Apparatus for atomization in electrostatic coating and method

Details Apparatus for atomization in electrostatic coating and method Apparatus for atomization in electrostatic coating and method

1981-11-16

1983-03-08

Lusignan, Michael R.

Coating processes

Electrical product produced

Integrated circuit, printed circuit, or circuit board

118626, 118627, 427240, B05B 1504

Patent

active

043761356

ABSTRACT:
Rotary devices for atomizing liquid coating material are characterized by a housing having a circular front wall, a generally cylindrical side wall and a plurality of circumferentially spaced passages formed therethrough in proximity with the juncture of the front and side walls. Coating material smoothly introduced into the housing onto the front or side wall is carried in a thin film by centrifugal force toward and into the passages for being projected therefrom and atomized, and an electrostatic field is established between the device and an article to be coated for electrostatic deposition of coating material on the article. The device is rotated at a relatively high speed, and the passages bring the coating material to the full rotational speed of the device as it is projected therefrom, whereby atomization and the quality of the coating on the article are improved.

REFERENCES:
patent: 3411715 (1968-11-01), Wallis
patent: 3442688 (1969-05-01), Pettigrew

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