PRINTING METHOD BY OFFSET PRINTING PRESS AND OFFSET PRINTING PRESS
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United States of America Patent
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Issued Date -
Oct 30, 2008
app pub date -
Nov 28, 2007
filing date -
Apr 27, 2007
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A printing method by an offset printing press and an offset printing press are disclosed which suppress occurrence of curl with printing paper while making it possible to improve the printing quality by performing a ground process with aqueous ground processing material for low whiteness printing paper such as newsprint paper. To a printing face of the printing paper, aqueous ground processing material is supplied. At the same time with or later than the supply of the ground processing material, moisture is supplied to a reverse face to the printing face of the printing paper. Thereafter, offset printing is performed for the printing paper.
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