Offset plate image transfer attachment for graphic art cameras

Details Offset plate image transfer attachment for graphic art cameras Offset plate image transfer attachment for graphic art cameras

1978-11-28

1981-06-30

Beha, Jr., William H.

Photocopying

Projection printing and copying cameras

Combined with or convertible to a contact printer

355 16, G03G 1526

Patent

active

042759579

ABSTRACT:
An attachment for a graphic art camera taking the place of the ordinary silver halide film cartridge for use in making a lithographic printing plate. The attachment includes an endless web mounted on rollers. At least a portion of the web is made of flexible electrophotographic film. The electrophotographic film is rotated past a charging station where the film is charged, an exposure station where a latent image is formed, a toning station where the latent image is toned with an ink-receptive toner, and a transfer station. At the transfer station the toned image is transferred from the film portion to a blank lithographic printing plate. The resulting plate is suitable for use in an offset printing press.

REFERENCES:
patent: 3284224 (1966-11-01), Lehmann
patent: 3299787 (1967-01-01), Kolb et al.
patent: 3936175 (1976-02-01), Jones
patent: 4003651 (1977-01-01), Hashida et al.

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