US PATENT SUBCLASS 266 / 220
.~.~.~.~ Having porous outlet

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}
220.~.~.~.~ Having porous outlet

DEFINITION

Classification: 266/220

(under subclass 218) Device wherein the means discharges through a foraminous member.

SEE OR SEARCH CLASS

261, Gas and Liquid Contact Apparatus,

94+, and 100+, for gas-liquid con-sheet.