USPTO Wire & Cable Industry Patents for May 2021

Cable Processing Machine with Movable Guide Elements and Method for Laying a Cable in a Cable Processing Machine United States Patent 10,974,924 Issued April 13, 2021 Inventors: Reto Eggimann, Rothenburg, Switzerland; and Dominik Staubli, Horw, Switzerland Assignee: Komax Holding AG, Dierikon, Switzerland A cable processing machine includes a cable feeding device for moving a cable in a feed direction. The cable feeding device has a first guide element and a second guide element, between which elements the cable is guided at least in an operating mode of the cable processing machine. The spacing between the two guide elements is selectively variable. A method for laying a cable in the cable processing machine includes moving one or both of the guide elements relative to one another when the cable processing machine is shifted between the operating mode and a cable laying mode.

Three-Wire Communication Cable United States Patent 10,971,285 Issued April 6, 2021 Inventors: Frederick J. Kelley, Lexington, MI, USA; Gregg R. Szylakowski, Loveland, OH, USA; and Scott M. Brown, Independence, KY, USA Assignee: General Cable Technologies Corporation, Highland Heights, KY, USA Three-wire communication cables are useful for operation with a vehicle as vehicular data communication cables. The cables include a cable core formed of three insulated wires twisted together at a defined pitch and a jacket surrounding the cable core. The cables can meet Mobile Industry Processor Interface (MIPI) C-PHY standard (Version 1.2) as well as International Standards Organization (ISO) 6722-1 (2011) and 14572 (2011).

Superconducting Wire and Superconducting Coil United States Patent 10,971,278 Issued April 6, 2021 Inventors: Kosei Fukuoka, Kitamoto, Japan; Yuki Ito, Ageo, Japan; and Kazunari Maki, Saitama, Japan 4/26/2021 Wire and Cable Technology International May/June 2021 2/8 Assignee: Mitsubishi Materials Corporation, Tokyo, Japan This superconducting wire includes:a strand including a superconducting material; and a stabilizer material for superconductor arranged in contact with the strand, wherein the stabilizer material for superconductor includes a copper material which contains one kind or two kinds or more of additive elements selected from Ca, Sr, Ba and rare earth elements (RE) for a total amount of 3 ppm by mass or more and 400 ppm by mass or less, with the remainder being Cu and unavoidable impurities, the total concentration of the unavoidable impurities other than O, H, C, N and S, which are gas components, is 5 ppm by mass or more and 100 ppm by mass or less, and compounds including one kind or two kinds or more selected from CaS, CaSO4, SrS, SrSO4, BaS, BaSO4, (RE)S and (RE)2SO2 are present in the matrix.

Metal Wire, Saw Wire, Cutting Apparatus, and Method of Manufacturing Metal Wire United States Patent 10,967,447 Issued April 6, 2021 Inventors: Tomohiro Kanazawa, Osaka, Japan; Naoki Kohyama, Osaka, Japan; Yoshihiro Iguchi, Osaka, Japan; Yuuki Sasagawa, Osaka, Japan; Tetsuji Shibata, Osaka, Japan; and Toshiyuki Tani, Shiga, Japan Assignee: Panasonic Intellectual Property Management Co., Ltd., Osaka, Japan A metal wire containing tungsten is provided. A tungsten content of the metal wire is at least 90 wt %. A tensile strength of the metal wire is at least 4000 MPa. An elastic modulus of the metal wire is at least 350 GPa and at most 450 GPa. A diameter of the metal wire is at most 60 um. An average crystal grain size of the metal wire in a cross-section orthogonal to an axis of the metal wire is at most 0.20 um.

Hybrid Cable for Reinforcing Polymeric Articles and Reinforced Articles United States Patent 10,968,566 Issue April 6, 2021 Inventors: Daniel Beal, Columbia, MO, USA; and Yelena Gray, Parker, CO, USA Assignee: Gates Corporation, Denver, CO, USA A hybrid cable having a core and a wrap; the core made from a carbon fiber yarn or bundle of carbon fiber strands or yarns; and the wrap made of a plurality of metal wires helically wrapped around the core, the plurality of metal wires laid side by side without crossing each other. The fibers, yarns or core may be treated with polymeric sizing, adhesive, or binder. The wire may be steel and may have a coating such as brass or zinc plating, or a polymeric coating or treatment. The hybrid cable is useful for reinforcing composite articles such as belts, track or hose.

Sheathed Optical Ribbon Cable Assembly United States Patent 10 969 551  Issued April 6, 2021 Inventors: Dwight David Zitsch, Carlisle, PA, USA; and Zaheer Rabi, Swindon, Great Britain Assignees: TE Connectivity Corporation, Berwyn, PA, USA; and Tyco Electronics UK Ltd., Swindon, Great Britain A cable assembly comprising: (a) a ribbon cable having a plurality of optical fibers having endfaces; (b) an elastomeric sheathing being disposed over at least a portion of the ribbon cable and terminating in a sheathing end near the endfaces such that the endfaces protrude beyond the sheathing end; (c) a ferrule having an mating surface presenting the endfaces, and a rear end having a rear opening through which the optical fibers pass, the rear end contacting the sheathing end to form an adhesive tight seal sufficient to prevent liquid adhesive in the ferrule from flowing out of the rear opening; and (d) adhesive disposed in the ferrule to secure the optical fibers to the ferrule.

Low Smoke, Zero Halogen Self-Regulating Heating Cable United States Patent 10,966,290 March 30, 2021 Inventors: Sirarpi Bicakci Jenkins, Menlo Park, CA, USA; and Jonathan Jones, Halle-Booienhoven, Belgium Assignee: nVent Services GmbH, Schaff hausen, Switzerland A low smoke, zero halogen self-regulating heating cable includes a semi-conductive heating core and two conductive wires embedded within and separated by the semi-conductive heating core. The cable also includes a primary jacket surrounding the semi-conductive core, a braid surrounding the primary jacket and a final jacket surrounding the braid. At least one of the primary jacket and the final jacket includes a low smoke, zero halogen material.

Barbed Wire Stent United States Patent 10,959,864 Issued March 30, 2021 Inventors: Kevin D. Wilger, Lafayette, IN, USA; and Ryan C. Bradway, West Lafayette, IN, USA. Assignee: Cook Medical Technologies LLC, Bloomington, IN, USA Disclosed herein is a stent which includes stent ring structures made up of at least one wire and at least one tubular connector through which a portion of the wire is disposed. The tubular connector includes a side wall with an aperture formed there-through. A portion of the wire extends therethrough and acts as a barb. A method of making such a stent is also disclosed.

Core Electric Wire for Multi-Core Cable and Multi-Core Cable United States Patent 10,964,452 Issued March 30, 2021 Inventors: Shigeyuki Tanaka, Osaka, Japan; Shinya Nishikawa, Osaka, Japan; Hiroyuki Okawa, Kanuma, Japan; Takaya Kohori, Kanuma, Japan; Yuihei Mayama, Kanuma, Japan; and Takayuki Hirai, Kanuma, Japan Assignee: Sumitomo Electric Industries, Ltd., Osaka, Japan Provided are a core electric wire for multi-core cable that is superior in flex resistance at low temperature, and a multi-core cable employing the same. A core electric wire for multicore cable according to an aspect of the present invention comprises a conductor obtained by twisting element wires, and an insulating layer that covers an outer periphery of the conductor, in which, in a transverse cross section of the conductor, a percentage of an area occupied by void regions among the element wires is from 5% to 20%. An average area of the conductor in the transverse cross section is preferably from 1.0 mm2 to 3.0 mm2. An average diameter of the element wires in the conductor is preferably from 40 um to 100 um, and the number of the element wires is preferably from 196 to 2450. The conductor is preferably obtained by twisting stranded element wires obtained by twisting subsets of element wires. The insulating layer preferably comprises as a principal component a copolymer of ethylene and an alpha-olefin having a carbonyl group.

Power Cable with Enhanced Ampacity United States Patent 10,964,450 Issued March 30, 2021 Inventors: Luca Giorgio Maria De Rai, Milan, Italy; Michelangelo Graziano, Milan, Italy Assignee: Prysmian SpA, Milan, Italy A power cable includes an electric conductor; an electrical insulation layer surrounding the electrical conductor; a cooling system including a cooling duct substantially parallel to the electrical conductor along a power cable longitudinal axis and configured to flow a cooling fluid; a carbon allotrope layer in direct contact with the electrical conductor, where the carbon allotrope layer is provided between the electric conductor and the cooling duct; and a cable jacket enclosing the electric conductor, the electrical insulation layer, and the cooling system.

Shielded Wire for High Voltage Skin Effect Trace Heating United States Patent 10,959,295 Issued March 23, 2021 Inventors: Wesley Dong, Belmont, CA, USA; and Paul Becker, San Carlos, CA, USA Assignee: nVent Services GmbH, Schaff hausen, Switzerland A skin effect heating system for long pipelines includes a heater cable disposed in a ferromagnetic or other conductive heat tube, the heater cable and heat tube cooperating to produce heat that is applied to the carrier pipe The heater cable includes a conductor surrounded by an insulating  applied to the carrier pipe. The heater cable includes a conductor surrounded by an insulating layer, and then a semiconductive outer layer or “jacket”. The semiconductive jacket contacts the inner surface of the heat tube, where the charge density of the return current carried by the heat tube is at its highest. The semiconductive jacket material has a resistivity that is sufficiently low to reduce or eliminate arcing events such as corona discharge by allowing accumulated charge on the heat tube to dissipate. The resistivity is also high enough to prevent the return current from flowing into or through the semiconductive outer layer, so that heat production capacity of the system is maximized.

Wire Harness Conduction Inspection Method and Wire Harness Conduction Inspection Program United States Patent 10,955,452 Issued March 23, 2021 Inventor: Kohta Ohishi, Toyota, Japan Assignee: Yazaki Corporation, Tokyo, Japan A wire harness conduction inspection method performed by a computer includes determining whether wirings included in two wire harnesses arranged in adjacent divided areas are conducted by a connector that connects the two wire harnesses, based on an actual wiring diagram that describes wirings to drive a certain electrical system mounted on a vehicle, a matrix table that describes specification for a wire harness to identify the electrical system constituting a portion of a circuit, for each wire harness mounted on the vehicle, and a connector diagram that describes a connector, a corresponding relationship between the connector and the wirings, and specification for the connector to identify the electrical system constituting the portion of the circuit.

Parallel Wire Cable United States Patent 10,955,069 Issued March 23, 2021 Inventor: Walter L. Lambert, Muskogee, OK, USA Assignee: Ultimate Strength Cable, LLC, Tulsa, OK, USA A parallel wire cable is produced from a plurality of wires arranged in a bundle for use as a structural cable. Each wire in the plurality of wires is parallel to every other wire in the bundle, and each wire in the plurality of wires is tensioned to a tension value.

Moisture Curable Composition for Wire and Cable Insulation and Jacket Layers United States Patent 10,954,410 Issued March 23, 2021 Inventors: Xindi Yu, Collegeville, PA, USA; Yichi Zhang, Collegeville, PA, USA; Bharat I. Chaudhary, Collegeville, PA, USA; and Gerald Lawrence Witucki, Midland, MI,  Assignees: Dow Global Technologies LLC, Midland, MI, USA; Rohm and Haas Company, Collegeville, PA, USA; and Dow Silicones Corporation, Midland, MI, USA. An insulation or jacket layer for a coated conductor is composed of (A) a crosslinked silanefunctionalized polyolefin, (B) a filler, (C) a reactive branched polysiloxane and (D) from 0.00 wt % to 20 wt % of a silanol condensation catalyst.

Apparatus and Method for Packaging Wire or Cable in a Barrel or Drum Container United States Patent 10,954,099 Issued March 23, 2021 Inventors: William T. Bigbee, Jr., Melissa, TX, USA; John L. Rhoads, The Colony, TX, USA; Andrew P. Hull, McKinney, TX, USA; and Benjamin L. Weatherford, Princeton, TX, USA Assignee: Encore Wire Corporation, McKinney, TX, USA An apparatus for the accumulation of wire or cable, the apparatus including a collapsible reel assembly, the collapsible reel assembly including a central hollow arbor, a fixed inner support structure axially centered on and rigidly attached to the central hollow arbor, wherein the fixed inner support has a first end and a second end, a fixed flange, axially centered on and attached to the first end of the fixed inner support structure, a removable flange, axially centered on and removably attached to the second end of the fixed inner support structure opposite the fixed flange and an inner drum assembly. The inner drum assembly including a plurality of moving inner support structures movably attached to the fixed inner support structure and a plurality of inwardly collapsible drum segments. Wherein the inwardly collapsible drum segments collapse inward after the removable flange is removed from the collapsible reel assembly.

High Voltage Three-Phase Cable United States Patent 10,957,469 Issued March 23, 2021 Inventors: Bartolomeo D’Agostino, Milan, Italy; and Massimo Bechis, Milan, Italy Assignee: Prysmian SpA, Milan, Italy High voltage three-phase cable comprising three cores positioned so as to assume the configuration with minimum radial dimension and a sheath surrounding the three cores, wherein each core comprises an electric conductor having a substantially triangular shaped cross section with vertex portions and edges; an insulating system surrounding the electric conductor, the insulating system comprising an inner semiconducting layer surrounding the electric conductor, an insulating layer surrounding and in contact with the inner semiconducting layer and an outer semiconducting layer surrounding and in contact with the insulating layer, the layers of the insulating system being made of an extruded polymeric material having a dielectric constant comprised from 2 to 2.5; and a metallic screen surrounding the insulating system.

Insulated Wire and Winding United States Patent 10,950,365 Issued March 16, 2021 Inventors: Hidehito Hanawa, Hitachi, Japan; and Hideyuki Kikuchi, Hitachi, Japan Assignee: Hitachi Metals, Ltd., Tokyo, Japan An insulated wire includes a conductor, a first insulation coating layer which is provided directly on the conductor and includes a polyamide-imide resin including dispersed inorganic fine particles, and a second insulation coating layer which is provided on the outer circumference of the first insulation coating layer and includes a polyamide-imide resin or a polyimide resin. A minimum winding multiplied diameter that does not cause a crack in the first insulation coating layer when the insulated wire is elongated by 30% by a method in compliance with JISC 3216 “5.1.1” and is wound around a winding bar is greater than 2d but smaller than 4d (where d is a conductor diameter of the insulated wire).

Heating Cable United States Patent 10,952,284 Issued March 16, 2021 Inventors: Werner Schluter, Iserlohn, Germany; Christian Babilon, Iserlohn, Germany; and Gilles Gagnon, Quebec, Canada Assignee: Schluter Systems LP, Plattsburgh, NY, USA A cable includes a first wire-shaped metal conductor, a second metal conductor extending a predetermined distance away from and parallel to the first conductor, and a matrix made of a PTC material extending along the conductors, touching the latter and connecting them to one another electrically, with temperature-dependent electrical resistance and a positive temperature coefficient. At least one electrically insulating outer insulation layer surrounds the conductors and the matrix annularly. At least a third and a fourth metal conductor extend a predetermined distance away from and parallel to the first conductor, touch the matrix and are connected electrically by means of the latter to the first conductor, the second, the third and the fourth conductor being made in a wire shape and, considering the cross-section of the cable, being arranged distributed evenly over a circular track surrounding the first conductor.

Polymer Composition and a Power Cable Comprising the Polymer Composition United States Patent 10,950,366 Issued March 16, 2021 Inventors: Ulf Nilsson, Stenungsund, Sweden; Annika Smedberg, Myggenas, Sweden; Alfred Campus, Eysins, Switzerland Assignee: Borealis AG, Vienna, An alternating current (AC) power cable includes a conductor surrounded by at least an inner semiconductive layer including a first semiconductive composition, an insulation layer including a polymer composition, an outer semiconductive layer including a second semiconductive composition, and optionally a jacketing layer including a jacketing composition, in that order. The polymer composition of the insulation layer includes an unsaturated low density polyethylene (LDPE) copolymer of ethylene with one or more polyunsaturated comonomers and a crosslinking agent.

Methods and Compositions for Fabrication of Superconducting Wire United States Patent 10,937,561 Issued March 2, 2021 Inventors: Nathaniel Pogue, Livermore, CA, USA; Joshua N. Kellams, College Station, TX, USA; and Peter McIntyre, Bryan, TX, USA Assignee: The Texas A&M University System, College Station, TX, USA The present disclosure relates generally to wires and more particularly to textured powder wires containing nanoscale metallic silver powder. The invention presents an improvement of the process of making compressed cores of texturedpowder high-temperature superconductor previously using the micaceous high-temperature superconductor Bi-2212. Embodiments of the claimed methods are useful with the micaceous high-temperature superconductors, notably Bi2Sr2CaCu208+x (Bi2212) and Bi2Sr2Ca2Cu3O10+x (Bi- 2223) and rare earth barium copper oxide (REBCO).

Fire Resistant Data Communication Cable United States Patent 10,937,569 Issued March 2, 2021 Inventors: Greg Raymond Szylakowski, Loveland, OH, USA; and Scott M. Brown, Independence, KY, USA Assignee: General Cable Technologies Corporation, Highland Heights, KY, USA Data communication cables include twisted wire pairs, a fire retardant tape, and a jacket layer. The fire retardant tape surrounds the twisted wire pairs has an overlap of about 15% to about 25%. The data communication cables are also halogenfree and may pass the fire retardant standards of National Fire Protection Agency (NFPA) 130

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