US PATENT SUBCLASS 266 / 216
.~ By means introducing treating material

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}
216.~ By means introducing treating material {1}
217  DF  .~.~> Gaseous treating material {2}

DEFINITION

Classification: 266/216

(under subclass 200) Device including means for adding a solid, liquid, or gaseous substance to the molten metal.

SEE OR SEARCH CLASS

75, Specialized Metallurgical Processes, Compositions for Use Therein, Consolidated Metal Powder Compositions, and Loose Metal Particulate Mixtures, appropriate subclasses for a process of introducing a treating material into molten metal.