.~ By means applying heat to work, e.g., furnace {10}
185
.~.~ With work supporting grate
DEFINITION
Classification: 266/185
(under subclass 171) Device wherein the heating means includes a work-supporting surface which surface is perforated to allow air or combustion gas to pass therethrough.
SEE OR SEARCH THIS CLASS, SUBCLASS:
159, for grate structure combined with gas offtake means.
279, for apparatus which supports the work material on a grate member.
SEE OR SEARCH CLASS
110, Furnaces,
267+, for a progressive feed-grate means in a furnace of general utility. 122, Liquid Heaters and Vaporizers,
