US PATENT SUBCLASS 432 / 114
.~.~ Heat emitter is tube within the drum chamber or the drum wall

Current as of: June, 1999
Click HD for Main Headings
Click for All Classes

Internet Version by PATENTEC © 1999      Terms of Use


432 /   HD   HEATING

103  DF  TUMBLER-TYPE ROTARY - DRUM FURNACE {8}
112  DF  .~ Externally heated drum or associated heating element heats work by conduction or radiation {2}
114.~.~ Heat emitter is tube within the drum chamber or the drum wall

DEFINITION

Classification: 432/114

(under subclass 112) Apparatus including a heat emitting conduit passing through the work space of the chamber of the structure or through or along the cylindrical structure of the drum.