Gas separation: apparatus – Magnetic separating means
Patent
1974-12-12
1978-02-21
Herbert, Jr., Thomas J.
Gas separation: apparatus
Magnetic separating means
96 14, 118 7, 118 8, 118644, 355 3R, 355 3DD, 356162, 356205, 427 14, G03G 1322
Patent
active
040750116
ABSTRACT:
In an electrostatic powder coating method for coating a plate with electrostatic coating powder after or before the plate is provided with marking lines by electrophotographic print marking process, areas which are preferred to be free from the coating are not applied with the coating powder. After the coating powder is uniformly scattered on the plate, the powder is selectively removed to form a pattern shaped coating on the plate to form a non-coat area around the marking lines. In order to selectively remove the powder from the surface of the plate, a powder removing device which is controlled by a non-coating signal is used. The non-coating signal is given by a non-coating information output device. The non-coating information is recorded on an original which carries marking information for the electrophotographic print marking process. The marking information is recorded in one color and the non-coating information is recorded in another color on the original so that the marking information and the non-coating information may be detected independently of each other.
REFERENCES:
patent: 3833365 (1974-09-01), Hiwano et al.
patent: 3926627 (1975-12-01), Iwasa
patent: 3926628 (1975-12-01), Honjo
Horikawa Kazuo
Iwasa Masakazu
Matsumoto Seiji
Fuji Photo Film Co. , Ltd.
Herbert, Jr. Thomas J.
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