WELDING PROCESS
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United States of America Patent
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Issued Date -
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app pub date -
Jan 23, 2007
filing date -
Jan 23, 2006
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A welding process for end connection of a first tube to a second tube along a circumferential joint by means of a weld bead, in which the first and the second tube are arranged with respect to one another in the position which is necessary for formation of the circumferential joint, a heat sink for the extraction of coolant is inserted into the first and/or the second tube such that the coolant emitted from it can cool at least one of the tubes in the area of the end to be welded, the tubes and a welding burner for production of the weld bead can be moved relative to one another along the circumferential joint and are welded by the welding burner, and the coolant is used at specific intervals.
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