US PATENT SUBCLASS 100 / 317
.~.~.~.~.~ Heating or cooling element in box wall


Current as of: June, 1999
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100 /   HD   PRESSES

70 R  DF  WITH ADDITIONAL TREATMENT OF MATERIAL {6}
92  DF  .~ Heating, cooling, or drying {4}
305  DF  .~.~ In press {4}
315  DF  .~.~.~ Reciprocating platen-type press {8}
316  DF  .~.~.~.~ Piston and box type {1}
317.~.~.~.~.~ Heating or cooling element in box wall {1}
318  DF  .~.~.~.~.~.~> Electric heater


DEFINITION

Classification: 100/317

Heating or cooling element in box wall:

(under subclass 316) Apparatus wherein the treating means includes means to heat or cool the material, wherein the means to heat or cool the material is located within the confines of the housing wall.

SEE OR SEARCH CLASS

62, Refrigeration, for an apparatus for removing heat from a substance by a change of phase of the coolant or refrigerant, especially

341, for a device for making a congealed product having a shaping press.

219, Electric Heating, the generic class for an electric heating device, especially

243+, for an electrical heating means combined with a nominal press (e.g., electrically heated iron, etc.) where no significant structural details of the press or article being pressed are claimed.

366, Agitating,

144+, for an agitator having heating and cooling means, especially subclass 149 wherein the heating or cooling material is located in the housing wall.