US PATENT SUBCLASS 266 / 178
.~.~.~.~ Traveling grate

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  DF  .~.~.~ By means for moving charge through zone {2}
178.~.~.~.~ Traveling grate {2}
179  DF  .~.~.~.~.~> With seal means
180  DF  .~.~.~.~.~> Train of grate elements

DEFINITION

Classification: 266/178

(under subclass 177) Device wherein the means for moving the charge through the treating zone comprises a mobile charge supporting surface which surface is perforated to allow air or combustion gases to pass therethrough.

SEE OR SEARCH THIS CLASS, SUBCLASS:

159, for a traveling-grate means combined with gas offtake structure.

SEE OR SEARCH CLASS

432, Heating,

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