| 发明名称 |
METODO ED APPARECCHIO PER ESPANDERE IN TENSIONE IN UNA SOLA OPERAZIONE SERPENTINE PER SCAMBIATORI DI CALORE |
| 摘要 |
A method and apparatus for expanding in compression a portion of a plate fin heat exchanger up to a tube sheet and then gripping the expanded portion of the tube end to expand the remainder of the tube in tension and then unclamping and belling the end of the tube at a single station. |
| 申请公布号 |
IT1223593(B) |
申请公布日期 |
1990.09.29 |
| 申请号 |
IT19870023172 |
申请日期 |
1987.12.22 |
| 申请人 |
CARRIER CORP. |
发明人 |
GRAY KENNETH P. |
| 分类号 |
B21D39/20;B21D41/02;B21D51/16;B21D53/08;(IPC1-7):F28F/ |
主分类号 |
B21D39/20 |
| 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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