Method of and apparatus for cleaning a cylinder

Details Method of and apparatus for cleaning a cylinder Method of and apparatus for cleaning a cylinder

1992-02-10

1992-09-29

Eickholt, Eugene H.

Printing

Processes

101425, 1525652, 355283, B41F 3500

Patent

active

051506530

ABSTRACT:
A method of cleaning a cylinder of a printing machine comprises the steps of pressing a cleaning cloth onto the outer peripheral surface of the cylinder while the cylinder is rotating; forwardly feeding the cleaning cloth so as to wipe off contaminant on the outer peripheral surface of the cylinder; and partially feeding backwardly the portion of the cleaning cloth which has been fed forwardly during the preceding cleaning operation, before the next cleaning operation is started, whereby the portion of the cleaning cloth is partially used again for the cleaning in the next cleaning operation. The apparatus comprises a continuous cleaning cloth stretched between a cleaning cloth supply device and a cleaning cloth take-up roll rotatably supported by side plates, a take-up mechanism for rotating the cleaning cloth take-up roll so as to take-up the cleaning cloth; pressing device for selectively pressing the cleaning cloth into contact with the outer peripheral surface of the cylinder; and backward feeding device for backwardly feeding part of the cleaning cloth taken-up by the cleaning cloth take-up roll during preceding cleaning operation towards the cleaning cloth supply device after completion of the preceding cleaning operation.

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