Method and apparatus for joining a tubular element to a support
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United States of America Patent
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May 27, 1980
Grant Date -
N/A
app pub date -
Jan 31, 1978
filing date -
Feb 11, 1977
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
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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