Printing couple of a rotary printing press and a method for washing a dampening unit of a printing couple
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United States of America Patent
Stats
-
Dec 11, 2012
Grant Date -
Apr 29, 2010
app pub date -
Oct 26, 2007
filing date -
Feb 7, 2007
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A printing unit of a rotary printing press includes a forme cylinder. An inking unit interacts with the forme cylinder and has a plurality of inking rolls. A dampening unit also interacts with the forme cylinder and has a plurality of dampening rolls. A washing device interacts with at least one of the inking rolls and dampening rolls for washing the inking unit and/or the dampening unit. The inking unit includes a plurality of ink applicator rolls which can be placed directly onto the forme cylinder during printing operation. The dampening unit has at least one dampening rotation applicator roll that can also be placed directly onto the forme cylinder during printing operations. In a washing position, one of the plurality of ink application rolls and the dampening rotation applicator roll are brought directly into contact with each other.
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