| 发明名称 |
Repair of double shell heat exchangers |
| 摘要 |
A method and apparatus for sealing a hole in the inner wall of a double wall heat exchanger in which cover means is positioned in biased relationship to the hole and a frame positioned in the opening through which the cover means is inserted against the hole.
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| 申请公布号 |
US4430788(A) |
申请公布日期 |
1984.02.14 |
| 申请号 |
US19810237201 |
申请日期 |
1981.02.23 |
| 申请人 |
OWENS-CORNING FIBERGLAS CORPORATION |
发明人 |
HAYNES, EUGENE M. |
| 分类号 |
B23P6/00;(IPC1-7):B23P7/00;D06F79/00 |
主分类号 |
B23P6/00 |
| 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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