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7605331 |
Ratchet-head conductor locking medium voltage electrical bus polymer insulator with pin mount
Cable support insulators of the present invention generally have an insulator body having a cable base and a plurality of insulator sheds. The cable base has a ratchet locking mechanism to secure...
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6833507 |
Magnetic cord retainer
A cord retainer having a first portion containing a first magnet, the first portion attachable to the cord; and a second portion containing either a second magnet or a ferrous member, the second...
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6759595 |
Outdoor termination for a high voltage cable
The present invention relates to an outdoor termination for a high voltage cable, comprising an insulator body for receiving the high voltage cable; a filling compound provided within the insulator...
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6737587 |
Cable sealing end
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...
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6657128 |
Hydrophobic properties of polymer housings
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...
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6576846 |
Two-layered elastic tubular covering for electric components, in particular terminations for electric cables, and related manufacturing method and mounting
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...
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6501029 |
High-voltage homogeneous co-curing composite insulator
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...
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6441310 |
Moisture activated barrier for electrical assemblies
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...
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6384338 |
Composite electrical insulator
A composite insulator is provided. At least one metal end fitting is provided having a sleeve portion which defines a bore with a first diameter, d 1 . An insulator subassembly is then formed. The...
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6307157 |
Composite insulators and a process for producing the same
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...
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6225567 |
Polymeric weathershed surge arrester and method
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...
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6218626 |
Insulator for electric transmission and distribution lines, with improved resistance to flexural stresses
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...
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6215075 |
Composite insulator
A weathershed for use in a composite insulator includes a molded polymer body. The body configuration is such that the leakage distance across the weathershed is increased, while at the same time...
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6064010 |
Composite insulator end fitting
An end fitting having a bore that forms a sleeve for the shank of an electrical insulator of composite structure. The bore has a substantially frustoconical wall that flares away from the bore...
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6051796 |
Electric insulator made from silicone rubber for high-voltage applications
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6031186 |
Solid polymer insulators with eye and clevis ends
An insulator in the form of suspension insulator or pin type insulator has an elongated load sustaining body with a plurality of weathersheds extending radially relative to the longitudinal axis of...
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5981878 |
Polymer insulators with metal caps
An electrical insulator for supporting an electrical conductor includes a load sustaining molded core, a mounting on the core, an dielectric sheath, and a metal cap. The molded core is formed of a...
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5977487 |
High voltage insulator of ceramic material having shrink-fit cap and method of making
The invention relates to a high voltage insulator of ceramic material, which includes a longitudinal shank having molded sheds and to whose ends of the shank metal caps are shrink-fitted. The ends...
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5945636 |
Electrical insulators with mechanical core and dielectric sheath
An electrical insulator in the form of a pintype insulator has a load sustaining mechanical core and a dielectric sheath overlying the mechanical core to protect the mechanical core from the...
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5623126 |
Ceramic terminal assembly
A terminal assembly is provided which is easy to assemble and disassemble. The assembly features male and female ceramic elements that interconnect and provide a passageway into which a terminal...
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5569885 |
Insulated link
An insulated link using new castable insulating materials and interim molds. A strong, insulating cast dielectric is assembled with metal plates to form a core assembly. A low viscosity bonding...
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5540991 |
Composite insulator and its manufacturing method
A composite insulator includes a FRP core rod and a sheath which is formed by integrally molding an insulating polymeric material to cover the core rod over substantially the entire length thereof....
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5406033 |
Insulator structure and method of construction
A composite link and insulator, and method of construction, includes a fiberglass body. The body is formed by coating glass fibers with a liquid resin and winding the fibers around a plurality of...
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5374780 |
Composite insulator structure and method of construction
A composite link and insulator, and method of construction, includes a fiberglass body. The body is formed by coating glass fibers with a liquid resin and winding the fibers around a plurality of...
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5336852 |
Electrical assembly with end collars for coupling ends of a weathershed housing to the end fittings
An electrical assembly, such as an insulator or a surge arrester, utilizing a pair of end collars for coupling an elastomeric weathershed housing to a pair of metallic end fittings, and for...
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5220134 |
Composite insulator and method for its manufacture
An insulator of the type composed of a core onto which a skirt made of insulating material and provided with fins is molded. The core comprises an axial rod of a composite material onto whose ends...
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5043838 |
Modular electrical assemblies with pressure relief
A modular electrical assembly is enclosed in an elastomeric weathershed housing, and has a plurality of electrical components aligned in a row and in electrical connection with one another via...
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4958049 |
Elongated electrically insulating support structure and relevant preparation method
An elongated electrically insulating support structure, for use by itself as an electrical insulator or for use as a strength member in a composite electrical insulator made of...
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4905118 |
Base mounted electrical assembly
A modular electrical assembly is enclosed in an elastomeric weathershed housing, and has a plurality of electrical components aligned in a row with terminals at the row ends. The electrical...
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4883930 |
Switch mechanism operating rod
A switch apparatus comprising a switch mechanism including a first contact, and a second contact movable into and out of engagement with the first contact for respectively closing and opening the...
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4845318 |
Composite electrical insulator and method of forming same
The invention provides an electrical insulator comprising a cylindrical core (2) of an insulating refractory material, such as porcelain, onto a portion of the curved surface of which a sleeve (8)...
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4833278 |
Insulator housing made from polymeric materials and having spirally arranged inner sheds and water sheds
An insulator housing comprising a resin bonded fibre tube carrying water repellent, spirally arranged inner sheds and water sheds made from strips of polymeric material provides improved outdoor...
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4656555 |
Filament wrapped electrical assemblies and method of making same
An electrical assembly comprising a plurality of electrical components aligned in a row under an axial load and wrapped with filament windings. The wrapped components are then preferably enclosed...
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4519861 |
Method for manufacturing a fiber-reinforced push or pull rod
A process for manufacturing a fiber-reinforced push or pull rod formed of electrically insulating plastic material having flange fittings fastened to respective ends thereof. The push or pull rod...
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4495381 |
Dynamic load bearing transmission line support member
An elongated, insulative tube of high mechanical strength consists of resin bonded glass fibers wound in alternating helical and circumferential winding patterns. The glass fiber convolutions at...
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4491687 |
Method of manufacturing a composite type stay insulator, and an insulator obtained by the method
A composite type stay insulator comprises a central mandrel (4) made of insulating foam and having its ends (5) glued at (6) to two metal end pieces (1). The glue may be optionally conductive or...
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4481056 |
Process for continuous production of shaped bodies of synthetic resin _reinforced with axially parallel fibers
A process for continuous production of shaped bodies of synthetic resin reinforced with axially parallel fibers wherein a plurality of continuous fibers are drawn through spaced apertures in a...
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4467387 |
Combination strut insulator and lightning arrester
An elongated, insulative tube of high mechanical strength is equipped with fittings at each end for electrical connection with a high voltage transmission line and a grounded tower. An external...
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4319076 |
Electrically insulative hollow-profile structural part with high-tension attaching elements and method of constructing same
An electrically nonconducting hollow-profile structural part having a protective cover, preferably made of polyester threads or fibers, with a mechanically supporting glass-reinforced plastic core,...
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4035578 |
High voltage electrical insulators
A high voltage insulator made up of a number of coaxially nested interlocking metal shell-like elements tapered from one end to the other, there being a layer of insulating material arranged...
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4018315 |
Insulated runner for use in overhead electric traction systems
An insulated runner for use in an overhead electric traction system comprises at least one elongate reinforcing body of high tensile strength made wholly or substantially of insulating material,...
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3971128 |
Method for making insulators and insulators thus obtained
A method for making insulators, comprising the steps of forming a bar from a fiber glass mass impregnated with a thermosetting resin, carrying out the complete polymerization or curing...
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3839593 |
TUBULAR INSULATING CONNECTOR FORMED OF WOUND GLASS WIRES
Electrically insulating connection element comprising two armatures forming shoulders, connected by a junction element comprising wires made of an inorganic substance, more particularly glass,...
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3812284 |
ELECTRICAL INSULATOR HAVING ADDITIONAL PROTECTIVE INSULATING PORTION
An electrical insulator having an insulating portion, to which an electrode is applied, whose resistance to leakage currents is greater than the leakage current resistance of the remaining portion...
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3804973 |
INSULATOR LINK
An insulator link formed of an insulator body made of three blocks, each block being formed by superimposed glass fiber cloth sheets compressed together longitudinally of the insulator body; the...
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3703606 |
PIN-TYPE INSULATOR
In a pin-type insulator, one of two channel-shaped conductor-gripping elements is sealed to the outermost dielectric element to transmit to that dielectric element, either directly or via a...
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3617618 |
MULTIRING HOLLOW HIGH-VOLTAGE INSULATOR WITH EXTERNAL AND INTERNAL SHEDS
An insulator for supporting electrical switches, buses and the like in a high-power distribution system is constructed from annular shells or rings having both internal and external sheds with...
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3592959 |
PRESTRESSED ELECTRIC INSULATOR ASSEMBLY
An electric insulator assembly having a ceramic main body compressively prestressed to a high degree and preferably in excess of its design load by an imbedded tensioned, multilayer loop of...
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3582538 |
PRESTRESSED INSULATOR
This disclosure relates to porcelain insulators, particularly post insulators. Such post insulators are subjected to cantilever loads which induce tensile bending stresses in the porcelain....
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3576942 |
ELECTRIC INSULATORS WITH SPIGOTING ELEMENTS
A method and apparatus for developing a column, which column comprises a plurality of substantially conical elements supporting one another in a spigoting arrangement, one seated in the other. The...
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