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US 6,209,454 B1Granted
Multicolor rotogravure rotary press with first and second side printing towers
AssigneesKoenig & Bauer Aktiengesellschaft, U.E. Sebald Druck und Verlag GmbH
InventorsDieter Christmann, Hans-Dieter Drumm, Rudolf Herb, Werner Georg Roman Straubinger
Life of this patent
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Abstract
In a rotary rotogravure printing press for accomplishing the multicolor printing of first and second sides of a material to be printed, first side printing units and second side printing units are arranged in an alternating form. Dryers are located between the alternating first and second material side printing units, which may be configured as tower printing units.
Claims2
A rotary rotogravure printing press for multicolor printing of first and second sides of a web comprising:
- at least two web first side printing units arranged one above the other in a web first side printing tower structure;
- at least two web second side printing units arranged one above the other in a web second side printing tower structure spaced from and in opposition to said web first side printing units in said web first side printing tower, said web first side printing units in said web first first side tower structure and said web second side printing units in said web second side printing tower structure being arranged mirror-reversed to each other and each printing a first side or a second side of a web of material to be printed in an alternating manner as the web of material travels a path between alternating ones of said web first side printing units and said web second side printing units;
- and
- a separate dryer arranged between each said web first side printing unit and each said opposed web second side printing unit in said path of web travel.
1 more element
Dependencies are inferred from the claim text.