US PATENT SUBCLASS 266 / 184
.~.~.~ Bell and hopper type


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

168  DF  MEANS FOR TREATING ORES OR FOR EXTRACTING METALS {3}
171  DF  .~ By means applying heat to work, e.g., furnace {10}
176  DF  .~.~ With means for moving solid material to or through heating zone {4}
184.~.~.~ Bell and hopper type


DEFINITION

Classification: 266/184

(under subclass 176) Device wherein the charge- feed means includes a storage chamber having a discharge port in the bottom thereof which port is closed by a valve member which is movable axially of said passage.

SEE OR SEARCH CLASS

414, Material or Article Handling,

170, 201+, and 204+ for the combination of a chamber of a type utilized for a heating function and a material charging means therefor, and wherein the means includes a device of the bell and hopper type.