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公开(公告)号：US20190241812A1
公开(公告)日：2019-08-08
申请号：US16260433
申请日：2019-01-29
Applicant: Hitachi Metals, Ltd.
Inventor： Tsuyoshi MIURA , Tamotsu KIBE , Makoto IWASAKI , Yoshiaki NAKAMURA
CPC classification number: C09K21/14 , B32B1/08 , B32B27/16 , B32B27/18 , B32B27/32 , B32B2264/102 , B32B2264/108 , B32B2307/206 , B32B2307/30 , B32B2307/3065 , B32B2457/04 , C08K2003/2224 , C08L2201/02 , C08L2203/202 , H01B3/30 , H01B3/441 , H01B7/295 , H01B13/141 , C08L23/04
Abstract: In a multi-layer insulated wire including: a conductor; an inner layer formed in periphery of the conductor; and an outer layer formed in periphery of the inner layer, the inner layer is made of a resin composition containing a base polymer containing polyolefin as a main component, and the outer layer is made of a resin composition containing a base polymer containing polyolefin as a main component so as to contain 80 or more and 250 or less parts by mass of metallic hydroxide per 100 parts by mass of the base polymer. The multi-layer insulated wire having an expansion start temperature of the outer layer that is equal to or lower than 344° C. is used.
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公开(公告)号：US20190139677A1
公开(公告)日：2019-05-09
申请号：US16175019
申请日：2018-10-30
Applicant: Hitachi Metals, Ltd.
Inventor： Masafumi KAGA , Tamotsu KIBE
Abstract: An insulated wire having an electrical wire structure capable of reducing a diameter while a direct-current stability property and a flame-retardant property are highly kept is provided. In the insulated wire including: a conductor; a flame-retardant semiconductive layer arranged on an outer periphery of the conductor; an insulating layer arranged on an outer periphery of the flame-retardant semiconductive layer; and a flame-retardant layer arranged on an outer periphery of the insulating layer, an oxygen index of the flame-retardant semiconductive layer defined by JIS K7201-2 is larger than 40, and a volume resistivity of the flame-retardant semiconductive layer defined by JIS C2151 is equal to or smaller than 5.0×1015 (Ωcm).
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公开(公告)号：US20190139674A1
公开(公告)日：2019-05-09
申请号：US16156720
申请日：2018-10-10
Applicant: Hitachi Metals, Ltd.
Inventor： Masafumi KAGA , Tamotsu KIBE
Abstract: An insulated wire having an electrical wire structure capable of reducing an outer diameter while an insulating property and a flame-retardant property are highly kept is provided. In the insulated wire including: a conductor; and a coating layer arranged on an outer periphery of the conductor, the coating layer includes: a plurality of flame-retardant layers each made of a flame-retardant resin composition; and an insulating layer interposed between the plurality of flame-retardant layers, and a ratio of a thickness of the insulating layer to a thickness of the coating layer is equal to or larger than 10% and equal to or smaller than 35%.
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公开(公告)号：US20190139678A1
公开(公告)日：2019-05-09
申请号：US16175127
申请日：2018-10-30
Applicant: Hitachi Metals, Ltd.
Inventor： Masafumi KAGA , Tamotsu KIBE
Abstract: An insulated wire having an electrical wire structure capable of reducing an outer diameter while an insulating property and a flame-retardant property are highly kept is provided. In the insulated wire including: a conductor; and a coating layer arranged on an outer periphery of the conductor, the insulated wire has a flame-retardant property that allows the insulated wire to pass a vertical tray flame test (VTFT) on the basis of EN 50266-2-4, has a direct-current stability that allows the insulated wire to pass a direct-current stability test in conformity to EN 50305.6.7, has a diameter of the conductor that is equal to or smaller than 1.25 mm, and has a thickness of the coating layer that is smaller than 0.6 mm.
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公开(公告)号：US20180322986A1
公开(公告)日：2018-11-08
申请号：US15904938
申请日：2018-02-26
Applicant: Hitachi Metals, Ltd.
Inventor： Tamotsu KIBE , Motoharu KAJIYAMA , Makoto IWASAKI , Mamoru OHASHI
CPC classification number: H01B11/06 , C08J9/06 , C08J2323/06 , C08K2003/2224 , C08L23/0853 , H01B3/44 , H01B3/441 , H01B7/0225 , H01B7/17 , H01B7/18 , H01B7/295 , H01B11/005 , C08L51/06 , C08K3/22 , C08K5/098
Abstract: Provided is a LAN cable that includes a sheath; an electrical wire accommodated in the sheath and including a conductor and an insulating body covering the conductor; and an intermediate layer having a mass reduction rate at 500° C. of less than or equal to 10% by mass and a mass reduction rate at 600° C. of less than or equal to 50% by mass, and located between the sheath and the electrical wire. The insulating body includes polyethylene having a dielectric constant of smaller than or equal to 2.5. The sheath includes a polyolefin-based polymer and a flame retardant, and a content of the flame retardant in the sheath is greater than or equal to 150 parts by mass with respect to 100 parts by mass of the polyolefin-based polymer.
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Patent Agency Ranking
公开(公告)号：US20180075944A1
公开(公告)日：2018-03-15
申请号：US15677759
申请日：2017-08-15
Applicant: Hitachi Metals, Ltd.
Inventor： Makoto IWASAKI , Tamotsu KIBE , Mitsuru HASHIMOTO , Mamoru OHASHI
CPC classification number: H01B7/292 , C08J7/047 , C08J2327/04 , C08J2477/00 , C08K5/0066 , H01B3/423 , H01B3/441 , H01B3/442 , H01B7/17 , H01B7/295 , H01B13/06
Abstract: An insulated wire includes a conductor, and an insulation layer provided around the conductor. The insulation layer includes an inner layer located on a conductor side and an outer layer provided around the inner layer. The inner layer includes a halogen-free resin composition including a base polymer (A). The outer layer includes a cross-linked body obtained by cross-linking a halogen-free flame-retardant resin composition including a base polymer (B) and a halogen-free flame retardant. The base polymer (A) includes a thermoplastic resin (a1) having an aromatic ring in a backbone chain. The base polymer (B) includes a polyolefin component. A thickness of the inner layer is not less than 0.03 mm and not more than 70% of a thickness of the insulation layer.
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公开(公告)号：US20240151860A1
公开(公告)日：2024-05-09
申请号：US18549054
申请日：2022-02-24
Applicant: HITACHI METALS, LTD.
Inventor： Masanobu NAKAHASHI , Naohiro TANIGUCHI , Tamotsu KIBE , Hikaru CHIYO , Ryota OKAMOTO
IPC: G01T1/20
CPC classification number: G01T1/2002 , G01T1/2018
Abstract: Reliability of a scintillator structure is improved. The scintillator structure includes a plurality of cells and a reflective layer covering the plurality of cells. Here, each of the plurality of cells includes a resin and a phosphor, and the resin has a decrease rate of a total light transmittance that is less than 8% with respect to light having a wavelength of 542 nm after X-ray irradiation of a dose of 100 kGy.
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公开(公告)号：US20170032867A1
公开(公告)日：2017-02-02
申请号：US15219089
申请日：2016-07-25
Applicant: Hitachi Metals, Ltd.
Inventor： Makoto IWASAKI , Ryutaro KIKUCHI , Tamotsu KIBE , Mitsuru HASHIMOTO
Abstract: A multilayer insulated wire includes a conductor, an inner insulation layer, and an outer insulation layer. A gel fraction of the inner insulation layer defined below is not less than 80%. A gel fraction of the outer insulation layer defined below is less than the gel fraction of the inner insulation layer and not less than 75%. An insulation covering layer including the inner and outer insulation layers is cross-linked and has a tensile modulus of not less than 500 MPa in a tensile test conducted at a tensile rate of 200 mm/min. Gel fraction (%)=(mass of inner or outer insulation layer after being immersed in xylene at 110° C. for 24 hours, then left at 20° C. and atmospheric pressure for 3 hours and vacuum-dried at 80° C. for 4 hours/mass of inner or outer insulation layer before immersion in xylene)×100
Abstract translation: 多层绝缘线包括导体，内绝缘层和外绝缘层。 下面定义的内绝缘层的凝胶分数不小于80％。 下面定义的外绝缘层的凝胶分数小于内绝缘层的凝胶分数，不小于75％。 在200mm / min的拉伸速度下进行的拉伸试验中，包含内绝缘层和外绝缘层的绝缘覆盖层交联，拉伸弹性模量为500MPa以上。 凝胶分数（％）=（在110℃下二甲苯浸渍24小时后的内外层绝缘层的质量，然后在20℃，大气压下放置3小时，并在80℃真空干燥。 浸入二甲苯中4小时/质量的内层或外层绝缘层）×100
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公开(公告)号：US20140141240A1
公开(公告)日：2014-05-22
申请号：US14084056
申请日：2013-11-19
Applicant: Hitachi Metals, Ltd.
Inventor： Kentaro SEGAWA , Tamotsu KIBE
CPC classification number: H01B3/30 , C08K3/22 , C08K3/36 , C08K2003/2224 , H01B3/441 , H01B7/295 , Y10T428/2933 , C08L23/02
Abstract: A halogen-free resin composition includes 100 to 250 parts by mass of metal hydroxide and 3 to 50 parts by mass of amorphous silica per 100 parts by mass of polyolefin-based resin as a base polymer. The amorphous silica has a specific gravity of 2.1 to 2.3 g/cm3 and a specific surface area of 15 to 50 m2/g. An electric wire includes a covering including the halogen-free resin composition. A cable includes the electric wire or a covering including the halogen-free resin composition.
Abstract translation: 无卤素树脂组合物包含100〜250质量份金属氢氧化物和3〜50质量份无定形二氧化硅/ 100质量份作为基础聚合物的聚烯烃类树脂。 无定形二氧化硅的比重为2.1〜2.3g / cm 3，比表面积为15〜50m2 / g。 电线包括包含无卤树脂组合物的覆盖物。 电缆包括电线或包含无卤树脂组合物的覆盖物。
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公开(公告)号：US20190139671A1
公开(公告)日：2019-05-09
申请号：US16174996
申请日：2018-10-30
Applicant: Hitachi Metals, Ltd.
Inventor： Masafumi KAGA , Tamotsu KIBE
Abstract: An insulated wire having an electrical wire structure capable of reducing an outer diameter while an insulation property and a flame-retardant property are highly kept is provided. In the insulated wire including: a conductor; and a coating layer arranged on an outer periphery of the conductor, the coating layer includes: a semiconductive layer having a volume resistivity defined by JIS C2151 that is equal to or smaller than 1.0×1015 (Ωcm); an insulating layer arranged on an outer periphery of the semiconductive layer, the insulating layer having a volume resistivity defined by JIS C2151 that is larger than 5.0×1015 (Ωcm); and a flame-retardant semiconductive layer arranged on an outer periphery of the insulating layer, the flame-retardant semiconductive layer having a volume resistivity defined by JIS C2151 that is equal to or smaller than 1.5×1015 (Ωcm) and having an oxygen index defined by JIS K7201-2 that is larger than 40.
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