FIELD: process engineering.
SUBSTANCE: invention relates to welding, particularly to attachment of gas nozzle 33 to welding torch and to gas welding. Gas nozzle 33 is secured at holder 30 arranged at welding torch 10 for plug-in connection of gas nozzle 33 by turning the latter. To make this connection work, one of nozzle holder stages is composed of cam clamp to receive ring-like retainer 35. Second stage has guide surface 38 for gas nozzle 33. This stage has end thrust surface 37 for gas nozzle 33. Nozzle pipe 31 of welding torch 10 has at least one section composed of second guide surface 38 for nozzle 33.
EFFECT: better attachment.
8 cl, 10 dwg
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