Apparatus for cleaning a printing cylinder

Details Apparatus for cleaning a printing cylinder Apparatus for cleaning a printing cylinder

1988-04-22

1989-09-19

Burr, Edgar S.

Printing

Cleaning attachments

101226, B41F 3500, B41L 4100

Patent

active

048670642

ABSTRACT:
A printing cylinder cleaning apparatus for cleaning, for example, a blanket surface on a blanket cylinder of an offset press has a continuous cylinder cleaning cloth stretched between a cleaning cloth supply roll and a cleaning cloth take-up roll which are rotatably mounted on side plates of the frame of a printing machine, whereby the cylinder cleaning cloth being capable of running relative to the outer peripheral surface of a cylinder of the printing machine in contact therewith. The cylinder cleaning cloth is pressed by a suitable pressing member onto the outer peripheral surface of the cylinder of the printing machine. The apparatus further has a cutter which is disposed to cross a common line which is tangent to outer peripheral surfaces of the cleaning cloth supply roll and the cylinder respectively. In case of breakage or tearing of the cloth, the portion caught and stretched by the cylinder is cut by the cutter.

REFERENCES:
patent: 2525982 (1950-10-01), Wescott
patent: 2685626 (1954-08-01), Zwack
patent: 3404627 (1968-10-01), Halley
patent: 3539084 (1970-11-01), Bradshaw
patent: 4344361 (1982-08-01), MacPhee et al.
patent: 4651644 (1987-03-01), Kaempfe et al.
patent: 4781116 (1988-11-01), Harada

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