Method and device for welding together two bodies
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United States of America Patent
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May 18, 2004
Grant Date -
N/A
app pub date -
Dec 3, 2001
filing date -
Feb 5, 1999
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A method and apparatus for welding together two pipes or plates. The bodies to be welded are placed mutually in line against each other while leaving clear a weld groove. The weld groove is filled with more than one welding layer by a welding torch moved in a longitudinal direction of the weld groove, and wherein two welding layers are laid in one welding pass by two welding torches placed successively at a predetermined fixed distance in the longitudinal direction of the weld groove, so that a time-saving is achieved in the welding process.
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