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US 6,752,077 B2Granted
Printing press with a doctor blade device
AssigneeFischer & Krecke GmbH & Co.
InventorsWilfried Kolbe, Klaus Schirrich, Andreas Kückelmann
Life of this patent
Estimating the term…
Abstract
A printing press with a doctor blade device (24), which has a doctor blade (26), which can be placed against a cylinder (10), wherein the doctor blade (26) is caused to oscillate with a frequency of at least 1 Hz by an oscillator (38).
Claims11
A doctor blade for a printing press, comprising:
- a doctor blade adapted to be placed against a cylinder of the printing press, and
- an oscillator for causing the doctor blade to oscillate in a direction of a longitudinal axis of the doctor blade with a frequency of at least 1 Hz, with travel of the doctor blade being less than 1 mm.
A doctor blade device for a printing press, comprising:
- a doctor blade adapted to be placed against a cylinder of the printing press, and
- an oscillator for causing the doctor blade to oscillate in a direction perpendicular to a plane of the doctor blade with a frequency of at least 1 Hz, and with travel of the doctor blade being less than 1 mm.
A doctor blade device for a printing press, comprising:
- a doctor blade adapted to be placed against a cylinder of the printing press, and
- an oscillator for causing the doctor blade to oscillate with a frequency of at least 1 Hz, with travel of the doctor blade being less than 0.2 mm.
Dependencies are inferred from the claim text.