Pressure-heat drying method and an apparatus therefor

  • US 20040237334A1
  • Filed: 06/22/2004
  • Published: 12/02/2004
  • Est. Priority Date: 02/01/2002
  • Status: Abandoned Application
First Claim
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1. A pressure-heat drying apparatus comprising:

  • a pressure vessel for accommodating a workpiece to be dried, said workpiece coated with a solution containing a solute dissolved in a solvent adhering thereto;

    a pressure regulating means for increasing a pressure in said pressure vessel to a level equal to or higher than an atmospheric pressure by introducing an air or an inert gas into said pressure vessel;

    a temperature regulating means for increasing a temperature in said pressure vessel to a level equal to or higher than a room temperature;

    a pressure and temperature maintaining means for maintaining the pressure and the temperature in said pressure vessel constantly at a set pressure and a set temperature, respectively; and

    a pressure reducing means for reducing the pressure in said pressure vessel to the atmospheric pressure.

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