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公开(公告)号：US20240212878A1
公开(公告)日：2024-06-27
申请号：US18558047
申请日：2022-03-08
CPC分类号： H01B7/0225 , H01B7/0009 , H01B13/0221 , H01B13/141
摘要： A multicore cable according to an aspect of the present disclosure includes: a core wire made by stranding a pair of first core electric wires and a wire; and a sheath layer disposed around the core wire. The first core electric wires each include a conductor and an insulating layer covering an outer surface of the conductor. The ratio d2/d1 of an average outer diameter d2 of the wire to an average outer diameter d1 of each first core electric wire is more than 0.5 and less than 2.0.
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公开(公告)号：US20220115164A1
公开(公告)日：2022-04-14
申请号：US17268728
申请日：2020-05-22
发明人： Takumi OOSHIMA , Masayuki ISHIKAWA , Jo YAGISAWA
摘要： A multicore cable includes: a plurality of coated electric wires; and an outer coating that covers an outer periphery of the plurality of coated electric wires, wherein the coated electric wires each includes a conductor and an insulating layer that covers the conductor, and wherein, in a range of 0.1 mm from an outer surface of the outer coating, a storage modules of the outer coating at −30° C. is greater than or equal to 300 MPa and less than or equal to 500 MPa.
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公开(公告)号：US20220415539A1
公开(公告)日：2022-12-29
申请号：US17756435
申请日：2019-12-06
发明人： Takumi OOSHIMA , Masayuki ISHIKAWA , Jo YAGISAWA
摘要： A multicore cable includes a plurality of power lines, and an outer jacket covering the plurality of power lines, the power lines include one first conductor disposed at a center, and a plurality of second conductors disposed on an outer periphery of the first conductor, that are twisted together, the first conductor includes 10 or more and 100 or less twisted first element wires, the second conductor includes 10 or more and 100 or less twisted second element wires, a direction of lay of the first element wires of the first conductor, a direction of lay of the second element wires of the second conductor, and a direction of lay of the first conductor and the second conductors of the power line are the same, and a length of lay of the first element wires and a length of lay of the second element wires are greater than or equal to 8 mm and less than or equal to 22 mm.
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公开(公告)号：US20180371221A1
公开(公告)日：2018-12-27
申请号：US16062682
申请日：2017-10-04
发明人： Nayu YANAGAWA , Shigeyuki TANAKA , Taro FUJITA , Shinya NISHIKAWA , Takumi OOSHIMA , Hiroyuki OKAWA
摘要： An insulated electric wire includes a conductor and an insulating layer covering an outer periphery of the conductor.The insulating layer is formed of a crosslinked polymer of an insulating resin composition that contains a resin component containing a first copolymer which is a copolymer of ethylene and an unsaturated hydrocarbon having 4 or more carbon atoms and which has a density of less than 0.88 g/cm3, a second copolymer which is a copolymer of ethylene and an unsaturated hydrocarbon having 4 or more carbon atoms and which has a density of 0.88 g/cm3 or more and less than 0.91 g/cm3, and a third copolymer which is a copolymer of ethylene and an acrylic acid ester or a copolymer of ethylene and a methacrylic acid ester, or containing the second copolymer and the third copolymer, in which a content of the second copolymer is 40% by mass or more of a total content of the first copolymer and the second copolymer and 60% by mass or less of a total content of the first copolymer, the second copolymer, and the third copolymer, and a ratio represented by the total content of the first copolymer and the second copolymer: a content of the third copolymer (mass ratio) is 80:20 to 40:60, and 30 to 100 parts by mass of a flame retardant and 1 to 5 parts by mass of a crosslinking assistant relative to 100 parts by mass of the resin component.
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公开(公告)号：US20240145128A1
公开(公告)日：2024-05-02
申请号：US18549436
申请日：2021-03-19
发明人： Takumi OOSHIMA , Jo YAGISAWA
CPC分类号： H01B9/003 , H01B3/307 , H01B3/446 , H01B7/0225 , H01B7/0275 , H01B7/04 , H01B7/1875 , H01B7/295
摘要： A multi-core cable includes two power wires, and a twisted pair signal wire having two twisted signal wires. The power wires and the twisted pair signal wire are twisted together to form a core, and the power wires include a first conductor, and a first insulating layer covering the first conductor. The signal wires include a second conductor, and a second insulating layer covering the second conductor, and a Young's modulus of the second insulating layer is greater than or equal to 700 MPa and less than or equal to 1600 M Pa.
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公开(公告)号：US20240062929A1
公开(公告)日：2024-02-22
申请号：US18363108
申请日：2023-08-01
发明人： Kenji HORI , Takumi OOSHIMA , Hirotaka KATO , Shunya TASHIRO , Wei FU
CPC分类号： H01B3/002 , H01B7/0216 , H01B3/30
摘要： A cable includes a core including a plurality of electrical wires and a first resin layer configured to cover the core. The plurality of electrical wires is twisted together. The first resin layer includes a resin material and a filler. The content of the filler in the first resin layer is 10% by mass or more and 40% by mass or less. The filler is a chemical substance produced from a biological material.
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公开(公告)号：US20230034227A1
公开(公告)日：2023-02-02
申请号：US17765186
申请日：2019-10-30
发明人： Shigeyuki TANAKA , Yutaka MATSUMURA , Taro FUJITA , Takumi OOSHIMA , Jo YAGISAWA
摘要： An electrically insulated cable including: a core electric wire; and a covering layer covering the core electric wire; wherein: the core electric wire includes a plurality of insulated wires; the insulated wires each include a conductor and an insulating layer covering the conductor; and the covering layer contains a crosslinked polyethylene-based resin and a flame retardant in the front surface side thereof.
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公开(公告)号：US20240282480A1
公开(公告)日：2024-08-22
申请号：US17773140
申请日：2020-08-03
发明人： Yutaka MATSUMURA , Shigeyuki TANAKA , Taro FUJITA , Takumi OOSHIMA , Jo YAGISAWA
CPC分类号： H01B7/1875 , B60T13/74 , H01B7/292 , H01B7/38 , B60T2270/10
摘要： An electrically insulated cable comprising: a core electric wire; a tape member covering the core electric wire; and a covering layer covering the tape member, wherein: the core electric wire includes a plurality of insulated electric wires; the insulated electric wires each include a conductor and an insulating layer covering the conductor; the tape member is a film; and the tape member has a breaking elongation of 50% or less.
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公开(公告)号：US20230245799A1
公开(公告)日：2023-08-03
申请号：US18152386
申请日：2023-01-10
发明人： Hirotaka KATO , Jo YAGISAWA , Takumi OOSHIMA , Takaya KOHORI
CPC分类号： H01B7/18 , H01B7/0009 , H01B7/0876 , H01B9/006 , H01B11/002
摘要： A multicore cable includes a plurality of covered wires having a lubricant powder provided on surfaces thereof, and an outer sheath layer covering outer surfaces of the plurality of covered wires. The outer surfaces of the plurality of covered wires, and the outer sheath layer, make contact with one another via the lubricant powder. A coverage of the outer surfaces of the plurality of covered wires by the lubricant powder is greater than or equal to 15%.
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公开(公告)号：US20220406487A1
公开(公告)日：2022-12-22
申请号：US17773237
申请日：2020-08-03
发明人： Shigeyuki TANAKA , Yutaka MATSUMURA , Taro FUJITA , Takumi OOSHIMA , Jo YAGISAWA
摘要： An electrically insulated cable comprising: a core electric wire; a tape member covering the core electric wire; and a covering layer covering the tape member; wherein: the core electric wire includes a plurality of insulated electric wires; the insulated electric wires each include a conductor and an insulating layer covering the conductor; and the tape member has a minimum value of transmittance of 70% or more with respect to light having a wavelength of no less than 400 nm and no more than 800 nm.
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