US PATENT SUBCLASS 432 / 111
.~.~.~ Counterflow of work and combustion products

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}
105  DF  .~ Having combustion products generated in or fed to drum {3}
108  DF  .~.~ Work advancing type (e.g., steady flow of work) {3}
111.~.~.~ Counterflow of work and combustion products

DEFINITION

Classification: 432/111

(under subclass 108) Apparatus in which the work material and combustion products move from drum end to drum end in opposite directions.