Method for producing lithographic printing plate and production apparatus therefor
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United States of America Patent
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Apr 23, 2013
Grant Date -
Sep 8, 2011
app pub date -
Mar 2, 2011
filing date -
Mar 3, 2010
priority date (Note) -
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Abstract
An apparatus for producing a printing plate by applying a first coating liquid onto a belt-like support, and drying the first coating liquid to form an image recording layer; and applying a second coating liquid for an overcoat layer onto the image recording layer, and drying the second coating liquid, comprises: a coating liquid cooling device that cools the second coating liquid so that a temperature T1 of the second coating liquid may fall within a predetermined range; a support cooling device that cools the belt-like support so that the temperature of the second coating liquid may fall within the predetermined range; and an initial drying device that initially dries the overcoat layer by air having a low temperature and a dew point of not more than 5° C. parallel to a surface of the overcoat layer at an air velocity of 8 to 15 m/sec.
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