Method of producing a gravure printing surface utilizing a conti

Details Method of producing a gravure printing surface utilizing a conti Method of producing a gravure printing surface utilizing a conti

1976-02-13

1977-03-15

Kimlin, Edward C.

Gas separation: apparatus

Electric field separation apparatus

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

96 363, 96 37, 96 38, 96 41, 96 44, 96 45, 1011284, 156664, 156659, 20412965, G03C 500

Patent

active

040122573

ABSTRACT:
A method of producing gravure printing surfaces is disclosed. The method utilizes a separately produced screened negative made on orthochromatic film and a continuous tone negative. Both negatives are superimposed to produce a positive with variable size dots and variable tone densities which are then utilized to expose the carbon tissue resist used to etch the printing surface. Alternatively, the negatives are utilized to produce corresponding positives each of which is used to expose the carbon tissue.

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patent: 3325285 (1967-06-01), Harris et al.
patent: 3394652 (1968-07-01), Marsh
patent: 3589899 (1971-06-01), Hersh
patent: 3746540 (1973-07-01), Rarery
patent: 3804622 (1974-04-01), Bergin
patent: 3809555 (1974-05-01), Marley

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