Metallurgical apparatus – Means for melting or vaporizing metal or treating liquefied... – By providing – treating or protecting environment – e.g. – vacuum
Patent
1979-05-07
1980-07-08
Baldwin, Robert D.
Metallurgical apparatus
Means for melting or vaporizing metal or treating liquefied...
By providing, treating or protecting environment, e.g., vacuum
164259, 164415, 266217, B22D 1110, B22D 2300, C22B 900
Patent
active
042113903
ABSTRACT:
An apparatus for shielding a stream of molten metal during teeming consisting of a pair of cylinders aligned on a common axis by means adapted to position one cylinder against a ladle around the pouring spout and the second cylinder proximate a tundish, ingot mold or pouring trumpet. Also included are means to form a gas barrier between the cylinders to contain a shielding (inert) gas around the molten metal stream to protect the stream from contact by the ambient atmosphere and means to mount the apparatus on a pouring ladle carriage.
REFERENCES:
patent: 2905989 (1959-09-01), Black
patent: 3482621 (1969-12-01), Halliday
patent: 3616843 (1971-11-01), Newhall et al.
patent: 3756305 (1973-09-01), Haussner
patent: 3841385 (1974-10-01), Burk
patent: 4090552 (1978-05-01), Laird et al.
Poole Brian
Young Philip J.
Air Products and Chemicals Inc.
Baldwin Robert D.
Batten, Jr. J. Reed
Innis E. Eugene
Simmons James C.
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