Electrostatic coating method

Details Electrostatic coating method Electrostatic coating method

1979-03-06

1980-11-11

Kaplan, Morris

Coating processes

Electrical product produced

Integrated circuit, printed circuit, or circuit board

B05D 104

Patent

active

042333350

ABSTRACT:
Powder is continuously circulated through a conduit loop, which has an enlarged section to increase powder turbulence, whereby the powder acquires a substantial electrostatic charge. Communication is then established with a second conduit section in which an article to be coated has been positioned to effect coating by the charged powder.

REFERENCES:
patent: 1534627 (1925-04-01), Leomans
patent: 2602417 (1952-07-01), Medcalf
patent: 2602418 (1952-07-01), Paasche
patent: 2763575 (1956-09-01), Bede
patent: 3655438 (1972-04-01), Sterling et al.
patent: 3831555 (1974-08-01), Srinivas
patent: 3903321 (1975-09-01), Schaad
patent: 3905330 (1975-09-01), Coffee
patent: 3918401 (1975-11-01), Blakeslee
patent: 3946125 (1976-03-01), Scheiber
patent: 3976031 (1976-08-01), Itoh
patent: 3982050 (1976-09-01), Kato et al.
patent: 4036170 (1977-07-01), Goodheim

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