Abstract: End moldings for high-voltage cables are described wherein the dielectric insulator of the cable is heated and molded to conform to a desired shape. As a consequence, high quality substantially bubble-free cable connectors suitable for mating to premanufactured fittings are made. Disclosed is a method for making the cable connectors either in the field or in a factory, molds suitable for use with the method, and the molded cable connectors, themselves.

Abstract: A terminal-processed structure of a shielded cable is so simple that the shielded cable becomes easy for use. In a shielded cable, core wires covered by a first insulating layer are sheathed by braided metallic wires on the outer periphery thereof and are further covered by a second insulating layer on the braided metallic wires. The braided metallic wires are exposed at one end of the shielded cable. A hard sleeve-like body is inserted beneath the exposed, braided metallic wires. A conductive sleeve-like body is crimped onto the exposed, braided metallic wires on the one end of the shielded cable. The conductive sleeve-like body crimped on the one end of the shielded cable is attached to a conductive casing by a conductive band or ring when the shielded cable is used. Thus, the braided metallic wires are electrically communicated with the casing.

Abstract: A seal for sealing between a cable and a casing enclosing part of the cable includes a wall member having a plurality of substantially concentric removable portions which may selectively removed to provide a cable aperture of required diameter through the wall member. The seal also includes sealing material retained by the wall member, which seals, in use, around a cable extending through the cable aperture in the wall member. When a removable portion of the wall member is removed, a corresponding portion of the sealing material is also removed, thereby providing a cable aperture of the required diameter through the sealing material.

Abstract: A coaxial connector is provided for a coaxial cable having an inner conductor, a dielectric member and an outer conductor which is made of a metal thin film. The coaxial connector comprises a connector pin electrically connected to the inner conductor, a cylindrical connector body formed with a through bore having part of said connector member and one end portion of the coaxial cable received therein, a cylindrical housing rotatably mounted around and in concentric and radially spaced relation with the cylindrical connector body so as to have the cylindrical connector body and the coaxial cable held at a standstill to each other, a tubular conductor having a cylindrical wall portion having a thickness larger than that of the outer conductor of the coaxial cable. The tubular conductor is interposed between the inner surface of the body and the outer surface of the coaxial cable in concentric and radially spaced relation therewith.

Abstract: An electrical conductor terminating arrangement such as an electrical connector includes a contact-making element which makes good contact with an electrical conductor in response to axial pressure displacement over the contact-making element of a displaceable element to exert a radial force on the contact-making element and to co-operate therewith for providing ongoing pressure engagement between the contact-making element and the electrical conductor without the need for the continuance of axial pressure on the displaceable element after a predetermined axial displacement of the displaceable element.

Abstract: A braid termination structure having an outer ring with an inner profile for fitting over the shielding braid for electrical and mechanical engagement therewith and being affixed to a shielding shell of an electrical connector wherein the braid is positively captured in an outer ring and is fixed thereto by welding.

Abstract: A connector sealing sleeve for use with a coaxial cable box and a coaxial cable connector, the coaxial cable box being of the type having a base and a threaded post and the coaxial cable connector being of the type having an endface and internal threads for threaded engagement with the threaded member of the coaxial cable box, with the connector sealing sleeve being non-cylindrical and including a first sealing surface for engaging and sealing against the threaded post of the coaxial cable box and a second sealing surface for engaging and sealing against the endface of the coaxial cable connector, with the second sealing surface having an annular surface.

Abstract: A splicing device for connecting two electrical cables by forming a splice, each electrical cable including a sheath, a cladding and at least a first primary wire and a second primary wire. The cladding is surrounded by the sheath and surrounds the at least two primary wires. The splicing device includes a first electrical connector for connecting together the first primary wires of the two electric cables, and a second electrical connector for connecting together the second primary wires of the two electric cables. The splicing device further includes a first insulating sheath for covering the first electrical connector of the first primary wires, the first insulating sheath being made of a first material, and a second insulating sheath separated from the first insulating sheath for covering the second electrical connector of the second primary wires, the second insulating sheath being made of the first material.

Abstract: A duplexer, useable to interlink the receiver, transmitter and antenna units of a microwave transmit/receive system takes the form of a "T" junction coupling device and three coaxial lines extending from junction ends at such device to coaxial end connectors on the ends of such lines away from such device. The "T" junction coupling device comprises a copper block having a central cavity and three bores leading into such cavity, a copper cap to close the top of such cavity, a copper disc disposed in said cavity away from its walls and containing a central space and three passages leading into said spaces and corresponding to said bores, and three brass ferrules for such lines. The ferrules are seated on the junction ends of such lines and are soldered to their outer conductors and are pressed fitted into the three bores. The inner conductors are received in the three passages in the disc and are all soldered thereto.

Abstract: A compact, flexible, communications cable capable of electrical and optical signal propagation simultaneously is provided. The electrical signal is carried by coaxial inner and outer conductors of metal having suitable conductivity which surround and enclose a centrally disposed optical fiber conductor. The cable allows electrical signal propagation over a bandwidth from about 60 cycle D.C. or A.C. as well as radio frequency and microwave signals up to about 100 gigahertz without appreciable signal loss.

Abstract: A coaxial connector (10) for a coaxial cable (100) having a corrugated outer conductor (108), including one which is helically corrugated. An adapter (40) of the connector can include a crimpable sleeve (44) within which is a bushing (70) initially having an axial slot (72) of selected dimension. The inner surface (74) of the bushing is fluted defining ridges and grooves (for cable of annular corrugation), or a continuous helical ridge (76) and associated groove (78) defining a thread of corresponding pitch, and general inner diameter permitting cable insertion. Upon full threading of the cable end into adapter (40), crimp sleeve (44) is crimped thus closing axial slot (72) and stopping the crimp process to achieve a minimum desired inner diameter. The adapter may be a discrete subassembly and securable to a forward connector portion in modular fashion by complementary threaded flanges (32,46).

Abstract: An electrical conductor terminating arrangement such as an electrical connector includes a contact-making element which makes good contact with an electrical conductor in response to axial pressure displacement over the contact-making element of a displaceable element to exert a radial force on the contact-making element and to co-operate therewith for providing ongoing pressure engagement between the contact-making element and the electrical conductor without the need for the continuance of axial pressure on the displaceable element after a predetermined axial displacement of the displaceable element.

Abstract: This invention involves an apparatus for terminating conduit, cable, and braided bundle in which the termination is accomplished with an interference fit between a collar and an end fitting. Once assembled, the conduit, cable, or braided bundle is compressed between the collar and the end fitting such that the final assembly can withstand the required level of axial and transverse force for the application, but not so much that the conduit, cable, or braided bundle loses its structural integrity.

Abstract: A contact device for a cable comprising one or more inner conductors with inner insulating sheath and a common shield with outer insulating sheath, comprises a connection terminal for the shield and a connection element for each inner conductor. Further a guiding element and a stop element are provided for each inner conductor. The guiding element directs the corresponding inner conductor with its insulating sheath at the corresponding stop element in such a manner that during insertion of the cable into the contact device the inner insulating sheath is axially compressed by the stop element by the stop element. Seen from the corresponding guiding element each connection terminal for an inner conductor lies beyond the corresponding stop element. By application of this contact device it is no longer necessary to remove the inner insulating sheath.

Abstract: A method for electromagnetically shielding the end of a rigid cable (10) containing a large number of conductors to provide increased bending flexibility is disclosed along with a ground strap assembly (24). Ground strap assembly (24) is designed to shield a cable (10) that consists of a plurality of insulated conductors (18) surrounded by one or more conducting shields (14) (16) and outer insulating sheath (12). A portion of the outer insulating sheath (12) is removed to expose a protruding portion of conducting shield (14). The protruding portion of conducting shield (14) is folded back along a remaining portion of outer insulating sheath (12) thereby exposing the ends of the conductors. Ground strap assembly (24) comprises a braided conducting ground strap (26) that has a cable end portion (32) extending to a central portion (34). Central portion (34) extends to grounding portion (36).

Abstract: Crimp hull for an electrical cable with a peripheral screening against external electrical and/or magnetic influences, where the crimp hull comprises two pieces and has an outer collar to connect the cable screening to the ground connection.

Abstract: Two electrical conduit sections are attached to a thermal expansion joint which permits relative axial movement between the conduit sections. One of the conduit sections has an end portion which is axially slidably disposed inside of the expansion joint. A ring shaped grounding element is mounted on a screw thread formed in that slidable end portion and is disposed in sliding connection with a cylindrical surface of the joint which surrounds the slidable end portion.

Abstract: An effective grounding of electrical equipment, electrical cables, housings, and the like, is accomplished by connector lugs that are initially formed as an integral part, for example, of a connecting sleeve that surrounds a protective casing or an envelope of a cable in a crimping manner. The lugs are only bent out of the sleeve or housing portion or the like when needed. A grounding conductor is then secured to the lug, for example, by a screw connection or by a plug-in connection or the like. The present lugs may be incorporated in all systems that are provided for protection against surge currents or excessive voltages produced by a thunderstorm, especially in a vehicle or a craft, e.g. an aircraft.

Abstract: A coupling of severed antenna wires is arranged to include a heat shrink tube having low temperature solder core arranged to secure respective first and second cable antenna wires together, wherein a metallic mesh connecting tube is arranged to electrically interconnect first and second cable mesh shields. An outer tubular insulative tube of flexible construction is arranged to surround the abutting end portions of the first and second antenna cables joined together.

Abstract: A coaxial conductor includes a BNC coax connector, a coaxial cable and a sleeve. The coaxial cable has a center conductor, a braided outer conductor, a dielectric which separates the center conductor from the braided outer conductor and an insulating jacket which is provided around the braided outer conductor. One end of the insulating jacket is stripped so as to expose a portion of the braided outer conductor. The exposed portion of the braided outer conductor is pulled over the insulating jacket so as to expose a portion of the dielectric. The exposed portion of the dielectric is stripped so as to expose a portion of the center conductor which is extended into a tubular inner conductive portion of the coax connector so as to connect electrically therewith. The sleeve has a front end with a wide tubular part which engages a tubular outer conductive portion of the coax connector and a rear end with a narrow tubular part.

Abstract: A brass strap is utilized as a common grounding bar for the shields of a plurality of coaxial cables. The individual coaxial cables pass through holes in the common grounding bar, and the inner conductors are connected to the pins of a printed circuit board connector.

Abstract: There is provided an olefin resin composition for power cables which contains an olefin resin and m-(tert-butylperoxyisopropyl)-isopropylbenzene and/or p-(tert-butylperoxyisopropyl)-isopropylbenzene. A crosslinking agent of this resin composition is suitably used for at least one of layers including semiconductor layers and an insulation layer in the power cables or around conductors at a joint between the power cables, whereby the high-temperature properties of the power cables can be improved.

Abstract: A high-temperature, low-noise coaxial cable assembly with high strength reinforcement braid is depicted and described. The cable assembly has very low self-noise generation and is particularly useful for telemetry and instrumentation purposes. Also, the cable assembly offers a tensile strength about an order of magnitude greater than conventional cable assemblies, and resultant improved service life and durability.

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 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: An inner conductor contact for connecting one end of a braided inner conductor of a coaxial cable with one end of an inner conductor of a coaxial plug, with the inner cable conductor enclosing a core which is retracted relative to the end of the inner cable conductor, includes a support element insertable in the inner cable conductor and having the same diameter as the core. The support element is adapted for connection with the core at the core-near side thereof via a bolt and with the inner plug conductor at the core-distant side thereof by means of a prolongation which is connected to the support element via a conical shoulder and thus is of smaller diameter than the support element. The part of the inner cable conductor extending along the shoulder and prolongation is surrounded by a metal bushing which receives the respective end of the inner plug conductor to provide the electric connection between the inner cable conductor and the inner plug conductor.

Abstract: A coupling for one end of screened conduit has two brass cones which are nested together and through which extend screened cables. Several apertures are formed around the inner cone which open into the space between the two cones. The braiding of each cable is stripped to one side and threaded through individual apertures so that it extends into the space between the cones. A threaded clamping nut urges the two cones together so that the braiding is clamped between them and good electrical connection is made.

Abstract: A cable and termination for high voltage and high frequency current carrying applications includes an inner conductor having a sheath of braided metallic wire and a cylindrical core of flexible material extending within the sheath and supporting the sheath to prevent reduction in diameter of the sheath in response to tensile forces applied to the cable. The core includes one or more wire filaments connected to bear a portion of tensile forces applied to the cable. The inner conductor is encased in an outer insulation assembly which includes a conducting layer, spaced from the sheath and connected for ground return. The cable includes a termination assembly having a socket, connected to the sheath and wire filaments, for receiving an inner conductor of a complementary termination assembly.

Abstract: The invention provides a method for precisely joining two sections of dielectric waveguides to form a waveguide joint, wherein such waveguides comprise a dielectric core, preferably of polytetrafluoroethylene (PTFE), one or more layers of dielectric cladding, preferably of PTFE, wrapped around the core, and one or more shielding layers wrapped around the cladding. A precise joint is provided wherein the two joined sections of waveguide are precisely oriented axially, radially and rotationally with respect to each other.

Abstract: A corrona test set has at least a reactor and power separation filter placed in an oil-filled conductive tank of a conductive material such as sheet steel. The exciter optionally may also be placed in the same tank enclosure which is of much smaller size than the equivalent voltage rating rest set in air. High voltage taken from the circuit passes out of the tank through high voltage bushings. A preferred form of bushing is a quick coupling cable receiving device having an insulator extending into the tank and a frustoconical metallic extension extending away from the tank with a tubular internal wall connected to these respective parts at opposite ends to form a further oil-filled compartment separate from the tank.

Abstract: An apparatus for disintegrating calculi situated in the body of a life form having a cable with a shielded middle conductor connecting a pulse generator and a shock wave generator. The connecting cable is a triaxial cable that has a middle conductor having two concentric shieldings. The middle conductor and the first shielding form forward and return conductors and the second shielding is connected to ground at both ends.

Abstract: An improved electrical test probe has a electrically conductive strain relief adapter mounted on a substrate for accepting a conductive cable having a central conductor and an outer shielding conductor separated by a dielectric layer. The conductive cable is inserted into the strain relief adapter with the outer shielding conductor in electrical contact with the adapter. The substrate is disposed within an electrically conductive elongate hollow body with the body being deformed proximate the location of the strain relief adapter to secure the substrate in the body and to provide electrical continuity between the outer shielding conductor and the substrate and the outer shielding conductor and the hollow body. The adapter further provides strain relief for the center conductor of the conductive cable and mechanical support for the substrate.

Abstract: In providing a coaxial cable having reinforcing strands with a Kellems grip onnector, a length of the outer sheath is initially removed to expose the core, reinforcing strands and metallic braid. The exposed strands are formed into a multiplicity of bundles which are initially folded away from the end of the cable, and a metallic washer is placed over the exposed core and conductively bonded to the metallic braid. A Kellems grip connector having a connector element and a cylindrical mesh compression sleeve is inserted onto the core, and the sleeve extends over the washer and the strands. The washer is conductively connected to the connector of the Kellems grip connector which is spaced closely thereto. The bundles of strands are pulled outwardly through peripherally spaced openings in the mesh sleeve and looped about the intersections of the wires of the sleeve adjacent the connector.

Abstract: According to this invention a central conductor of a probe is connected to that of a coaxial cable by joining a shell and cylindrical metal fitting. An end of an inner insulator of the coaxial cable enters a larger diameter portion of an elastic cylinder which fits in a fixed position of the cylindrical metal fitting, a central conductor of the coaxial cable stretching further to penetrate a narrower diameter portion adjacent to the larger diameter portion. A pin is pressed into the narrower diameter portion from the other side of the larger diameter portion side. By this operation the central conductor is held tightly between the surfaces of the narrower diameter portion and the pin. When the connection of the probe and cylindrical metal fitting is completed, the pin deforms the elastic cylinder so that the central conductor of the probe contacts tightly with the pin, which enables complete conductivity between the central condutors.

Abstract: This invention relates to a coaxial cable connector assembly in which a coaxial transmission line terminator is attached to an armor sheath and bushing. This assembly provides for easy adjustment so that the length of the coaxial transmission line matches the length of the protective armor. The invention provides for a coaxial cable and terminator, the coaxial cable, a metallic braid, and a cable terminator having a void space capable of receiving an end of the coaxial cable and a jacket surrounding substantially all of the braid of the cable and abutting the cable terminator.

Abstract: An arrangement for termination of a screened cable comprises:(a) a termination piece for the screen having a hollow, preferably metal, cable entry portion that can be positioned around the wire(s) of the cable, and(b) a dimensionally recoverable hollow article which can be positioned over at least part of the cable entry portion and the proximal part of the cable extending from the cable entry portion.The cable entry portion is provided with a gripping member, for example a thin annular ridge, for gripping the cable screen, placed around the entry portion. After the cable screen has been positioned over the cable entry portion and gripping member, the recoverable article is positioned over the cable and cable entry portion and is recovered to cause the gripping member to grip the cable screen.

Abstract: A method for terminating a coaxial electrical cable by dip-soldering a metal ferrule to the outer braided shield surrounding an end.

Abstract: A microwave collinear antenna array applicator for in situ or in vivo treatment of tumors and/or other materials by hyperthermia is disclosed. The array consists of a plurality of harmonically related resonant coaxial antenna elements connected electrically in series to provide uniform heating along the entire length of the array. At the distal end of the array, a resistor may be provided at the inner conductor for steering the heating pattern. At the proximal end of the array, an impedance matching dielectric structure is provided to enable maximum power transfer to the array and to minimize stray leakage currents along the outside of the coaxial transmission line. The array may be made longer or shorter without changing frequency and therefore, depth of penetration by simply adding or subtracting half-wave resonant elements or sections of coaxial transmission line. A lossy sleeve member may be provided around the applicator to provide a localized source of heat.

Abstract: A system for protecting exposed portions of an electric cable mounted in an electrical connector from detrimental components, such as liquids and gases, by inserting a movable sealing material into a cavity in the electrical connector and displacing the movable sealing material during the insertion of the electrical cable into the electrical connector so as to form an effective seal between the outer surface of the electrical cable and the inner surface of the electrical connector to prevent any detrimental components from entering into the electrical connector and attaching a continuous glob of movable sealing material to close an opening in the electrical connector so that, when an electrical cable is mounted in the electrical connector with the bared end portion passing through the glob of movable sealing material, exposed portions of the electrical cable will be protected by the movable sealing material.

Abstract: An electrical connector comprises; a conductive outer shell 2 for releasable connection with an electrical coaxial cable, a dielectric body 3 coaxially surrounded by the outer shell, and a conductive center contact 4 coaxially surrounded by the dielectric body and having an electrical contact portion 14 for releasable connection with the coaxial cable and an electrical terminal portion 13 for connection with an electrical circuit, characterized in that, the center contact has a portion having a roughened outer surface 18, the dielectric body engages the center contact and has a portion flowed into interlocked engagement with the roughened outer surface.

Abstract: A gas pressurizable coaxial cable and termination fitting assembly in which a shroud means of the fitting is sealed to the jacket and extends beyond the jacket end to surround an end portion of a coaxial conductor assembly. The termination fitting also includes an annular dielectric plug which concentrically surrounds the inner conductor. The plug is resiliently compressible to seal against the inner conductor under a radial pressure exerted upon the plug and to release itself when the pressure is removed. A holding device is detachably mounted to hold the plug in a sealing position and also to form an airtight seal with the shroud means. The holding device engages one axial side of the plug to compress it against an abutment surface and opposing radial surfaces of the plug and device also apply a radial pressure to the plug.

Abstract: The compressive force which the gripping means of a connector assembly, having a nut portion rotatably securable to a body portion, can exert upon a coaxial cable in limited to a pre-determined value by a frangible torque transmitting section, fracturable at a known shear strength, intermediate the body portion engaging section and the tool receiving section of the nut.

Abstract: A cable connector for coaxial conductors which includes an elongate composite housing with independent axially spaced gripping devices for the surface of the respective conductors. The gripping devices are rendered operative by the movement of the housing parts into assembly and sealing relationship. The outer tubular conductor is gripped on the inner and outer surfaces and the inner conductor is gripped in a collapsing collet ring formed as a part of the insertion conductor.

Abstract: Disclosed herein is a shield connection device for terminated cable shields. The device includes a first hollow heat-recoverable member having open ends and a second hollow deformable member having open ends with one end being within the first member. The device includes shielding between the end of the second member within the first member and the first member. The shielding includes a quantity of fusible material on that portion of the shielding outside the second member. The device is partially recovered to secure the shielding between the members but not sufficiently recovered to melt the fusible material or fully recover the first member.

Abstract: For cable termination, a metal plate is fit into the open cable-receiving end of either a connector plug or receptacle. One or more openings in the plate include hollow metal tubes conductively secured to the plate. A set of cable wires within a grounded shield have a shield end portion peeled back preliminary to the wires being passed through one of the tubes and connected to an appropriate connector contact. The peeled-back shield end portion extends over the tube. A ring of solder about the shield affixes it to the tube. Optionally, an aluminum ring may be clamped over the shield sleeve by an electric current operated cryo ring. In another shield connection technique, an oversized ferrule is crimped onto the shield. An elongated tapered cylindrical adapter has one end of a diameter enabling fitting receipt onto the connector open end and a recessed shoulder for engaging edge portions of the connection plate to secure it in place.

Abstract: A shielded electrical cable (5) is secured and grounded to a connector housing (60, 63) by placing a ferrule (50) around a portion of the cable (5), connecting the shields (10, 20) together and captivating the ferrule between two plates (71, 72) which are secured within the connecting housing (60, 63).

Abstract: A flexible lightweight short pulse power cable assembly for electrical power transmission, e.g., for transmission of electrical power at 20,000 volts at short pulse D.C. halfwave currents of 30,000 amperes. The cable for electrical transmission utilizes an inner conductor and an outer concentrically disposed conductor, the inner and outer conductors having substantially equal cross-sectional areas and consequent resistances to equal and opposite current flows in the respective conductors thereby placing the cable current forces in compressive balance and further reducing electro-magnetic interference from transmission of power through the cable.

Abstract: A connector for a coaxial cable having a dielectric and an outer conductor supported by the dielectric comprises a bushing that can be emplaced between the dielectric and the outer conductor, a tension member that acts radially inward upon the outer conductor so that mechanical contact is made between the outer conductor and the outer surface of the bushing. The bushing has at least one axial slot. A cut leading edge of the outer conductor is inserted through the slot from the inner surface of the bushing after the bushing is placed over the outer conductor. The bushing and slot are configured so that the outer conductor passes through the slot and wraps around the bushing upon relative rotation of the bushing and the coaxial cable.

Abstract: A terminal for establishing electrical contact with the conductive shield of a cable having an aluminized Mylar.RTM. layer surrounded by an outer braid and then a layer of insulation forming a jacket. A ferrule is inserted between the outer braid and the Mylar.RTM. and is locked in place by an insulator displacement device which penetrates the insulation jacket to establish electrical contact with the shield.

Abstract: A cable joint box having a tubular enclosure which is closed at each end by members which permit a cable to pass therethrough. The end members and tubular member employ sealing devices to seal one to the other and crossbars are provided between and connected to the end members.