Rotary atomizing electrostatic coating apparatus and a method of

Details Rotary atomizing electrostatic coating apparatus and a method of Rotary atomizing electrostatic coating apparatus and a method of

1995-08-11

1997-10-14

Engel, James

Coating apparatus

With means to apply electrical and/or radiant energy to work...

Electrostatic and/or electromagnetic attraction or...

118302, 118626, 239106, 239113, 239223, 239706, B05B 310

Patent

active

056767560

ABSTRACT:
A rotary atomizing electrostatic coating apparatus includes a plurality of paint nozzles and a solvent nozzle. Each paint nozzle communicates uniquely with a respective paint source separate by respective paint passages which are pathwise separate from each other. In each paint passage, a respective paint valve is installed. When changing a painting color according to the present invention, the paint filling the operating paint nozzle and the paint passage connected thereto is not washed out by a washing solvent, so that the amount of paint wasted when changing the painting color is decreased to substantially zero and the working time period for changing the painting color is also shortened. A corresponding method of use of such an apparatus is also disclosed which reduces the amount of paint wasted and the amount of solvent used during a step of switching from a first paint to a second paint.

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