| 发明名称 |
Method for belling and expanding coils |
| 摘要 |
A method and apparatus for belling and expanding the tubes of a plate fin heat exchanger that involves a gripper for gripping the tube during the belling operation and a clamp for clamping a tube sheet during the tension expanding operation.
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| 申请公布号 |
US4815185(A) |
申请公布日期 |
1989.03.28 |
| 申请号 |
US19880153184 |
申请日期 |
1988.02.08 |
| 申请人 |
CARRIER CORPORATION |
发明人 |
GRAY, KENNETH P. |
| 分类号 |
B21C37/24;B21D53/08;(IPC1-7):B21D53/02 |
主分类号 |
B21C37/24 |
| 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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