B - Operations – Transporting – 05 – D
Patent
B - Operations, Transporting
05
D
B05D 1/04 (2006.01) B05B 5/16 (2006.01) B05B 12/14 (2006.01)
Patent
CA 2054537
Disclosed herein is an electrostatic spray- painting method and an electrostatic spray-painting ap- paratus. This method basically comprises the steps of supplying a predetermined amount of water-based paint to an intermediate reservoir from a grounded water- based paint feed source through a feed line having an electrically-insulated portion formed in at least a part thereof; washing the electrically-insulated por- tion with deionized water having specific electric con- ductivity lower than given specific electric con- ductivity; removing the deionized water remaining in the electrically-insulated portion by using dry air after completion of the washing step so as to electri- cally insulate the water-based paint feed source from the intermediate reservoir; and supplying the water- based paint to a spray gun from the intermediate reser- voir under the condition of the water-based paint feed source and the intermediate reservoir being electrical- ly insulated from each other, thereby carrying out an electrostatic spray coating process. The above appara- tus basically comprises a color changeover valve me- chanism, a first directional control valve, a block line, a second directional control valve, an intermedi- ate reservoir, a waste-liquid tank, a spray gun, and a high-voltage applying device.
Ishibashi Ichirou
Kubota Toshio
Ono Yukihito
Sasaki Shoko
Tada Akihiko
Honda Giken Kogyo Kabushiki Kaisha
Marks & Clerk
LandOfFree
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