Patents Examined by Chau N. Nguyen
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Patent number: 10916359Abstract: An electric wire conductor having both flexibility and a space-saving property, a covered electric wire, and a wiring harness containing such an electric wire conductor. The electric wire conductor contains a plurality of elemental wires twisted together, and has a non-circular portion in which a cross section intersecting an axial direction of the wire strand has a non-circular shape. The cross section of the non-circular portion has a continuous vacancy capable of accommodating two or more of the elemental wires. Further, a covered electric wire contains the electric wire conductor and an insulator covering the electric wire conductor. Furthermore, a wiring harness contains the covered electric wire.Type: GrantFiled: November 6, 2018Date of Patent: February 9, 2021Assignees: AUTONETWORKS TECHNOLOGIES, LTD., SUMITOMO WIRING SYSTEMS, LTD., SUMITOMO ELECTRIC INDUSTRIES, LTD.Inventors: Hayato Ooi, Toyoki Furukawa, Yasuyuki Otsuka, Kinji Taguchi, Kei Sakamoto, Tetsuya Kuwabara, Tooru Tanji
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Patent number: 10910125Abstract: 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 ?m long and a long side of 50 ?m long is taken from a surface-layer region extending by up to 30 ?m 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 ?m2.Type: GrantFiled: April 4, 2017Date of Patent: February 2, 2021Assignees: Sumitomo Electric Industries, Ltd., AutoNetworks Technologies, Ltd., Sumitomo Wiring Systems, Ltd.Inventors: Misato Kusakari, Tetsuya Kuwabara, Yoshihiro Nakai, Taichiro Nishikawa, Yasuyuki Otsuka, Hayato Ooi
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Patent number: 10910734Abstract: A shielded cable/terminal assembly includes a shielded cable (10) with a braided wire (14) between wires (13) and an outer sheath (15). The braided wire (14) has a folded portion (18) formed by folding the braided wire (14) exposed from an end of the outer sheath (15) toward the outer sheath (15). A metal sleeve (19) is crimped to an outer surface of the outer sheath (15) inside the folded portion (18) in a radial direction of the shielded cable (10). A terminal (11) has a barrel (30) configured to sandwich the folded portion (18) between the sleeve (19) and the barrel (30), with the barrel (30) crimped to an outer surface of the folded portion (18). The barrel (30) has protrusions (32) projecting radially inward of the shielded cable (10) at positions behind a rear part of the sleeve (19) in an axial direction.Type: GrantFiled: February 19, 2018Date of Patent: February 2, 2021Inventors: Kazuaki Hamada, Atsushi Murata
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Patent number: 10896770Abstract: An insulated electric wire is composed of a conductor, and an insulating layer disposed around an outer circumference of the conductor. The insulating layer is formed from a fluorine-containing elastomer composition, and the fluorine-containing elastomer composition includes a base polymer (A) including 70% by mass or more and 98% by mass or less of a copolymer (a1) of tetrafluoroethylene and an ?-olefin having 2 to 4 carbon atoms, and 2% by mass or more and 30% by mass or less of an ethylene-ethyl acrylate copolymer (a2) (excluding an ethylene-ethyl acrylate-maleic anhydride ternary copolymer), and a flame retardant (B) including an antimony compound (b1) and a bromine-based flame retardant (b2), and including 1 part by mass or more and 9 parts by mass or less of the antimony compound (b1), and 0.3 parts by mass or more and 15 parts by mass or less of the bromine-based flame retardant (b2) per 100 parts by mass of the base polymer (A).Type: GrantFiled: September 28, 2018Date of Patent: January 19, 2021Assignee: HITACHI METALS, LTD.Inventor: Masanobu Nakahashi
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Patent number: 10897096Abstract: A wire harness that includes a connector in which a connection end of a single-core wire electrical cable and a connection end of a twisted wire electrical cable are welded to each other and are covered by a heat shrinkable tube, wherein the connector includes a separator between the connection end of the twisted wire electrical cable and the heat shrinkable tube, the separator being made of metal and being configured to separate the connection end of the twisted wire electrical cable from the heat shrinkable tube.Type: GrantFiled: December 4, 2017Date of Patent: January 19, 2021Assignee: SUMITOMO WIRING SYSTEMS, LTD.Inventors: Katsutoshi Izawa, Naoto Tsukimori
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Patent number: 10897092Abstract: A splice cap is configured to house a splice having a step. An electric wire draw-out port from which electric wires can be drawn-out is provided at one end of the splice cap. A splice insertion port provided on a lateral side of the splice cap continues from the electric wire draw out port such that the splice can be inserted therein from a direction orthogonal to the axial direction. A step engagement portion that continues from the splice insertion port is formed to face the step of the splice so as to be able to abut the step when the electric wires are pulled in the axial direction.Type: GrantFiled: September 24, 2019Date of Patent: January 19, 2021Assignee: YAZAKI CORPORATIONInventor: Shigeo Funakoshi
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Patent number: 10892068Abstract: The present disclosure relates to a hybrid cable having a jacket with a central portion positioned between left and right portions. The central portion contains at least one optical fiber and the left and right portions contain electrical conductors. The left and right portions can be manually torn from the central portion.Type: GrantFiled: November 7, 2018Date of Patent: January 12, 2021Assignee: CommScope Technologies LLCInventors: Wayne M. Kachmar, Aly Fahd, Kenneth Christopher Nardone, Wagner da Silva Aguiar, William J. Jacobsen
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Patent number: 10886684Abstract: A bonding method for a conductor of an electric wire including a conductor formed of a plurality of strands and a sheath covering the conductor such that the conductor is exposed to a predetermined length. The bonding method includes bonding the strands to each other, the strands being spaced apart from the sheath by a predetermined length. An outer diameter of a middle portion of the conductor between a bonded portion and a portion covered with the sheath gradually decreases toward the bonded portion. A maximum value of an intersection angle between an upper surface of the bonded portion or a longitudinal direction of the electric wire and the strands of the middle portion is smaller than a predetermined angle. The predetermined angle is an angle at which breakage of the strands is prevented when the bonding is performed.Type: GrantFiled: February 28, 2019Date of Patent: January 5, 2021Assignee: YAZAKI CORPORATIONInventors: Tomoya Sato, Kazuhide Takahashi, Naoki Ito, Yasunori Nabeta
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Patent number: 10886035Abstract: The present invention relates to an energy cable comprising a cable core comprising an electric conductor and a crosslinked electrically insulating layer, wherein the cable core further comprises a microporous material having a bimodal pore volume distribution with a first peak of the distribution having a maximum at a pore diameter value within the range 5.5-6.5 ? and a second peak of the distribution having a maximum at a pore diameter value within the range 7.5-8.5 ?, the maximum values of the first and the second peak corresponding to an incremental pore volume of at least 4×10?3 cm3/g. The present invention also relates to a method for extracting methane crosslinking by-products from a crosslinked electrically insulating layer of an energy cable.Type: GrantFiled: September 4, 2017Date of Patent: January 5, 2021Assignees: Prysmian S.p.A., Politecnico Di MilanoInventors: Rodolfo Sica, Dario Bartolini, Attilio Citterio
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Patent number: 10867725Abstract: A high frequency signal transmission cable includes a conductor, an insulator provided over a periphery of the conductor, a plating layer provided over a periphery of the insulator, and a sheath provided over a periphery of the plating layer. A crack suppressing layer is provided between the insulator and the plating layer, in such a manner as to remain in contact with the insulator while being provided with the plating layer over an outer surface of the crack suppressing layer. The crack suppressing layer suppresses the occurrence of a cracking in the plating layer by bending while moving in a longitudinal direction of the cable relative to a bending of the insulator.Type: GrantFiled: October 8, 2019Date of Patent: December 15, 2020Assignee: HITACHI METALS, LTD.Inventors: Detian Huang, Yoshinori Tsukamoto, Masashi Moriyama, Hideyuki Sagawa, Takahiro Sugiyama
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Patent number: 10868412Abstract: A cord grip has a conduit hub configured to be connected to an electronics housing. A bore is formed in the conduit hub and has a first end communicating with the electronics housing and a second end configured to be connected to a conduit. A wire seal retains electrical wiring and is located in the hub forming a liquid-tight seal between the first end and the second end. A channel for transporting liquid from the conduit has an inlet communicating with the conduit and an outlet communicating with the exterior of the electronics housing. An overmolded bond may be formed between the wire seal and the electrical wiring.Type: GrantFiled: April 26, 2019Date of Patent: December 15, 2020Assignee: Ideal Industries Lighting LLCInventors: Ashok K. Rana, Gerry Thornton, Bradley Thomas, William Couch, Benjamin Beck, Scott Fisher
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Patent number: 10839986Abstract: An electrical conductor comprises three or more solid segments of identical shape. In cross-section, each segment comprises two sides, which are configured for flush bearing against correspondingly opposing lateral surfaces on another segment. The cross-sectional surface through all the constituent segments of the electrical conductor is describable by a closed curve having a stepless characteristic. All the constituent segments of the electrical conductor are stranded in combination.Type: GrantFiled: December 7, 2018Date of Patent: November 17, 2020Assignee: NEXANSInventors: Michael Menger, Torsten Voigt, Volker Gauler
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Patent number: 10833488Abstract: The present invention relates to an apparatus and method for securing a box cover to a watthour meter socket box. In certain embodiments, the apparatus has a clamping member that fits over a wall of a meter box and a lock housing that locks to the clamping member after a box cover has been installed thereby securing the cover to the box. Further embodiments relate to a clamp member and a lock housing wherein the clamping member generally comprises a clamp, clamp actuating member, and fastening shelf, and wherein the clamp actuating member may comprise a lever or threaded member to attach the clamping member to a wall of a meter box base. The box cover is secured to the meter box base when the clamping member is secured to the wall and used in combination with the lock housing and a locking shaft.Type: GrantFiled: March 15, 2013Date of Patent: November 10, 2020Assignee: DeWalch Technologies, Inc.Inventors: Tyler Dean Todd, II, Aditya Kumar Palthi
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Patent number: 10825582Abstract: A cable connecting structure includes three three-phase power cable pairs respectively including a pair of power cables that are mutually connected, three insulating rubber connecting tubes covering connecting sections of the three three-phase power cable pairs, respectively, a steel pipe accommodating portions of each of the three three-phase power cable pairs, and the three rubber connecting tubes, and a heat dissipation material. The heat dissipation material is provided between the steel pipe and each of the three rubber connecting tubes, and makes contact with the steel pipe and each of the three rubber connecting tubes. The heat dissipation material includes a heat dissipating metal that has a melting point lower than a melting point of the steel pipe.Type: GrantFiled: March 23, 2020Date of Patent: November 3, 2020Assignee: SUMITOMO ELECTRIC INDUSTRIES, LTD.Inventors: Shoji Mashio, Taiki Kaneda
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Patent number: 10818411Abstract: A wire conductor has a plurality of elemental wires made of aluminum or an aluminum alloy, which are stranded with each other and arranged, in cross-section intersecting an axial direction of the wire conductor, in which one or a plurality of virtual elemental wires are removed from an outer peripheral portion of a virtual cross-section represented by a maximum number of virtual elemental wires accommodated in a circumscribing figure approximated by a regular hexagon, the virtual elemental wires having a same diameter as the elemental wires. The wire conductor includes a plurality of slave strands, each being a strand of the plurality of elemental wires, a maximum diameter cross-sectional area ratio is 0.63 or higher that is calculated by dividing a cross-sectional area of the wire conductor by an area of a circle having a diameter equal to a maximum value of an outer diameter of the wire conductor.Type: GrantFiled: September 1, 2017Date of Patent: October 27, 2020Assignee: SUMITOMO WIRING SYSTEMS, LIMITEDInventors: Takanori Wakamatsu, Jun Yoshimoto
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Patent number: 10818414Abstract: A movable part composite cable includes a plurality of power supply wires being designed for electric power supply, which respectively include a plurality of insulated electric wires being laid together and being covered by each covering member, the plurality of power supply wires being arranged in contact with each other on surfaces of their respective covering members, one or more signal wires being designed for signal transmission, each signal wire having an outer diameter smaller than an outer diameter of each power supply wire, and a jacket, which is being provided over an outer periphery of an aggregate including the plurality of power supply wires and the one or more signal wires that are laid together. The power supply wires and the signal wires are not in direct contact with each other, or the power supply wires and the signal wires are in direct contact with each other with a contact area therebetween being smaller than a contact area between the power supply wires.Type: GrantFiled: September 30, 2019Date of Patent: October 27, 2020Assignee: HITACHI METALS, LTD.Inventors: Detian Huang, Yoshinori Tsukamoto, Isao Matsuoka, Masanori Kobayashi, Masashi Moriyama
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Patent number: 10818412Abstract: A communication cable that has a reduced diameter while ensuring a required magnitude of characteristic impedance. The communication cable contains a twisted pair that contains a pair of insulated wires twisted with each other and a sheath covering the twisted pair. Each of the insulated wires contains a conductor that has a tensile strength of 400 MPa or higher and an insulation coating that covers the conductor. A gap G is formed between the sheath and the insulated wires constituting the twisted pair. The communication cable has a characteristic impedance of 100±10 ?.Type: GrantFiled: December 2, 2016Date of Patent: October 27, 2020Assignees: AUTONETWORKS TECHNOLOGIES, LTD., SUMITOMO WIRING SYSTEMS, LTD., SUMITOMO ELECTRIC INDUSTRIES, LTD.Inventors: Ryoma Uegaki, Kinji Taguchi
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Patent number: 10811165Abstract: [Problem] To provide an insulation material that has an excellent volume resistivity while retaining the balance among various capabilities including the mechanical strength, the heat resistance, the oil resistance, the bleed-out resistance, the plasticizer migration resistance, and the like, equivalent to a resin composition containing an ordinary phthalate ester. [Solution] An insulation material containing a resin composition containing: an ester (i) having one or more constitutional unit represented by the following formula (A) (wherein R1 and R2 each independently represent an alkyl group having from 1 to 4 carbon atoms); and a resin (ii).Type: GrantFiled: December 3, 2015Date of Patent: October 20, 2020Assignee: KURARAY CO., LTD.Inventors: Yuusuke Saitou, Takahiro Suzuki, Junichi Fuji
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Patent number: 10811167Abstract: A high-voltage cable for electrostatically charging a coating agent in an electrostatic coating plant is provided. The cable includes a centrally arranged cable core and an electrically insulating jacket which sheaths the cable core. The cable core has a moderate electrical resistance according to the principles of the present disclosure. The cable core includes fibers that form a non-woven fabric, and at least one strip of the non-woven fabric of the cable core is twisted.Type: GrantFiled: January 9, 2015Date of Patent: October 20, 2020Assignee: DÜRR SYSTEMS AGInventors: Siegfried Poppe, Heiko Kamp
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Patent number: 10811346Abstract: A lead frame includes a lead frame substrate made of a copper-based material, plating layers composed of nickel, palladium and gold layers laminated in this order on top faces and bottom faces of the lead frame substrate, and a roughened silver plating layer having acicular projections, provided as an outermost plating layer and covering faces of the lead frame substrate that form concavities or a through hole between the top faces and the bottom faces of the lead frame substrate. The roughened silver plating layer has a crystal structure in which the crystal direction <101> occupies a largest proportion among the crystal directions <001>, <111> and <101>. The lead frame can be manufactured with improved productivity owing to reduction in cost and operation time, and achieves remarkably high adhesion to sealing resin while keeping the total thickness of plating layers including the silver plating layer to be thin.Type: GrantFiled: March 20, 2020Date of Patent: October 20, 2020Assignee: OHKUCHI MATERIALS CO., LTD.Inventors: Kaoru Hishiki, Keiichi Otaki, Hidehiko Sasaki, Kotaro Tomeoka