SIDE NOZZLE, LASER WELDING MACHINE, AND LASER WELDING METHOD
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United States of America Patent
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Issued Date -
Jan 11, 2024
app pub date -
Nov 12, 2021
filing date -
Nov 19, 2020
priority date (Note) -
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Abstract
A head attachment is attached to a welding head of a laser welding machine. The head attachment includes an opening through which a laser beam emitted from the welding head for irradiation to a weld position passes. A gas blow nozzle is attached to the side of the head attachment and blows shielding gas to the weld position. The gas blow nozzle includes a main nozzle that is disposed closer to the head attachment and is supplied with the shielding gas by a first gas pipe, and a sub-nozzle that is disposed so as to be adjacent to the main nozzle and farther away from the head attachment than the main nozzle and is supplied with the shielding gas by a second gas pipe. The sub-nozzle is removable from the main nozzle.
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