.~ Heating tube, element, or flue traverses work space
DEFINITION
Classification: 432/209
(under subclass 120) Apparatus including a work chamber traversed by a heat emitting tube or rod that supplies heat to the chamber atmosphere or to the work therein.
SEE OR SEARCH THIS CLASS, SUBCLASS:
102, for a shaft type furnace having a heat emitting tube or flue within or traversing the shaft chamber.
135, for a work chamber in which a traveling heat emitter carries or stirs the work.
148, for a work chamber in which work is progressed and heated by combustion products and that is also heated by a heat radiator in the chamber.
