Abstract: A tubular electrical shielding sheath has inner and outer flexible electrically insulating sheets and an electrically conductive sheet shield sandwiched therebetween. An edge of the conductive shield is folded over the adjacent edge of the inner sheet and brought into electrical contact with the other edge of the shield. One edge of the outer sheet overlaps the other edge of the outer sheet and is adhesively bonded thereto, and one edge of the inner sheet overlaps the other edge of the inner sheet and is adhesively bonded thereto.

Abstract: A high impedance cable includes a first layer of insulation surrounding a series of conductors to form a conventional ribbon cable and a second layer of insulation which conforms to the first layer of insulation and is retained in contact with the first layer of insulation in a manner which substantially excludes air from between the two layers of insulation but permits the second layer of insulation to be stripped from the ribbon cable for convention mass termination of the ribbon cable.

Abstract: A wire ribbon has a plurality of insulator-coated conductive wires, each having an insulating layer formed on a surface of a conductive wire. The insulator-coated conductive wires are arranged parallel in a row to be adjacent to each other. The adjacent insulator-coated conductive wires are bonded to each other through interconnection adhesive layers so as to be integrated. A thermoplastic adhesive interlayer having an adhesion temperature lower than that of the interconnection adhesive layer is formed in a local circumferential region on an apex of each single-core wire on at least one of upper and lower surface sides of the wire ribbon.

Abstract: A resin-insulated cable includes electrical conductors arranged in parallel with each other, two insulating resin tapes coating the conductors and a porous insulating resin tape faced with one of the insulating resin tapes and having a printed surface which is in contact with the one of the insulating resin tapes.

Abstract: A multiple conductor electric cable (10) having a plurality of conductors (12), each formed of a multi-filament tensile core (14) of unbonded aramid fibers (16). The conductors (12) further have at least a pair of tinsel conductor ribbons (18, 20), spirally wrapped in the same direction about tensile core (14). Further, conductors (12) are arranged in an orientation wherein the spiral wraps of conductor tinsel in each conductor (12) are in alternating directions from one conductor (12) to the next within a thermoplastic insulating jacket (22), which is further encased within polyester jacket (26).

Abstract: A ribbon cable (2) for a hybrid branch cable (1) . The ribbon cable (2) includes a corrugated binder ribbon (30) which facilitates bundling and encapsulation within a tubular outer casing (50). The binder ribbon (30) is corrugated along sections which bridge the conductors (10-12 and 21-26) carried therein. The pattern of corrugations may be formed in one or both opposing surfaces of the bridging section of the binder ribbon (30) and may include a series of ripples, angled notches, rectangular notches, trapezoidal notches, etc.

Abstract: The insulating members, almost circular or oval in cross section with an outer diameter virtually equal to the thickness of the rectangular conductor, are arranged in such a manner as to be alternated with the rectangular conductors and are held between the two insulating tapes from both the upper and lower sides, with the adhesive layer filling the space between the two facing tapes. The insulating tapes with adhesive layers on the opposing inner sides are pressed against the conductors and the insulating members by the press-forming rollers to form a tape wire.

Abstract: A molded cable and a method of production which generally consists of a plurality of conductors and a plastic like material interlaced with the conductors in a woven pattern to hold and secure the conductors in a spaced relationship. The woven pattern of plastic like material is typically formed by an injection molding process.The cable can have a plurality of conductors generally labeled as a first conductor, second conductor, and continuing to a last conductor held in a spaced relationship with each other and each of the conductors have a beginning end and a terminating end. A narrow strip of the plastic like compound forms a beginning base around the conductors, then it is woven over the first conductor, under the second conductor, over the third conductor and continuing in this woven pattern until the last conductor is included.

Abstract: This invention relates to flat cables comprising a plurality of substantially parallel insulated conductors bonded to a polymeric substrate which has a melting point greater than 200.degree. C. and/or a thickness less than 2.5 mils (98 microns) and a method for the production of such cables.

Abstract: A web of adhesive, especially a normally tacky and pressure-sensitive adhesive, is rendered electrically conductive by imparting a pattern of electrically conductive elements that extend from slightly beyond one face of the web to slightly beyond the other face of the web. In a preferred embodiment, the adhesive web is sandwiched between release liners formed of uniaxially oriented film and a conductive thread stitched through both the liners and the adhesive web. The liners can be removed, tearing along the stitch lines, to create an electrically conductive adhesive web.

Abstract: Ribbon cables have lower capacitance, higher impedance, and faster propagation velocities with microporous fibril thermoplastic dielectric insulation, because they have great amounts of air adjacent to the conductors and the improved electrical performance is due in part to the improved crush resistance. Crystallizable thermoplastic polymers having good fibril structure and crush resistance include polyolefins such as polypropylene and polymethylpentene. A layer of metal adhered to the dielectric insulation provides improved transmission line properties.

Abstract: The inventive cable comprises a plurality of axially-spaced flexible metal conductors which are each disposed within a layer of insulation and a jacket. A solid webbing interconnects the jackets, and, preferably, is integral with the jackets. The webbing has a thickness that is substantially less than the minor dimension of the cable, and the webbing and conductors preferably lie in a common plane. A polarity wing is provided that extends a predetermined distance from the jacket of one of the end conductors, and is preferably integral with the jacket. The polarity wing preferably has a thickness that is substantially less than the minor dimension of the cable. The polarity wing and webbing extend diametrically opposite of the end conductor so that the polarity wing lies in the same plane as the conductors and webbing. The polarity wing provides a key-like effect to ensure that the cable is properly meshed with the connector.

Abstract: A microstrip or stripline structure (10) is disclosed. A dielectric substrate (11) of ceramic includes an area (14) having a different electromagnetic characteristic. The differing dielectric characteristic can be provided by an area (14) in the substrate having a reduced thickness. A transmission line (13) is disposed on one side of the substrate and is partially disposed on the area of reduced thickness. An opposed conductor, such as a ground plane (12), is disposed on the opposite side of the substrate. For a microstrip (20), two such substrates are utilized.

Abstract: A ribbon cable or discrete wires, having a layer of thermally stable, crush resistant, fibril microporous heat sealable thermoplastic crystallizable polymer dielectric surrounding said conductor. The thermoplastic dielectric having a void volume in excess of 70%, a propagation velocity of the insulated conductor greater than 85% the propagation velocity in air and the crush resistance being the recovery rate of the material after being under a 500 gram weight for 10 minutes greater than 92% of the initial thickness.

Abstract: A twisted pair data bus cable is provided which is small, lightweight and flexible.The cable consists of a pair of insulated conductors twisted about one another, which has sections of the cable surrounded by metallic shielding, in which the sections surrounded by metallic shielding having a thicker insulation cross section than the sections not surrounded by metallic shielding.

Abstract: A grounding connection and method for use with multi-wire cable (10) of a type having a plurality of individual cables (12) arranged in side-by-side relationship with each cable including an outer insulation sheath (14) extending around a relatively fragile, thin ground shield (16) in turn extended around a dielectric sleeve (18) carrying a fine signal wire (20) includes the provision of a body (22) of conductive plastic molded or cast around the exposed shield to provide a permanent electrical interconnection and commoning of the shield (16) of the multiple cables. A grounding bus (26) is used with the body (22) to interconnect ground circuits to external ground paths of circuit boards or the like. An alternative embodiment includes plastic material having sufficient strength to form fasteners (50) or latches (54) extending the use of the body (22). A thin wall plastic housing (60) may be used as an alternative definition of a cavity into which the material is poured to form the body (22).

Abstract: A wiring assembly for equipment is produced at a low cost and has the same wiring connection as a flexible printed cable (FPC). Various kinds of terminal treatment processes are applied to the assembly. A circuit is formed by arranging polyurethane-insulated magnet wires 21 on a polyimide (PI) sheet 22 formed along a wiring circuit having bent, curved, and branched (jointed) portions. The formed circuit is coated with a PI sheet 23. Accordingly, an etching step such as in an FPC is not required. It is possible to produce a wiring assembly having the same function as an FPC at a low cost and to effect various kinds of terminal treatments as with an FPC. A wiring assembly having a single crossing in a circuit is formed by using insulated conductors.

Abstract: This invention relates to flat cables comprising a plurality of insulated conductors bonded to a porous substrate. The porous substrate is impregnated with a polymeric material capable of bonding to the insulation of the conductors. The strength of the bond can be varied by varying the amount of the impregnant. If it is desired to separate one or more of the conductors from the substrate, for example to form a branch off, a minimum amount of impregnant can be used.

Abstract: This invention relates to flat cables comprising a plurality of insulated conductors bonded to a metallic substrate. The metallic substrate is provided with a layer of polymeric material capable of bonding to the insulation of the conductors. The layer of polymeric material is bonded to the metallic substrate with a peel strength of at least about 1 pound per linear inch (pli). The insulated conductors are bonded to the layer of polymeric material. The bond strength between the insulated conductors and the layer of polymeric material and the bond strength between the layer of polymeric material and the metallic substrate are such that the individual insulated conductors can be cleanly peeled away from the substrate.

Abstract: An electrical ribbon cable of parallel, coplanar conductive wires having an insulating layer of sintered porous PTFE tape around each of the wires, and a second insulating layer of porous sintered PTFE film around the wires. A conductive layer is then applied and then an outer insulating layer. The cable may be simply and quickly mass-terminated by means of standard tools and connectors. It is constructed such that the velocity of propagation of a signal along any wire is greater than 85% of the velocity of propagation of signals along similar wires suspended in air, and such that the time delay of signal propagation from one end of any wire to the other end is less than 1.17 nanoseconds per foot of length of the cable.

Abstract: A wire assembly for electrically conductive circuits, the assembly comprig a circuit conductor wire having a coating of insulative material thereon, a shielding foil wrapped at least partially around the coating and having a leg portion extending outwardly from the coating, a shield conductor wire fixed to the shielding foil, and an insulative outer layer enclosing the shielding foil and the shield conductor wire.

Abstract: A mutliconductor cable having separatable insulated conductors is provided having a plurality of insulated conductors spaced apart in planar relationship and at least the exterior layer is comprised of porous PTFE, wherein a contact area exists between adjacent exterior layers so that adjacent insulated conductors bond with each other. A multiconductor cable is also described comprising a plurality of conductors insulated in discrete clusters wherein each cluster is surrounded by an exterior layer of expanded porous PTFE which forms a bond with the adjacent exterior layer. A multiconductor cable comprising coaxial cables which are bonded together by the exterior layer of expanded porous PTFE is also described.A process of making the multiconductor cable is also described.

Abstract: A double-layered flat electrical signal assembly comprising a shielded insulated flat cable on each side of a perforated separator material which may be conductive metal or non-metal. Controlled impedance signal transmission through high density insulation displacement connectors to PCB's.

Abstract: A porous insulating resin tape is fed to an inner or outer surface of one of insulating resin tapes with which a plurality of electrical conductors of a flat cable are coated. Printing is performed on at least one surface of surface of the porous insulating resin tape, soaks into the pores of the porous insulating resin tape. The pores are sealed up when the tape is pressed by a heating/pressing rollers and then baked, and the ink is shut off from outside the pores. The printing can be clearly performed without being discolored.

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 joint assembly for allowing relative rotational movement of two structures. The joint assembly has a flexible member with a first surface facing a first direction and second surface facing a second opposite direction. The flexible member is typically a flexible circuit board or an electrical wire cable, that extends from a first structure to a second structure. The structures are interconnected so that they can rotate relative to each other. The flexible member is constructed in an essentially radial shape that defines an arcuate path. One end of the flexible member is attached to the first structure and the other opposite end is connected to the second structure. When the second structure rotates relative to the first structure, the end of the flexible member attached to the second structure moves along the arcuate path. As the flexible member moves along the arcuate path the member rolls over itself.

Abstract: The present invention improves the quality and productivity in a coating peeling-off process in which the coating at an intermediate portion along the length of a wire is peeled off in order to expose a conductor inside the coated wire, while enabling coatings at intermediate portions along the length of multicore wires or small-diameter wires to be peeled off.In a primary process, a heating jig 16 is brought into press contact with the upper half portion of the coating of the peeling-off designated portion at an intermediate potion along the length of coated wires 1 so as to press down the coating downwardly relative to the transverse direction of the wires, whereby a coating peeled-off portion 20 in which a part of conductors 2 is exposed is formed.

Abstract: In a branching arrangement for a flat cable, where the flat cable is separated along the area of the subscriber connection from cross-links, which connect an optical vein to the neighboring elements, it is provided that the vein is separated for a long distance from the cable, so that it has no splice connection in the branching area. It is further provided that, the separated optical vein curves over the optical cable at about a right angle, that the separated optical vein is safeguarded by a kink protection tube, and that the cable and the kink protection tube are secured to prevent relative movement therebetween.

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 communications transmission cable includes at least two jacket encased portions each joined to an adjacent jacket encased portion at a recessed section. Jacket encased portions include at least one conductor and at least one strength member, and are readily separated at each recessed section.

Abstract: An unshielded buried service wire (20) includes a core (22) and a jacket (40). The core comprises two pairs (24-24) of insulated metallic conductors (26-26). Also associated with each conductor pair is a longitudinally extending waterblocking member (33) which inhibits the flow of water longitudinally of the wire. The jacket has a transverse cross sectional configuration which is generally oval. Adjacent to each of opposed small radius of curvature portions of the service wire and embedded substantially in the jacket is a longitudinally extending, rod-like strength member (50) which is caused to adhere to plastic material of the jacket.

Abstract: A shield wire comprising: a conductor, an insulation layer provided around an outer periphery of the conductor; an electrically-conductive resin layer provided around an outer periphery of the insulation layer; a covering insulation layer formed around an outer periphery of the electrically-conductive resin layer; and shield device for shielding the shield cable from electromagnetic interference, the means formed to electrically contact the electrically-conductive resin layer.

Abstract: The present invention provides two ribbon cable for conducting AC power and digital data signals respectively. A pliable insulating material holds together and electrically insulates the conductors on each ribbon cable. Conductive material, such as a conductive foil or conductive plastic serves to shield the electromagnetic interference generated by the transmitted AC power from the data conductors. The ribbon cables are folded in a protective outer jacket so that the conductive material is disposed substantially between the power conductors and the data conductors. This maximizes the electromagnetic interference shielding of the conductive material.

Abstract: An aerial service wire (20) includes a jacket (40) having a generally rectangularly shaped cross section and comprising a polyvinyl chloride plastic material. Enclosed by the jacket are two groups of strength members (36--36) each of which includes a plurality of filaments and each of which is impregnated with a material which is compatible with that of the jacket. The strength members are disposed along axes (52,54) of the cross section which are normal to an axis (42) which passes through a geometric center through which a longitudinal axis (50) of the jacket passes. Conductors (30--30) which are individually insulated are disposed adjacent to the longitudinal axis with each strength member being disposed between the conductors and the outer surface of the jacket.

Abstract: A flat multicore wire of the present invention has an end structure in which a group of round wires are disposed in a plane-like fashion in parallel with each other at predetermined intervals. In which coatings of the end portions of the group of round wires are uniformly peeled off so as to enable a group of exposed conductors so formed to act as contact portions, in which a connecting tape of a certain length is applied over the top surface of the coatings of the group of round wires along the proximal portions of the contact portions, and in which a securing tape is applied on the underside of the group of exposed conductors in such manner that the securing tape extends over a part of the coatings of the group of round wires.

Abstract: An improved cable assembly having a plurality of conductors held in flat cable sections by a carrier film and cable sections in which the conductors are not held by the carrier film and method for forming such a cable assembly. The flat sections are identified by an indicia on the outer surface of the outer jacket. The method includes the steps of marking the location of the flat cable sections with a ferromagnetic implant, extruding an outer jacket around the conductors and implant, detecting the location of the implant, and applying indicia to the outside surface of the outer jacket to identify the location of the flat cable section.

Abstract: A shielded electric cable includes an insulated conductor having an insulating layer on the exterior of a conductor, a drain wire disposed alongside the conductor and spaced therefrom by a predetermined distance, a shielding layer formed by laterally winding shielding material or a net on the exterior of the conductor, a metal tape electrically connecting the shielding layer to the drain wire, and a jacket in which the conductor, the drain wire, and the metal tape are embedded. Electric wires are integrally connected to and spaced a predetermined distance from the conductor and the drain wire at opposite sides thereof, respectively.

Abstract: By folding two or more mutually connected strips of flexible printed circuit film material, an elongated flexible printed circuit comprising a main strip and one or more side strips being produced, with a minimum waste of film material. For holding the flexible circuit in its folded state and controlling the bending radii of the strips, a holding clip which locks automatically on the film material being provided.

Abstract: A copper alloy wire has a composition composed of no less than 0.01% by weight of Ag and balance Cu and unavoidable impurities. The copper alloy wire has been prepared by drawing a wire stock having the composition at a reduction ratio of no lower than 40% and subjecting the wire stock to heat treatment for half annealing to have a tensile strength of no lower than 27 kg.multidot.f/mm.sup.2 and an elongateion of 5%. An insulated elecric wire includes the copper alloy wire as a conductor and an insulation layer covering the wire. Also, a multiple core parallel bonded wire includes two or more such insulated electric wires bonded parallel to each other.

Abstract: The present invention is directed to a strong, flexible composite shielding member to provide electromagnetic interference (EMI) shielding between power conductors and signal conductors for use in an electrical transmission system, such as a bundled hybrid cable. A preferred shield member comprises a flat dielectric central laminate having on each major surface thereof a metallic, electrically conductive film, where the core includes a plurality of longitudinally arranged strengthening members, such as fiberglass strands.

Abstract: An electrical cable assembly includes a plurality of electrical conductors supported within an insulative casing. The conductors are arranged in side-by-side transversely spaced position and the casing surrounds and electrically isolates each of the conductors. The casing includes a major planar surface permitting mass termination to a connector. One of the conductors includes a flat surface portion which faces an adjacent one of the side-by-side conductors and also includes a curved surface portion which faces the major planar surface.

Abstract: A low cost high signal frequency multiwire cable and method of manufacture includes a stack of wire pairs fan folded from a flat ribbon cable to form columnated wire pair layers. The flat ribbon cable is folded together with a flexible conductive shield which extends around and between each layer to provide high quality signal isolation of each layer. The cable may be clad with multiple layers providing additional shielding and physical protection.

Abstract: An electronic assembly comprising a plurality of printed circuit boards residing in a chassis and a removable high frequency, multi-conductor flexible cable, having a connector at each end, the structure of said cable being such that, if positioned in a single plane, it has a plurality of substantially rigid turns, the sum of the degrees of arc of such turns in one direction being equal to the sum of the degrees of arc of such turns in the opposite direction, such that the conductors have equal lengths throughout the cable, resulting in matched signal lengths throughout the cable.To provide optimum shielding, the cable is formed of a plurality of pairs of conductors, each pair is separated by a ground conductor, and the top and bottom of the cable are ground planes.

Abstract: A group of loose cabled optical fibers (32--32) destined to be terminated by a multi-fiber connector device is first fabricated into an optical fiber ribbon (30). The optical fibers of the group are threaded through portions of an organizing shuttle (20) and brought into planar juxtaposition with each other by the cooperation of a curved surface (112) and a burnishing bar assembly (98). As the organizing shuttle is caused to be moved along a track (42), the burnishing bar assembly causes the planar array of fibers to be embedded into an adhesive coating of a first binding tape (34) which is secured along the length of the track. In a preferred embodiment, a second tape (35) is applied over the fibers and the first tape. The ribbon is trimmed of excess longitudinal side portions of the binding tapes to provide a ribbon of desired width.

Abstract: An improved insulated thermocouple having no asbestos insulation material. The improved thermocouple and a method for making it are described whereby individual conductors are wrapped with high temperature fiberglass insulation and are then coated with a fiberglass binder that may be a modified silicone liquid. The individual conductors are then assembled in a parallel configuration and an outer jacket of high temperature fiberglass is applied by a braiding process. The entire assembly having the exposed outer jacket is coated with a fiberglass binder that may be a polyurethane liquid, and then cured.

Abstract: The present invention provides a ribbon cable for conducting AC power and digital data signals. The ribbon cable includes a plurality of spaced, parallel, wire conductors arranged in a row, the conductors including power conductors adaptable for conducting AC power and data conductors adaptable for conducting digital data signals. A pliable insulating material holds together and electrically insulates the conductors. Conductive material, such as a conductive foil or conductive plastic, is disposed either on or inside the insulating material to shield the electromagnetic interference generated by the transmitted AC power from the data conductors. The ribbon cable is then folded in a protective outer jacket so that the conductive material is disposed substantially between the power conductors and the data conductors. This maximizes the electromagnetic interference shielding of the conductive material.

Abstract: Lightweight electroconductive wire which includes a strip of lithium metal with copper connectors at each end, and encapsulated within a layer of moisture proof aluminum foil, which has an anhydrous glue coating with an outer encapsulating layer of insulating plastic tape that has a coating of adhesive retaining it on the foil. The copper contacts extend outside the layer of tape and are plated with metal that is non reactive with lithium at contact with the lithium.

Abstract: A micro-cable interconnect comprises a single exterior flexible insulative coating internally containing a plurality of terminally prepared, precisely spaced conductors. The conductors are arranged with a spacing and pitch to identically match spacing and pitch of interconnect zones operatively connected to an integrated circuit or connector, with the conductors constructed and arranged for bonding to the interconnect zones.

Abstract: An electrical transmission cable incorporating coaxial cables, power supply cables, data conductors and telephone conductors suitable for use in residential wiring is disclosed. Cable comprises a bundle configuration in which coaxial conductors are disposed in a center of a round bundle between data and telephone conductors to reduce the continuation of signals in the data and telephone conductors.

Abstract: A signal cable assembly comprising a pair of cables adapted to respectively carry the positive and negative audio signals between a power source and a load. Each cable consists of a first conductor formed by a plurality of bundles of wire strands twisted together to form a single conductor, and a second conductor in the form of a solid conductor having a diameter larger than the diameter of each wire strand. Insulation sleeves extend around the conductors for at least a portion of the length thereof.