Electrostatic powder spray coating apparatus with rotating spray

Details Electrostatic powder spray coating apparatus with rotating spray Electrostatic powder spray coating apparatus with rotating spray

1997-05-12

1999-07-13

Chin, Peter

Coating apparatus

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

Electrostatic and/or electromagnetic attraction or...

118620, 118621, 118624, 239240, 239252, 239293, 239105, 239700, B05B 5025, B05C 502

Patent

active

059221313

ABSTRACT:
An electrostatic spray coating apparatus having a spray nozzle which has a spray orifice for atomizing coating material. The nozzle orifice may be round or, preferably, is in the form of a slot to impart a flat shape to the atomized material. The spray nozzle is mounted to be rotated on a body of the spray gun so that the atomized material particles are driven radially outwards in addition to the forward direction and are thereby distributed uniformly in the cloud of sprayed material. A brake may be provided to slow down the rotation when greater penetration into cavities in the article being painted is desired. In invention may be used in either power spray coating apparatus or liquid spray coating apparatus.

REFERENCES:
patent: 3004517 (1961-10-01), Reindl
patent: 3120346 (1964-02-01), Willhoite
patent: 4009829 (1977-03-01), Sickles
patent: 4776520 (1988-10-01), Merritt
patent: 4811906 (1989-03-01), Prus
patent: 4887770 (1989-12-01), Wacker et al.
patent: 5353989 (1994-10-01), Drechsel
patent: 5368237 (1994-11-01), Fulkerson
patent: 5397063 (1995-03-01), Weinstein
patent: 5632448 (1997-05-01), Alexander et al.
Tipler, Paul., Physics for Scientists and Engineers, p. 677, 1991.

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