Combined Patents (Class 174/70R)
  • Patent number: 6140585
    Abstract: The equipment includes two connectors for connection to two respective lines, and a multilayer printed circuit, one region of which supports signal processing components, each of the lines including at least two electrical conductors. The printed circuit incorporates essentially inductive electrical links between the connectors and the components. The printed circuit further incorporates metallizations associated with the two connectors which link them respectively to the conductors of the two lines. These metallizations belong to different layers of the printed circuit and are situated facing one another so as to produce capacitive coupling between the two lines so that a fast electromagnetic disturbance arising on one of the lines is diverted to the other line rather than reaching the signal processing components.
    Type: Grant
    Filed: November 3, 1997
    Date of Patent: October 31, 2000
    Assignee: FIHEM
    Inventor: Charles Couland
  • Patent number: 6096976
    Abstract: A relay apparatus between relative rotary members has a first rotator (a rotator) having an inner cylindrical portion, a second rotator (a fixed body) having an outer cylindrical portion for surrounding the inner cylindrical portion at a predetermined interval, and for rotating relative to the inner cylindrical portion, a flexible flat cable coiled along the inside of the circular space between the inner cylindrical portion and the outer cylindrical portion, wherein the terminal portion of the inner circumference and the terminal portion of the outer circumference of the flexible flat cable are held in the inner cylindrical portion and the outer cylindrical portion, respectively, and a C-shaped mobile body is disposed in a freely movable manner for reversing the flexible flat cable in the aperture, wherein the mobile body is defined so that an inner circumferential side is polygon-shaped.
    Type: Grant
    Filed: September 29, 1998
    Date of Patent: August 1, 2000
    Assignee: Yazaki Corporation
    Inventors: Yasutaka Nagaoka, Nobuhiko Suzuki
  • Patent number: 6069318
    Abstract: A formed wire for an actuator including a frame having a first opening formed at one end portion, a second opening formed at another end portion, a slit formed between the first opening and the second opening, and a plurality of positioning holes. A wire bundle formed by twisting a plurality of wires is inserted through the slit and thereby held by the frame. The wire bundle has a first end portion exposed to the first opening and a second end portion exposed to the second opening. The wires at the first end portion are separated from each other and bonded by adhesion to a first frame edge defining the first opening, and the wires at the second end portion are separated from each other and bonded by adhesion to a second frame edge defining the second opening.
    Type: Grant
    Filed: August 12, 1998
    Date of Patent: May 30, 2000
    Assignee: Fujitsu Limited
    Inventor: Koichiro Ohba
  • Patent number: 6051790
    Abstract: In a wire harness-mounting construction of the present invention, a generally L-shaped recess 2, formed in a continuous manner in a door side plate portion A2 and a door inner plate portion A2 of a door frame A, includes a deep groove portion 3 having a deep central bottoms, and a shallow groove portion 4 which is formed shallow around the deep groove portion 3, and receives a grommet cover 11. Amounting member 10 of a generally L-shape, received in the recess 2, includes the grommet cover 11 having an inner member 41 of a rigid material provided therein, and a projection 14 is formed integrally on an abutment surface of the grommet cover held against the door side plate portion A2, and extends generally along a peripheral edge of a frame portion formed on the abutment surface. A Lip-like projection 18 is formed on and extends along a peripheral edge of a peripheral portion 17, and a notch groove 19, communicating with the exterior, is formed in a lowermost portion of the peripheral portion 17.
    Type: Grant
    Filed: June 4, 1998
    Date of Patent: April 18, 2000
    Assignee: Yazaki Corporation
    Inventors: Syunsaku Takeuchi, Hiroaki Yamada
  • Patent number: 6043433
    Abstract: A clamping mechanism for mounting a circuit conditioning monitoring device to electrical cables of various diameters includes a fixed sleeve and a movable sleeve positioned within the fixed sleeve. Both sleeves include gaps whereby an electrical cable may be pasted therethrough. The inner movable sleeve further includes a clamping means, preferably a tightening screw, whereby after a cable is passed through the gaps, the inner sleeve rotates within the outer sleeve to close the gap and further clamps onto the cable for secure mounting of the device.
    Type: Grant
    Filed: February 20, 1998
    Date of Patent: March 28, 2000
    Assignee: E.O. Schweitzer Manufacturing Co., Inc.
    Inventor: Edmund O. Schweitzer, Jr.
  • Patent number: 5962945
    Abstract: In a multiple parallel conductor (1), in particular a continuously transposed cable, used for windings of electrical devices and machines, each strand has its own electrical insulation and all strands are provided with a common wrapping. Underneath the wrapping (9), there is arranged at least one rip cord (11) extending in the longitudinal direction of the multiple parallel conductor (1) for easy removal of the wrapping (9) before a winding is formed.
    Type: Grant
    Filed: April 8, 1998
    Date of Patent: October 5, 1999
    Assignee: Alcatel
    Inventors: Hans-Joachim Krenzer, Joachim Runge
  • Patent number: 5940962
    Abstract: One or more specific wires is placed at the middle of the wire harness cross section with double-sided adhesive tape between the specific wires and the other wires surrounding these core wires. One side of the double-sided adhesive tape adheres to these core wires while the other side adheres to the other wires surrounding the core wires. The double-sided adhesive tape thus positions and holds both the selected core wires and the surrounding other wires. A single-sided adhesive tape can be also used.
    Type: Grant
    Filed: March 11, 1994
    Date of Patent: August 24, 1999
    Assignee: Sumitomo Wiring Systems, Ltd.
    Inventors: Noriyasu Shima, Nobuyoshi Ohtani, Haruhiro Mutoh
  • Patent number: 5932846
    Abstract: This assembly is for attaching a wire harness to a panel. Preferably, the panel is a motor vehicle interior trim panel and the harness is a flat wire harness. Typically, the panel then attaches to an outside door frame. The assembly includes a motor vehicle interior trim panel having a surface with at least one pin protruding therefrom, and a wire harness having at least one aperture therein, wherein the wire of the harness is adjacent the surface of the trim panel and the pin of the trim panel passes through the aperture of the wire harness. A portion of the pin extends beyond the aperture and that portion of the pin is heat staked to secure the wire harness to the trim panel.
    Type: Grant
    Filed: September 19, 1997
    Date of Patent: August 3, 1999
    Assignee: UT Automotive Dearborn, Inc.
    Inventors: Alex Zaguskin, Nathan Moore
  • Patent number: 5922991
    Abstract: In order to improve an arrangement for mounting a wiring harness on a support plate with a laminated-on substrate for electrical and/or electronic components such that the latter has high reliability while being simpler and thus more economical to manufacture, the connecting wires of the wiring harness are connected in electrically conductive fashion directly to electrical connection elements of the substrate. In the vicinity of this connection, the wiring harness is at least partly embedded into a sealing medium enclosing the connection.
    Type: Grant
    Filed: March 28, 1997
    Date of Patent: July 13, 1999
    Assignee: Robert Bosch GmbH
    Inventors: Willy Bentz, Paul Hermanutz, Waldemar Ernst
  • Patent number: 5912807
    Abstract: Packaging (1) for cable assemblies (2), is constructed with cable assemblies (2) in a case (3), the cable assemblies (2) being routed along an interior of the case (3), a circuit board (4) positioned by the case (3) over the cable assemblies (2), and electrical connectors (5) on ends of selected cable assemblies (2) connect to the circuit board (4).
    Type: Grant
    Filed: August 5, 1997
    Date of Patent: June 15, 1999
    Assignees: The Whitaker Corporation, Illinois Tool Works Inc.
    Inventors: Robert Eugene Gallagher, Sr., Scott Alan Landis, Donald Arthur Cawthra, Wesley Charles Slagle, David William Gilmore
  • Patent number: 5841077
    Abstract: A digital load cell assembly is disclosed. The digital load cell assembly includes at least one load cell for detecting an applied force and producing analog signals proportional to the applied force. The analog signals are transmitted along a cable assembly which is electrically connected to the load cell. The cable assembly has analog to digital circuitry and a power supply mounted on a printed circuit board, and is adapted to transmit digital signals representative of the force applied to the associated load cell for displaying a value corresponding to the applied force on an associated display indicator.
    Type: Grant
    Filed: December 1, 1995
    Date of Patent: November 24, 1998
    Inventor: Rudolph J. Kolaci
  • Patent number: 5687271
    Abstract: Method and apparatus are presented for providing an electric field-free region for fiber optic cables in near proximity to high voltage power lines by means of a conducting electrical shield at the same voltage as the power line. An electric field-free region is still provided even if the electrical shield is omitted, by having the wires of the power line completely surround the fiber optic cable. An electric field-free region is also provided by embedding the optical fiber inside each wire of the power line. The electric field free region for a fiber optic cable prevents electrical treeing and other undesirable effects that would make the cable inoperable.
    Type: Grant
    Filed: March 15, 1994
    Date of Patent: November 11, 1997
    Assignee: Mario Rabinowitz
    Inventor: Mario Rabinowitz
  • Patent number: 5629496
    Abstract: The device includes a support member; a casing; and a closing and covering member. The support member may be attached to an external member and may receive an electrical mechanism. The support member is provided with a coupling mechanism to the casing and this coupling allows access of conductors from a raceway device. The casing is prismatic in shape and is adapted to surround the support member and the electrical mechanism. The casing is provided with a bight in one side wall thereof. The closing and covering member has a wall portion and a hood portion. The wall portion may be attached to the edges of the bight to close it. The hood portion covers a portion of the raceway device. Where necessary, a guide member is attached to a portion of the raceway device and is covered by the hood portion.
    Type: Grant
    Filed: July 1, 1994
    Date of Patent: May 13, 1997
    Assignee: Aparellaje Electrico, S.A.
    Inventor: Juan M. B. Navazo
  • Patent number: 5574815
    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.
    Type: Grant
    Filed: January 28, 1991
    Date of Patent: November 12, 1996
    Inventor: Foster C. Kneeland
  • Patent number: 5563976
    Abstract: A linear element (1,61) suitable for extending between, and being supported by, towers of an overhead electrical power transmission system, includes one or more electrically semiconductive components (54, 62) that cause the element to have a linear resistance of 0.05 to 100 Mohms m.sup.-, and which exhibit a negative temperature coefficient of resistance. The element may be a rope used for stringing up conductors of the system or it may be an optical cable. Preferred materials for forming the semiconductive components include carbonaceous fibre tows formed from pyrolised acrylonitrile fibres. The element has a controllable and reproducible resistance for reducing or eliminating dry-band arcing.
    Type: Grant
    Filed: December 6, 1994
    Date of Patent: October 8, 1996
    Assignee: BICC Public Limited Company
    Inventor: Simon M. Rowland
  • Patent number: 5541365
    Abstract: To provide a beam welding terminal structure which holds a connection member to be connected, such as a wire, from opposite sides thereof, and firmly welds the connection member by irradiation of a beam such as a laser beam, a beam welding terminal structure includes holding walls at opposite sides, and a connection member to be connected is welded to the holding walls by irradiation of a beam. A projection extends from at least one of the holding walls and beyond the connection member in a direction of the height. A rectangular wave-shaped base wall has longitudinal side portions, extending in a direction intersecting the connection member, and transverse side portions extending parallel to the connection member.
    Type: Grant
    Filed: March 11, 1994
    Date of Patent: July 30, 1996
    Assignee: Yazaki Corporation
    Inventors: Masuo Sugiura, Yutaka Sakakibara
  • Patent number: 5526457
    Abstract: An overhead electrical power and optical transmission system, comprising overhead electrical phase conductors (2) extending between and supported by towers (10), and at least one optical cable (1) that extends between and is supported by, the towers. Each optical cable has a resistive element (12) that is removably supported thereby and which extends from a tower (10) where it is earthed part of the way along the span of the optical cable, and the resistive element has the necessary length and conductivity such that if a dry band (6) occurs on the cable at the end of the element, the potential difference (VG') across the band is insufficient to form an arc, such that any induced current is insufficient to sustain any arc that may occur across the dry band.
    Type: Grant
    Filed: December 6, 1994
    Date of Patent: June 11, 1996
    Assignee: BICC Public Limited Company
    Inventors: Simon M. Rowland, Ian Nichols
  • Patent number: 5517592
    Abstract: A sleeve for receiving branch or joint areas in optical or electrical cables, comprises a stable, essentially cylindrical hollow body (8) with at least one open end to receive the branch or joint areas, where a sleeve head (1) is inserted into the open end(s) and the sleeve head(s) (1) has (have) passage openings (2) in the form of radial slots (2) for the incoming or outgoing cables (3, 4). The slots (2) contain sealing bodies (11), which encompass the incoming or outgoing cable (3, 4) and seal the slots (2).
    Type: Grant
    Filed: October 21, 1994
    Date of Patent: May 14, 1996
    Assignee: kabelmetal electro GmbH
    Inventors: Franz Grajewski, Hans-Holger Freckmann, Werner Stieb, Zbigniew Wielgolaski, Reinhard Schottker
  • Patent number: 5463711
    Abstract: A submarine optical fiber cable adapted for use in shallow-water submarine applications having the economy of non-armored cables with the robustness of armored cables is disclosed. The optical fiber cable comprises a plurality of longitudinally extending strength members arranged in a single layer around a single longitudinally extending central tube in a substantially close fitting manner. Disposed within the central tube is at least one optical fiber. In an illustrative example of the invention, six galvanized steel strength members are arranged in a close fitting manner around a hermetically sealed central steel tube, where the tube and the strength members have substantially identical outside diameters, so as to form a strong and stable shell. Plastic water-blocking material is disposed in the interstices between the strength members and the tube. Insulated conductors are disposed in grooves formed between adjacent strength members.
    Type: Grant
    Filed: July 29, 1994
    Date of Patent: October 31, 1995
    Assignee: AT&T IPM Corp.
    Inventor: Tek-Che Chu
  • Patent number: 5432302
    Abstract: A hydrostatic sealing sleeve hydrostatically seals a spliced wire connect in high pressure underwater conditions. The sealing sleeve is fashioned from an elastomeric compound, such as neoprene, and is fitted over one end of an insulated wire that is to be spliced onto a butt wire splice. The other insulated wire is spliced together with the first wire and the sealing sleeve is then slid over the butt wire splice where it rests in a centrally located cavity inside the sleeve. The outer ends of the sealing sleeve include sealing baffles which compress onto the outer peripheral surfaces of the insulated wires, creating a high pressure water tight seal.
    Type: Grant
    Filed: November 19, 1992
    Date of Patent: July 11, 1995
    Assignee: The United States of America as represented by the Secretary of the Navy
    Inventor: David A. Abdow
  • Patent number: 5426715
    Abstract: The invention provides for a cold applied oval port seal particularly useful for sealing optical fiber cables. The closure includes two shell members which fit together to define the enclosure edge wedge seals and internal flexible fingers to locate the optical fibers, restrain movement of the sealing material, and provide strain relief along the longitudinal axis of the cables.
    Type: Grant
    Filed: July 23, 1993
    Date of Patent: June 20, 1995
    Assignee: Raychem Corporation
    Inventors: Marc Moisson, Kevin Melia, Mark McCall, Mathew Steinberg, David Wittmeier, Jeff Haller, Lowell Koht
  • Patent number: 5371823
    Abstract: A metallic current-carrying coaxial cable is connected by a plastic web to a cable holding light waveguides.
    Type: Grant
    Filed: March 4, 1994
    Date of Patent: December 6, 1994
    Assignee: Siecor Corporation
    Inventors: Michael J. Barrett, Stephen T. Ferguson
  • Patent number: 5371825
    Abstract: A high-strength, waterproof cable capable of transmitting large quantities of information over great distances in a reliable and durable fashion and a method of making the cable is provided. The cable includes a first central core portion having a pair of opposed ends, with each end having a locking surface. The cable further includes a second central core portion having a pair of opposed ends, each end having a locking surface. The second core portion is sealed to the first core portion by engagement of the respective locking surfaces. The sealed first and second core portions form a central core having a hollow interior chamber. A water-blocking material is located in the sealed chamber and an optical fiber array is located in the sealed chamber and embedded in the water-blocking material. A multiplicity of high tensile strength steel wires are helically wrapped around the core and a thermoplastic jacket is positioned outwardly of and surrounding the steel wires.
    Type: Grant
    Filed: August 10, 1993
    Date of Patent: December 6, 1994
    Assignee: Simplex Wire and Cable Company
    Inventor: Richard Traut
  • Patent number: 5318363
    Abstract: An immersion well construction including a rigid, heat conductive elongate member having (a) a threaded outside surface portion for threading into a preexisting fluid vessel wall threaded opening, (b) a wrench flat portion disposed proximally of the threaded outside surface portion and (c) a longitudinally extending cavity. The cavity has a main cavity body portion and an adjacent and smaller diameter distal cavity pocket. An inwardly disposed groove is formed on and extends longitudinally along the cavity, such that one or more wires of an electrical sensor held in the cavity pocket can pass in and along the groove and out the elongate member and to an electrical system, such as a remote computer control system.
    Type: Grant
    Filed: March 12, 1993
    Date of Patent: June 7, 1994
    Inventor: Stanley Mauric
  • Patent number: 5314047
    Abstract: The present invention relates briefly to an arrangement for hoisting devices to keep a cable (10) substantially vertically stretched between a derrick or the like and a hoisting device, e.g. a derrick bridle (1), so that the cable will not be able to be depositioned by gusts and other factors. The arrangement includes a set of brackets (12) stretched between and glidably fixed to two opposed hoisting cords (2a, 4a), each bracket (12) being equipped with a ring (13) approximately center, through which ring the cable (10) runs with an increasing inner diameter for each ring (13) from the top downwards. To the cable (10) are fastened a set of elements (14) spaced apart with increasing diameter for each element from the top downwards for each inner diameter of the rings (13) so that each element (14) one by one is restricted to pass a corresponding ring (13) and thereby each hoists one by one a bracket (12) holding the cable (10).
    Type: Grant
    Filed: March 2, 1993
    Date of Patent: May 24, 1994
    Assignee: Bromma Conquip AB
    Inventor: Erik Nielsen
  • Patent number: 5286921
    Abstract: An electrical cable comprises a central conductor core protected by an intermediate sealing sheath of insulating material. The intermediate sheath is surrounded by armoring and the armoring by an outer sealing sheath of insulating material. The cable includes an electrical joint in its central core. The outer and intermediate sheaths and the armoring are cut and removed over the joint. The cable further comprises an over-molding forming a sleeve around the joint and extending over the outer sheath on either side of the joint. The armoring and the outer sheath are cut and removed over a portion of length greater than the portion over which the intermediate sheath is removed, thereby defining, on either side of the joint, a shoulder and a step between the intermediate sheath and the outer sheath. The over-molding engages snugly over the shoulders and the steps to form a watertight seal therewith.
    Type: Grant
    Filed: June 29, 1992
    Date of Patent: February 15, 1994
    Assignee: Filotex
    Inventors: Michel Fontaine, Patrick Rofidal
  • Patent number: 5283392
    Abstract: An electric power cable line is arranged in which the insulating layer is increased to a greater thickness at two end portions of each cable than a thickness at the other or center portion of the same. Since the insulating layer is increased in thickness at the end portions of the cable, thus an electrical stress exerted on the overall layer construction of the end portions is lowered. Hence, the dielectric strength of the end portions of the cable becomes high and the power cable line will thus be increased in the operational reliability.
    Type: Grant
    Filed: April 3, 1992
    Date of Patent: February 1, 1994
    Assignee: Fujikura Ltd.
    Inventors: Hiroto Ooshima, Michio Takaoka, Hisao Sakaguchi
  • Patent number: 5278358
    Abstract: A repeater access cable contains transmission members enclosed in a protective tube which is in turn covered by a sheath, and which has a free end making a connection to a splice box. The free end is equipped with a coupling fixed on the protective tube stripped of its sheath. The repeater access cable coupling screws onto an entrance of the splice box and is fixed by crimping and gluing that end portion of the coupling which remains outside the splice box onto the protective tube. The connection has application to an optical cable under-sea link.
    Type: Grant
    Filed: May 6, 1992
    Date of Patent: January 11, 1994
    Assignee: Alcatel Cable
    Inventor: Jean-Francois Blondin
  • Patent number: 5235137
    Abstract: A buoyant cable, particular for magnetic minesweeping applications, comprising a bundle of electrically conductive tubes (1) with an overall electrically-insulating sheath (4), the tubes providing buoyancy, strength and electrical conductivity for the cable. The sheath may have an internal reinforcing braid.
    Type: Grant
    Filed: July 29, 1991
    Date of Patent: August 10, 1993
    Assignee: Northern Telecom Limited
    Inventors: Idwal D. L. Jones, Granville Lawrence, Robert Waters
  • Patent number: 5150442
    Abstract: A combined electric/optic cable has a triaxial cable having, along one and the same central axis, three imbricated, concentric, tubular, electric conductors and a central optic fiber. The present invention may find particular application in high definition television systems.
    Type: Grant
    Filed: March 12, 1991
    Date of Patent: September 22, 1992
    Assignee: Thomson Video Equipement
    Inventor: Gerard Desmons
  • Patent number: 5133034
    Abstract: An optical fiber cable (20) which is particularly suited for shipboard use includes a core (22) and a sheath system (30). The core includes a plurality of optical fiber cable components (24,24) each including a buffered fiber (26) and high strength aramid yarn (27). About the four optical fiber cable components which are arranged about a central organizer (25) is a waterblocking-strength member system (32) which includes at least two spaced layers (33,33) each comprising a superabsorbent material. A strength member layer (40) is disposed between each two adjacent superabsorbent layers. An outer jacket (34) comprises a plastic material which in a preferred embodiment includes a low halogen, fire-resistant material.
    Type: Grant
    Filed: August 20, 1991
    Date of Patent: July 21, 1992
    Assignee: AT&T Bell Laboratories
    Inventors: Candido J. Arroyo, Jill B. Fluevog, Krishnaswamy Kathiresan
  • Patent number: 5131067
    Abstract: A mechanical fuse device for an access cable to a submerged equipment housing in a cable transmission link, said access cable including a tube enclosing items that provide transmission and being equipped with a longitudinal sealing device, wherein the mechanical fuse device comprises means for responding to traction exerted on the cable upstream relative to the equipment housing by retaining a portion of the cable upstream from the sealing device and exerting a crushing effect on the tube.
    Type: Grant
    Filed: July 31, 1991
    Date of Patent: July 14, 1992
    Assignee: Alcatel Cit
    Inventors: Jacques Cachot, Andre Pelet, Francois Crespo-Ruiz
  • Patent number: 5125061
    Abstract: The cable has optical fibers embedded in a material filling the tube which itself lies inside a helical lay of metal wires having high mechanical strength and in which the interstices are filled with a sealing material. The cable includes a first extruded sheath between the tube and the helical lay, and the helical lay is itself covered by a second extruded sheath which is insulating and abrasion resistant, and if the cable is for a remotely-powered link, it includes a conductive strip on the tube or on the first sheath.
    Type: Grant
    Filed: July 16, 1991
    Date of Patent: June 23, 1992
    Assignee: Alcatel Cable
    Inventors: Gery Marlier, Jean-Francois Libert
  • Patent number: 5125062
    Abstract: The undersea cable has optical fiber embedded in material filling a tube which itself lies inside a helical lay of metal wires having high mechanical strength, the interstices between the wires of the helical lay being filled with a sealing material. The helical lay is surrounded by an extruded sheath made of an electrically insulating and abrasion resistant material, and for the purposes of remotely powering equipment interposed on the cable, the cable includes conductive means either belonging to the helical lay or surrounding it, said conductor means being surrounded by said sheath.
    Type: Grant
    Filed: July 16, 1991
    Date of Patent: June 23, 1992
    Assignee: Alcatel Cable
    Inventors: Gery Marlier, Jean-Francois Libert
  • Patent number: 5113036
    Abstract: An undercarpet cable (40) includes a plurality of longitudinally extending interlocking segments (42--42). The segments are designed each to have an optical fiber (33) housed therein or when interlocked in an assembly to provide a longitudinally extending cavity for receiving an optical fiber. The assembly of segments is capable of being routed along at least two paths which are normal to each other. Advantageously, longitudinal relative motion between adjacent ones of the segments and between the optical fiber and the segments is allowed. As a result, the cable may be routed in tortuous paths under a carpet to service workstations as desired.
    Type: Grant
    Filed: April 25, 1990
    Date of Patent: May 12, 1992
    Assignee: AT&T Bell Laboratories
    Inventors: Candido J. Arroyo, Manfred R. Gotthardt
  • Patent number: 5081695
    Abstract: A bend restrictor for an optical fibre cable comprises an elongate sleeve-like member (5) having an axial through bore for accommodating the cable (1a, 1b), and a coupling ring (6) for fixing the sleeve-like member to a rigid housing (4) from which the cable extends. The sleeve-like member (5) is provided with a plurality of longitudinal bores (7), into some or all of which can be fitted stiffening rods (8). By varying the number and lengths of the stiffening rods (8), the rigidity of the sleeve-like member (5) can be varied to suit the particular structure of the cable (1a, 1b).
    Type: Grant
    Filed: April 2, 1991
    Date of Patent: January 14, 1992
    Assignee: British Telecommunications public limited company
    Inventor: Colin A. Gould
  • Patent number: 5042904
    Abstract: A method and apparatus for providing a talk path in a longitudinal cavity of an enhanced crush, impact, and cut-through resistant communications cable. The talk path is especially suited for a fiber optic communications cable. The cable jacket is formed of a deformable material having a plurality of longitudinal cavities spaced about the cable core. A longitudinal cavity may contain a copper pair or optical fiber to serve as a talk path during servicing of the cable. The talk path may be readily accessed by a service technician without exposing the inner core or the communications cable.
    Type: Grant
    Filed: July 18, 1990
    Date of Patent: August 27, 1991
    Assignee: Comm/Scope, Inc.
    Inventors: Christopher A. Story, Paul A. Wilson
  • Patent number: 5039195
    Abstract: A hybrid optical fiber, copper conductor transmission media cable (20) which is suitable for use in local area network application includes a core (22) comprising two arrays (25,40) of longitudinally extending portions. One array (25) includes optical fibers disposed between two strength members (27--27) whereas the other array comprises metallic conductors (42--42). Each array includes a matrix material (30,45) in which the longitudinally extending portions are enclosed with adjacent portions being connected by a web (32,47). The two arrays are enclosed by a jacket (50) which has an oval shaped configuration. The configuration of component portions of the cable as well as the materials thereof are determined to cause the neutral axis of bending to be in a desired location which minimizes losses in the transmission media.
    Type: Grant
    Filed: May 29, 1990
    Date of Patent: August 13, 1991
    Assignee: AT&T Bell Laboratories
    Inventors: Artis C. Jenkins, Parry A. Moss, Carla G. Wilson
  • Patent number: 5018825
    Abstract: In an overhead optical transmission system in which an optical cable is freely supported between towers employed to support overhead electric power transmission lines and in which each end of the suspended length of optical cable is secured to a tower by means of a metal termination fitting which surrounds and is clamped on a part of a length of the optical cable at or near this end, each metal termination fitting of the cable over a part of the length of the fitting extending to the end of the fitting remote from the tower and an immediately adjacent part of the length of the optical cable are surrounded by a shield of an electrically conductive metal or of a semi-conductive plastics material sufficiently conductive to reduce arcing and/or joule heating.
    Type: Grant
    Filed: June 4, 1990
    Date of Patent: May 28, 1991
    Assignee: BICC Public Limited Company
    Inventor: Simon M. Rowland
  • Patent number: 5003129
    Abstract: A protecting structure for a harness arranged over stationary and movable sides of a telescopic steering column comprises a flat, wide harness protector for protecting the harness. The harness protector includes a pair of openings opposing each other in its longitudinal direction to introduce the harness thereinto or to extract the harness therefrom. The harness protector is in itself constructed to telescopically move according to telescopic motion of the steering column when the harness protector is arranged over both of the stationary and movable sides of the steering column. The harness protector includes a harness guide provided midway therebetween for defining two branch harness passageways converged towards the openings to arrange the harness in such a manner as to branch the harness into two harness sections in its transverse direction, thereby allowing the two branched harness sections to move inwardly or outwardly in a transverse direction according to the telescopic motion of the steering column.
    Type: Grant
    Filed: June 1, 1990
    Date of Patent: March 26, 1991
    Assignee: Nissan Motor Company, Ltd.
    Inventors: Shunichi Toyomasu, Kazuyuki Mori
  • Patent number: 5000539
    Abstract: A high resistivity cable for transmitting optical information. The cable includes a resilient buffer tube holding an optical conductor for transmitting the optical information. A high dielectric gel is packed inside of the tube to fill the space not occupied by the conductor. The cable also includes a flexible high dielectric braid surrounding the tube throughout its length for increasing the tensile strength of the cable. The interstices of the braid are filled with a high dielectric gel to prevent moisture from entering the braid. The cable also includes an electrically insulative resilient outer jacket. A method of manufacturing the cable is also disclosed.
    Type: Grant
    Filed: July 31, 1989
    Date of Patent: March 19, 1991
    Assignee: Cooper Industries, Inc.
    Inventor: Galen M. Gareis
  • Patent number: 4993805
    Abstract: Disclosed is a composite overhead cable structure having high seal properties, comprising a metallic pipe, at least one layer of stranded metallic elongated conductor surrounding the outer periphery of the pipe, and an optical fiber cable disposed within and extending throughout the length of the pipe, wherein the metallic pipe comprises at least two metallic pipe sections which are arranged in alignment and connected at their respective confronting terminals having contours complementary to each other and wherein the metallic pipe has a specific structure of connection between the mutually adjacent pipe sections, such that a longitudinal through-weld extends along the entire length of the metallic pipe and such that a connecting turning weld extends between first and second different points on the longitudinal through-weld of the metallic pipe so as to turn around the axis of said metallic pipe, the first and second points being positioned at a distance which satisfies a specific relationship.
    Type: Grant
    Filed: May 31, 1990
    Date of Patent: February 19, 1991
    Assignee: Fujikura Ltd.
    Inventors: Kazuya Abe, Toshiya Shinozaki, Masaru Akinaga
  • Patent number: 4985801
    Abstract: A tube for the circulation of a flammable fluid, adapted to be mounted in a structure, made at least partially of electrically insulating material, capable of being subjected to electrical disturbances of atmospheric origin. Tube (3) comprises two endpieces (5) for joining made of electrically conductive material and a body (6). Tube body (6), of which at least the inner surface is electrically conductive over the major part of its length, presents at least one electrically insulating section (10). The tube particularly applicable as fuel conduits for aircraft.
    Type: Grant
    Filed: February 7, 1989
    Date of Patent: January 15, 1991
    Assignee: Aerospatiale Societe Nationale Industrielle
    Inventors: Guy Hellard, Amour Bedes
  • Patent number: 4969706
    Abstract: A plenum cable (20) includes a core (22) comprising at least one transmission medium such as a metallic conductor. The metallic conductor is insulated with a layer (27) of a plastic composition of material which includes a non-halogenated constituent such as, for example, a polyetherimide. Covering the insulated metallic conductor is a jacket (39) comprising a halogenated material such as a fluoropolymer. The cable exhibits excellent flame retardant properties as well as acceptable levels of corrosion and toxicity.
    Type: Grant
    Filed: April 25, 1989
    Date of Patent: November 13, 1990
    Assignee: AT&T Bell Laboratories
    Inventors: Tommy G. Hardin, Behrooz A. Khorramian
  • Patent number: 4956523
    Abstract: An armoured electric cable having integral tensile members to provide additional tensile strength. The tensile members are embedded in an inner PVC jacket which securely grips the central insulated conductors over which it is extruded. The jacket is, in turn, securely gripped by an armour cover formed of a steel strip which is wound helically around the jacket and bites into longitudinal ridges on the jacket. The armour coating has an undulating shape and is covered by an outer PVC jacket which is extruded over it. Thus, in the vertical position much of the weight of the insulated conductors, inner and outer PVC jackets and armour coating can be supported by the tensile members without producing dangerous longitudinal slippage or creepage between them.
    Type: Grant
    Filed: May 26, 1989
    Date of Patent: September 11, 1990
    Assignees: United Wire & Cable (Canada) Inc., UMR-Lukton Inc.
    Inventor: Robert R. Pawluk
  • Patent number: 4913516
    Abstract: The present invention relates to a submarine optical fiber cable which is comprised of a plurality of relatively large diameter tension wires wound around an optical fiber unit in a close fitting manner so as to form a single layer which acts as a tension body, and root portions between the first tension wires caused by winding the first tension wires which covered by relatively small diameter second tension wires. Due to the second tension wires, deformation of the tension body of the stranded wires can be prevented and the pressure resistance and the tensile strength can be improved.
    Type: Grant
    Filed: October 3, 1988
    Date of Patent: April 3, 1990
    Assignee: Ocean Cable Co., Ltd.
    Inventor: Jiro Ikeda
  • Patent number: 4895426
    Abstract: Apparatus for interconnecting a missile/RCV launch device with a remote control station includes composite cable having glass fibers for transmitting optical signals and electrical conductors embedded in a coating layer that is reinforced with fibers, for transmitting electric power. The apparatus also includes electrical and optical connectors at the cable end portions wherein the reinforcing fibers are grouped with the glass fiber at termination.
    Type: Grant
    Filed: September 20, 1988
    Date of Patent: January 23, 1990
    Assignee: The Boeing Company
    Inventor: George T. Pinson
  • Patent number: 4866214
    Abstract: A cable used with a subsoil penetrating tool which contains a plurality of tubes and hoses used to transport all operational fluids and a plurality of electrical conducting wires used to transmit power ane electrical impulses for information. A unique internal structure reduces the rotation of the cable as the tool advances and provides rigidity to the cable to allow for the transmission of compressional forces along the cable to be applied to the advancing tool.
    Type: Grant
    Filed: June 2, 1988
    Date of Patent: September 12, 1989
    Assignee: Underground Technologies, Inc.
    Inventor: Frank R. Kinnan
  • Patent number: 4859024
    Abstract: An optical fiber cable with optical fibers surrounded by a first gas blocking layer which is surrounded by a second gas blocking layer spaced from the first layer so as to provide longitudinal gas flow channels between the first and second layers. The channels are filled with a gas under a pressure above atmospheric pressure so that when the second layer is punctured, there is a gas flow and/or gas pressure drop indicating such puncturing and hence, if caused by tampering, the fact of tampering. Also, devices for indicating the gas flow and/or pressure drop and alarms and/or signal transmission terminating apparatus responsive to such devices.
    Type: Grant
    Filed: March 10, 1988
    Date of Patent: August 22, 1989
    Assignee: Pirelli Cable Corporation
    Inventor: Mujib Rahman
  • Patent number: 4844575
    Abstract: An optical fiber cable (20) includes a core (21) comprising at least one optical fiber (24) which is enclosed in a tubular member (34) and which includes a sheath system (40). The sheath system includes two strength members 42--42 which extend linearly longitudinally along the cable parallel to a longitudinal axis (29) of the cable. The strength members are enclosed in a plastic jacket (46). The strength members have predetermined relative tensile and compressive stiffnesses. The stiffnesses are such that the strength members are capable of withstanding expected compressive as well as tensile loading and are coupled sufficiently to the jacket to provide a composite arrangement which is effective to inhibit contraction and which controls the position of the neutral axis during bending while providing suitable flexibility.
    Type: Grant
    Filed: April 10, 1987
    Date of Patent: July 4, 1989
    Assignees: American Telephone and Telegraph Company, AT&T Bell Laboratories, AT&T Technologies, Inc.
    Inventors: Michael D. Kinard, Andrew J. Panuska, Mickey R. Reynolds, Manuel R. Santana, George H. Webster