.~ By means applying heat to work, e.g., furnace {10}
173
.~.~ Rotary drum-type furnace
DEFINITION
Classification: 266/173
(under subclass 171) Device wherein the heating means includes a barrel-like receptacle within which the work is placed, which receptacle is mounted to continuously revolve about its longitudinal axis while the work is being heated.
SEE OR SEARCH THIS CLASS, SUBCLASS:
145, for fume-handling means combined with rotary drum-type furnaces.
163, for rotary furnaces adapted to extract and refine a metal.
178+, for revolving annular-load-supporting grates.
213, for rotary melting or refining vessels.
SEE OR SEARCH CLASS 432, Heating,
103+, for rotary drum furnaces of general utility. For further searches, see the search notes for subclass 103.
