Method and apparatus for electrostatically coating a workpiece w

Details Method and apparatus for electrostatically coating a workpiece w Method and apparatus for electrostatically coating a workpiece w

1993-05-18

1995-03-14

Lusignan, Michael

Coating processes

Direct application of electrical, magnetic, wave, or...

Electrostatic charge, field, or force utilized

427180, 427475, 427486, 239 3, 239 8, 239429, 239690, 239704, 239706, B05D 112

Patent

active

053976053

ABSTRACT:
In a method of electrostatic painting, the air to be conveyed towards the spraying nozzle (10) of a gun (9) together with the powdered paint, is enriched with at least one additive gaseous fluid consisting of at least one gas supplied from a feeding bottle (136, 137, 138, 139) and/or vapor obtained by submitting the air to bubbling through a working liquid (115). The additive fluid which has a greater electric conductivity than the air, causes an increase in the paint amount coated on the workpiece (11) in relation to the paint amount sprayed from the nozzle (10).

REFERENCES:
patent: 4759500 (1988-07-01), Hoffman et al.

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