Printing – Antismut device – Anti-offset material application
Patent
1983-11-29
1985-09-10
Coughenour, Clyde I.
Printing
Antismut device
Anti-offset material application
101153, 101216, 101DIG13, 118621, 118651, 250325, 3461531, 355 3P, 430902, B41M 110, B41F 504, B41F 900, B41F 1100
Patent
active
045399085
ABSTRACT:
The printing unit (1) operating with an electrostatic printing aid has an inductor device (7) for transmitting an electrostatic charge to an outer-shell layer (5) of a back-up cylinder (4). The inductor device is provided on one end face (14) of the back-up cylinder and engages over this end face in the manner of a lid. A continuous annular air gap (15) is located between the end face and the inductor device. Inductor electrodes (9) serve for transmitting the electrostatic charge to the outer-shell layer in a contactless manner and are arranged, concealed against outside access, on the inner face of the inductor device and are aligned by means of their electrode tips with an end-face edge (10) of the outer-shell layer (5). So that no impurities can penetrate into the air gap, it is sealed off or constantly scavenged by compressed air.
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Coughenour Clyde I.
Electronova S.A.
Klima William L.
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