| 发明名称 |
FINNED TUBES FOR USE IN HEAT EXCHANGERS |
| 摘要 |
A method of manufacturing a finned tube in which fin stock is first formed as a sheath on a liner tube and the sheath is then extruded to form the fins hereon.
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| 申请公布号 |
US3833987(A) |
申请公布日期 |
1974.09.10 |
| 申请号 |
US19730326543 |
申请日期 |
1973.01.24 |
| 申请人 |
HUDSON PROD CORP,US |
发明人 |
OWEN T,US |
| 分类号 |
B21C37/06;B21C37/20;(IPC1-7):B21D53/02;B23P15/26 |
主分类号 |
B21C37/06 |
| 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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