US PATENT SUBCLASS 432 / 110
.~.~.~ Structure providing different rates of heating or work movement along axis

Current as of: June, 1999
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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}
110.~.~.~ Structure providing different rates of heating or work movement along axis

DEFINITION

Classification: 432/110

(under subclass 108) Apparatus including structure that provides (1) for different rates of heating of the work at different zones as it moves along the drum or (2) for different rates of movement of the material along the drum.