Gravure printing method using aquatic gravure ink and gravure printing machine for the same
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United States of America Patent
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Jun 11, 2002
Grant Date -
N/A
app pub date -
Jul 26, 2000
filing date -
Jul 27, 1999
priority date (Note) -
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status (Latency Note)
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Abstract
A gravure printing method is provided for printing characters or patterns with desired colors and tones on a base material with a printing drum set with 200 to 400 mesh lines and the depth in the range from 10 to 17.mu.. The ink may be process color of aquatic gravure ink in which coloring materials for indigo blue, red, yellow, black, and white colors are printed once or repeatedly in the overlaid state or specially toned inks. Another aspect of the invention provides an ink pan structure and arrangement for a gravure printing machines using aquatic or oil gravure ink. The ink pan structure has an ink pool sized for only a furnisher roll to be dipped therein and a cooperating printing drum is always maintained outside the ink pool. A furnisher roller unit and arrangement for a gravure printing machine is also provided. The unit may include a plurality of furnisher rollers. A doctor knife unit and arrangement for a gravure printing machine is also provided. The unit may include a plurality of doctor knives.
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