Abstract: An electrical splice enclosure for enclosing a splice of an electrical cable. The splice enclosure includes an enclosure housing. The housing is formed of a lower housing portion and a cover portion defining a bounded interior therein. The lower housing portion includes a bottom surface, an upwardly extending wall bounding the bottom surface and an open upper surface opposite the bottom surface. The lower housing portion further includes a cable entry opening through the wall for permitting entry of the cable into the lower housing portion. The cover portion is positionable over the open upper surface of the lower housing portion so as to enclose the cable splice within the enclosure housing. The cover portion and the wall each include an encapsulant fill opening for permitting the housing interior to be gravity filled with a curable encapsulant, with the housing being positioned in multiple different positions.

Abstract: A two part range-taking member for providing a seal around a substrate includes a mating pair of resilient components for enclosing the substrate and a co-operating pair of rigid components for urging the resilient components into conformity with the substrate. The member may provide an electrical stress cone for a power cable, for example with two such members being provided in a cable joint.

Abstract: A method for encapsulating segments of signal transmission devices such as splices, pressure blocks and end blocks with a room-temperature curable composition comprising:(1) a hydroxy-functional compound having a molecular weight of greater than 500 and a hydroxy functionality of 2 or more;(2) an epoxy-functional compound having an epoxy functionality of 2 or more; and(3) a curative catalyst, in an amount effective to crosslink the epoxy and hydroxy components of the respective epoxy-functional and hydroxy-functional compounds.

Abstract: A device for repairing and electrically connecting at least two sections of electrical cable includes an elongate connector, for example a tube, having two open ends that are each adapted to receive an end of an electrical cable section. The cable connector has an interior wall longitudinally dividing the cable connector into two portions, each portion having a hollow interior for containing the end of one of the two electrical cable sections. The cable connector also has an orifice in each of the two portions communicating with the hollow interior of that portion. A closure device, such as a threaded plug, is mateable with each orifice.

Abstract: A protective construction for a splice portion of a plurality of wires, comprising: the splice portion in which conductors exposed at end portions of the wires, respectively are welded to each other; a cylindrical cap which is made of resin and has a mouth and a bottom formed at its opposite ends, respectively; and hot melt which is poured into the cap so as to be filled to vicinity of the mouth of the cap when the splice portion has been inserted into the cap.

Abstract: A 15 kv cable joint is enclosed within two half shells filled with sealant material. Displacement or thermal expansion of the sealant is accommodated by various configurations of stress cones that have apertures or surfaces that are flexible and arranged to maintain pressure on the sealant for example during thermal cycling of the joint.

Abstract: A high density electrical termination assembly made by forming a terminal assembly including separate thermoplastic sections having confronting surfaces. An in-line array of conductor receiving slots open through the confronting surface of one of the sections and a plurality of elongate spaced apart energy directors project from and extending along the confronting surface of the other of the sections. Stacking within the grooves portions of the conductors to be connected are stacked within slots in the terminal section. The thermoplastic sections positioned in juxtaposed stacked relationship to each other along the confronting surfaces with the energy directors extending across the slots in axially transverse relationship to the conductors stacked within the slots.

Abstract: A conventional feedthrough connector having a plurality of separate passages is secured in a hole in a bulkhead, followed by feeding separate wire bundles through the separate passages. Two potting dams are secured to the connector, one at each side of the bulkhead. Each potting dam has a collar encircling a projecting cylindrical stem of the connector and tightly secured thereto, and separate integral tubular segments encircling the wire bundles, respectively. The tubular segments are soft pliant material and are gathered tightly around the wire bundles. Settable sealant is injected through a conduit that opens into the collars to fill the collars and the connector passages, and thereby seal the wire bundles in the connector.

Abstract: A method for fixedly attaching covered wires to a load beam during the manufacturing of a head suspension assembly in order to provide an electrical connection to a head slider. The method includes the steps of passing the covered wires through a transparent tube, inserting a filler into the tube at a point where clamping is required, curing the filler, visually identifying the filer location, and clamping the tube at the filer location.

Abstract: A 15 kv cable joint is enclosed within two half shells filled with sealant material. Displacement or thermal expansion of the sealant is accommodated by various configurations of stress cones that have apertures or surfaces that are flexible and arranged to maintain pressure on the sealant for example during thermal cycling of the joint.

Abstract: The present invention relates to a transition for electrical well cable through the wellhead barrier of an underground well leading to an electrical power cable connected to an above-ground electrical power source, where the only connection between the electrical well cable and the electrical power cable is formed outside the wellhead barrier within an area adjacent to the wellhead barrier classified as a hazardous location, the connection being listed and approved for hazardous locations by a nationally recognized testing laboratory, and a method of forming the transition. A confined seal is located in the well around the electrical well cable for blocking the flow of fluid both into and out of the well.

Abstract: A method of protecting a conductive connecting part of a flat cable and a protecting structure of the cable are provided. The method includes a step of connecting conductors of the flat cable to conductors of relay wires at the conductive connecting part, a step of arranging a protective member at the exterior of an insulating cover part of the flat cable, a step of interposing the protective member between opposing molding dies and accommodating the conductive connecting part of the flat cable in a cavity defined by the molding dies in a leak-tight manner, and a step of supplying insulating material in the cavity for an insert molding. The protecting structure includes the conductive connecting part, the protective member and the insulating member for enclosing the conductive connecting part together with a leading end of the protective member. The insulating member is formed by insert molding.

Abstract: An apparatus and process for splicing electrical wires that are to be exposed to an adverse environment. The apparatus includes a connector, an insulating sleeve adapted to retain the connector, and an encapsulant. The encapsulant, which is disposed within the insulating sleeve, has a cone penetration value of 100 to 350 (10.sup.-1 mm) and an ultimate elongation of at least 200%.

Abstract: An apparatus and method for connecting the end portions of electric wires to each other prevents the generation of a respiratory action in the connected end portions of the electric wires and thereby improves connection quality and connection working performance, and reduces the size of the connected portions. Insulating coatings of the end portions of electric wires are removed to provide exposed conductors. The exposed conductors are collected and integrated into a collective conductor and a tapered insulating cap having an opening at one of its ends is fitted over the collective conductor with portions of the insulating coatings adjoining the collective conductor.

Abstract: A waterproof protective cover includes an upper casing member having bores formed at both endwalls in a longitudinal direction thereof to pass the electrical wires therethrough and a lower casing member pivotably connected to the upper casing member through a hinge attached to each sidewall of the upper and lower casing members. The lower casing member also has bores formed at both endwalls in a longitudinal direction thereof to pass the electrical wires therethrough. A storage chamber is defined by the upper and lower casing members when the former is engaged with the latter. Being filled up with an insulating sealant, the chamber serves to accommodate a connection part of the connected wires. A reservoir chamber for receiving the insulating sealant flowing out of the storage chamber is arranged between the bores of the upper and lower casing members and the storage chamber. Further, the upper casing member has a seal plate formed on a sidewall thereof.

Abstract: A buried service splice enclosure for sealing a splice of telecommunication cables comprises a closure defining an interior space for accommodating the cable splice and defining an opening for receipt of the splice therethrough. A closure seal sealably closes the closure opening and has apertures for receipt therethrough of the cables. Means are provided for sealing the closure seal to the closure and for sealing the cables to the closure seal at the apertures. An inlet fitting, such as a check valve, communicates with the closure interior space and is adapted to receive and pass an encapsulant under pressure into the interior space. An outlet fitting, such as a pressure relief valve, also communicates with the interior space, the pressure relief valve adapted to pass the encapsulant therethrough when the encapsulant is exposed to a predetermined pressure in the closure interior space.

Abstract: The invention generally relates to the protection of telecommunications and electrical devices, such as terminal blocks, with gelled oil compositions that employ aluminum complex soaps as gelling agents. The telecommunications devices are typically installed in an enclosure, filled with the gelled oil composition, to protect the device from moisture and corrosion. The gelled oils also include an oil component, a bleed inhibitor of polybutene, and optional amounts of antioxidant and pour point depressant.

Abstract: A waterproof protective cover includes an upper casing member and a lower casing member pivotably connected to the upper casing member through a hinge. When the upper casing member is fitted to the lower casing member, a storage chamber for accommodating a connection part of connected wires is defined by the casing members. The upper and lower casing members are provided on respective interior walls thereof with reinforcement ribs which extend in the longitudinal direction of the casing members and which are positioned between the electrical wires accommodated in the casing members. With the arrangement, it is possible to increase the rigidity of the upper and lower casing members.

Abstract: An electrical cable holding case that can prevent a charged resin material for sealing from cracking by blocking the sharp bending of electrical cables when they are taken out of the case is provided. An electrical cable holding case includes a cylindrical case main body and a lid-like rear holder having electrical insertion holes and resin charging holes. Electrical cables taken out of the case main body via the electrical cable insertion hole of the rear holder are embedded by resin molding from the case main body to the outer surface of the rear holder to hold the electrical cables so as to be watertight. Electrical cable support walls are arranged at the edges of the electrical cable insertion holes outside the rear holder.

Abstract: A waterproof construction of a wire for a motor vehicle, which wire has one or more strands and an insulating coating surrounding the strands and is connected to a nonwatertight terminal including a terminal fixed directly to a body of the motor vehicle and a terminal mounted on a nonwatertight connector, wherein at a portion of the wire between its location connected to the nonwatertight terminal and a first branch point, the insulating coating is removed from the wire so as to expose the strands and waterproof material is filled among the strands such that an insulating and waterproofing coating member is wound around an outer periphery of the waterproof material.

Abstract: Flame retarded organopolysiloxane gels suitable for sealing and protecting electrical contacts include (i) an organopolysiloxane gel having repeat units of the structure ##STR1## where each R is independently phenyl or C.sub.1 -C.sub.4 alkyl or fluoroalkyl, at least 40% of the R groups being phenyl; and (ii) an additive package mixed with the organopolysiloxane, which is (a) zinc oxide; (b) antimony oxide; (c) a brominated compound having a molecular weight of at least 450 and a bromine content of at least 40 weight %; (d) a chlorinated compound having a molecular weight of at least 300 and a chlorine content of at least 40 weight %; or (e) combinations of the above. The additive package is used in an amount between about 10 and about 60 parts by weight per 100 parts by weight of organopolysiloxane.

Abstract: A method and a device is provided which allows the connection of coaxial cable termini to one another with minimum long-term loss of RFI shielding. The method comprises the removal of metal oxides from the concentric conductor portions of the two cable termini, applying a sealant to the concentric conductor termini and then connecting the central conductor termini to one another and the concentric conductor termini to one another. The device comprises a collet structure dimensioned to slip over the outside of a standard connection jack. Within the collet structure is disposed a quantity of sealant and the collet structure has at least one aperture through which sealant oozes from the collet structure to the exterior of the collet structure. When the collet structure is attached to the jack, the sealant is caused to ooze onto the concentric conductor thereby sealing the concentric conductor from the ambient.

Abstract: A blockstop which is formed by kneading a curable, water-resistant kneading compound tightly onto the end of the cable and then covering the compound with a shrinkable envelope. Preferably the kneading compound is applied in three layers and the shrinkable envelope is a cold shrinkable tape wound onto the outer layer.

Abstract: A method of terminating a wire comprises the steps of (i) winding the wire around a an end portion of a terminal, (ii) placing a plastic sleeve having a first cavity into a second cavity in an ultrasonic horn, (iii) inserting the portion of the terminal around which the wire is wound into the first cavity of the plastic sleeve while the plastic sleeve is within the second cavity in the ultrasonic horn, (iv) activating the ultrasonic horn causing the plastic sleeve to melt and flow around the terminal and wound wire, (v) deactivating the ultrasonic horn, and (vi) removing the terminal and coil from the horn.

Abstract: An electrical crimp connector (1) comprises a crimp barrel (3) located within an insulating sleeve (4), and a quantity of gel (5) located within each end region of the insulating sleeve at each end of the crimp barrel. Each quantity of gel contains an aperture (10) to allow wires (2) to be inserted into the crimp barrel. Once the connector has been crimped, the gel located within each end region of the insulating sleeve seals it against moisture ingress, forming a moisture-resistant electrical connection.

Abstract: A method for waterproofing a junction of branch wires with a main wire by enclosing the junction in a plastic cover containing a putty sealant and filling the inside of the cover with the sealant and a cover therefore are disclosed, the method comprising providing projections n and m on the inner side of cover l by which parallel wires b enfolded in the cover are vertically shifted or the parallel wires are not only vertically shifted but laterally spread by the projections to make enough space between adjacent wires b for letting the putty sealant in.

Abstract: A close-fitting box (110, 120 FIG. 3) maintains a sheet (100) of mastic in sheet form for wrapping around a cable splice (FIG. 7) to supply large volume of mastic to fill the enclosure formed by applying a heat-shrinkable sleeve (250, FIG. 11) around the mastic-wrapped splice.

Abstract: A sealing compound consisting of one-part liquid type moisture curing resin is covered airtightly with a permeable wall member forming a container, so as to harden together with the connecting portions of electric wires or the like by exposing the sealing compound to environmental moisture when inserting the connecting portions into the container.

Abstract: An environmentally sealed enclosure for encapsulating an in-line splice between cable segments. Cable gripping apparatus in the housing limits movement of the cable relative to the housing to prevent separation of sealant from a cable when a cable is positioned to extend through the entrance into the housing. Walls of top and bottom shell segments are configured to be locked together for forming an enclosure containing encapsulant for protecting the splice.

Abstract: An apparatus and method for protection of electrical contacts as well as a process for splicing electrical wires that are to be exposed to an adverse environment. The protection apparatus ensures that the electrical contacts are protected when they are otherwise located in an adverse environment. In a particular embodiment, the apparatus includes a connector, an insulating sleeve adapted to retain the connector, and an encapsulant. The encapsulant, which is disposed with protection apparatus, e.g. the insulating sleeve, has a cone penetration value of 100 to 350 (10.sup.-1 mm) and an ultimate elongation of at least 200% and preferably an elastic modulus of less than 10.sup.7 dynes/cm.sup.2.

Abstract: A steam and liquid sterilizable assembly of electrical and optical fiber cables within a sealed polymer housing which features sealed joints and conductive traces between and through components. At least one optical fiber cable is sealed into a metal ferrule by an organic resin and the ferrule then sealed by soldering into a laminated, multilayer organic polymer disc or board. At least one electrical cable is soldered to one surface of the disc or board to a conductive trace which connects through and between the layers of the disc or board to a conductive electrical contact on the opposite surface of the disc or board. The disc or board with the optical and electrical contacts is embedded in a molded polymer housing. The assembly is useful in endoscopy applications.

Abstract: An apparatus and method to pressure seal cable splices utilizing a forced encapsulant, the apparatus comprising a sleeve having an interior and exterior surface, a first end, a second end and a longitudinal slit having a longitudinal edge along each side thereof. The slit can be widened and thereby alter the diameter of the sleeve. A pair of locking flanges are secured to the exterior surface which extend longitudinally adjacent each side of the longitudinal edge and which may be cammed together to close the longitudinal slit. An inner flange is located along one longitudinal edge of the longitudinal slit which extends peripherally and is adjacent the inner surface of the sleeve when the pair of locking flanges are releasably secured together. An end cap is located at each of the sleeve ends and each has at least one opening therein to permit the passage of a cable therethrough. The apparatus includes camming brackets to secure the locking flanges adjacent one another.

Abstract: A method for sealing cable conduits utilizes a spray nozzle which includes at least two compartments for holding chemical compositions in a spaced apart while a piston is utilized for simultaneously forcing the chemical compositions out of the compartments and into an elongate nozzle for commingling the chemical compositions and introducing the commingled compositions into the end of a cable conduit in a direction generally perpendicular to an axis of the elongate nozzle to cause complete wetting of the conduit inner surface with the commingled composition before foaming thereof.

Abstract: A plug that makes it possible to fix in an impermeable manner an electric or telephone cable (2) to a circular opening (4) for passage of the cable. It comprises a hollow body (5) constituted by two shells intended to be fixed around the cable (2) and comprising at least two jaws (6, 7) which are retained radially in the body (5). Each jaw comprises a central opening (10, 11) for passage of the cable (2) and is supported radially on this cable at the time of fixing by clamping of the two shells to one another, the two jaws defining between them a chamber (12) intended to be filled with a sealing material. The hollow body (5) has structure for fixing it in a removable and impermeable manner to the circular opening (4) for passage of the cable.

Abstract: An electrical cable in-line or branch joint has hydrophobic material located around the connections of the conductors so as to act as a water block. The hydrophobic material is physically prevented from being forced away from the connections into the cables, for example by pressure of water within the cable, by a fibrous material located in and around the crutch regions where the conductors emerge from the cable joints.

Abstract: An electric wire holding case which prevents oil from leaking through an electric wire extending into the oil cover of a transmission case or the like. A body and a lid-like holder are included; a partition wall having electric wire insertion holes is provided inside the cylindrical portion of the body; partition chambers are defined on the wall in such a manner that the chambers communicate with the holes at one end of each of the chambers and are open at the other ends thereof; the holder has electric wire insertion holes, and resin injection holes; an engagement member is secured to the exposed portion and accommodated in the chamber corresponding thereto; the chamber is closed at the latter end thereof by the holder; and the resin, which has a softness after being set, is filled into the chamber through the resin injection hole and solidified in the chamber.

Abstract: Water-resistant electrical splice enclosure characterized by a tube for a contained wire connector, wherein a cone presenting flexible lock fingers is insertable into the open end of the enclosure tube to permit passage and entry into the tube of connectors of different size, to resist removal of a connector out of the tube, and to restrain or limit displacement of the waterproofing composition which may be present.

Abstract: A protective enclosure for use with one or more electric cables, comprises first and second elongate casings juxtaposed along respective end surfaces thereof to define a housing with an open interior, at least one electrical cable disposed in the housing interior in an encapsulant, the encapsulant filling the housing interior. At least one end closure is disposed in the housing and defines a cable passage therethrough, the cable being resident in part in the cable passage. Seal-effecting structure for providing sealed relations between the first and second casings, between the end closure and the first and second casings and between the end closure and the cable part, is inclusive of a cover plate disposed in confronting relation to the end closure and movable relative thereto.

Abstract: A steam sterilizable and liquid sterilizable cable assembly comprising an electrical cable and a connector at either end, one connector adapted to connect to a measuring device and the other to a recording device, in which the exposed wires of the cable ends and the exposed leads in the connector are embedded in epoxy resin which seals the leads and wires from contact with steam or liquid, and if either the primary insulation or the jacket of the electrical cable is impervious to steam and sterilizing liquid.

Abstract: A partially stripped reinforced electric signal cable and processes for its manufacture and termination by use of an easily-removable hardenable reinforcing material which allows maintenance of conductor alignment and manipulation during termination of the cable with removal of the reinforcing material during the termination process in order to facilitate completion of the termination.

Abstract: A connecting device includes a body with an open end, a closed end and a body bore extending therebetween. A core includes an open end, a closed end and a core bore extending therebetween. The body bore is partly filled with potting compound in proximity to its closed end. The device has a closed position with the core inserted into the body bore and the core open end embedded in the potting compound to form a hermetically sealed pocket in the core bore. The body closed end has wire passages which receive wires therethrough. The wires are electrically connected in the sealed pocket. A method of connecting wires includes the steps of providing a body, providing a core telescopically receivable in the body, partly filling the body with potting compound, extending wires into the body and through the potting compound, connecting the wires, inserting the core into the body over the connected wires and forming a hermetically sealed pocket in the core bore.

Abstract: A simple and inexpensive mineral insulated cable termination comprises a flexible plastics tube which at one end fits over the cut-back sheath of the cable and which at the other end is closed by an end wall spaced from the surface of the cable, each cable conductor passing through one of a plurality of throughbores in the end wall and, filling the space within the tube, waterproof electrically insulating compound. At a first position around the circumferential wall of the tube, the wall is slit throughout its length and radial thickness and at one position or at each of two positions circumferentially spaced from said first position the wall is adapted to constitute a hinge extending throughout the length of the wall. The abutting longitudinally extending parts of the wall at said first position are so shaped one effects a snap-fit with the other throughout the length of the tube.

Abstract: A stripped reinforced electric signal cable and processes for its manufacture and termination by use of an easily-removable hardenable reinforcing material and a slotted supporting tray which allows maintenance of conductor alignment and manipulation during termination of the cable with removal of the reinforcing material during the termination process in order to facilitate completion of the termination.

Abstract: A termination assembly is disclosed providing a substantially watertight, yet field serviceable interface to a plurality of electrical splices. The termination assembly includes a housing having an anchor portion for receiving and fixing a multi-transmission line cable therein, a ported sleeve for cradling the transmission lines, and a shell for providing field access to the splices between the transmission line in the interior of the housing. A resinous epoxy, together with O-ring seals and heat shrink tubing provide redundant protection against the invasion of water into the housing along the transmission lines.

Abstract: A tight buffered optical waveguide fiber having improved strippability is provided. The fiber includes a core, a cladding, a first protective coating in contact with the cladding, an interfacial layer in contact with the first protective coating, and a buffer layer in contact with the interfacial layer. The interfacial layer comprises a solid lubricant such as sub-micron particles of polytetrafluoroethylene (PTFE) in a film-forming binder. The concentration of particles at the external surface of the interfacial layer is preferably greater than the concentration at the internal surface so that the interfacial layer is more adherent to the first protective coating than to the buffer layer. This differential adhesion facilitates the manufacturing process while still allowing long lengths (e.g., a foot or more) of either the buffer layer or both the buffer layer and the first protective coating to be removed from the cladding without damage to the fiber's physical and optical properties.

Abstract: A hermaphroditic enclosure especially adapted to gel seal an elongate substrate and particularly a coaxial cable splice.

Abstract: The invention provides for a modularized terminal block and an improved method of manufacturing the modular block. The block permits the connection of a plurality of drop wires or other devices in a reversible manner through the use of a standardized plug in module configuration. The module can be optimized for a given drop wire range which then uniformly uniformly connects to the base block through a standardized demateable contact.

Abstract: The rubber sealing cap of a mineral insulated cable termination has embedded in the circumferential wall of the cap effecting a circumferentially continuous, fluid-tight fit around the cut-back sheath of the cable, a resilient metal sleeve which protrudes from the end face of the tube and which has at its free end an inwardly extending flange which mechanically engages with the cable sheath and which is so inclined with respect to the cable sheath as to restrain the cap against removal from the cable. The protruding flange preferably has at its free end a plurality of circumferentially spaced teeth which engage with the cable sheath.

Abstract: An apparatus and process for splicing electrical wires that are to be exposed to an adverse environment. The apparatus includes a connector, an insulating sleeve adapted to retain the connector, and an encapsulant. The encapsulant, which is disposed within the insulating sleeve, has a cone penetration value of 100 to 350 (10.sup.-1 mm) and an ultimate elongation of at least 200%.

Abstract: A cable splice assembly for connecting and branching cables, particularly telecommunication cables. The cable splice assembly includes a splice assembly pipe and sealing members with cable passage openings for insertion in the end faces of the pipe sleeve. The sealing members are transversely divided into sealing member halves which include semicircular sealing elements which line the cable passage openings. The sealing members each have two cable passage openings which are spaced from each other at a predetermined distance in longitudinal direction of the cable. An injection chamber suitable for all cables is provided between the front and rear cable passage openings. The sealing member halves have tongue and groove connections in the abutting edge surfaces. The sealing member halves can be clamped to each other. Individually removable bearing shells are placed in the cable passage openings in order to adapt the openings to different cable diameters.