Back to results
US 6,332,397 B1Granted
Print unit
AssigneeKoenig & Bauer Aktiengesellschaft
InventorsClaus August Bolza-Schünemann, Christian Martin Michael Fischer, Michael Heinz Fischer, Kurt Johannes Weschenfelder
Life of this patent
Estimating the term…
Abstract
A print unit of an offset printing machine utilizes individually driven cylinders. Each forme cylinder or plate cylinder is driven by its own, separate drive motor. The blanket cylinders, or cooperating blanket cylinders and counter-pressure cylinders are driven together by associated drive motors.
Claims11
A print unit of an offset printing press, said print unit comprising:
- a first forme cylinder;
- a first drive motor in said print unit for driving only said first forme cylinder;
- a second forme cylinder;
- a second drive motor in said print unit for driving only said second forme cylinder;
- a first transfer cylinder associated with said first forme cylinder;
- a second transfer cylinder associated with said second forme cylinder;
- and
- a third drive motor in said print unit, said third drive motor being coupled to said first and second transfer cylinders, said third drive motor in said print unit driving both of said first and second transfer cylinders located in said print unit.
5 more elements
A print unit for printing a print side of a web in an offset printing unit, said print unit comprising:
- a forme cylinder;
- a transfer cylinder engageable with said forme cylinder;
- a counter-pressure cylinder engageable with a non-print side of said web, said transfer cylinder printing said print side of said web passing between said transfer cylinder and said counter-pressure cylinder;
- a first drive motor in said print unit for driving said forme cylinder;
- and
- a second drive motor in said print unit for driving both said transfer cylinder and said counter-pressure cylinder.
3 more elements
Dependencies are inferred from the claim text.