Method of electrostatically coating an article with paint

Details Method of electrostatically coating an article with paint Method of electrostatically coating an article with paint

1980-11-10

1982-07-27

Newsome, John H.

Coating processes

Electrical product produced

Integrated circuit, printed circuit, or circuit board

427 27, B05D 106

Patent

active

043418155

ABSTRACT:
A method of electrostatically coating an article (35) with paint includes projecting the paint from a gun nozzle (33) in a plurality of atomized particles, establishing an electric field (32) between an electrode (29) and the nozzle (33) sufficient for imparting an electric charge of one polarity to the particles at the nozzle (33), and establishing a zone of ions (80) in the pathway of the particles for neutralizing and reversing the polarity of a portion of the charged particles eminating from the nozzle (33). The plurality of diversely charged particles are attracted to the electrically charged article (35) along different individual paths in order to more uniformly paint irregular surfaces.

REFERENCES:
patent: 2960273 (1960-11-01), Croskey et al.
patent: 3186864 (1965-06-01), Pettigrew et al.
patent: 3323934 (1967-06-01), Point
Walbers, "Canadian Paint and Finishing", Oct. 1977, pp. 37-45.

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