Method of non-overlap halftone-dot printing of colored original on cylindrical container outer surface
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United States of America Patent
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Apr 30, 1991
Grant Date -
N/A
app pub date -
Feb 28, 1990
filing date -
Mar 13, 1989
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A method of non-overlap halftone-dot printing of a colored original on the outer surface of a cylindrical container is done by dry off-set printing. A colored original is color-separated into three primary colors, i.e., cyan, magenta and yellow, change-to-halftone is effected to give an effect of contact screening with the same angle for the individual separated primary colors, and one pixel of print is expressed by three colors at most, i.e., one of the three primary colors, one of three secondary colors, i.e., cyan-magenta, magenta-yellow and yellow-cyan blend colors, and black (tertiary color).
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