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    LOOSE TUBE-TYPE OPTICAL CABLE PRODUCTION DEVICE AND PRODUCTION METHOD
    1.
    发明申请
    LOOSE TUBE-TYPE OPTICAL CABLE PRODUCTION DEVICE AND PRODUCTION METHOD 有权

    公开(公告)号：US20220324151A1

    公开(公告)日：2022-10-13

    申请号：US17849535

    申请日：2022-06-24

    Applicant: SWCC SHOWA CABLE SYSTEMS CO., LTD.

    Inventor： Kengo TANABE ,  Junya HASUNUMA ,  Yuki OTA ,  Hitoshi SAITO

    IPC: B29C48/151 ,  G02B6/44 ,  B29C48/09 ,  B29C48/88

    Abstract: There is disclosed a production device for a loose tube-type optical cable in which an optical fiber bundle is housed in a tube. The production device includes: a resin extruder configured to extrude and coat a resin onto the optical fiber bundle; and a water tank configured to store cooling water for cooling the resin to form the tube, wherein: the resin extruder includes: an extruder die having an extrusion port for the resin; a pipe penetrating the extruder die; and an air pump mechanism configured to pump air to the pipe; and the water tank includes: a sizing die having an inlet, a passage port, and a suction port for the cooling water; and a cooling water suction mechanism configured to suck the cooling water from the sizing die.

    POLYMER BUSHING
    4.
    发明申请
    POLYMER BUSHING 审中-公开

    公开(公告)号：US20180286540A1

    公开(公告)日：2018-10-04

    申请号：US15546060

    申请日：2016-01-25

    Applicant: SWCC SHOWA CABLE SYSTEMS CO., LTD.

    Inventor： Tsutomu SUMIMOTO ,  Akihisa KUWAKI ,  Kazuhisa ADACHI

    IPC: H01B17/30 ,  H01B17/42

    CPC classification number: H01B17/303 ,  H01B17/26 ,  H01B17/42 ,  H01B17/525 ,  H02G3/22 ,  H02G15/064

    Abstract: A polymer bushing includes: an inner conductor; a hard insulating tube; a shielding metal fitting; a polymer covering that includes a body part that covers an outer periphery of the insulating tube, and a plurality of umbrella-shaped sheds that are formed at an outer periphery of the body part; and an electric-field stress-control layer that is composed of a zinc oxide layer or a high-permittivity layer, and is disposed along an interface between the insulating tube and the polymer covering. A rear end part of the electric-field stress-control layer is connected to the shielding metal fitting. The body part includes a first body part that has a uniform thickness, and a second body part that is located in a region around a front end part of the electric-field stress-control layer and has a thickness greater than the thickness of the first body part.

    OXIDE SUPERCONDUCTOR AND METHOD FOR MANUFACTURING SAME
    6.
    发明申请
    OXIDE SUPERCONDUCTOR AND METHOD FOR MANUFACTURING SAME 有权
    氧化物超导体及其制造方法

    公开(公告)号：US20160125977A1

    公开(公告)日：2016-05-05

    申请号：US14894404

    申请日：2014-05-28

    Applicant: INTERNATIONAL SUPERCONDUCTIVITY TECHNOLOGY CENTER ,  FURUKAWA ELECTRIC CO., LTD. ,  SWCC SHOWA CABLE SYSTEMS CO., LTD. ,  FUJIKURA LTD.

    Inventor： Takato MACHI ,  Tomo YOSHIDA ,  Tatsunori NAKAMURA ,  Kota KATAYAMA ,  Koichi NAKAO ,  Keiichi TANABE

    IPC: H01B12/04 ,  H01B13/00

    CPC classification number: H01B12/04 ,  H01B13/0009 ,  H01L39/143 ,  H01L39/2467 ,  H01L39/248

    Abstract: An oxide superconductor includes: a substrate made of a metal; an insulating intermediate layer provided on the substrate; an oxide superconducting layer provided on the intermediate layer; a metal stabilizing layer provided on the oxide superconducting layer; and a plurality of dividing grooves which divide the metal stabilizing layer and the oxide superconducting layer along a longitudinal direction of the substrate, reach the inside of the intermediate layer through the oxide superconducting layer from the metal stabilizing layer, and do not reach the substrate. The metal stabilizing layer and the oxide superconducting layer are divided to form a plurality of filament conductors by the plurality of dividing grooves, and in each dividing groove of the plurality of dividing grooves, a width of a groove opening portion of the dividing groove is equal to or greater than a width of a groove bottom portion of the dividing groove.

    Abstract translation: 氧化物超导体包括：由金属制成的衬底; 设置在所述基板上的绝缘中间层; 设置在中间层上的氧化物超导层; 设置在所述氧化物超导层上的金属稳定层; 并且沿着基板的长度方向分割金属稳定层和氧化物超导层的多个分割槽，通过氧化物超导层从金属稳定层到达中间层的内部，并且不到达基板。 金属稳定层和氧化物超导层被分割成多个分割槽形成多个细丝导体，在多个分隔槽的分隔槽中，分隔槽的槽开口部的宽度相等 达到或大于分隔槽的槽底部的宽度。

    OXIDE SUPERCONDUCTOR COMPOSITION, OXIDE SUPERCONDUCTOR WIRE, AND PRODUCTION METHOD FOR OXIDE SUPERCONDUCTOR WIRE
    10.
    发明申请
    OXIDE SUPERCONDUCTOR COMPOSITION, OXIDE SUPERCONDUCTOR WIRE, AND PRODUCTION METHOD FOR OXIDE SUPERCONDUCTOR WIRE 审中-公开
    氧化物超导体组合物，氧化物超导体线以及氧化物超导体线的生产方法

    公开(公告)号：US20160020003A1

    公开(公告)日：2016-01-21

    申请号：US14771230

    申请日：2014-02-27

    Applicant: INTERNATIONAL SUPERCONDUCTIVITY TECHNOLOGY CENTER ,  SWCC SHOWA CABLE SYSTEMS CO., LTD.

    Inventor： Koichi NAKAOKA ,  Masateru YOSHIZUMI ,  Teruo IZUMI ,  Yuh SHIOHARA ,  Tatsunori NAKAMURA

    IPC: H01B12/00 ,  H01B13/00 ,  H01B12/06

    CPC classification number: H01B12/00 ,  C01G3/006 ,  C01P2006/40 ,  H01B12/06 ,  H01B13/00 ,  H01L39/126 ,  H01L39/2451

    Abstract: Provided is an oxide superconductor composition that makes it possible to increase film thickness, increase production speed, and decrease costs when producing a REBaCuO-type oxide superconductor wire (wherein RE is at least one element selected from the group consisting of Y, Nd, Sm, Gd, Dy, Eu, Er, Yb, Pr, and Ho). The oxide superconductor comprises, as essential components thereof, an RE salt of a carboxylic acid that serves as an RE component, that does not contain a ketone group, and that has 3-8 carbon atoms, barium trifluoroacetate that serves as a Ba component, one or more copper salts that serve as a Cu component and that are selected from the group consisting of copper salts of branched saturated aliphatic carboxylic acids having 6-16 carbon atoms and copper salts of alicyclic carboxylic acids having 6-16 carbon atoms, and an organic solvent that dissolves the aforementioned metal salt components.

    Abstract translation: 提供一种氧化物超导体组合物，其可以在制备REBaCuO型氧化物超导体线时（其中RE为选自Y，Nd，Sm中的至少一种元素），可以增加膜厚度，提高生产速度和降低成本 ，Gd，Dy，Eu，Er，Yb，Pr和Ho）。 作为氧化物超导体的氧化物超导体，含有作为不含有酮基且具有3-8个碳原子的RE成分的羧酸的RE盐，作为Ba成分的三氟乙酸钡， 一种或多种铜盐，其用作Cu组分，并且选自具有6-16个碳原子的支化饱和脂族羧酸的铜盐和具有6-16个碳原子的脂环族羧酸的铜盐，以及 溶解上述金属盐成分的有机溶剂。

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