Process and apparatus for exhausting fumes produced by arc weldi

Details Process and apparatus for exhausting fumes produced by arc weldi Process and apparatus for exhausting fumes produced by arc weldi

1979-10-02

1981-09-01

Goldberg, E. A.

Electric heating

Metal heating

By arc

15319, 98115R, 180167, 219137R, 21913741, B23K 932

Patent

active

042874050

ABSTRACT:
During arc welding, optical radiation emitted from an arc is detected by means of a photoelectric device, and an electric detection signal from the photoelectric device is used for controlling the travel of a suction hood along a weld line so that the weld fumes may be exhausted through the suction hood and to insure that the weld metal zone is always covered by the suction hood.

REFERENCES:
patent: 2772625 (1956-12-01), Clark
patent: 4058299 (1977-11-01), Linduist

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