Cleaning apparatus for offset plates

Details Cleaning apparatus for offset plates Cleaning apparatus for offset plates

1995-05-04

1996-10-29

Burr, Edgar S.

Printing

Cleaning attachments

101423, B41F 3500, B41L 4100

Patent

active

055687687

ABSTRACT:
Cleaning apparatus for cleaning a lithographic plate mounted to a rotary plate cylinder comprises an endless belt having a segment extending close to and substantially parallel to the cylinder. Plate cleaning pads are mounted to the belt all along the belt and a motor advances the belt along the cylinder. When cleaning, a bladder is caused to inflate thereby pressing the belt segment and cleaning pads thereon against the plate mounted to the plate cylinder while the cylinder rotates.

REFERENCES:
patent: 2844123 (1958-07-01), Hayford
patent: 3735702 (1973-05-01), Kossak
patent: 3781107 (1973-12-01), Ruhland
patent: 4953252 (1990-09-01), Akisawa
patent: 5086701 (1992-02-01), Gasparrini et al.
patent: 5123354 (1992-06-01), Loos

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