Welder for metal rolling system, metal rolling system, and metal rolling method
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United States of America Patent
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Apr 23, 2013
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N/A
app pub date -
Oct 20, 2008
filing date -
Oct 20, 2007
priority date (Note) -
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Abstract
A welder for a metal rolling system, which is disposed in the metal rolling system and is configured to perform spot-welding on a product strip, includes a back bar disposed below the pass line and welding guns disposed above the pass line to perform series welding for welding a plurality of points at one time.
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