Method of welding tube ends onto a tube sheet
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United States of America Patent
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Feb 5, 1991
Grant Date -
N/A
app pub date -
Jul 13, 1988
filing date -
Jul 15, 1987
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A method of welding porous tube ends onto a tube sheet is disclosed, wherein tube ends projecting over the tube sheet are fused into a melt. Part of the melt is conducted to the outside in a radial direction, so that it lies on the end face of the tube sheet. Melt and tube sheet are then welded together. The tube end is preferably cooled from the inside by a metal pin is inserted into the tube end.
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