Gas-shielded arc welding apparatus
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United States of America Patent
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-
Jun 9, 1987
Issued Date -
N/A
app pub date -
Feb 11, 1986
filing date -
Feb 28, 1985
priority date (Note) -
Expired
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Abstract
A gas-shielded arc welding apparatus automatically welds materials to be welded, such as rails or shape steel. The apparatus includes a gas-shielded chamber and a pair of side backing plates arranged within the chamber whereby the whole weld zone of the materials is gas shielded and a welding nozzle and shielding gas outlets are separated from each other. The apparatus also includes a welding apparatus proper and a control unit thereby performing the welding in a fully automatic manner.
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