Title: Method and apparatus for degassing metallic melts

Abstract: An arrangement for the degassing of metallic melts in which a rotating member is immersed in the melt. The rotating member has step-shaped elements which form vacuum chambers or spaces during rotation of the member. The vacuum spaces are not filled with melt, and gases are extracted from the melt and carried away from the vacuum spaces with the application of inert gases or reaction gases.

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Inventors: Feichtinger, Heinrich (Schaffhausen, CH)

Application Number: 421755
Filing Date: 1973-12-05
Publication_date: 1976-09-28
Assignee: Leybold-Heraeus-Verwaltung G.m.b.H. (Cologne, DT)
Primary Class(es): 75/708 55/409, 266/226, 266/235
Other Classes:
US Patent Ref:

2575568	Nov, 1951	Topanelia, Jr.	55/199.
2811110	Oct, 1957	Edwards	55/199.
3031974	May, 1932	Edwards	55/199.
3767382	Oct, 1973	Bruno et al.	75/68.

Other Refs:
Primary Examiner: Adee, John
Assistant Examiner: Cross, Ethel R.
Attorney: Padlon; Joseph F.