Recorders – Printing – dotting – or punching marker – Ink transfer support or moving means
Patent
1987-11-04
1988-09-27
Evans, Arthur G.
Recorders
Printing, dotting, or punching marker
Ink transfer support or moving means
346150, G01J 1500
Patent
active
047745320
ABSTRACT:
A laser plate-making apparatus includes a moistureproof paper feed magazine for feeding plate materials one by one, each having a photosensitive layer, a charger for charging the plate material with an electric charge, an exposing unit for exposing the plate material charged with the electric charge, using a laser beam modulated in accordance with a plate-making image to partially neutralize the electric charge and form an electrostatic latent image, a developing unit for developing the electrostatic latent image by applying a developing solution to the plate material, the developing unit being located at the lowest position in a convey path, and including an arcuated pair of electrodes through which the plate material passes and to which a predetermined voltage is applied, a developing solution concentration sensor having detachable special cells and using a light-emitting diode, and a squeezing roller pair for squeezing out an excess developing solution from the developed plate material, the developing solution being sprayed on a surface of the squeezing roller to prevent the surface thereof from being dried, a fixing unit for drying the developed plate material with hot air, and fixing the developed plate-making image.
REFERENCES:
patent: 3876445 (1975-04-01), Goffe
patent: 3935327 (1976-01-01), Taylor
Ninomiya Yuki
Ono Yasukazu
Takahashi Susumu
Evans Arthur G.
Toppan Printing Co. Ltd.
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