| 摘要 |
An electrostatic powder coating apparatus for coating the surfaces of articles with pulverulent materials having a quick and efficient material change feature such that said apparatus is adapted for selectively spraying materials having different characteristics wherein the change from one material to another can be accomplished without extensive purging of the system, said apparatus including a spray gun, a powder supply means adapted to be removably connected to the inlet of said spray gun, and a control means adapted to be connected to a switching means on said gun for controlling the supply of pulverulent materials to said gun.
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