US PATENT SUBCLASS 427 / 459
.~.~ Fluidized bed utilized

Current as of: June, 1999
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427 /   HD   COATING PROCESSES

457  DF  DIRECT APPLICATION OF ELECTRICAL, MAGNETIC, WAVE, OR PARTICULATE ENERGY {15}
458  DF  .~ Electrostatic charge, field, or force utilized {7}
459.~.~ Fluidized bed utilized {2}
460  DF  .~.~.~> Ionization or corona discharge utilized
461  DF  .~.~.~> Heating or fusing applied coating

DEFINITION

Classification: 427/459

Fluidized bed utilized:

(under subclass 458) Processes wherein a bed or mass of solid coating particles is maintained in a state of fluidization by passing a gas in a generally upward direction through the particles which remain in a confined volume and is utilized in the coating of an article or substrate.