Abstract: A shielded electric cable having a core including an insulated conductor. A first shielding member formed of an elongated ribbon of insulating material and a pair of elongated metal foil strips arranged in a parallel relationship with the ribbon and bonded to the opposite sides of the ribbon is applied longitudinally to the core and wrapped circumferentially therearound forming two concentric substantially closed shielded layers. A layer of plastic material, preferably foamed, surrounds the first shielding member and a second shielding member surrounds the plastic layer, the second shielding member being formed of non-braided metallic material. The layer of plastic material is bonded to the shielding members. The shielded electric cable is provided with an outer jacket of non-conducting material and having an appropriate O.D. for receiving a standard connector.

Abstract: A four-core balanced transmission cable of the present invention includes four insulated electric wires, a low dielectric center interposition member having a diameter 0.35 to 0.45 times as great as an external diameter of the insulated electric wire, a pressing winding material for compressedly winding the four insulated electric wires and the center interposition member and a covering member for covering an external circumference of the pressing winding material. Accordingly, the four-core balanced transmission cable of the present invention is thin, soft and light so as to meet the standards or requirements for a cabling system of a computer.

Abstract: The present invention is an improved jacketing material for all forms of electro-magnetic energy conductors. The jacket material of the present invention comprises a silicone material that is imbibed into a porous polymer, such as expanded polytetrafluoroethylene, to produce a flexible and durable composite. When applied as a cable jacket, the composite material of the present invention produces dramatic improvement over the use of silicone alone, especially in the areas of load sharing, resistance to fatigue from repeated flexure, and resistance to harsh environmental conditions. The ability of the material of the present invention to withstand repeated autoclave cycles without compromise makes it particularly suitable for cable jacketing in bio-medical applications.

Abstract: A corrosion resistant electromagnetic interference shielding material for electronic enclosures is provided. The corrosion resistant composite material comprises a metallized, highly conductive porous polymeric material, laminated between two layers of corrosion resistant composite materials, incorporating ground lugs. The highly conductive material intercepts an electromagnetic interference signal and grounds the signal through the ground lugs provided in the outer composite shell. This invention is particularly useful where a lightweight, corrosion resistant electronic enclosure is required.

Abstract: A rubber plug for sealing is engaged with a covered wire, and the rubber plug is prevented from being disconnected when an insulation barrel of a terminal fitting is clamped to the plug. The insulation barrel is curved and clamped along a maximum extent of the outer circumferential surface of the rubber plug, while both end portions of the insulation barrel are overlapped. Both ends of the insulation barrel can be prevented from biting onto the surface of the rubber plug.

Abstract: Image fixing device for use in electrophotographic apparatus, capable of suppressing gloss of fixed toner image, thus stably producing images of high quality and high level of fixing intensity over a long period of time. The fixing device has a fixing roller and a pressing roller which are contacted with each other and rotate to form therebetween a nip through which a paper supporting unfixed toner image is passed to have the toner image fixed to the paper. The fixing roller has a cylindrical core having fine irregularities formed on its surface and a surface layer made of a resin. The surface of the cylindrical core has a greater elastic modulus than that of the surface layer.

Abstract: A high speed telecommunication cable includes at least one filler member having a plurality of twisted pair conductors disposed about the periphery thereof. Preferably, a plurality of twisted pair conductors are helically wound about each of two filler members and form a single layer about each filler member.

Abstract: The wire splice enclosure of the preferred embodiment provides a two-piece sealable cylindrical enclosure having a tension plate at each end formed parallel to the axis of the enclosure. Each tension plate is formed with a serpentine concave track of a size adapted to snugly receive a wire for splicing, with a hole adjacent the track inner end sized to allow the wire to snugly pass through into a chamber area. A pair of hooks within the chamber area provides support for the wire ends after splicing. The two pieces of the chamber are adapted to seal together with a quarter turn locking motion.

Abstract: A multiple wire electric cable (10) having a plurality of conductive wires (12), each formed of a multifilament tensile core (14) of unbonded aramid fibers (16). Said conductive wires (12) further having at least a pair of tinsel conductor ribbons (18, 20), spirally wrapped in the same direction about tensile core (14). Further, each of conductor wires (12) arranged in an orientation wherein the spiral wraps of conductor tinsel in each conductor wire (12) are in alternating directions from one conductive wire to the next.

Abstract: A cable end cap including a tubular sleeve (3), which is closed at a front end and is made of a thermoplastic material, and an elastomer sealing element (4) with sealing lips (41). Sleeve (3) and sealing element (4) are connected sealingly together by a mounting ring (10). Thus, cut off cable ends can be sealed reliably with little complexity.

Abstract: A device for forming an electrical connection between a plurality of elongate electrical conductors comprises an electrically insulating sleeve, and contained within the sleeve a resiliently deformable tapering coil and a quantity of fusible polymeric material, the device being arranged so that the elongate electrical conductors may be connected by twisting them into the coil so that at least part of the coil is deformed and heating the device so that at least some of the fusible polymeric material melts and then, when solidified, substantially binds the coil in its deformed state.

Abstract: A method is presented for controlled formation of microcavities for various semiconductor and micro-machine applications. The method involves the steps of defining a void in a support structure, sealing the void with a resilient gas-permeable material such that a chamber is formed, diffusing gas into the chamber through the gas permeable material to create a pressurized chamber, and then allowing expansion of the pressurized chamber within the resilient material, thereby creating an enlarged cavity. The applications set forth include the production of large capacitors, field isolation structures, tubular sensors for chromatography, pressure sensors, and cooling channels for integrated circuits.

Abstract: A cylindrical heating coil element repair member for joining the two ends of a broken electric heating coil element wire wherein the broken wire ends are inserted, respectively, into apertures formed in each end of the cylindrical repair member until they make contact with the solid central portion of the repair member and where the end portions with wire ends therein are crimped onto each wire end to retain them therein to provide electrical continuity through the repaired wire.

Abstract: A plenum cable having a plurality of insulated conductors enclosed by a jacket. Each of the insulated conductors or twisted-pair conductors has a dielectric constant that varies .+-.0.25 from any other insulated conductor or twisted-pair conductor. In the preferred structure at least one twisted-pair conductor has flame retardant polyethylene or flame retardant polypropylene insulation and at least one other twisted pair conductor being insulated with fluorinated ethylene propylene, tetrafluoroethylene, or ethylenechloro-trifluoroethylene.

Abstract: The invention disclosed herein is for an improved electrical connector assembly used on couplers and program modules in marine streamers used in offshore seismic exploration. In particular, the invention disclosed herein is comprised of a deformable seal ring with a plurality of holes formed therein through which pass individual conductor wires through which are transmitted signals from various hydrophones disposed along the marine streamer. Deformable nipples are disposed on each side of the seal disk 16 around each of the openings extending through the seal disk. The seal disk and nipples are deformed around the conductor wires passing through the openings in the seal disk through use of a compression disk and spring which provides dynamic spring loading of the seal disk-conductor wire interface, thereby maintaining the integrity of the seal established between those components.

Abstract: The present invention is characterized by an image bearing member, a toner carrying member for directing toner to the image bearing member and a magnet disposed within the toner carrying member, and in that the image bearing member and the magnet are positioned by a common positioning member. With above construction, it is possible to provide a process cartridge and an image forming system, which can remarkably the accuracy of attachment positions of an image bearing member and a magnet, thus remarkably enhancing the image quality.

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 lightweight braided metallic shielding is applied to wiring harnesses to protect against lightning strikes and electromagnetic interference (EMI). The braided shielding has an open braid construction which may be as much as 40% lighter in weight and which provides better electromagnetic shielding than conventional braided shielding. The decrease in weight is achieved by utilizing a braid carrier application angle, as measured from the axis of the wire harness, which is as small as about eighteen degrees, so as to produce a braided shield that has as few as four picks per inch. The ensuing braided shield is very flexible and results in a degree of wire harness coverage which may be as low as about 60%, but which exhibits low electrical resistance which contributes significantly to lightning protection and EMI shielding.

Abstract: In an electrical wiring system, a typical process for suppressing noise due to electric current consists in preparing a pair of flat circuit units comprising respectively an insulation layer and at least one circuit conductor therein or thereon which undulates to form wave-like patterns and in superposing fixedly said conductor of the first unit with that of the second unit in such that at least one insulation layer is interposed between the superposed conductors and whereby peaks of the second unit conductor face troughs of the first unit conductor; according to the invention, fixing is performed by means enabling to interweave said peaks with said troughs. One such means consists in providing the first flat circuit unit with trough-side slits and the second with peak-side slits and in inserting the tongues formed by the trough-side slits in the peak-side slits.

Abstract: The present invention concerns a crimp contact used for connecting electrical wires. The said crimp contact is of the type consisting of a strip of electrically conductive material, for example copper, crimped to form a substantially square shape, with rounded corners and edges. According to the present invention, the electrically conductive base material is backed with a layer of soldering material, for example tin, in various shapes and size. In addition, solder flux may be advantageously placed between the soldering material and the electrically conductive base.