US PATENT SUBCLASS 266 / 47
.~ Tuyere operation

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

44  DF  PROCESS {3}
47.~ Tuyere operation

DEFINITION

Classification: 266/47

(under subclass 44) Method for operating short tubular means adapted to be mounted in wall of a metallurgical apparatus for injecting fluents therein.

SEE OR SEARCH THIS CLASS, SUBCLASS:

186+, and 218+, for tuyeres combined with treating vessel structure.

265+, for tuyere structure, per se.