(under the class definition) Apparatus having means by which work is moved for scattered by the flow or pressure of heating gases, the arrangement being such that the work would not be so moved or scattered in the absence of the heating gases.
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15, for a heating process including the maintainance of a fluidized bed.
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34, Drying and Gas or Vapor Contact With Solids,
576+, a drying or gas and vapor contact apparatus with fluid current conveying of the treated material; and subclass 640 for such apparatus in which a sheet, web, or strand is supported or guided by a fluid current.
110, Furnaces, 243+, for a refuse incinerator wherein the refuse is suspended in or supported by a fluid medium.
159, Concentrating Evaporators,
4.1+, for a device for concentrating a liquid by evaporation involving a gaseous current and a spray device.
239, Fluid Sprinkling, Spraying, and Diffusing,
79+, for a device melting and spraying solid material.
264, Plastic and Nonmetallic Article Shaping or Treating: Processes,
12, for a process of forming solid particles from a molten mass by a gaseous jet or blast.