Nozzle for drawing off welding fumes

Details Nozzle for drawing off welding fumes Nozzle for drawing off welding fumes

1977-05-04

1979-02-27

Blunk, Evon C.

15307, F23J 1108

Patent

active

041412850

ABSTRACT:
A nozzle assembly for drawing off welding fumes at a welding site. The assembly comprises an elongate tubular element having a longitudinal slot defined between two inwardly directed flanges, the tubular element being capable of axial telescopic extension in at least one direction. The tubular element is connected to a tube which leads in use to a suction fan for drawing off the fumes through the slot. The connection of the tube to the tubular element can be made opposite the slot or at one end of the element. The assembly includes means for closing the other end or ends of the element.

REFERENCES:
patent: 1034304 (1912-07-01), Runnion et al.
patent: 1129817 (1915-02-01), Tangeman
patent: 1543297 (1925-06-01), Robinson
patent: 1759804 (1930-05-01), Pieron
patent: 2534189 (1950-12-01), Wright
patent: 3134129 (1964-05-01), Allen

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