Printing – Planographic – Lithographic plate making – and processes of making or using...
Patent
1996-10-31
1997-12-23
Burr, Edgar S.
Printing
Planographic
Lithographic plate making, and processes of making or using...
101423, 1525652, B41M 500, B41F 3500
Patent
active
056997396
ABSTRACT:
The nonpolymerized portion of the resin on a photopolymerizable resin is recovered from a printing plate by squeezing the liquid resin off of the plate with the doctor roller. The plate is mounted on a drum and the drum is caused to rotate in a predetermined direction while the doctor roller is pushed against the surface of the plate. The liquid resin falls from the plate into a collection tray. The collection tray is divided into opposite adjacent resin repository sections, with a separate doctor roller being disposed above each repository section of the collection tray. Incompatible resins can be squeezed into the respective repository sections of the collection tray by the respective rollers by selectively rotating the drum in one direction or the other, and by selectively engaging the plate with one of the rollers while keeping the other roller away from the plate.
REFERENCES:
patent: 4478931 (1984-10-01), Fickes et al.
patent: 4765242 (1988-08-01), Oya et al.
patent: 5328511 (1994-07-01), Beisswanger
Burr Edgar S.
Ghatt Dave A.
MacDermid Imaging Technology
Simons William A.
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