US PATENT SUBCLASS 34 / 65
.~.~.~.~ With integral cooling chamber or section

Current as of: June, 1999
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34 /   HD   DRYING AND GAS OR VAPOR CONTACT WITH SOLIDS

523  DF  APPARATUS {40}
60  DF  .~ For diverse operations on treated material {4}
62  DF  .~.~ With treated material cooling means {4}
64  DF  .~.~.~ Gravity flow-type drier {1}
65.~.~.~.~ With integral cooling chamber or section

DEFINITION

Classification: 34/65

(under subclass 64) Apparatus in which the cooling means is either (1) a section integral with the drier, or (2) a similar "shaft type" gravity flow section.

(1) Note. Devices which draw gases through one section to cool the material and then heat it and pass it through another section are here.