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WO/2005/060527A2 |
An apparatus for connecting two pairs of conductors (306, 308) and one pair of ground wires (904, 906) and for allowing separation of the same upon the application of a tensional force upon at least one of the conductors or ground wires....
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WO/2005/062435A1 |
Disclosed is a method for joining the ends (110) of high voltage cables that are suspended on span poles, said ends (110) having to be non-removably joined together with the aid of a splicing device. In order to significantly reduce the ...
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WO/2005/062437A1 |
The invention provides for a device (10) for deterring birds from overhead cables such as power lines, which device includes a clamping means (14) for clamping the device (10) on the overhead cable, the clamping means including a first m...
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WO/2005/022714A2 |
ABSTRACT A method and apparatus for handling and/or stringing energized conductor for a high voltage power line conductor for a high voltage power line is provided. The method includes bringing components and workers to the same electric...
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WO/2005/008690A1 |
The present invention relates to an insulator integrated with a clamp. The insulator integrated with a clamp according to the present invention includes a center rod (10), a connecting cap (20), and a clamp (50). The center rod (10) incl...
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WO/2004/088066A1 |
A fitting for use in retaining a plurality of accessory members to a vertical modular structural unit of a telecommunications tower, electricity pylon or like structure. The unit has a plurality of vertical sides wherein each side has at...
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WO/2004/065159A1 |
An arrangement for providing electric power to a vehicle (1) from an AC-supply line (2) through a pantograph (3) of the vehicle in contact with the supply line when the vehicle is moving therealong comprises a transformer (5) connected t...
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WO/2004/032300A1 |
The invention concerns a method for deicing energized electrical transmission lines by means of an apparatus capable of producing an angular offset between its terminals. The method consists in: selecting segments (4, 6) of electrical tr...
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WO/2004/023617A1 |
An apparatus for installing an overhead power line is disclosed. The apparatus can constantly maintain a predetermined linear velocity by detecting a physical quantity relating to a linear velocity when a power line is wound or unwound o...
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WO/2003/105302A1 |
A method and an apparatus for de-icing aerial cables are provided. The cable is gripped and slowly twisted for a predetermined number of turns within the elastic domain of deformation of the cable. Mechanical elastic energy is therefore ...
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WO2003085308B1 |
A cable support system includes a plurality of first components (12) and a plurality of second components (14). Each first component (12) has a hinge edge (16), a tightening region (18) disposed on an opposite side from the hinge edge (1...
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WO/2003/094315A1 |
Suspension clamp for conductors, particularly suitable for supporting suspended conductors pertaining to medium and high voltage overhead electric lines, comprising: a body (11), restraining means (12) between the body and at least one o...
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WO/2003/085304A2 |
A duct (10) is made up of a plurality of layers (11, 12, 13) of pliant material. The layers (11, 12, 13) are attached by stitching (20, 22) to form pockets (23, 24) between adjacent layers. One of the layers (11) is wider than the others...
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WO/2003/084856A1 |
A cable lasher (2) is provided for securing a utility cable, such as a telephone or transmission cable (5), to a support strand (3) strung in the air between adjacent utility poles. The lasher is pulled forwardly along the support strand...
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WO/2003/077394A1 |
Wrap-around cable sleeves are provided for environmentally sealing a cable section. The cable sleeves include a wrap-around body member of an electrically insulating material and have a longitudinally extending portion with a corrugated ...
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WO/2003/077393A1 |
Method for the application of a wire system consisting of a mechanical support wire or wires and current conducting wires for power transmission lines comprising steps of attaching mechanical support wires on support structures of the tr...
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WO/2003/074415A1 |
A portable telescopic lifting apparatus (1) for lifting aerial cables (53). The apparatus (1) comprises a tubular housing (2), first and second telescopic members (3, 4) extendible from and retractable into the housing (2), a drive (5, 6...
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WO/2003/068609A1 |
A protective cover (10, 20, 60) for protecting lengths of material (82) used in environments in which the lengths of material (82) are moved or pulled around and subjected to abrasion, chemicals, and weather extremes. The protective slee...
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WO/2003/058105A1 |
A cable clamp (10) includes two interchangeable half-portions (14, 16). Each half-portion (14, 16) includes an outer side, an inner side including a cable receiving region (18, 20), a hinge region (30, 32) arranged below the cable receiv...
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WO/2003/049233A1 |
Disclosed herein is provides a ground ring. The ground ring includes an insulating plate, a grounding copper plate, and a clip. The insulating plate is divided into two insulating plate members, and provided on an outer surface thereof w...
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WO/2003/045728A1 |
The invention relates to a fastening device for fastening reverse current lines of overhead lines inside tunnels and under structures, comprising a block (14) having a comparatively short vertical length, a square profile, a vertical lon...
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WO/2003/046931A2 |
A power transmission shield (10) is utilized on a power transmission line (100) to prevent electrical discharge from the transmission line (100) to an animal. The shield (10) includes an insulative mesh structure (12) formed of a plurali...
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WO/2003/044583A1 |
An optical fibre drop cable for suspension installation comprises electrical conductors (16) and at least one optical fibre (13). An electrically non-conductive reinforcing sleeve (20) houses the conductors (16) and the or each optical f...
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WO/2003/043031A1 |
An electrical power transmission line includes an electrical conductor including a plurality of interconnected individual current conducting sections and a conducting section connector disposed between the conducting sections. At least a...
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WO/2003/023923A1 |
The two-wheel supporting roller assembly for installing or exchanging optical communication wires and ground wires according to the present invention includes an upper roller, a lower roller, a rope fixing unit for connecting an upper fr...
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WO/2003/017445A1 |
The invention relates to a lashing strap for fixing an optical cable to an electrical overhead line. The inventive lashing strap is comprised of a supporting body (11, 21) that absorbs tensile forces and of a sheath (12, 22) that complet...
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WO/2003/014496A1 |
The invention concerns a pole-top insulator for carrying overhead electrical cables (7) on pole legs or similar supporting structures (4) located along power lines and that includes one or more self-supporting tubular supporting arms (1,...
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WO/2003/012948A1 |
A device to prevent cables from becoming damaged during the installation process is disclosed. The tolerances that a particular cable can withstand will typically vary dependent upon the type of cable and the number of cables pulled toge...
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WO/2003/007448A1 |
A method and apparatus for insulating high voltage electric wires from birds and other animals. A dielectric material is distributed on electrical wires or on the electric wire support at a location proximate to the wire. Such material c...
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WO/2002/103870A1 |
The present invention discloses a wire stranding roller and a new method for the same, in a LP insulator being mounted at a cross arm of pin long column and insulating and supporting a high voltage wire, which drastically improves workab...
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WO/2002/095956A2 |
In one aspect, a stackable transmission line hanger (10) is provided for securing one or more transmission lines (15) to a supporting structure. Each such hanger includes a transmission line retention section (102) for accommodating a tr...
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WO/2002/084834A1 |
A helicopter (4) carries a generally horizontal beam (6) that extends transversely to the longitudinal axis of the helicopter (4). The beam (6) carries along its length a plurality of mutually spaced magazines (7) for housing flexible ca...
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WO/2002/073765A1 |
The invention relates to an anchor clamp for the termination of an overhead cable, which comprises a body (1), a clamp handle (3) fixed to the body and wedge parts (2) moving in relation to the body, between which the overhead cable (5) ...
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WO/2002/073760A1 |
A disconnection preventer for insulated wire having a discharge electrode part fixed to the periphery of an insulator. In order to facilitate fixing work of the discharge electrode part, the charging side of a current limiting element (1...
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WO2001057982A9 |
A ground wire for a power transmission system has a plastic tube to carry a bundle of optical fibers. The plastic tube is clad with a metal strip, preferably aluminium, and is supported by a set of wire strands disposed about the tube.
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WO/2002/062122A2 |
A spring-loaded wedge dead end connector(10) includes a connector body (12) having a base (28) and a pair of opposite jaw guides (30, 32) formed on and protruding outwardly from the base (28) and defining a guide channel (14) therewith, ...
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WO/2002/052686A2 |
The invention relates to a flexible aerial conduit for cables in general, consisting of a one-piece body made of plastic material (1), which is formed by annular bodies (2) connected to one another by tabs (4) emerging from the ends of t...
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WO/2002/047232A1 |
In order to remove snow and ice from an overhead line (1), an operatively controllable electromechanical vibrator (5) is attached semi-permanently on a line section between pylons. Preferably, a snow/ice sensor (8) is arranged close by t...
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WO/2002/041459A1 |
The invention concerns a switching apparatus and method for varying the impedance of a phase line of an electric power transport line section. The phase line comprises n electrically conductors isolated from one another and mutually shor...
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WO/2002/039556A2 |
A line deadend structure and method for using the same are disclosed in which three phase power lines can be attached to a single pole at different elevational locations on the pole. The lines can be attached to switches and can each be ...
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WO/2002/027878A2 |
An electrical installation comprises a support structure including a wooden pole (20.1, 20.2), electrical equipment (14, 16) mounted on the support structure, and an earthing conductor (24, 72) through which the equipment is earthed. The...
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WO/2002/021911A1 |
The invention discloses a bird repelling device (10) which includes a base member (12) having a plurality of locating formations for laterally extending spike members (16), and connecting means for connecting two or more such devices. Th...
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WO/2002/021656A1 |
An overground cable system, in particular an overground electric power transmission system, comprises a series of spaced upright supports between which extend at least two cables or conductors (22,22') each of which is prone to rotation ...
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WO/2002/021076A1 |
The invention relates to the automatic optical detection of the abrasion of the contact wires of overhead lines (10) by optically imaging the contact wire (10) in a line camera (21,22). The inventive device is placed on a vehicle in a lo...
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WO/2002/019493A1 |
Tope pole support for aerial electric power lines, in particular with suspended wires in which said aerial electric power lines comprise at least three wires (14) and said top pole support (10; 20; 40) comprise corresponding insulating m...
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WO/2002/007278A1 |
This invention relates to the design and manufacture of Stockbridge type vibration dampers for overhead power transmission lines. The invention provides a Stockbridge vibration damper (1) comprising a pair of damping weights (2, 3) joine...
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WO/2001/095450A1 |
An aerial cable installation comprises an aerial cable (10) suspended from a suspension point (12) through a suspension device (13). This device comprises a clamp (14) comprising two saddle members (18, 20) engaging the cable on diametri...
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WO/2001/089049A1 |
The invention relates to a cable suspension device made of metal, especially for suspending and fixing at least one cable. Said device comprises a retaining area (10) that is to be placed on a support, especially a cover, and a bearing a...
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WO/2001/086772A1 |
Apparatus for increasing electrical clearances of overhead electrical conductors to ground by means of insulator strings and jumpers. Electrical conductors (1) are attached to the support structure (13, 14, 15, 48) by a device ensuring t...
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WO2000036721A9 |
A cover installation apparatus installs continuous lengths of flashover protection covers around energized electrical power lines. The apparatus includes a cover assembly housing that takes a flat, extruded length of material and forms t...
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