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US 5,706,725 AGranted
Flexographic printing press with variable printing length
AssigneeFischer & Krecke GmbH & Co.
InventorsWilfried Kolbe, Manfred Terstegen, Bodo Steinmeier, Klaus Schirrich
Life of this patent
Estimating the term…
Abstract
A flexographic printing press with one or several color printing units (12), which are disposed at the periphery of a common back pressure cylinder (10) and, in each case, have an impression cylinder (14; 14') and an applicator roll (16) and the impression cylinder of which can be driven independently of the back pressure cylinder, characterized in that each applicator roll (16) can be driven over a gear assembly (32, 40; 32') with a fixed transmission ratio by a central wheel (24) fixed on the shaft (22) of the back pressure cylinder (10).
Claims8
A flexographic comprising:
- a common back pressure cylinder having a shaft,
- at least one color printing unit, each of which is disposed at a periphery of the common back pressure cylinder and each of which includes:
- an impression cylinder and
- an applicator roll,
- the impression cylinder being driven independently of the back pressure cylinder,
- a central wheel fixed on the shaft of the back pressure cylinder, and
- a gear assembly interposed between the central wheel and each applicator roll such that each applicator roll is driven via the gear assembly with a fixed transmission ratio by the central wheel fixed on the shaft of the back pressure cylinder.
4 more elements
Dependencies are inferred from the claim text.