Printing – Processes – With heating or cooling
Reexamination Certificate
2006-04-04
2006-04-04
Hirshfeld, Andrew H. (Department: 2854)
Printing
Processes
With heating or cooling
C101S142000, C101S216000
Reexamination Certificate
active
07021215
ABSTRACT:
A method for operating a printing group and to the use of a printing ink. The tack of an ink that is used in a printing group of a rotating printing press, or the temperature of a rotating component in the printing group is selected or controlled. The ink itself is temperature regulated in response to production speeds to maintain the ink tackiness in the desired range. A gradient that sets forth an interrelationship between ink tackiness, temperature and production speed can be used in a control device for use in temperature regulation.
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Pyliotis, D.; “Ursachen von Schwankungen der Druckqualitat im Offsetdruck bei konstanter Farbwerktemperatur”; FOGRA 1977; pp. 1-16; Munich, Germany.
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Reder Wolfgang Otto
Schneider Georg
Hamdan Wasseem H.
Hirshfeld Andrew H.
Jones Tullar & Cooper PC
Koenig & Bauer Aktiengesellschaft
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