US PATENT SUBCLASS 266 / 212
.~ Refining means with separate metal-melting zone

Current as of: June, 1999
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266 /   HD   METALLURGICAL APPARATUS

200  DF  MEANS FOR MELTING OR VAPORIZING METAL OR TREATING LIQUEFIED METAL {19}
212.~ Refining means with separate metal-melting zone

DEFINITION

Classification: 266/212

(under subclass 200) Device wherein the means to treat the molten metal is provided with a distinct metal liquefying region or chamber from which the molten metal to be treated is drawn.

SEE OR SEARCH THIS CLASS, SUBCLASS:

162+, for means specialized to extract and refine a metal within separate treating zones.