Printing unit having a throw-off configuration which allows the risks of damage to the cylinders caused by winding the web of paper to be limited and corresponding printing press
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United States of America Patent
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Dec 7, 2010
Issued Date -
N/A
app pub date -
Dec 22, 2006
filing date -
Dec 27, 2005
priority date (Note) -
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Abstract
A printing unit for printing a web of paper is provided. The printing unit includes a frame and at least a first and a second printing group, each printing group including a blanket cylinder and a plate cylinder. The printing unit also includes a cylinder support and movement mechanism, at least one throw-on configuration in which the blanket cylinders are pressed against each other and against the plate cylinders, and at least one throw-off configuration in which the blanket cylinders are spaced apart from each other. The support and movement mechanism includes at least one connection which connects the plate cylinder and the blanket cylinder of at least one printing group. The connection includes a region of lesser strength which is intended to break under a predetermined force.
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