Electrostatic powder coating method and apparatus
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United States of America Patent
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-
Jan 27, 1998
Grant Date -
N/A
app pub date -
Aug 16, 1995
filing date -
Aug 18, 1994
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An electrostatic powder coating apparatus is provided which includes a spray gun and a powder supply unit. The spray gun includes facilities for dually functioning to both pulverize and disperse the aggregated powder and powder adhesion preventing facilities. Both the pulverizing and dispersing facilities and the powder adhesion prevention facilities are provided in a nozzle lip of the spray gun of the electrostatic powder coating apparatus. The powder supply unit includes a temperature/humidity control facilities for adjusting the temperature and humidity of the compressed air supplied to an air chamber within the powder supply unit.
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