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WO/1997/034354A1 |
A clamp consisting of a U-shaped body made of aluminium alloy, a channel-shaped cover also made of aluminium alloy, and means for clamping same to a cable. The conductor-engaging surfaces fo the U-shaped body and the channel-shaped cover...
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WO/1997/034306A1 |
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/1997/020371A1 |
Cable hanging clamp comprising two symmetrical parts (1) hinged together, and presenting a semicircunferential profile configuration, provided at one of their edges with an eye (11) and a tongue (12) aligned with respect to each other an...
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WO/1997/019456A1 |
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/1997/007579A1 |
The invention relates to a suspension clamp used for hanging the wires of high-voltage, at least 52 kV open cables, particularly to a suspension clamp for an optical ground wire, said suspension clamp comprising a hook-shaped suspension ...
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WO/1996/038892A1 |
The invention concerns a method of fitting an optical-fibre cable (1) on the cable (2) of a power transmission line using at least one adhesive tape (5, 6) wound on in a helical manner.
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WO/1996/035217A1 |
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/1996/033541A1 |
A circuitry (1) for reducing the magnetic field from multiphase power lines for high voltage alternating current is disclosed. One phase (R) is split into two branches (R1, R2) forming a closed loop along a line portion (L). The self-rea...
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WO/1996/016416A1 |
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/1996/014176A1 |
Methods and apparatus for forming devices including dead-ends and insulator ties from flat and other strips of material, as well as the devices themselves, are disclosed. Components of these devices may be formed continuously from a sing...
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WO/1996/013852A1 |
An intermediate voltage or cable marker with a gas-filled lamp (2) with reflectively enhanced conspicuity comprising an inner conductive coating (5) in an opaque shell (9); the shell (9) being mountable on the intermediate voltage line (...
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WO/1996/013740A1 |
A combined overhead electrical power and optical transmission system which comprises overhead electrical phase conductors extending between and supported by, towers (10), and at least one optical cable (1) that extends between and is sup...
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WO/1996/002968A1 |
Devices forming a stiffly flexible framework, preferably formed of multiple lengths of stranded metal cable, are disclosed. These devices space conductors (such as those of transmission lines). Where stranded metal cable is used interstr...
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WO/1996/002077A1 |
The invention relates to a marker ball fastenable to a wire for facilitating the detection of the wire. The ball includes two spheerical caps (1, 2) with a gap (3) therebetween for bringing and securing the wire inside a mounting element...
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WO/1995/034839A1 |
An aerial self-supporting fiber optic cable includes a pair of longitudinal strength members extending along respective opposite sides of a core, and a jacket surrounding the core and strength members, wherein the jacket has a generally ...
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WO/1995/031027A1 |
A fastening and tension-adjusting clamp, in particular for an overhead telecommunications cable, comprising an outer housing (5) with a through-bore (21) for the cable (1) and members (22, 29, 34, 52) for controllably exerting on said ca...
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WO/1995/026063A1 |
Disclosed is a deicing device for deicing cables. The deicing device includes one pair of conductive wires connected to and helically wound along the cable. The conductive wires are connected at one end to a pulsing device which generate...
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WO/1995/020835A1 |
Method for generating low magnetic fields from a three-phase-conductor arrangement, as well as such an arrangement. Four phase conductors are used, one phase (R) being split into two phase conductors (R/2, R/2) which are arranged one on ...
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WO/1995/019479A1 |
A utility line support structure (10) for use as a tangent crossarm or deadend including a hollow pultruded beam (20) with a bushing (30) inserted into a transverse hole (22) in the beam. Bushing (30) includes a hollow inner member (32) ...
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WO/1995/015447A1 |
A cable handling chain (10) for housing cables and/or hoses, the chain comprising a series of chain links (12) interconnected by at least one elongate flexible support member (14), the, or all flexible support members in combination, bei...
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WO/1995/011541A1 |
An apparatus and method is provided for reducing the strength of the magnetic field in a region near electric power lines (24, 26, 28) or other devices which generate ELF magnetic fields. The field strength is reduced by creating a secon...
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WO/1995/010844A1 |
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/1995/008684A1 |
A high voltage electrical transmission line tower (22) having leg members (15) and cross bracing members (19, 21) is constructed using glass reinforced pultruded composites. Using only pultruded composite material in the vicinity of the ...
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WO/1995/007567A1 |
To create an attachment element for wire or cable-like bodies, in particular for ropes or cables for overhead lines, with at least one retention branch that has in one direction of lay a helical or spiral-shaped retainer with which the w...
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WO/1994/026013A1 |
The invention relates to a high-voltage overhead line, in particular a line for voltages in excess of 100 kV, having aerially drawn phase conductors supported on a pole construction. In accordance with the invention, the conductors are i...
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WO/1994/026012A1 |
The invention relates to a holder for a low-voltage cable, especially a suspended convoluted cable. A suspension element (2, 3) is accompanied by a C-shaped sleeve element (1, 11), whose sliding characteristics and curved shaping of its ...
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WO/1994/016484A1 |
The invention relates to an electric line system with at least two lines to transmit electric power. It is essential that, at least partly to compensate for magnetic fields in a spatial region approximately parallel to the line system, a...
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WO/1994/008816A1 |
In a suspension device for at least one live contact wire (14) for current collectors of overhead-wire buses or streetcars having a hook-up device (17, 18) that can be attached to a carrier cable (10) or the like and with a connection el...
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WO/1993/003525A1 |
In a supporting clamp (1) for medium-voltage overhead lines (2) with a flexible bracket (3, 4) forming a groove for the overhead line (2) and having a through aperture (5) for the support (6) in its end section to be secured to the suppo...
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WO/1992/019033A1 |
A device for achieving visual marking of a line by a marking body is described. It relates especially to a substantially horizontal ground wire in a transfer system for high voltage electricity, arranged at a relatively high altitude abo...
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WO/1991/003091A1 |
The invention provides for an enclosure (100) especially suitable for telecommunications applications. The opening and closing of the cover (12) is about an axis that permits the enclosure's installation in environments requiring a minim...
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WO/1990/009500A1 |
Post, particularly for sustaining electric power supply cables. The post may be used as a high and thin structure in order to holdat a certain height various elements such as lamps, flags, signs, sails, video-cameras and the like. It is ...
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WO/1990/007138A2 |
A drop cable arrangement in which a carried line (9) is supported by a strength member (3), the carried line being attached to the strength member via a tubular member (7) that is a sufficiently loose fit around the strength member to pe...
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WO/1990/001229A1 |
An oscillation suppression member (2) is helically mounted on an overhead electric conductor (4). The suppression member (2) consists of an electrically insulating and non-tracking outer jacket (6) and a conductive core (8). The conducti...
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WO/1990/001228A1 |
An oscillation suppression member (10) is helically mounted on an overhead electric conductor (2) that is suspended between two support towers (4). The suppression member (10) consists of an insulating and non-tracking material and exten...
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WO/1989/001108A1 |
A cross-arm for supporting electrical utility wires. The cross-arm is made of insulative material, the inner structure formed of alternating layers of polyester resin (50) and synthetic fabric (54). An inner core (56) is composed of poly...
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WO/1988/002460A1 |
Lighting system comprising in particular projectors arranged between two low-voltage conductors (2, 3), to which they are connected in an electrically conductive manner. Each projector comprises a base (4) on which are arranged radially ...
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WO/1987/004573A1 |
A clamp assembly for securing the ends of longitudinal tensile load-bearing elements comprises a pair of rings (1), (2) having complementary tapered surfaces (6, 7). When assembled, one ring (1) seats coaxially inside the other ring (2) ...
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WO/1987/002521A1 |
A cable carrier (1) for mounting power cables or lines (3) on support insulators (2). The carrier (1) comprises a gripping device having two legs (4, 5) each of which carries a respective roller (12, 13), such that when the carrier is mo...
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WO/1986/006560A1 |
Vibration damper in a conductor on an overhead electric line comprising a clamp (3), for clamping to a conductor (2), and a hollow body (6), proof to atmospheric agents, containing incompressible fluid (13), a substantially vertical shaf...
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WO/1986/001650A1 |
A support fixture for stranded conductors which has an oscillating carrier (1), arranged on a carrying element (24), which receives the stranded conductor (3), and a securing device which fixes the stranded conductor (3) to the oscillati...
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WO/1986/001635A1 |
Ceramic elements (2) which can be clamped together by means of a tension rod (22) so as to form a cross-arms assembly (23) for a utility for pole (24). The elements (2) are provided with recesses (12) which receive electrical conductors ...
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WO/1985/001839A1 |
Aerodynamic dampers for reducing wind-induced motion, especially galloping, of electrical transmission and distribution lines. One type of known damper comprises a structure that in cross-section has a vane (10) that is secured to the co...
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WO/1983/001869A1 |
A fitting for connecting an elongate body such as a cable (19) to a support having a mounting post (11) with a transverse hole (20) adjacent its free end, the fitting comprising a generally U-shaped component formed from a number of stra...
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WO/1982/001294A1 |
A three-phase overhead electric line with split phases comprises wires (4) fixed on metallic spacers (5) forming in a plane perpendicular to the axis of the electric line contours of the cross-sections of the split phases (1, 2, 3). The ...
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WO/1981/002226A1 |
A direct-current electric line comprises two cable systems providing for arc discharge protection of the lead wires (2, 3). Above a lead wire (2) connected to the negative pole (6) of a direct-current source (7) a cable system is placed ...
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WO/1981/002227A1 |
An overhead electric line comprises an arc protection system used as well for transferring high-frequency telecommunication signals. The system has at least one section (11-V) along which the distance (12) between the wires (4, 5) varies...
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WO/1981/001786A1 |
Warning devices for birds having the specific purpose of attaining a situation conducive to preventing them from flying into a given area. According to the invention, representations (4) - for example in the form of silhouettes - of pred...
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WO/1980/001971A1 |
A three-phase overhead electric line contains split phases (1, 2 and 3), wires (4) of which are mounted on metal spacers (5), those spacers forming, in a plane perpendicular to the axis of the electric line, countours of the cross-sectio...
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WO/1980/001441A1 |
An overhead electric line with towers carrying phase wires and lightning protection system which system is used as well for transfer of high-frequency telecommunication signals and which contains at least one pair of wires (4, 5) spaced ...
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