Metallurgical apparatus – Means for melting or vaporizing metal or treating liquefied... – With means to cool treating means
Reexamination Certificate
2007-12-11
2007-12-11
Kastler, Scott (Department: 1742)
Metallurgical apparatus
Means for melting or vaporizing metal or treating liquefied...
With means to cool treating means
C266S901000, C373S074000
Reexamination Certificate
active
10928629
ABSTRACT:
A metallurgical vessel for a melting device for liquid metals has a vessel top, a vessel bottom provided with a collar, and an intermediate ring arranged between the vessel top and the vessel bottom. The vessel bottom receives a melt defining a melting zone within the vessel bottom and, above the melting zone, a slag zone for slag is provided. The intermediate ring is arranged at a level of the slag zone. The vessel top completely bridges the intermediate ring and is supported below the intermediate ring on the collar of the vessel bottom so that the intermediate ring is statically completely relieved of any load.
REFERENCES:
patent: 4161620 (1979-07-01), Nakamura
patent: 4458351 (1984-07-01), Richards
patent: 4580271 (1986-04-01), Vatant
patent: 6693949 (2004-02-01), Schubert et al.
patent: 2002/0001332 (2002-01-01), Shver
patent: 0699885 (2001-12-01), None
Kastler Scott
Kueffner Friedrich
SMS Demag Aktiengesellschaft
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