US PATENT SUBCLASS 266 / 202
.~ Spray refining means


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}
202.~ Spray refining means


DEFINITION

Classification: 266/202

(under subclass 200) Device wherein means are provided to enhance treating gas contact with a molten metal which means causes the metal to fall through a treating gas in either a finely divided stream or as a plurality of narrow streams and thus promotes the thorough intermingling and interaction of the gas with the metal.

SEE OR SEARCH CLASS

75, Specialized Metallurgical Processes, Compositions for Use Therein, Consolidated Metal Powder Compositions, and Loose Metal Particulate Mixtures,

331+, for producing solid particulate free metal directly from liquid metal and subclass 525 for impinging free-falling molten metal stream or spray with a gas or solid agent or spraying (i.e., atomizing) of molten metal.

425, Plastic Article or Earthenware Shaping or Treating: Apparatus,

7, for a means for atomizing a molten metal by a blast of fluid in a powder-making apparatus.