Coating apparatus – With means to apply electrical and/or radiant energy to work... – Electrostatic and/or electromagnetic attraction or...
Patent
1988-09-07
1990-02-06
Hoag, Willard
Coating apparatus
With means to apply electrical and/or radiant energy to work...
Electrostatic and/or electromagnetic attraction or...
118630, 118634, 118308, 118324, 118326, B05C 102, B05C 500, B05C 1300
Patent
active
048981168
ABSTRACT:
A powder coating booth a function of supplying air though its ceiling. Sidewalls of the booth is formed from an insulating material or a semiconductor. A belt conveyor is disposed at the bottom of the booth. An electric field is formed so that it extends from a paint gun to the conveyor belt. The majority of oversprayed powder paint produced during painting becomes attached to the upper surface of a portion of the conveyor belt, is carried, together with this belt portion, to the outside of the booth, and is recovered from the conveyor by a blowing-type of static eliminator, thereby minimizing the mount of oversprayed powder paint mixed in an exhaust of the booth drawn through the sidewall.
REFERENCES:
patent: 2191827 (1940-02-01), Benner et al.
patent: 3991710 (1976-11-01), Gourdine et al.
patent: 4257345 (1981-03-01), Brice
patent: 4321281 (1982-03-01), Itoh
patent: 4563977 (1986-01-01), Spengler
Anon. "Product in Perspective", Design Eng. (G.B.), 1-1979, p. 124, relied on.
Furuya Nobuo
Itoh Tsutomu
Kimura Shin-ichi
Kozoe Katsutoshi
Kumada Mitsuyoshi
Hoag Willard
Onoda Cement Company, Ltd.
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