US PATENT SUBCLASS 219 / 388
.~.~ With means whereby material to be heated may be passed continuously through heated area (e.g., conveyor)

Current as of: June, 1999
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219 /   HD   ELECTRIC HEATING

200  DF  HEATING DEVICES {14}
385  DF  .~ Combined with container, enclosure, or support for material to be heated {12}
388.~.~ With means whereby material to be heated may be passed continuously through heated area (e.g., conveyor)

DEFINITION

Classification: 219/388

(under subclass 385) Subject matter including means whereby material to be heated is continuously passed through a container or enclosure while being subjected to the effects of a heating device or devices, usually by means of conveyor means.

SEE OR SEARCH CLASS

34, Drying and Gas or Vapor Contact With Solids,

201+, especially subclasses 203+ for houses, kilns and containers combined with conveyor means.

53, Package Making,

127, for apparatus including heating or cooling the material contents of packages while being conveyed past a station.

118, Coating Apparatus, 641+, for coating apparatus combined with radiant heating devices in which the coated work may be passed through the heating area, see particularly subclasses 65, 67 and 68.

425, Plastic Article or Earthenware Shaping or Treating: Apparatus, for an injection type molding machine having distinct means for heating or cooling to enhance feeding of the work, and

378.1+, for an extrusion shaping apparatus including heating or cooling means for the material being shaped.