METHOD AND SYSTEM FOR WELDING CONDUITS
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United States of America Patent
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Issued Date -
Feb 13, 2014
app pub date -
Aug 5, 2013
filing date -
Aug 8, 2012
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A system and a method for welding two or more conduits are disclosed. The system includes a root welding tool, a filler welding tool and a support member. The root welding tool root weld a gap to form a root layer configured along end portions, from outer circumferential surfaces side opposite to inner circumferential surfaces side of conduits. The root weld is performed such that spattering of root weld material is prevented. The filler welding tool is utilized to fill the gap. The support member is provided for applying an outward thrust to ensure shrinkage of the filler and root weld materials longitudinally and radially outward, preventing pressing out of the filler and root weld materials along the inner circumferential surfaces side.
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