Process and apparatus for producing printed matter

Details Process and apparatus for producing printed matter Process and apparatus for producing printed matter

1971-05-19

1977-06-07

Coughenour, Clyde I.

Gas separation: apparatus

Electric field separation apparatus

Electrode cleaner, apparatus part flusher, discharger, or...

40158B, 96 33, 101DIG12, 355 75, 355 82, 355127, 355132, G09F 110, G03C 504

Patent

active

040281078

ABSTRACT:
Process and apparatus for printing a plurality of imposed pages in which proofs of said pages are manufactured, the proofs then being confined in co-planar, predetermined relation by engaging the sheets solely along selected edges thereof, and while holding the sheets thus confined manufacturing a printing plate or other reproductions therefrom. In one embodiment the proofs are on opaque or light impermeable sheets, while in a second embodiment they are on light permeable sheets. In the case of the opaque proofs used to make a printing plate, the plate is produced from a photo negative of the proof, whereas if the proofs are on light permeable material a plate may be produced directly by passing light through said proofs onto the sensitized surface of the plate material.

REFERENCES:
patent: 1679942 (1928-08-01), Newton
patent: 2556144 (1951-06-01), Newman
patent: 2659282 (1953-11-01), Freund
patent: 2902770 (1959-09-01), Mulcahy
patent: 3000737 (1961-09-01), Barnhart

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