JP5605424B2 - 絶縁被覆電線の製造方法 - Google Patents
絶縁被覆電線の製造方法 Download PDFInfo
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- H01B3/00—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties
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- H01B3/30—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances plastics; resins; waxes
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- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/15—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor incorporating preformed parts or layers, e.g. extrusion moulding around inserts
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- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C49/00—Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
- B29C49/20—Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor of articles having inserts or reinforcements ; Handling of inserts or reinforcements
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B29C51/00—Shaping by thermoforming, i.e. shaping sheets or sheet like preforms after heating, e.g. shaping sheets in matched moulds or by deep-drawing; Apparatus therefor
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
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- B29C51/00—Shaping by thermoforming, i.e. shaping sheets or sheet like preforms after heating, e.g. shaping sheets in matched moulds or by deep-drawing; Apparatus therefor
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- B29D23/00—Producing tubular articles
- B29D23/001—Pipes; Pipe joints
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- B29D23/005—Pipe joints, e.g. straight joints provided with electrical wiring
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- H01B3/18—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B29C49/00—Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
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- B29C2049/2021—Inserts characterised by the material or type
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2705/00—Use of metals, their alloys or their compounds, for preformed parts, e.g. for inserts
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2715/00—Condition, form or state of preformed parts, e.g. inserts
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2995/00—Properties of moulding materials, reinforcements, fillers, preformed parts or moulds
- B29K2995/0003—Properties of moulding materials, reinforcements, fillers, preformed parts or moulds having particular electrical or magnetic properties, e.g. piezoelectric
- B29K2995/0007—Insulating
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2009/00—Layered products
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B13/00—Apparatus or processes specially adapted for manufacturing conductors or cables
- H01B13/0009—Apparatus or processes specially adapted for manufacturing conductors or cables for forming corrugations on conductors or cables
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
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- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
- H01B7/18—Protection against damage caused by wear, mechanical force or pressure; Sheaths; Armouring
- H01B7/24—Devices affording localised protection against mechanical force or pressure
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- Engineering & Computer Science (AREA)
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- Manufacturing & Machinery (AREA)
- Insulated Conductors (AREA)
- Processes Specially Adapted For Manufacturing Cables (AREA)
Description
この工程では、前記の中心導体10と絶縁被覆20とを有する通常の(すなわち絶縁被覆20の肉厚及び径が均一の)絶縁被覆電線素材が準備される。この絶縁被覆電線素材は、通常の被覆電線と同様、例えば押出し成形によって生産されることが可能である。前記絶縁被覆20の材質としては、後の加熱状態での成形のために、絶縁性に加えて熱可塑性を有する樹脂が用いられる。具体的には、架橋ポリエチレン、エチレン−エチルアクリルレート共重合樹脂、サーモプラスチックポリウレタン共重合樹脂、塩化ビニルが好適である。
これらの工程では、前記絶縁被覆電線素材の軸方向の少なくとも一部の箇所の周囲に、前記曲げ補助部24を形成するための金型が配置され、その状態で曲げ補助部24の形成が行われる。換言すれば、当該金型の内部に前記絶縁被覆電線素材の軸方向の少なくとも一部が配置され、当該金型の内部で前記曲げ補助部24の形成が行われる。この曲げ補助部24の形成は、当該曲げ補助部24の形成箇所における絶縁被覆20の内側の圧力と外側の圧力(すなわち金型内の圧力)との間に前者の圧力の方が低いような圧力差を与えることにより、行われる。このような圧力差を利用した曲げ補助部24の形成は、例えば、次の真空成形またはブロー成形にて行われることが可能である。
この真空成形は、絶縁被覆20の外側空間を減圧することにより前記圧力差を形成するものであり、例えば図3及び図4に示すような上金型30A及び下金型30B(図4は下金型30Bのみ図示)の使用により、実現される。
このブロー成形は、前記絶縁被覆20の内側に圧力ガス(例えばエア)を押し込んで当該内側を昇圧することにより、前記圧力差を形成するものであり、例えば図5〜図7に示すような金型装置の使用により、実現される。
W′ 絶縁被覆電線素材
10 中心導体
20 絶縁被覆
22 通常径部分
24 曲げ補助部
26 大径部
28 小径部
30A 上金型
30B 下金型
40A 中央金型
40B 前金型
40C 後金型
42A 金型内周面
Claims (3)
- 中心導体と、絶縁性を有する合成樹脂材料からなり、前記中心導体を被覆する絶縁被覆と、を備え、当該絶縁被覆が曲げ補助部を有する絶縁被覆電線を製造するための方法であって、
中心導体と、絶縁性を有する熱可塑性樹脂材料からなって前記中心導体を被覆する絶縁被覆と、を有する絶縁被覆電線素材を用意する工程と、
前記絶縁被覆電線素材の軸方向の少なくとも一部の箇所の周囲に当該絶縁被覆電線素材の外周面に対して径方向外側に膨出する形状の部分を含む内面を有する金型を配置する工程と、
当該金型内において前記絶縁被覆を構成する熱可塑性樹脂材料が軟化する温度まで当該絶縁被覆を加熱した状態で当該絶縁被覆の内側の圧力が前記金型内における当該絶縁被覆の外側の圧力よりも高くなるような圧力差を与えることにより、当該絶縁被覆に、前記金型の内面に沿った形状の前記曲げ補助部であって、他の部分よりも当該絶縁被覆の肉厚が小さくかつ当該曲げ補助部の伸び変形により前記絶縁被覆電線の曲げを助ける形状の曲げ補助部を形成する工程と、を含む、絶縁被覆電線の製造方法。 - 請求項1記載の絶縁被覆電線の製造方法であって、前記金型内における絶縁被覆の内側の圧力と外側の圧力との間の圧力差は、当該金型内を排気して減圧することに与えられる、絶縁被覆電線の製造方法。
- 請求項1記載の絶縁被覆電線の製造方法であって、前記金型内における絶縁被覆の内側の圧力と外側の圧力との間の圧力差は、前記絶縁被覆電線素材の少なくとも一方の端部から前記金型内で加熱している絶縁被覆の内側に圧力ガスを押し込むことにより与えられる、絶縁被覆電線の製造方法。
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
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JP2012273242A JP5605424B2 (ja) | 2012-12-14 | 2012-12-14 | 絶縁被覆電線の製造方法 |
CN201380064777.8A CN104838451A (zh) | 2012-12-14 | 2013-06-07 | 绝缘覆层电线及其制造方法 |
EP13862878.9A EP2933801A4 (en) | 2012-12-14 | 2013-06-07 | COATED INSULATING CABLE AND METHOD FOR MANUFACTURING THE SAME |
PCT/JP2013/003613 WO2014091637A1 (ja) | 2012-12-14 | 2013-06-07 | 絶縁被覆電線及びその製造方法 |
US14/647,542 US9620260B2 (en) | 2012-12-14 | 2013-06-07 | Insulating coated wire and method for manufacturing the same |
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JP2012273242A JP5605424B2 (ja) | 2012-12-14 | 2012-12-14 | 絶縁被覆電線の製造方法 |
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JP2014140100A Division JP5655971B2 (ja) | 2014-07-08 | 2014-07-08 | 絶縁被覆電線 |
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US (1) | US9620260B2 (ja) |
EP (1) | EP2933801A4 (ja) |
JP (1) | JP5605424B2 (ja) |
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DE102014226335A1 (de) * | 2014-12-17 | 2016-06-23 | Leoni Kabel Holding Gmbh | Verfahren zur Herstellung einer elektrischen Leitung, Werkzeugform für ein solches Verfahren und Leitung |
JP6287867B2 (ja) * | 2015-01-07 | 2018-03-07 | 株式会社オートネットワーク技術研究所 | 電線及び端子付電線 |
JP6555135B2 (ja) * | 2016-01-12 | 2019-08-07 | 株式会社オートネットワーク技術研究所 | 車両用配線構造及びその製造方法 |
JP6624454B2 (ja) * | 2016-06-01 | 2019-12-25 | 住友電装株式会社 | グロメット及びワイヤハーネス |
DE112018007374B4 (de) * | 2018-03-28 | 2024-06-27 | Autonetworks Technologies, Ltd. | Kabelstrang und Verfahren zur Herstellung eines Kabelstrangs |
US20220134632A1 (en) * | 2019-01-23 | 2022-05-05 | Honda Motor Co., Ltd. | Stacked workpiece molding method and device for same |
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JPS5912209U (ja) * | 1982-07-15 | 1984-01-25 | 株式会社フジクラ | 可「あ」性ケ−ブル |
JPS5988820A (ja) | 1982-11-15 | 1984-05-22 | Ulvac Corp | シ−トプラズマを利用した化合物半導体薄膜製造装置 |
JPS5988820U (ja) * | 1982-12-06 | 1984-06-15 | 三和電工株式会社 | 配線コ−ド |
JPH0747283B2 (ja) * | 1985-03-22 | 1995-05-24 | 株式会社吉野工業所 | 成形素材管の取扱方法 |
US4768481A (en) | 1987-07-24 | 1988-09-06 | Southwest Research Institute | Process and engine using compression ignition of a homogeneous fuel-air mixture |
JPS6436917U (ja) * | 1987-08-31 | 1989-03-06 | ||
JPH02265107A (ja) * | 1989-04-04 | 1990-10-29 | Furukawa Electric Co Ltd:The | 曲がり部付多芯フラットケーブル及びその製造方法 |
US4970351A (en) * | 1990-03-02 | 1990-11-13 | United Techologies Automotive, Inc. | Wiring harness conduit |
JP2931216B2 (ja) | 1994-09-28 | 1999-08-09 | 矢崎総業株式会社 | 屈曲部を有する電線の配索方法 |
JPH10697A (ja) * | 1996-06-14 | 1998-01-06 | Toutaku Kogyo Kk | 合成樹脂ホースとその製造方法 |
JPH10257634A (ja) * | 1997-03-14 | 1998-09-25 | Sumitomo Wiring Syst Ltd | ワイヤハーネス外装用コルゲートチューブ |
EP2012990B1 (en) * | 2005-11-18 | 2019-10-23 | Alan Mark Crawley | Profiling of tubes |
FR2893877B1 (fr) * | 2005-11-30 | 2009-10-09 | Roctool Soc Par Actions Simplifee | Procede de fabrication d'un tuyau ou tube annele |
JP2007166770A (ja) * | 2005-12-13 | 2007-06-28 | Jimbo Electric Co Ltd | 配線用管材 |
JP5322494B2 (ja) * | 2008-05-13 | 2013-10-23 | 矢崎総業株式会社 | 電線 |
JP2010260241A (ja) * | 2009-05-01 | 2010-11-18 | Nitta Moore Co | コルゲートチューブおよびその製造方法 |
JP5758087B2 (ja) * | 2010-06-02 | 2015-08-05 | 矢崎総業株式会社 | ワイヤハーネス |
JP5768702B2 (ja) * | 2011-12-21 | 2015-08-26 | 住友電装株式会社 | ワイヤーハーネス |
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- 2013-06-07 CN CN201380064777.8A patent/CN104838451A/zh active Pending
- 2013-06-07 EP EP13862878.9A patent/EP2933801A4/en not_active Withdrawn
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US20150310961A1 (en) | 2015-10-29 |
JP2014120260A (ja) | 2014-06-30 |
CN104838451A (zh) | 2015-08-12 |
EP2933801A1 (en) | 2015-10-21 |
WO2014091637A1 (ja) | 2014-06-19 |
EP2933801A4 (en) | 2016-03-09 |
US9620260B2 (en) | 2017-04-11 |
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