Device for cleaning the work surfaces of a work machine, more pa

Details Device for cleaning the work surfaces of a work machine, more pa Device for cleaning the work surfaces of a work machine, more pa

1989-03-23

1991-01-01

Burr, Edgar S.

Printing

Antismut device

Anti-offset material application

101425, B41F 3506, B41L 4106

Patent

active

049810782

ABSTRACT:
A device for cleaning the working surfaces of a plurality of cylinders in a printing press is provided wherein a plurality of pressing elements are disposed each for selective engagement with the working surface of at least one of the cylinders and a web of cleaning cloth is disposed to move successively over the pressing elements and is selectively urged by the pressing elements into relative rubbing contact with the working surfaces of at least two of the cylinders. A drive for stepwise advancing and arresting the movement of the cleaning cloth with respect to the pressing elements and the working surfaces of the cylinders includes a clean cloth spindle disposed transverse to the stepwise movement for supplying said web of cleaning cloth and a stepwise drivable dirty cloth spindle disposed parallel to the clean cloth spindle and adapted to receive the used cleaning cloth. Preferably spraying nozzles are provided for applying cleaning agents to the back side of the web of cleaning cloth, as well as control means for controlling the selective engagement of the pressing elements and the stepwise advancement of the cleaning cloth. The control means is arranged to selectively control the engagement of the pressing elements either individually or collectively, as desired and the clean web may be presented to the successive cylinders in either wet or dry condition. Optionally, a pressing element may also be employed to urge the cleaning cloth into engagement with the impression cylinder of the printing press.

REFERENCES:
patent: 2492181 (1949-12-01), Richter
patent: 2525982 (1950-10-01), Wescott
patent: 2895414 (1959-07-01), Buttner
patent: 3463082 (1969-08-01), Kaufer
patent: 3615397 (1971-10-01), Dimond et al.
patent: 4016812 (1977-04-01), Lauk et al.
patent: 4058059 (1977-11-01), Moestue
patent: 4651644 (1987-03-01), Kaempfe et al.
patent: 4765242 (1988-08-01), Oya et al.

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