US PATENT SUBCLASS 159 / 7
.~ Moving-film support


Current as of: June, 1999
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159 /   HD   CONCENTRATING EVAPORATORS

5  DF  FILM TYPE {4}
7.~ Moving-film support {1}
8  DF  .~.~> Gaseous current {1}


DEFINITION

Classification: 159/7

(under subclass 5) Apparatus in which the film is spread or supported on a traveling surface for evaporation.

SEE OR SEARCH CLASS

34, Drying and Gas or Vapor Contact With Solids, for driers of the endless carrier or rotary type.

165, Heat Exchange,

86+, for a movable heat exchange surface not specialized to the evaporation of liquid.

425, Plastic Article or Earthenware Shaping or Treating: Apparatus,

223, for a flake-forming apparatus comprising means for casting a film on a moving endless surface and a means to remove the hardened film as flakes.