| 发明名称 |
Electric heater coil forming and transporting apparatus |
| 摘要 |
A method and apparatus for forming an electric resistance heating coil of desired resistance that involves forming a helical coil and supporting the helical coil during forming in a vibrating through to prevent compression of the forming coil.
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| 申请公布号 |
US4982588(A) |
申请公布日期 |
1991.01.08 |
| 申请号 |
US19890454478 |
申请日期 |
1989.12.21 |
| 申请人 |
CARRIER CORPORATION |
发明人 |
HAYES, LISA;EVANS, ARTHUR |
| 分类号 |
B21F3/00;H05B3/32 |
主分类号 |
B21F3/00 |
| 代理机构 |
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代理人 |
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| 主权项 |
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| 地址 |
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