Process and apparatus for electrostatic application of liquids o

Details Process and apparatus for electrostatic application of liquids o Process and apparatus for electrostatic application of liquids o

1982-12-14

1985-06-04

Page, Thurman K.

Coating apparatus

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

Electrostatic and/or electromagnetic attraction or...

118303, 118627, 118630, 118638, 427 28, 427 31, 427 33, 427 32, B05B 502, B05D 104

Patent

active

045207542

ABSTRACT:
The present invention relates to a process and an apparatus for electrostatic application of liquids or powders on many different substances and objects, by means of a cone diffusing the substances or objects to be coated, in free fall continuously along the internal wall of a tube where a high voltage positive corona zone is produced, while the liquid or powder is prayed from a centrifugal atomizer, by which a high voltage negative corona zone is produced, so that the liquid or powder is charged negatively and is attracted by the substances or objects charged positively and sliding on the wall of the tube.

REFERENCES:
patent: 1855869 (1932-04-01), Pugh
patent: 3000574 (1961-09-01), Sedlacsik, Jr.
patent: 3001890 (1961-09-01), Sedlacsik, Jr.
patent: 4116163 (1978-09-01), Torelli et al.
patent: 4209550 (1980-06-01), Hagenbach et al.
patent: 4324198 (1982-04-01), Muz

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