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WO/1999/001874 |
Removing the electrical field from the internal volume of high-voltage structures, e.g., bushings, connectors, capacitors, and cables. The electrical field is removed from inherently weak regions of the interconnect, such as between the ...
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WO/1998/050926 |
The invention relates to a wall bushing (16) arranged in the wall of a room or building. In order to ensure that the insulating section (15) is subjected to an even strain, a space of at least 1m is provided in the wall bushing (16) betw...
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WO/1998/044515 |
A cable transit for protecting against the ingress of, e.g., liquids and electromagnetic disturbances at a transit location in a wall includes a sleeve (10) and a nut means (11) for fitting the transit tightly in the wall. The transit al...
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WO/1998/036424 |
The surface of the insulator body of an electric high-voltage insulator is covered with at least a semiconductive layer having a surface resistivity of 1-1000 M$g(V)/square, and wherein the outermost layer mainly consists of a polymeric ...
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WO/1998/036426 |
The outer surface of the body and of the sheds of an electrical high-voltage insulator is covered with a semiconductive layer (10) having a surface resistivity of between 1 and 1000 M$g(V)/square. The semiconductive layer is in electrica...
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WO/1998/032328 |
The present invention uses an electric fence support (1) which includes at least one indentation (2) located along the length of the fence support (1), and an insulator (20) including a locator and a wire retainer, wherein the insulator ...
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WO/1998/020504 |
On an electric insulator of porcelain (2), in particular an electric high-voltage insulator, with at least one opaque, 0,1-1 mm thick glaze layer (3), is a film (4), which consists mainly of tin oxide, SnO�2?, deposited on the said opa...
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WO/1998/019315 |
In a high voltage insulator assembly (1a,1b), in order to have a low voltage load for an optical fibre (15) placed inside the body of the insulator (3), potential control means with capacitive effect are provided on the upper end (5) of ...
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WO/1998/019195 |
In order to prevent fissures from occurring also at particularly low temperatures on an optical fibre (7a,7b) placed inside (5) an insulator (1), the inner area (5) of said insulator is filled with foam (13) at an overpressure. The foam ...
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WO/1998/011565 |
The invention concerns an isolating device to bear or support electrical cables and wires (14) with a specially ribbed (15) isolating body (1). According to the invention, the isolating device (1) has a fixing device on its face plate or...
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WO/1997/048996 |
Device for transmitting light between two points with a different electric potential and process for manufacturing such a device. The device contains a high-voltage insulator (2) with an inner cavity (3) which receives optical fibres (4,...
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WO/1997/041627 |
An overhead conductor (12) is supported by a support element (16) and tied to the support element by means of a wire-wrap tie (18). The wire-wrap tie has a centre section (32) which engages with the support element, and a tail (36) at ea...
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WO/1997/040505 |
A method of producing an insulating core body of a high voltage resistant device, e.g. a bushing, is disclosed. The core body (1) is produced by winding a web of insulating material, in particular paper, onto a mandrel (2) and impregnati...
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WO/1997/038425 |
A composite electrical insulator suitable for high tension open air use wherein the insulator has an interior structural rod of an electrically insulating material and an outer coating formed of a thermoplastic material and having a plur...
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WO/1997/036363 |
A gas-insulated semiconductor valve means for high voltage and for high power has an elongated valve stack (2) with a plurality of semiconductor elements. The valve stack is provided with electrostatic shields (71-729) for reducing the s...
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WO/1997/035327 |
A high voltage electrical apparatus (13) comprises an insulating support (14) made of a moulded first electrically insulating material and carrying rigid electrical conductors (11, 12) and a second electrically insulating material (16, 1...
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WO/1997/034306 |
An annular guard (20) for mounting on a high voltage insulator extends laterally thereof for a sufficient distance so as to prevent small wildlife such as squirrels from forming a short circuit between the opposing ends of the insulator ...
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WO/1997/032318 |
The invention relates to a device known as an insulator for electrically separating from one another a high voltage conductor and earth while providing sufficient creepage path length. The device consists of a tube (1) which is welded wi...
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WO/1997/032317 |
An elastomeric surge arrester housing (20) includes a sleeve having a tubular core (30) and radiating sheds (36). The sleeve is molded in a first configuration and, when the core (30) is radially stretched, assumes a second configuration...
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WO/1997/031213 |
Extruded plastics (preferably heat-shrinkable) tubing having at least one internal dividing wall formed by heat-flowable (preferably hot-melt) adhesive material co-extruded with the tubing to provide at least two lumens extending longitu...
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WO/1997/031380 |
The invention relates to a surge arrester for high system voltages comprising an elongated column (20, 21) composed of a plurality of coaxially arranged valve units (10). The column is mechanically divided into an upper and a lower colum...
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WO/1997/025732 |
The invention concerns an open air high-voltage circuit breaker comprising a circuit breaker unit (13) and a control capacitor connected electrically in parallel to it and surrounded by a common composite isolation housing (7, 8) made es...
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WO/1997/024231 |
A molded body comprising a fibrous organic compound and a matrix comprising a resin reinforced with an inorganic filler and having a rubber elasticity are combined with each other so that the percentage of void, specific gravity and thic...
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WO/1997/023128 |
A support device (1) for supporting a length of material (8) wherein the support device includes: at least one support finger (4, 5) for supporting the length of material (8) which applies an initial load to the support finger (5); the s...
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WO/1997/019456 |
The invention relates to an electric power transmission line with protection devices against lightning overvoltages in the form of a (lightning) arrester with a surface discharge. At the expense of a rather long discharge path, the impul...
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WO/1996/042092 |
A gas-filled electric insulator for high voltage comprising a tubular insulant (1) with a flanged annular pole (3) attached at each end. Each pole has an annular part (9) and a flange (4). The annular part (9) has an outside diameter whi...
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WO/1996/041353 |
The present invention concerns an electrically insulating gastight feedthrough for at least two electrical conductors through a metal casing in an exhaust gas system of an internal combustion engine, in particular an electrically heated ...
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WO/1996/037359 |
Fabric (10) with HDPE shrinkable fibres (12) in wraparound direction laminated to LDPE film (14) on outside and coated with adhesive (16) on inside curls around small diameter object such as wire splice to resist unwrapping during heat s...
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WO/1996/037925 |
Wraparound side-entry enclosure for joints in primary electrical wiring, especially for high-speed automotive installation, uses heat-shrinkable fabric with adhesive lining, which fabric is fastened around the wiring joint by fabric-pier...
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WO/1996/035217 |
The invention relates to a shield (702) which prevents squirrels or other animals from causing faults in power distribution substations. Switch and bus insulators are primary points of contact when a small animal crawls from a grounded, ...
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WO/1996/024144 |
The invention relates to an electric insulator with at least one fitting cemented to an insulating body, in which the insulating body is secured to the fitting via a cement cup, where a composite coating is applied to the fitting between...
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WO/1996/017443 |
A transducer assembly (16) for an overhead power line operating at intermediate voltage (e.g. 11kV). The power conductor (14A, 14B) passes through insulating means supported by a support rod (17) and generally transversely to the conduct...
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WO/1996/016416 |
A generally disc-shaped polymeric insulating article (14) is in two parts to fit around the core (4) of an insulator (2). A first part (22) of the article (14) is substantially C-shaped to fit around the insulator core (4), and the secon...
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WO/1996/004667 |
A plastic electric high-voltage insulator has at least one glass fibre rod (1) and at least one shielding sleeve (2) made of silicon rubber that surrounds the glass fibre rod (1). The shielding sleeve (2) has concentric, umbrella-shaped ...
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WO/1995/026560 |
A conductive insulator which comprises an insulator body, and a metal member fixed to the insulator body via cement having high electric resistance. The exposed surface of the insulator body is covered with a first conductive layer, whil...
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WO/1995/024756 |
A sealing arrangement for sealing an annular space around one or more elongate objects comprises: (a) a sealing device (25) having a port (23) extending therethrough; and (b) an adaptor (1) which can be placed within the port (23), compr...
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WO/1995/020229 |
Woven sleeving having integral tie cords for bundling and harnessing electrical cables and other elongated substrates is disclosed. The sleeving is woven by displacing catch cords a fixed distance from the fabric selvages and raising the...
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WO/1995/016742 |
An elastically deformable seal in the form of a packing piece or the like for cable and/or pipe bushings, wherein the seal is formed from a material composition based on at least one type of elastomer. The material composition comprises ...
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WO/1995/015843 |
A process is disclosed for manufacturing an insulator body (8) provided with shielding ribs (6, 7). A cylindrical body (3) is first extruded from an insulating material and the extruded body (3) is then radially embossed to form shieldin...
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WO/1995/010844 |
The invention relates to a shield (118, 124) which prevents squirrels or other animals from causing faults in power distribution substations. Switch and bus insulators are primary points of contact when a small animal crawls from a groun...
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WO/1995/006552 |
The invention provides for a method of molding an elastomeric material which avoids longitudinal mold lines and an improved molding composition as well as molded parts for hybrid insulators and the like.
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WO/1995/000310 |
For the manufacture of substantially hollow-cylindrical castings (5), especially leading-in insulators for conductors under high voltage, a more or less liquid casting material (50) is introduced into a substantially hollow-cylindrical c...
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WO/1994/029886 |
A heat shrinkable shed (2) is mounted on a power cable (12) and sealed thereto by a hot-melt adhesive (10). Four projections (8) are esquispaced around the interior surface of the shed (2) to penetrate the adhesive (10) and to engage the...
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WO/1994/022196 |
A pre-stretched elastomeric article includes a central, convoluted area (24) and two cylindrical ends (26, 28) which are stretched over two removable cores (20, 22). The flexible central area (24) allows the assembly more versatility to ...
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WO/1994/017535 |
An electric bushing (1) is provided with a capacitive voltage-tapping electrode having a simplified design as an insulating ring-shaped plastic body (7). The plastic body (7) is coated with conductive lacquer (7) and has supporting feet ...
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WO/1994/014216 |
An overvoltage protecting device (1) for high voltage has a porcelain housing (2) with protective screens (3, 4, 7, 8). Protective screens (3) with a larger diameter may alternate with those (3) with a smaller diameter in the central reg...
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WO/1994/010730 |
In an arrangement with several co-axial surge arresters (1, 11) connected by means of connecting lines (4, 17, 18, 19) to common conductor rails (5, 20, 22), the first connecting lines (4) extend substantially radially away from the long...
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WO/1994/008345 |
The present invention aims at providing a solid insulator of a high strength, and a method of manufacturing the same. The solid insulator is characterized in that it consists of porcelain in which the quantity of crystals of cristobalite...
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WO/1994/006127 |
A composite link and insulator (10), and method of construction, includes a fiberglass body. The body (20) is formed by coating glass fibers (24, 26) with a liquid resin and winding the fibers around a plurality of tubular fittings or bu...
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WO/1993/026015 |
A weathershed (40) for use in a composite insulator includes a molded polymer body. The body configuration is such that the leakage distance across the weathershed (40) is increased, while at the same time the amount of material needed i...
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