USPTO Wire & Cable Industry Patents for May/June 2022

United States Patent and Trademark Office (USPTO) as compile by the editors of Wire & Cable Technology International

Cable Processing Device
United States Patent 11,309,675
Issued April 19, 2022
Inventor: Dominik Feubli, Kriens, Switzerland
Assignee: komax Holding AG, Dierikon, Switzerland
A cable processing device includes at least one processing unit for assembling a cable and a sorting unit that can be actuated with a selection signal to output a cable received from the processing unit at least on a first side or on a second side according to the selection signal.

Power Cable

United States Patent 11,309,102

Issued April 19, 2022

Inventors: Sung Woo Jang, Donghae-si, South Korea; and Jae Cheol Gwag, Daegu, South Korea

Assignee: LS Cable & System Ltd., Anyang-si, South Korea Provided is a power cable, and more particularly, to an ultrahigh- voltage underground or submarine cable. In detail, the present invention relates to a power cable which is capable of effectively preventing a decrease in dielectric strength due to penetration of copper powder from a copper conductor into an insulating layer, thereby increasing the lifespan thereof, is capable of preventing damage to insulating paper, semiconductor paper, etc. even when repeatedly bent and unfolded, thereby maintaining an interlayer structure formed by winding the insulating paper, the semiconductor paper, etc., and is capable of improving bendability, flexibility, installability, workability, etc.

Armored Data Cable Assembly

United States Patent 11,307,371

Issued April 19, 2022

Inventor: Roman Krawczyk, Lindenhurst, NY, USA

A data cable assembly includes at least one pair of conductors twisted about one another, optionally disposed along an outer surface of a pair separator. The conductors are covered by an inner jacket, and an armor disposed on the outer surface of the inner jacket. The inner jacket is covered by an outer jacket with a rip cord disposed between the armor and the outer jacket.

Electric Propulsion Vehicle Charging Cable and Power Adapter Attached to Electric Propulsion Vehicle Charging Cable

United States Patent 11,305,657

Issued April 19, 2022

Inventors: Naruaki Akai, Nara, Japan; and Kouichi Motooka, Kanagawa, Japan

Assignees: Panasonic Corporation, Osaka, Japan; and Nissan Motor Co., Ltd., Kanagawa, Japan

To provide the electric propulsion vehicle charging cable compatible with power sources of different standards, and the power adapter attached to an electric propulsion vehicle charging cable, the power plug of the electric propulsion vehicle charging cable includes has an electrode structure including three high-voltage electrodes and a high-voltage ground pin, the electric propulsion vehicle charging cable used for charging a battery of the electric propulsion vehicle by using two of the three high-voltage electrodes, and the power adapter has electrode receptacles to which the three high-voltage electrodes and the high-voltage ground pin are connected and connection terminals having an electrode structure corresponding to a power source of a different standard from the electrode structure of the power plug.

Moisture-Cured Wire and Cable Constructions

United States Patent 11,299,616

Issued April 12, 2022

Inventors: Bharat I. Chaudhary, Princeton, NJ, USA; Manish Talreja, Lansdale, PA, USA; Yichi Zhang, Collegeville, PA, USA; Santosh S. Bawiskar, Sugar Land, TX, USA; Peter C. Dreux, Lumberton, NJ, USA; Manish K. Mundra, Collegeville, PA, USA; Abhijit Ghosh-Dastidar, East Brunswick, NJ, USA; Rajen M. Patel, Freeport, TX, USA; Kalyan Sehanobish, Sanford, MI, USA; Chieh Ying Heah, Singapore; and Kenneth Hin-Leong Ong, Singapore, SG

Assignee: Dow Global Technologies LLC, Midland, MI, USA

Articles made from a moisture-crosslinkable, polymeric composition comprising in weight percent based on the weight of the composition: (A) 10 to 99.99 wt% of a nonpolar ethylenic polymer grafted with silane functionality (Si-g-npPE), the npPE having the following properties before grafting: (1) a vinyl content of 0.2 to 0.7 per 1,000 carbon atoms, (2) a melt index of 1.5 to 7.0 dg/min, (3) a density of 0.913 to 0.965 g/ cc, and (4) a molecular weight distribution (Mw/Mn) of equal to or less than 8; (B) 0.01 to 20 wt% of a silanol condensation catalyst; and (C) 0 to 70 wt% of a flame retardant additive; exhibit one or more of desirable (a) silane grafting efficiency; (b) hot creep performance as a cable jacket/insulation after moisture crosslinking; (c) retained dielectric strength after glancing impact as a moisture crosslinked cable construction; and (d) crush resistance as a moisture crosslinked cable construction.

Aluminum Alloy Wire, Aluminum Alloy Strand Wire, Covered Electrical Wire, and Terminal-Equipped Electrical Wire

United States Patent 11,302,457

Issued April 12, 2022

Inventors: Misato Kusakari, Osaka, Japan; Tetsuya Kuwabara, Osaka, Japan; Yoshihiro Nakai, Osaka, Japan; Taichiro Nishikawa, Osaka, Japan; Yasuyuki Otsuka, Yokkaichi, Japan; and Hayato Ooi, Yokkaichi, Japan

Assignees: Sumitomo Electric Industries, Ltd., Osaka, Japan; AutoNetworks Technologies, Ltd., Yokkaichi, Japan; and Sumitomo Wiring Systems, Ltd., Yokkaichi, Japan

An aluminum alloy contains at least 0.03 mass% and at most 1.5 mass% of Mg, at least 0.02 mass% and at most 2.0 mass% of Si, and a remainder composed of Al and an inevitable impurity, a mass ratio Mg/Si being not lower than 0.5 and not higher than 3.5. In a transverse section of the aluminum alloy wire, a rectangular surface-layer void measurement region having a short side of 30 μm long and a long side of 50 μm long is taken from a surface-layer region extending by up to 30 μm in a direction of depth from a surface of the aluminum alloy wire. A total cross-sectional area of voids present in the surface-layer void measurement region is not greater than 2 μm2.

Insulated Electric Cable

United States Patent 11,295,875

Issued April 5, 2022

Inventors: Satoshi Hashimoto, Kanuma, Japan; Yuji Ochi, Kanuma, Japan; Masayuki Ishikawa, Kanuma, Japan; Takami Sagisaka, Kanuma, Japan; and Takaya Kohori, Kanuma, Japan

Assignee: Sumitomo Electric Industries, Ltd., Osaka, Japan

An insulated electric cable including: two first core wires, each of the two first core wires including: a first conductor; and a first insulating layer covering the first conductor; and two second core wires, each of the two second core wires including: a second conductor having a cross-sectional area smaller than that of the first conductor; and a second insulating layer covering the second conductor; wherein the two second core wires are mutually stranded to form a subunit, and wherein one of the two first core wires, another of the two first core wires, and the subunit are mutually stranded and are in contact with each other to form a core member.

Coaxial Cable

United States Patent 11,295,873

Issued April 5, 2022

Inventor: Kyosuke Oishi, Shizuoka, Japan

Assignee: Nissei Electric Co., Ltd., Shizuoka, Japan

A coaxial cable according to the present disclosure is characterized by including a metal layer (5), inside an outer conductor (8), being bonded to the outer conductor (8) by means of an adhesive (6) in such a manner that the metal layer (5) is in contact with a part of the outer conductor (8).

Process and Apparatus for the Manufacturing of a Figure-Of-Eight Cable

United States Patent 11,292,168

Issued April 5, 2022

Inventors: Ian Dewi Lang, Milan, Italy; and Paul John Roberts, Milan, Italy

Assignee: Prysmian S.p.A., Milan, Italy

It is disclosed a process and an apparatus for manufacturing a figure of eight cable. An extrusion head has separate extrusion dies extruding in parallel a first and second outer sheath around a first and second core, respectively, so as to provide two separate cable elements having respective longitudinal axes laying in a first plane. While the outer sheaths are in a softened state, the cable elements are passed in parallel through a twisting die which causes their longitudinal axes to lay in a second plane forming a predetermined twisting angle with respect to the first plane. This twisting causes the outer sheaths to join together, thereby forming a figure of eight cable.

Second Generation Superconducting Filaments and Cable

United States Patent 11,289,640

Issued March 29, 2022

Inventor: Vyacheslav Solovyov, Rocky Point, NY, USA

Assignee: Brookhaven Technology Group, Inc., Stony Brook, NY, USA

A high-temperature superconducting filament and cable, and a method for manufacturing same. The substrate used to grow the superconducting layer is removed, and the exfoliated superconducting layer is coated with a protective layer, and then sliced into narrow strips. The strips are thereafter encapsulated with a conductive metal to provide a high-temperature superconducting filament. The filaments may be bundled together to provide a high-temperature superconducting cable.

Dual Layer Micro Optical Fiber Cable

United States Patent 11,287,598

Issued March 29, 2022

Inventors: Sravan Kumar, Aurangabad, India; Kishore Sahoo, Aurangabad, India; Atul Mishra, Aurangabad, India; and Vikash Shukla, Aurangabad, India

Assignee: Sterlite Technologies Limited, Aurangabad, India

The present disclosure provides an optical fiber cable (100). The optical fiber cable (100) includes a first layer (108) and a second layer (110). The second layer (110) surrounds the first layer (108). The first layer (108) includes a first plurality of buffer tubes (122). The second layer (110) comprises a second plurality of buffer tubes (124). Each buffer tube of the first plurality of buffer tubes (122) and the second plurality of buffer tubes (124) has a thickness of at most 0.15 millimeter. Each buffer tube of the first plurality of buffer tubes (122) and the second plurality of buffer tubes (124) includes a first material layer (126) and a second material layer (128). The second material layer (128) surrounds the first material layer (126). The first material layer (126) is made of polybutylene terephthalate. The second material layer (128) is made of polycarbonate.

Armored Cable and Connection for the Same

United States Patent 11,287,580

Issued March 29, 2022

Inventor: Paul Michael Good, New Holland, PA, USA

Assignee: Berk-Tek LLC, New Holland, PA, USA

An adapter ferrule is provided configured to connect between a connector and an armored cable. The connector has a connection piece, a nut thread, a lock nut, and a ferrule, the ferrule having at least a threaded region of a first thread standard. The armored cable has a second thread standard different from the first thread standard. The adapter ferrule has a small block and a large block. The small block has an internal threading matching the second thread standard of the armor, the outer dimension of which fits within the threaded region of the ferrule. The large block has a recessed thread configured to fit over the outside of the threaded region of the ferrule, the recessed thread having the same thread standard as the threaded region of the ferrule.

Electric Wire, Cable Harness and Flying Object

United States Patent 11,289,239

Issued March 29, 2022

Inventor: Hidenori Furuta, Ibaraki, Japan

Assignee: Junkosha Inc., Ibaraki, Japan

There is provided an electric wire having a conductor total cross-sectional area of 2 mm2 or less and high reliability. The electric wire includes: a twisted wire conductor (2) including a plurality of strand conductors (21 to 27) twisted together with each other and having a total cross-sectional area of the plurality of strand conductors of 2 mm2 or less; and a covering member (3) made from a resin material having a flexural modulus of 0.6 GPa or more and covering the twisted wire conductor so that an inner wall thereof is in contact with an outer peripheral surface of the twisted wire conductor, wherein the twisted wire conductor (2) has, on an outer peripheral surface thereof, recesses having a maximum depth of 5% or less of a maximum diameter of the twisted wire conductor in a cross section perpendicular to a length direction of the twisted wire conductor and containing boundaries of the plurality of strand conductors.

Dual Wire Welding or Additive Manufacturing System

United States Patent 11,285,557

Issued March 29, 2022

Inventors: Alexander C. Mehlman, Strongsville, OH, USA; Todd E. Kooken, Solon, OH, USA; Steven R. Peters, Huntsburg, OH, USA; Matthew A. Weeks, Walloon, Australia; Bruce J. Chantry, Solon, OH, USA; and Bradford W. Petot, South Euclid, OH, USA

Assignee: Lincoln Global, Inc., Santa Fe Springs, CA, USA

A welding or additive manufacturing wire drive system includes a first drive roll and a second drive roll. One or both of the drive rolls has a circumferential groove for simultaneously driving both of a first wire electrode and a second wire electrode located between the drive rolls in the circumferential groove. A sensor device generates a signal or data corresponding to a consumed or remaining amount of one or both of the wire electrodes. The first wire electrode contacts the second wire electrode within the circumferential groove. The first wire electrode further contacts a first sidewall portion of the circumferential groove. The second wire electrode further contacts a second sidewall portion of the circumferential groove. Both of the wire electrodes are off set from a base portion of the circumferential groove, said base portion extending between the first sidewall portion and the second sidewall portion of the circumferential groove.

Electric Wire

United States Patent 11,285,893

Issued March 29, 2022

Inventors: Hiroki Goto, Shizuoka, Japan

Assignee: Yazaki Corporation, Tokyo, Japan

An electric wire includes a core wire made of a conductive metal, and an insulating covering that covers an outer circumference of the core wire. A part of at least one of the core wire and the insulating covering is formed with a flat part flatter than a rest of the at least one of the core wire and the insulating covering.

Low-Profile Cable Armor

United States Patent 11,282,619

Issued March 22, 2022

Inventors: Peter Lafreniere, Mattapoisett, MA, USA; Stephen Lundgren, Marion, MA, USA; Paulo Damoura, Dorchester, MA, USA; Ronald Pegg, New Bedford, MA, USA; Antonio Araujo, New Bedford, MA, USA; and David Campbell, Bristol, RI, USA

Assignee: AFC Cable Systems, Inc., New Bedford, MA, USA

Disclosed is an armored cable assembly may include a plurality of conductors and a metal sheath disposed over the plurality of conductors. The metal sheath may have a plurality of revolutions extending helically along a lengthwise axis, each of the plurality of revolutions including a first section having a curved profile, a second section extending from the first section, the second section having a planar profile, and a third section extending from the second section. The third section may include a free end angled towards an interior cavity of the metal sheath, the free end extending past a plane defined by a bottom most point of the first section of an adjacent revolution, the plane extending perpendicular to the second section.

High-Density Low-Loss Cable and Connector Assembly

United States Patent 11,276,911

Issued March 15, 2022

Inventors: Jingbo Li, Portland, OR, USA; Kai Xiao, Portland, OR, USA; Howard Heck, Tigard, OR, USA; and Kai Wang, Portland, OR, USA

Assignee: Intel Corporation, Santa Clara, CA, USA

In accordance with embodiments disclosed herein, there is provided a high-density low-loss cable and connector assembly. A cable assembly includes a first cable connector, a bulk cable section, and a first cable transition section. The bulk cable section includes a first plurality of conductive wires of a first wire thickness. The first cable transition section includes a second plurality of conductive wires that has a first distal end connected to the bulk cable section and a second distal end connected to the first cable connector. Each of the second plurality of conductive wires transitions from the first wire thickness at the first distal end to a second wire thickness that is less than the first wire thickness at the second distal end. Each of the second plurality of conductive wires in the first distal end is connected to a corresponding conductive wire of the first plurality of conductive wires.

Insulated Wire and Cable Using Halogen-Free Flame-Retardant Resin Composition

United States Patent 11,270,814

Issued March 8, 2022

Inventor: Akira Setogawa, Tokyo, Japan; and Makoto Iwasaki, Tokyo, Japan

Assignee: Hitachi Metals, Ltd., Tokyo, Japan

An insulated wire includes a conductor, and an insulation layer covering an outer periphery of the conductor. The insulation layer includes a halogen-free flame-retardant resin composition including a base polymer, not less than 1 part by mass and not more than 10 parts by mass of an amorphous silica and not less than 10 parts by mass and not more than 150 parts by mass of a halogen-free flame retardant relative to 100 parts by mass of the base polymer. The base polymer includes not less than 50 parts by mass and not more than 90 parts by mass of either an ethylene-vinyl acetate copolymer or an ethylene-butene copolymer and not less than 10 parts by mass and not more than 50 parts by mass of a low-density polyethylene.

Cable Stranding Apparatus Employing a Hollow-Shaft Guide Member Driver

United States Patent 11,268,238

Issued March 8, 2022

Inventors: David Wesley Chiasson, Edmondton, Alberta, Canada; Craig Miller Conrad, Charlotte, NC, USA; Jonathan Edward Moon, Greensboro, NC, USA; Mark Wade Petersen, Pfaff town, NC, USA; and David Henry Smith, Hickory, NC, USA

Assignee: Corning Optical Communications LLC, Charlotte, NC, USA

A cable-stranding apparatus includes a stationary guide, a motor, a driven guide, and a controller electrically coupled to the motor. The stationary guide is configured to guide strand elements in a spaced-apart configuration and to pass a core member. The motor is operatively associated with a guide driver. The driven guide is disposed at least partially within the guide driver so as to rotate therewith. The driven guide is configured to receive the strand elements from the stationary guide, individually guide the strand elements received from the stationary guide, and to further pass the core member. The controller is electrically coupled to the motor and configured to control the rotational speed and direction of the motor.

« Click here to translate »