Impression cylinder arrangement of an intaglio machine for a web-fed printing
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United States of America Patent
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-
Mar 3, 1992
Grant Date -
N/A
app pub date -
Mar 28, 1991
filing date -
Apr 6, 1990
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
The arrangement has a device for cooling the impression cylinder (2) with a plurality of continuous metal belts (6) which run over two drums (4, 5) which partially wrap the impression cylinder (2) and are carried along by the latter during its rotation. These metal belts discharge the heat arising at the surface of the impression cylinder during the printing operation and are themselves cooled by the fact that one of the two drums (4) is constructed as a hollow cooling drum through which a cooling means flows. The drums (4, 5) are mounted in an adjustable frame (7) and, when the printing machine is switched off, can be removed from the impression cylinder (2) to the extent that the latter is not contacted by the metal belts (6).
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