US PATENT SUBCLASS 34 / 110
.~.~ External

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

523  DF  APPARATUS {40}
108  DF  .~ Rotary drums or receptacles {7}
110.~.~ External {6}
111  DF  .~.~.~> With belt or felt drier
112  DF  .~.~.~> With hopper feed or article securing means
113  DF  .~.~.~> Plural {5}
122  DF  .~.~.~> Gas or vapor circulation for contact with treated material
123  DF  .~.~.~> With belts or felts
124  DF  .~.~.~> Heat exchange fluid supply and/or removal {1}

DEFINITION

Classification: 34/110

(under subclass 108) Apparatus in which the material is carried on the outside surface of a rotary treating drum.

(1) Note. This subclass includes among other structure not provided for below, drum mounting or driving means, drum structure and drums heated other than by exchange fluids.

SEE OR SEARCH THIS CLASS, SUBCLASS:

611, and indented subclasses, subclass 625 for sheet, web or strand driers not of the external drum type.

SEE OR SEARCH CLASS

38, Textiles: Ironing or Smoothing, appropriate subclasses for external rotary drum textile ironers or smoothers.

198, Conveyors: Power-Driven, appropriate subclasses for rotary conveyors, particularly

608, 611+ and 803.16.

432, Heating,

228, for an internally heated work supporting roll.