US PATENT SUBCLASS 266 / 221
.~.~.~.~ By means to introduce diverse 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  DF  .~ By means introducing treating material {1}
217  DF  .~.~ Gaseous treating material {2}
218  DF  .~.~.~ Having fluid inlet formed in vessel wall, e.g., tuyere {5}
221.~.~.~.~ By means to introduce diverse material {1}
222  DF  .~.~.~.~.~> Concentric flow paths

DEFINITION

Classification: 266/221

(under subclass 218) Device wherein said adding means is adapted to concurrently supply plural materials.

SEE OR SEARCH THIS CLASS, SUBCLASS:

182, for a means to introduce a solid entrained in a fluid into an ore treating or metal-extracting device.

188, for a means to introduce diverse fluids via a common outlet into an ore treating or metal-extracting device.

267, for a means specialized for simultaneously feeding diverse materials into a vessel.