied to an electric device comprising a reel (10), whose central hub (11) carries end flanges (12, 13); a coil winding (20); and an outer lamination stack (30). The insulating process comprises the steps of: providing an electric insulating means (40) having at least one electric insulating tape (40a), self-adhesive on at least one face and presenting two retention portions (41, 42), each to be adhered to one of the inner or outer faces (12a, 13a, 12b, 13b) of a respective end flange (12, 13); and a covering portion (43) to cover the whole axial extension of the coil winding (20) regions confronting with an adjacent portion of the lamination stack (30); adhering each of the retention portions (41, 42) to an end flange (12, 13) of the reel (10); and adhering, subsequently to the formation of the coil winding (20), the covering portion (43) on the axial extension of the latter.

Abstract: An applicator is disclosed for applying a tubular conductor cover to a cable, the conductor cover being split longitudinally to define a first longitudinal edge and a second longitudinal edge, the applicator comprising: a head having a separator shaped to contact, in operation of the applicator, an interior surface of the conductor cover to spread open the first longitudinal edge and the second longitudinal edge along a portion of the conductor cover to allow the portion of the conductor cover to be applied to a cable. A method is also disclosed of applying tubular conductor cover to a cable, the conductor cover being split longitudinally to define a first longitudinal edge and a second longitudinal edge, the method comprising: spreading open the first longitudinal edge and the second longitudinal edge of a portion of the conductor cover with a separator on a head, the separator contacting an interior surface of the conductor cover; and applying a length of conductor cover to the cable through the head.