Abstract: What is disclosed is an insulator for providing insulation between a stringing block for an electrical conductor and a pole or cross arm on which the stringing block is mounted. The insulator is made of a non-conductive material such as plastic. The insulator has an upper opening in the body that is configured for receiving a flange of a stringing roller. The insulator can be configured to be mounted directly to a pole or cross arm, such as by using a ratcheting strap. Alternatively the insulator can be configured to be positioned between the roller and a base, such as those known in the prior art.

Abstract: Provided is a flange (100) connected to an end of an insulating tube (10), the flange includes a flange plate (110) abutting the end of the insulating tube, a groove (111) recessed toward inside of the insulating tube is disposed on the flange plate, the groove is connected to the insulating tube, an inflation valve (120) is disposed within the groove, the groove is filled with sealing material (130) which covers the inflation valve. Provided are also insulator and insulated support post using the flange. The flange, the insulator and insulated support post help to protect the inflation valve from external force and the groove is filled with the sealing material to ensure the sealing performance of the flange.

Abstract: A multilayer electric field grading article comprises first and second layers forming a discrete interface. The first layer comprises a first electric field grading composition comprising first particles dispersed in a first matrix material. The second layer comprises a second electric field grading composition comprising second particles, compositionally different than the first particles, dispersed in a second matrix material. The first and second layers have respective first and second degrees of nonlinearity between respective first and second onset voltages and corresponding first and second breakdown voltages. The first and second layers taken together have a combined onset voltage that is higher than the first and second onset voltages, and the first and second layers taken together have a greater combined degree of nonlinearity than each of the first and second degrees of nonlinearity taken individually.

Abstract: A composite insulator includes an insulating elongated core, a protective layer surrounding the elongated core, the protective layer including an outer surface with a shed profile and an adhesive primer layer disposed between the elongated core and the protective layer for adhering the protective layer to the elongated core, the adhesive primer layer including a coupling agent and particles of a low resistivity material. The method for producing a composite insulator includes preparing a first solution including a solvent, a coupling agent and particles of a low resistivity material, applying the first solution on at least a part of an envelope surface of an insulating elongated core and thus forming one or more first adhesive primer layers and applying a protective layer onto the first adhesive primer layer on the elongated core, wherein the protective layer includes an outer surface with a shed profile.

Abstract: This disclosure relates to methods and compositions for treating a wafer having a pattern disposed on a surface of the wafer.

Abstract: A tie rod that includes a central section, a first tapered section, and a second tapered section. A thermoplastic tube extends the length of the tie rod. The first tapered section includes a first insert positioned within the thermoplastic tube. The second tapered section includes a second insert positioned within the thermoplastic tube. A channel extends through the tie rod along the central section, the first tapered section, and the second tapered section.

Abstract: This disclosure relates to methods and compositions for treating a wafer having a pattern disposed on a surface of the wafer.

Abstract: A producing method for an electrical insulating structure that covers an outer surface of a to-be-insulated object is provided. The method comprises: a taping step of winding a main insulation tape on outside of the to-be-insulated object; a spraying step of spraying nanoparticles onto the outer surface of the wound main insulation tape; a vacuum drawing step of vacuum drawing the tape-wound to-be-insulated object; and an impregnation step of injecting a nanoparticle-containing impregnating macromolecular polymer in which nanoparticles have been kneaded to impregnate the to-be-insulated object therewith. In the spraying step, microcapsules, which contain the nanoparticles and are able to release the nanoparticles before the impregnation step, are sprayed.

Abstract: A cover provided for a powder measure that includes a tubular sleeve to fit over hopper reservoir walls. The cover may include an informational card slot, and/or a moral patch. The cover may also include a viewing window slit or slits to provide viewing information on the fill level of the hopper while the cover is applied.

Abstract: A flexible circuit board includes a substrate and a circuit unit formed on the substrate. The substrate has two carrying segments and a connecting segment, and the two carrying segments are connected by the connecting segment. The circuit unit has a plurality of conductive lines and at least one connecting line, and each conductive line and the connecting line are separated from each other. The conductive lines are respectively formed on the two carrying segments, and the connecting line is formed on the connecting segment and the two carrying segments. Two opposite ends of each carrying segment are configured to connect with each other to form a tubular structure, and two opposite ends of the connecting line are configured to connect to two adjacent conductive lines respectively formed on the two tubular structures, thereby the circuit unit is formed as a coil.

Abstract: A spiral air pressure spring designed by the invention solves the technical problems of complex structure and low compressive strength in the current gas springs. The spiral air pressure spring comprises a spring body, and is characterized in that the spring body is formed by an air column having a pressure air containing cavity, the air column is spiral, and at least one vent hole communicated with the containing cavity is arranged on the air column.

Abstract: A support insulator assembly has an electrically insulating body, a first support region and a second support region. The two support regions are spaced apart relative to one another by way of the insulator body. The first support region has an armature body, which is at least partially embedded in the insulator body.

Abstract: The present disclosure discloses a suspension insulator and a suspension insulator group. The suspension insulator comprises a silicone rubber umbrella string and a fiber-reinforced resin-based composite rod, wherein the silicone rubber umbrella string is arranged on the fiber-reinforced resin-based composite rod. Since the umbrella string is made of silicone rubber and is arranged on the fiber-reinforced resin-based composite rod, as compared with porcelain suspension insulator or glass suspension insulator, it has a low density and a light weight, and may reduce the load of the tower and is convenient to install and remove. The suspension insulator provided by the present disclosure is especially applicable to the field of power transmission.

Abstract: In one embodiment the present invention provides for a high thermal conductivity resin that comprises a host resin matrix 32 a high thermal conductivity filler 30. The high thermal conductivity filler forms a continuous organic-inorganic composite with the host resin matrix, and the fillers have an aspect ratio of between 3-100. The fillers are substantially evenly distributed through the host resin matrix, and are aligned in essentially the same direction. In some embodiments the resins are highly structured resin types.

Abstract: The present invention aims to provide a three-dimensionally shaped electrically insulating product having excellent formability in the process of three-dimensional formation and electrical insulation properties that are suppressed from deteriorating. Provided is a three-dimensionally shaped electrically insulating product formed by subjecting a sheet material having electrical insulation properties at least to a bending process, in which the sheet material includes a resin layer in the form of a sheet containing a thermoplastic resin having nitrogen or sulfur in a molecule and a protective layer in the form of a sheet disposed on each of both sides of the resin layer.

Abstract: A composite conductor includes a conductor that has a high temperature polyimide insulation formed around it. This polyimide layer may include reinforcing fibers such as, for instance, glass fibers. The insulation layer may further include grading layers. The conductor is placed inside an earth layer. The composite conductor may be protected with a stainless steel enclosure.

Abstract: There is provided a flat cable covering that possesses superior flame retardance, heat resistance, durability, blocking resistance, processability and other properties and, at the same time, is eco-friendly without use of halogen-based flame retardants and antimony-based flame retarding assistants. The flat cable covering includes a base film; and an anchor coat layer and a heat seal layer stacked in that order on the base film, wherein the heat seal layer comprises a resin composition including at least 70 to 30% by weight of a filler component composed mainly of a flame retardant and 30 to 70% by weight of a resin component composed mainly of a polyester-based resin, and the flame retardant is a non-halogen-based flame retardant including a metal salt of phosphinic acid and contained in an amount of 5 to 40% by weight based on the whole resin composition.

Abstract: A cable termination device includes a housing and an insertion opening for a cable in order to terminate the cable end so that it is safe to touch. The housing includes a sealing cap and a screw-on unit cooperating therewith. The insertion opening for receiving at least one cable end is provided on the screw-on unit, and the sealing cap has a rounded design toward the outer end.

Abstract: The purpose of the present invention is to provide a dry mica tape, and an electrically insulated coil using the same, and a electrical rotating machine using the same, with reduced amount of VOC (Volatile Organic Compound) generated during manufacturing thereof, while both of excellent impregnation property and excellent heat resistance are achieved. The dry mica tape, and the electrically insulated coil using the same, and the electrical rotating machine using the same, the dry mica tape including mica, a substrate, an adhesive which glues the mica and the substrate together, in which the adhesive includes unsaturated polyester compound which has a reactive double bond.

Abstract: Provided is a flexible and self-supporting insulating film including a base support layer and a partially cured poly(amide)imide layer applied to the base support layer. The composite insulating film may be used as slot liner to provide insulation to the components of the electric motor. The partially cured poly(amide)imide layer of the composite insulation film maybe further cured by the heat generated by the operation of the electric motor.

Abstract: In one embodiment the present invention provides for a high thermal conductivity resin that comprises a host resin matrix 32 a high thermal conductivity filler 30. The high thermal conductivity filler forms a continuous organic-inorganic composite with the host resin matrix, and the fillers have an aspect ratio of between 3-100. The fillers are substantially evenly distributed through the host resin matrix, and are aligned in essentially the same direction. In some embodiments the resins are highly structured resin types.

Abstract: A new cross linked polyolefin material combination that is designed to replace current high-density polyethylene (“HDPE”) materials for use with molded or over-molded electrical transmission products. Such molded or over-molded electrical transmission products include, for example, vise-top pin insulators, line post insulators, F-neck, C-neck, and J-neck pin insulators of classes ANSI 55-3, 55-4, and 55-5, Spacer cable spacers, Brackets, hangers, Line post sensors, cable restraint insulators, and transmission style insulators.

Abstract: A high voltage DC bushing including a fluid duct with non-constant width (?r) along the axial direction of the bushing.

Abstract: A modular polymeric insulator for overhead power distribution networks. The insulator includes a first insulating module adjacent to a supporting element; at least one further insulating module superimposed to the first insulating module and a non-metallic pin extending through the first insulating module and the at least one further insulating module. The modular polymeric insulator has a similar performance to a “Post type” insulator with the advantage of being resistant to impact and much lighter than a “Post type” insulator.

Abstract: An electrical insulator comprises an elongate shank and one or more sheds disposed along the length of the shank. The surface of the insulator comprises longitudinally extending flutes, the depth of which are varied along the length of the insulator such that the circumferential distance of all transverse sections along the length of the insulator is substantially constant or controlled. Instead of flutes, the surface may be formed with an array of protuberances and/or concavities. The insulator thus provides a defined perimeter and surface area along its length, such that areas of the surface are not preferentially heated by surface currents to form dry bands and thereby cause arcing. Such topography also renders the insulator less susceptible to the degrading effects of surface pollution.

Abstract: The present invention relates generally to cables suitable for use in plenum applications. In particular, the present invention relates to coaxial cables suitable for use in plenum applications (which exhibit flame spread and smoke generation properties that comply with industry standards, e.g., UL 910 or NFPA 262) without compromising electrical performance. The cable has two or more layers of insulation where the inner layer is made of a material having a high melt flow index and the outer layer is made of a material having a low melt flow index.

Abstract: A component, for example an aerofoil vane or other gas path structure in a gas turbine machine such as a gas turbine engine, in which an insulated electrical conductor path (2) is embedded structurally integrally, and in which electromagnetic shielding (1, 2, 20, 22), for the embedded electrical conductor path is provided structurally integrally.

Abstract: An interlayer insulation film can be produced by laminating a hydrocarbon layer containing an Si atom and a fluorocarbon layer containing an N atom on each other, wherein the hydrocarbon layer contains an H atom and a C atom at such a ratio that the ratio of the number of C atoms to the number of H atoms (H/C) becomes 0.8 to 1.2. The interlayer insulation film makes it possible to suppress generation of a leak current and the film shrinkage which may be caused by thermal annealing and has a low dielectric constant and is stable.

Abstract: Systems and methods for covering a trough member. A cover system can include a static portion coupled to a side wall of the trough member and defining a pocket. A sliding portion is selectively received in the pocket and is movable between an extended position and a retracted position. Opposite side walls of the trough member each include a static portion, and a sliding portion which telescopes to provide access to an interior of the trough member.

Abstract: Item comprising thermoplastic polyurethane adhesively bonded to crosslinked polyethylene without any chemical adhesion promoter.

Abstract: A mechanical interface for relieving stress between an outer layer and an inner insulating layer in a layered insulating tape structure surrounding an electrical conductor. The interface tape includes a porous non-woven carrier having opposing sides including a release region located at a first side and a non-release region located at an opposite second side. The release region is treated with a release material for substantially inhibiting adhesion between the first side and an adjacent outer surface. The non-release region is untreated by the release material for substantially facilitating adhesion between the second side and an adjacent inner surface.

Abstract: A dielectric layer including a film with silicon compound contain oxygen and a film with silicon compound contain nitrogen is provided. A ratio of Si—N group absorption intensity to a thickness of the film with silicon compound contain nitrogen in an FTIR spectrum is substantially greater than or substantially equal to 0.67/?m. The dielectric layer can be incorporated in switch devices.

Abstract: The present invention relates to an insulated barrier preventing wildlife from simultaneously contacting an electrically energized and an electrically grounded surface, comprising: electrically insulated radially and axially extending members forming an hexagonal web having a first hexagonal rib that defines an opening offset from the geometric center of the barrier; and an insertion slot extending from an outer portion of said barrier to the offset opening for movement of said barrier onto electrical equipment utilizing and installation grip area for engagement with a gripping portion of an installation tool.

Abstract: A polymer SP insulator comprising an FRP core 1, a sheath 2 having a plurality of sheds 6 provided on outer periphery of FRP core 1, and metal-end-fittings 3, 4 crimped to upper and lower ends of FRP core 1, in which a flat plate 11 for adjusting the overall length dimension after crimping the metal-end-fitting 4 is assembled in the inner bottom of the metal-end-fitting 4, and the overall length dimension is uniformly adjusted by the thickness of the flat plate 11. Further, a stress concentration portion such as cross groove is provided in the outer bottom of the lower Metal-end-fitting 4, and prevents instability by deformation of flange 8 when crimping the Metal-end-fitting 4. In this configuration, in spite of the structure of crimping metal-end-fittings at upper and lower ends of the FRP core, the overall length tolerance, parallelism and eccentricity can be suppressed.

Abstract: The method of manufacturing a composite insulator constituted by a rod surrounded by an insulating coating and provided at its two ends with two metal end fittings respectively consists in the following steps: fixing two respective metal interfaces to the two ends of the rod, the metal end fittings of the insulator subsequently being fixed to the interfaces; and putting the coating into place around the rod and around the metal interfaces while leaving an end portion of each metal interface uncovered by the coating so as to enable the metal end fittings to be fixed thereto subsequently.

Abstract: The invention relates to an outdoor sealing end (8) which is elevated on one side. Means (18) for fixing the cable (10) are designed on the base fittings (20). An electric duct (32) is situated inside the sealing end. Additional, conventional means for electrically connecting the cable shield to the earth potential and means for the field control (field control body 33) and the insulation on the inhomogeneous potential transitions on the cable end are provided. The electric duct (32) that is embodied as a pipe or pin is connected to the cable conductor (12) by means of contact elements (42). The duct (32), the insulating body (50) and the top fittings (70) form an assembly unit. The surface of the sealing end is coated with a voltage-dependent field-controlling layer (64).

Abstract: A housing for an electrical apparatus includes a sheath, at least one shed and a hydrophobic coating. The sheath includes a first electrically insulative material and an outer surface. The at least one shed includes a second electrically insulative material and an outer surface. The hydrophobic coating is applied to the outer surface of at least one of the sheath and the at least one shed. One of the first electrically insulative material and the second electrically insulative material includes an electrically insulative, polymeric material.

Abstract: An electrical insulation material which is suitable for high voltage applications, the material including (a) a polymeric material, and (b) an additive incorporated into the polymeric material, the additive including a compound of the formula: Rf—O2C(CH2)xCO—R′f where Rf and R′f are fluorine-substituted aliphatic chains, and x is an integer in the range 9 to 18.

Abstract: A tubular elastic covering (730) for electric components (700), having on the whole predetermined values of mechanical and electric/environmental requirements, in which the mechanical requirements include expandibility and elastic recovery in a radial direction, and electric/environmental requirements comprise resistance to tracking and resistance to solar radiation, characterized in that said covering includes an inner insulating layer (680) and an outer insulating layer (660) coaxial with each other, in superposed relationship and bonded together, made of blends of cross-linked polymeric material, in which the cross-linked blend forming the inner layer has predetermined values of said mechanical requirements and the cross-linked blend forming the outer layer has predetermined values of said electric/environmental requirements.

Abstract: In a high-voltage hollow insulator, which has an insulating body, with a hollow support element made of a thermosetting composition, and a potential control device, the potential control device is encapsulated with the thermosetting composition of the support element and at least partially encoiled with fibers. For production, a blank of the support element is formed from the potential control device and the still soft thermosetting composition in accordance with the filament-winding process and is heated and cured. The hollow insulator can be produced in a simple and low-cost way. The structural design of the potential control device is no longer bound to mechanical requirements or requirements necessary for installation.

Abstract: A high-voltage homogeneous co-curing composite insulator includes first and second end fittings longitudinally separated by a spacer, a resin impregnated fiber core wound onto the end fittings and onto the spacer, and an outer sheath moulded onto the fiber core. Since the resin matrix of the core and the material used to form the outer sheath each include curable resins from the same family and are, therefore, chemically compatible, a chemical link exists between these two elements. The end fittings are provided with a relatively thin wall defining a mechanical fuse.

Abstract: A tubular elastic covering (730) for electric components (700), having on the whole predetermined values of mechanical and electric/environmental requirements, in which the mechanical requirements comprise expandibility and elastic recovery in a radial direction, and electric/environmental requirements comprise resistance to tracking and resistance to solar radiation, characterized in that said covering comprises an inner insulating layer (680) and an outer insulating layer (660) coaxial with each other, in superposed relationship and bonded together, made of blends of cross-linked polymeric material, in which the cross-linked blend forming the inner layer has predetermined values of said mechanical requirements and the cross-linked blend forming the outer layer has predetermined values of said electric/environmental requirements.

Abstract: An assembly is provided having a core and a housing. The housing has an internal passageway extending from a first housing end to a second housing end for receiving the core. A coating of an uncured moisture activated material is disposed between the housing and the core. The coating cures upon reacting with moisture penetrating the housing to reseal the housing at a point of moisture penetration. The material cross-links in the presence of the moisture, thereby bonding with the moisture to prevent the moisture from contacting the core. The cured material is a rubber-like substance that adheres to the housing and to the core, thereby resealing the housing at the point of moisture penetration.

Abstract: Resin-impregnated sheet materials, such as fabrics, films, paper and tapes, for forming electrical insulation that exhibits significantly improved voltage endurance performance. The present invention finds particular use as groundwall insulation for high voltage generator stator bars, in which the groundwall insulation is formed by mica tape filled with submicron particles of silicon dioxide, aluminum oxide, titanium dioxide and/or zirconium dioxide, in combination with an unfilled mica tape impregnated with the same or compatible resin binder. The filled tape is preferably in the form of a mica paper having at least one woven fabric on at least one of its surfaces, a resin binder permeating the mica paper and woven fabric so as to bond the woven fabric to the mica paper, and oxide particles dispersed in the woven fabric.

Abstract: A tubular elastic covering for electric components is provided to obtain predetermined values of mechanical and electric/environmental requirements. The mechanical requirements include expandibility and elastic recovery in a radial direction. The electric/environmental requirements include resistance to tracking and resistance to solar radiation. The covering includes an inner insulating layer and an outer insulating layer coaxial with each other, in superposed relationship and bonded together. The covering is made of blends of cross-linked polymeric material, in which the cross-linked blend forming the inner layer has predetermined values of the mechanical requirements and the cross-linked blend forming the outer layer has predetermined values of the electric/environmental requirements. This invention also describes a method of making this covering, a termination for electric cables utilizing this covering, and a method of mounting the termination to an electric cable.

Abstract: A composite insulator includes an insulating rod, end fittings crimped to opposite end portions of said insulating rod, and an elastic insulating material molded around the outer periphery of the insulating rod, wherein each of the end fittings has a flange around the outer periphery of an end fitting body on an axially external side thereof, and the elastic insulating material is molded around the outer periphery of the insulating rod and those of the end fitting bodies such that the elastic material extends up to and between the flanges. A process for the production of such a composite insulator is also disclosed.

Abstract: An insulative cover is utilized to protect an insulator supporting an electrical power line relative to a support structure in an electrical power transmission system. A first end of the cover is secured to the insulator adjacent the insulator's first end and a second end of the cover is secured to the insulator adjacent to the insulator's second end. The cover defines a volume substantially enclosing a central portion of the insulator.

Abstract: An insulator having a torque-resistant or torque-prevailing crimped insulator end fitting; including a method of crimping the insulator end fitting so as to be resistant to torque tending to loosen mounting bolt connections of the insulator. A fiberglass core is located in the insulator and protrudes from the opposite ends of the insulator, and has end fittings seated thereon in close interference engagement, by mounting the insulator through intermediary of the end fittings being attached to power devices by threaded bolts extending from the devices being engaged in the tapped bolt holes. Radially inwardly directed crimping forces are applied to the cylindrical wall structure of the end fittings intermediate the locations of the bosses having the bolts tightened within the threaded bolt holes, and thereby produce a bolt-locking deformation of the bolt holes.

Abstract: An elastomeric surge arrester housing includes a sleeve having a tubular core and radiating sheds. The sleeve is molded in a first configuration and, when the core is radially stretched, assumes a second configuration in which the sheds assume a downwardly extending configuration. The sheds, in the second configuration, include an upper surface having a generally frustoconical shape. The housing may be made using conventional molding techniques, but requires substantially less material than if the housing were molded directly into the second configuration.

Abstract: A hollow insulator for electric transmission and/or distribution lines including an insulating hollow tube made of composite material which is coupled, at least at an end portion thereof, to a metal flange which has a portion adapted to be inserted into the hollow tube. The coupling between the metal flange and the insulating tube is provided by means of a plurality of connection elements adapted to transfer to the flange flexural stresses due to flexural moments applied to the tube. The connection elements work substantially under shearing stress.