Printing – Intaglio – Processes
Patent
1986-01-21
1988-10-04
Fisher, J. Reed
Printing
Intaglio
Processes
101152, 101425, B41F 900, B41F 918, B41F 3502
Patent
active
047748842
ABSTRACT:
A gravure printing system comprises at least one printing unit for printing a material fed from a supply side, a washing system for supplying a washing solvent to the printing unit and duct assemblies operatively connecting the printing unit and the washing system. The printing unit comprises unit frames located on both the sides of the printing unit, a plate cylinder supported by support shafts rotatably supported by the unit frames, an ink pan disposed movably to an upper operating position and a lower waiting position, a device for closing an upper opening of the ink pan in the operating position and the plate cylinder above the ink pan, a device operatively connected to the washing system for ejecting washing solvent to the plate cylinder, the plate cylinder support shafts, and the ink pan, a plate cylinder exchanging mechanism for conveying the plate cylinder out of the printing unit to exchange a used plate cylinder with a new plate cylinder. The washings of the plate cylinder and the support shafts therefor and the ink pan are performed by the independent washing solvent ejecting devices at different times suitable for the printing operation in association with the ink pan closing operation. The washing solvent, preferably a non-inflammable washing solvent, used for the washing operation is recovered and reproduced by the reproduction system operatively connected to the washing system for reproducing the used solvent as new washing solvent.
REFERENCES:
patent: 2226311 (1940-12-01), Klingler
patent: 2637270 (1953-05-01), Bamford
patent: 2650537 (1953-09-01), Rosse
patent: 3658003 (1972-04-01), Johnson
Fujino Shinya
Sugimoto Toshiki
Dai Nippon Insatsu Kabushiki Kaisha
Fisher J. Reed
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