Color separation orientation gauge and method

Details Color separation orientation gauge and method Color separation orientation gauge and method

1979-02-22

1981-11-10

Pieprz, William

Printing

Intaglio

101181, 331845, 355 4, 430301, 434 98, 250237G, 356395, B41F 3300, B41F 2908

Patent

active

042991650

ABSTRACT:
The invention is for color separation orientation gauges and methods by which they are used to produce a finished print in more than one color, the colors used being the primary colors and black. In the printing trade, the primary colors are at times referred to as magenta, yellow, and cyan. The color magenta is basically red, cyan is basically blue and, of course, yellow is basically yellow.
The gauges utilized are provided with a predetermined number of dots disposed at various angles depending, for example, on the color to be eventually printed, which gauges are superimposed on a half-tone mask of which there are also a predetermined number of dots which are practically invisible to the naked eye. The gauges of the two embodiments of the invention are provided with special reference line dot densities and angles and legends to provide the color stripper with easy to use compact gauges for producing multi-color prints.

REFERENCES:
patent: 2165169 (1939-07-01), Wurzburg, Jr.
patent: 2244992 (1941-06-01), Gherrero
patent: 2703281 (1955-03-01), Consaul et al.
patent: 2798428 (1957-07-01), Tollenaar
patent: 2961970 (1960-11-01), Imshang
patent: 3314167 (1967-04-01), Allgood
patent: 3381612 (1968-05-01), Lecha
patent: 3403449 (1968-10-01), Eberlen
patent: 3939769 (1976-02-01), Lorber
patent: 4012137 (1977-03-01), Goren

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