Welding device and welding method
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United States of America Patent
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Nov 29, 2022
Grant Date -
Jan 18, 2018
app pub date -
Jan 4, 2016
filing date -
Jan 26, 2015
priority date (Note) -
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Abstract
A welding system includes a welding torch that welds a workpiece by using a wire, a suction device that sucks shielding gas, and a sucked shielding gas supply path for allowing the sucked shielding gas to flow, wherein the welding torch includes a contact chip that guides the wire, a shielding gas supply nozzle that supplies the shielding gas to a weld zone, and a suction nozzle that surrounds a periphery of the wire protruding from the contact chip, and is opened toward a tip of the wire to suck the shielding gas.
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