Device for drying the surface of a blanket cylinder of ink washi

Details Device for drying the surface of a blanket cylinder of ink washi Device for drying the surface of a blanket cylinder of ink washi

1975-04-21

1976-11-02

Burr, Edgar S.

Printing

Cleaning attachments

101169, 101365, B41L 4100, B41F 3500, B41F 908

Patent

active

039889882

ABSTRACT:
A device for removing the solvent wash liquid that is applied to a lithographic blanket for the purpose of removing the residual ink image constructed of a pair of flat plates, separated from one another by a narrow height in the range of 0.005 inches to 0.06 inches, and which provides a capillary channel between the two plates for collecting liquid. The front edge of the lower plate is formed into a wiping edge which makes contact with the full width of the blanket and acts as a wiper blade for accumulating liquid at the entryway of the channel. Any liquid presented to the capillary channel immediately fills the channel and excess liquid flows out the back end of the channel by force of gravity into a collecting vessel. Optionally, a negative pressure pulse of short duration may be applied to the channel in order to assist in the rapid removal of any accumulated liquid within.

REFERENCES:
patent: 2899754 (1959-08-01), Adams et al.
patent: 2936073 (1960-05-01), Thompson
patent: 3120802 (1964-02-01), Smejda
patent: 3640302 (1972-02-01), Willinger
patent: 3656431 (1972-04-01), Giori
patent: 3683445 (1972-08-01), Hagadorn
patent: 3750691 (1973-08-01), Lidolph
patent: 3778861 (1973-12-01), Goodnow
patent: 3783781 (1974-01-01), Grommek
patent: 3822642 (1974-07-01), Grindeland
patent: 3829927 (1974-08-01), Boyland
patent: 3835779 (1974-09-01), Ross et al.
patent: 3896730 (1975-07-01), Garrett

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