JP2005034901A - 電磁拡管成形用コイル - Google Patents
電磁拡管成形用コイル Download PDFInfo
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- JP2005034901A JP2005034901A JP2003277145A JP2003277145A JP2005034901A JP 2005034901 A JP2005034901 A JP 2005034901A JP 2003277145 A JP2003277145 A JP 2003277145A JP 2003277145 A JP2003277145 A JP 2003277145A JP 2005034901 A JP2005034901 A JP 2005034901A
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- Prior art keywords
- conductor
- coil
- axis
- shaft center
- radius
- Prior art date
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Abstract
【解決手段】 導体2は、軸心1の周面における巻回時の湾曲半径よりも若干小さな湾曲半径となって、軸心1の孔3を挿通して軸心内部に入るが、軸心1の長手方向には屈曲しない。そして、導体2は、軸心内部において、滑らかに湾曲してその延長方向を軸心1の基端部側に向け、軸心1の中心部(中心線5)を通って、コイル基端部側に導かれる。この場合に、この軸心内部における導体の湾曲部101は軸心内面に接触している。軸心1の導体2が巻回される周面の半径をR1、軸心の内径をR2としたとき、0.5≦(R2/R1)≦0.95である。
【選択図】 図1
Description
2;導体
3;孔
4;絶縁性樹脂
5;軸心の中心線
11;ワーク
12;外型
13;電磁拡管成形用コイル
14;端子
101;湾曲部
Claims (2)
- 筒状の軸心と、コイル基端部側から前記軸心の周面に巻回され、コイル先端部側で前記軸心の内部に移り、この軸心内部を通って前記コイル基端部側に導出された導体と、を有する電磁拡管成形用コイルにおいて、前記導体はコイル先端にて前記軸心の周面から前記軸心の長手方向に曲がることなく前記軸心を挿通して前記軸心の内部に入り、軸心内部にて湾曲してその延びる方向をコイル基端部側に向け、この導体の軸心内部の湾曲部は前記軸心の内面に接触していることを特徴とする電磁拡管成形用コイル。
- 前記軸心の前記導体が巻回される周面の半径をR1、前記軸心の内径をR2としたとき、0.5≦(R2/R1)≦0.95であることを特徴とする請求項1に記載の電磁拡管成形用コイル。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2003277145A JP4030933B2 (ja) | 2003-07-18 | 2003-07-18 | 電磁拡管成形用コイル |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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JP2003277145A JP4030933B2 (ja) | 2003-07-18 | 2003-07-18 | 電磁拡管成形用コイル |
Publications (2)
Publication Number | Publication Date |
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JP2005034901A true JP2005034901A (ja) | 2005-02-10 |
JP4030933B2 JP4030933B2 (ja) | 2008-01-09 |
Family
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Application Number | Title | Priority Date | Filing Date |
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JP2003277145A Expired - Lifetime JP4030933B2 (ja) | 2003-07-18 | 2003-07-18 | 電磁拡管成形用コイル |
Country Status (1)
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JP (1) | JP4030933B2 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2007275909A (ja) * | 2006-04-04 | 2007-10-25 | Kobe Steel Ltd | 電磁成形コイル |
-
2003
- 2003-07-18 JP JP2003277145A patent/JP4030933B2/ja not_active Expired - Lifetime
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2007275909A (ja) * | 2006-04-04 | 2007-10-25 | Kobe Steel Ltd | 電磁成形コイル |
JP4744339B2 (ja) * | 2006-04-04 | 2011-08-10 | 株式会社神戸製鋼所 | 電磁成形コイル |
Also Published As
Publication number | Publication date |
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JP4030933B2 (ja) | 2008-01-09 |
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