Variable format offset printing machine having a central impression cylinder
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United States of America Patent
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Jul 28, 2015
Grant Date -
Oct 24, 2013
app pub date -
Oct 18, 2011
filing date -
Nov 5, 2010
priority date (Note) -
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Abstract
The printing machine has a central impression cylinder (1) on which a web printable substrate (B) is supported and a plurality of printing stations arranged around the central impression cylinder (1). Each printing station includes a blanket cylinder (2) of variable diameter, a plate cylinder (3) of variable diameter, and an offset inking unit (4). The blanket cylinder (2), plate cylinder (3) and offset inking unit (4) are individually movable between respective withdrawn positions and respective multiple working positions for different diameters of the blanket and plate cylinders (2, 3). At least one of the printing stations has the axis of the blanket cylinder (2) and the axis of the plate cylinder (3) in an inclined first plane (P1), which does not include the axis of the central impression cylinder (1) at any of the multiple working positions for different diameters of the blanket and plate cylinders (2, 3).
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