US PATENT SUBCLASS 266 / 177
.~.~.~ By means for moving charge through zone

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}
177.~.~.~ By means for moving charge through zone {2}
178  DF  .~.~.~.~> Traveling grate {2}
181  DF  .~.~.~.~> Means forming cascading array

DEFINITION

Classification: 266/177

(under subclass 176) Device wherein means are provided within the heating means for propelling or conveying the work undergoing treatment through said heating means.

SEE OR SEARCH CLASS

198, Conveyors: Power-Driven, appropriate subclass, for conveyors of general utility.

414, Material or Article Handling,

159+, and 160+ as discussed in the reference to that class in subclass 176 above, and see particularly subclasses 153 and 166 of the respective areas.

432, Heating, 121+, for an apparatus having means by which work is mechanically moved through a heating device of general utility.