Patents Represented by Attorney J. David Abernethy
  • Patent number: 5425121
    Abstract: Light, flexible tubes are placed around optical fibers extending from the end of a cable jacket. A water impervious plug encases the end of the cable jacket and a portion of the flexible tubes. Couplers are attached to the light waveguide terminal ends and the optical couplers and the plug are placed in an opto-electronic equipment closure. The assembly is designed for use with cable television system aerial closures.
    Type: Grant
    Filed: February 2, 1994
    Date of Patent: June 13, 1995
    Assignee: Siecor Corporation
    Inventors: Terry L. Cooke, David H. Mutzabaugh
  • Patent number: 5421928
    Abstract: A method of preparing for polishing the end face of a fiber optic connector having an optical fiber held by a ferrule. A laser beam removes the portion of the optical fiber tip projecting beyond a predetermined distance. The beam has a spot size selected so as to also remove excess epoxy.
    Type: Grant
    Filed: July 1, 1994
    Date of Patent: June 6, 1995
    Assignee: Siecor Corporation
    Inventors: Dennis M. Knecht, James P. Luther
  • Patent number: 5420955
    Abstract: A light waveguide cable contains a layer of U-shaped carriers around a central core. Each U-shaped carrier contains a light waveguide fiber, bundle, ribbon, or ribbon stack. Carrier legs have a predetermined hinge line at a distance from the carrier base greater than the thickness of the light waveguide fiber, bundle, ribbon or ribbon stack. The carrier legs may have a smaller thickness or a concavity at the hinge line.
    Type: Grant
    Filed: June 22, 1994
    Date of Patent: May 30, 1995
    Assignee: Siecor Corporation
    Inventors: Harriet G. Cooke, Jeffrey L. Dellinger, Christopher K. Eoll, Gregory A. Lochkovic
  • Patent number: 5416874
    Abstract: A cable assembly for attachment to an entry port of an optical enclosure. The assembly includes a plug for an end of an optical cable in a sealed housing having a single rigid tube and a single sealed nut. Connectorized optical fibers or an optical ribbon extend from the plug into the equipment enclosure.
    Type: Grant
    Filed: July 1, 1994
    Date of Patent: May 16, 1995
    Assignee: Siecor Corporation
    Inventors: Markus A. Giebel, Terry L. Cooke
  • Patent number: 5414765
    Abstract: Disclosed is a network interface device for connecting network wiring to a subscriber's wiring at a subscriber's premises, the network interface device having a door covering a test jack, with means for connecting the network wiring to the subscriber wiring when the door is closed and connecting the network wiring to the test jack when the door is open.
    Type: Grant
    Filed: August 23, 1993
    Date of Patent: May 9, 1995
    Assignee: Siecor Corporation
    Inventors: Todd C. Lanquist, James W. Goodson
  • Patent number: 5410596
    Abstract: A station protector module contains telephone company terminals and subscriber terminals. The module has apparatus for grounding the module in a network interface device and also has means for grounding upon extended grounding current flow through a surge protector in the module. The grounding apparatus becomes operative upon the melting of a fusible means. The surge protector is a single component bidirectional voltage sensitive switch.
    Type: Grant
    Filed: September 27, 1993
    Date of Patent: April 25, 1995
    Assignee: Siecor Corporation
    Inventors: William J. Shannon, John P. DuBois, John J. Napierkowski, Dan Kidd
  • Patent number: 5408564
    Abstract: A method of making a strippable tight buffered cable is disclosed, the cable comprising an optical waveguide fiber, a first protective coat circumscribing and in contact with the outer surface of the optical waveguide an interfacial layer circumscribing and in contact with the external surface of the first protective coating composed of particles of solid lubricant held together with a cross-linked film-forming binder, and a second protective coating circumscribing the external surface of the interfacial layer. Apparatus for making the strippable cable is also disclosed.
    Type: Grant
    Filed: June 27, 1994
    Date of Patent: April 18, 1995
    Assignee: Siecor Corporation
    Inventor: Gregory A. Mills
  • Patent number: 5400426
    Abstract: Disclosed is a fiber optic mechanical splice having one or more grooves transverse to the groove in which the optical fibers lie to dissipate air trapped in index matching material from the junction point of the optical fibers.
    Type: Grant
    Filed: August 19, 1993
    Date of Patent: March 21, 1995
    Assignee: Siecor Corporation
    Inventors: Michael de Jong, Rodney A. Throckmorton, Dennis M. Knecht
  • Patent number: 5399814
    Abstract: Disclosed is a device for bridging a cable over an edge of an exposed flange. An bridge has a first side containing one or more slots capable of receiving the edge of the flange, and a second side curved to allow a cable to pass over the device without kinking or allowing a bend radius less than that of the second side.
    Type: Grant
    Filed: March 15, 1993
    Date of Patent: March 21, 1995
    Assignee: Siecor Corporation
    Inventors: Harley J. Staber, Gregory G. Costley
  • Patent number: 5388175
    Abstract: A light waveguide cable having powder embedded in the outer surfaces of plastic material such as central members, open ribbon carriers, or buffer tubes. Powder is deposited during the extrusion or after subsequent reheating.
    Type: Grant
    Filed: January 25, 1994
    Date of Patent: February 7, 1995
    Assignee: Siecor Corporation
    Inventor: Mary A. Clarke
  • Patent number: 5373744
    Abstract: Disclosed is a compression tester which is designed to simulate as closely as possible the low temperature conditions a cable is subjected to in an outdoor environment. Axially aligned composite sample members are compressed longitudinally while fitted in a cylindrically enclosed space in a specially designed sample die assembly. Testing may take place in an environmental chamber.
    Type: Grant
    Filed: June 24, 1991
    Date of Patent: December 20, 1994
    Assignee: Siecor Corporation
    Inventors: Alan T. Parsons, Catharina L. Tedder
  • Patent number: 5372762
    Abstract: A method for centering a crosshead extrusion die to a tip by fixing the positions of the tip and die while a sizing probe is inserted into the tip and die.
    Type: Grant
    Filed: June 17, 1993
    Date of Patent: December 13, 1994
    Assignee: Siecor Corporation
    Inventors: Charles DeMasters, III, Bruce E. Townsend
  • Patent number: 5373413
    Abstract: A surge arrester for telephone lines comprises a threaded metal enclosure for insertion into a threaded well of a station protector. The protective element within the threaded metal enclosure is a voltage sensitive solid state switch comprising a semiconductor chip sandwiched between two flat electrodes. One electrode is in contact with a metal plate which is in contact with a solder disc. The other electrode is in contact with a metal post disposed in, and extending through, a plastic spacer within the threaded metal enclosure.
    Type: Grant
    Filed: October 5, 1990
    Date of Patent: December 13, 1994
    Assignee: Siecor Puerto Rico, Inc.
    Inventors: William J. Shannon, Mark P. Cote
  • 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: 5371824
    Abstract: Disclosed is an optical transmission element for a light waveguide cable. At least one light waveguide is contained within a tube comprising a thermoplastic polyoxymethylene homopolymer or a copolymer thereof.
    Type: Grant
    Filed: September 30, 1992
    Date of Patent: December 6, 1994
    Assignee: Siecor Corporation
    Inventors: Donald R. Parris, Alan T. Parsons
  • Patent number: 5359688
    Abstract: A pair of rigid metallic clips is inserted over containment numbers in a fiberoptic connector coupling. Rigid leg members mounted on the clips extend along latching members of the containment members, thereby limiting displacement of the latching members owing to spring pressure in connector sleeves joined by the connector coupling.
    Type: Grant
    Filed: March 4, 1994
    Date of Patent: October 25, 1994
    Assignee: Siecor Corporation
    Inventor: David T. Underwood
  • Patent number: 5357565
    Abstract: A telephone network interface enclosure comprises a base and hinge pin integrally molded together as one piece. The enclosure includes a cover and hinge hooks also integrally molded together as one piece. The hinge pin and hinge hooks fit together to form a hinge. There is a hinge shield which, together with the hinge hooks, substantially totally cover the hinge pin.
    Type: Grant
    Filed: December 16, 1992
    Date of Patent: October 18, 1994
    Assignee: Siecor Puerto Rico, Inc.
    Inventors: Walter K. Butler, III, James G. Beahm, Thomas H. Blaisdell
  • Patent number: 5355408
    Abstract: Disclosed is a network interface device having wire connections encased in a potting compound.
    Type: Grant
    Filed: October 26, 1992
    Date of Patent: October 11, 1994
    Assignee: Siecor Corporation
    Inventors: Todd C. Lanquist, Kevin L. Strause, Thomas A. Dellinger, John A. Keenum
  • Patent number: 5348586
    Abstract: Apparatus for applying filling compound or the like to a rotating optical ribbon stack comprising a stationary bearing through which a viscous substance is applied under pressure, a rotatable journal, and a ribbon wiping die secured within the journal through which a light waveguide ribbon stack may be passed.
    Type: Grant
    Filed: October 29, 1993
    Date of Patent: September 20, 1994
    Assignee: Siecor Corporation
    Inventors: Kenneth D. Temple, Jr., Keith D. Church
  • Patent number: 5343549
    Abstract: Disclosed is a fiber optic cable in which a plurality of buffer tubes each contain optical fibers and a filling compound. The cable outer jacket and the coating on a central member are each made from a flame resistant plastic material. The cable has an NEC listing of OFNR.
    Type: Grant
    Filed: August 25, 1993
    Date of Patent: August 30, 1994
    Assignee: Siecor Corporation
    Inventors: Samuel D. Nave, Harvey R. McDowell, III