| 发明名称 |
PROCEMIENTO DE FABRICACION DE UN INTERCAMBIADOR DE CALOR. |
| 摘要 |
<p>A hea exchanger consisting of >=1 ribbed tube is mfrd. by forcing the ribs which have a diameter less than the smallest diameter of the tube over the outside of the tube. The bore of the rib is produced by forming a turned over flange on one face of a flange or collar, which is preferably elastically deformable.</p> |
| 申请公布号 |
ES442463(A1) |
申请公布日期 |
1977.05.16 |
| 申请号 |
ES19630004424 |
申请日期 |
1975.11.08 |
| 申请人 |
PROMOTHERMO VERWARMINSTOEPASSING, B. V. |
发明人 |
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| 分类号 |
B21C37/24;B21D53/08;F28D1/053;(IPC1-7):28F/ |
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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