US PATENT SUBCLASS 110 / 224
.~.~ Dryer

Current as of: June, 1999
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110 /   HD   FURNACES

218  DF  WITH FUEL TREATMENT MEANS {3}
219  DF  .~ Preliminary refuse treatment means {4}
224.~.~ Dryer {3}
225  DF  .~.~.~> Furnace with multiple hearth
226  DF  .~.~.~> Rotary drum type
227  DF  .~.~.~> Having means to effect or facilitate refuse movement {1}

DEFINITION

Classification: 110/224

Dryer:

(under subclass 219) Apparatus provided with means for driving off moisture from the waste material by heating the material prior to delivery to an incineration zone.

SEE OR SEARCH CLASS

34, Drying and Gas or Vapor Contact With Solids, appropriate subclass for methods and apparatus not provided for elsewhere for removing excess or unwanted moisture from solid materials. Further, see the search note in the class definitions of Class 34 for a statement of the line between Class 34 and Class 110.

266, Metallurgical Apparatus,

175, for means to preheat or to dry a charge prior to its entry into a metallurgical furnace.