发明名称 |
Method and apparatus for joining a tubular element to a support |
摘要 |
The invention provides method of securing a tubular element such as a heat exchange tube to a support such as a tube plate. The method involves inserting an over-size ultrasonically vibrating tool therein to expand the element outwardly against the internal wall of the aperture. The invention also provides apparatus for carrying out the method.
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申请公布号 |
US4204312(A) |
申请公布日期 |
1980.05.27 |
申请号 |
US19780873887 |
申请日期 |
1978.01.31 |
申请人 |
SERCK IND. LTD. |
发明人 |
TOOKER, PHILIP G |
分类号 |
B21D39/06;F28F9/16;(IPC1-7):B21D39/00;B23P11/00;B23P11/02 |
主分类号 |
B21D39/06 |
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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