Electric heating – Metal heating – By arc
Patent
1989-11-13
1991-05-14
Shaw, Clifford C.
Electric heating
Metal heating
By arc
B23K 900
Patent
active
050158228
ABSTRACT:
A nozzle structure for a fume-extracting welding gun is described which provides for efficient removal of fume from a welding site. The nozzle is provided with laterally elongate slots formed through a tapering portion or a right cylindrical portion of the nozzle.
REFERENCES:
patent: 3909586 (1975-09-01), Landis et al.
Mig Vac Inc.
Shaw Clifford C.
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