Metallurgical apparatus – With means treating or handling gases exhausted by treating... – Hood
Patent
1977-01-24
1978-03-28
Dost, Gerald A.
Metallurgical apparatus
With means treating or handling gases exhausted by treating...
Hood
266143, C21C 552
Patent
active
040811786
ABSTRACT:
Apparatus for collection of tapping gases to prevent worker exposure to them is disclosed.
The apparatus comprises a plurality of screens in combination with an opening in the floor positioned so that tapping gases are removed by the smoke hood without the need for separate tapping gas removal apparatus.
REFERENCES:
patent: 3913898 (1975-10-01), Wolters
patent: 3938788 (1976-02-01), Josten
Kopperstad Leif
Opedal Halldor
Dost Gerald A.
Elkem-Spigerverket A/S
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