Patterned gravure and doctoring means therefor

Details Patterned gravure and doctoring means therefor Patterned gravure and doctoring means therefor

1975-05-16

1976-09-07

Feldbaum, Ronald

Coating apparatus

With means to apply electrical and/or radiant energy to work...

With electromagnetic and/or electrostatic removal of...

118257, 118262, B05B 502

Patent

active

039788172

ABSTRACT:
An apparatus for reproducing a selected image by electrostatically attracting development fluid toward a receiving medium is disclosed. The apparatus includes a patterned gravure roll having a plurality of pockets movable into facing relationship with the receiving medium, the pockets being adapted to carry discrete quantities of development fluid characterized by a meniscus. The gravure roll further includes means defined by each of the pockets, defining a constant point of maximum meniscus reach, and lands for spacing each of the constant points a predetermined distance from the receiving medium when corresponding pockets are moved into facing relationship with the receiving medium.

REFERENCES:
patent: 3276896 (1966-10-01), Fisher
patent: 3424126 (1969-01-01), Mahoney
patent: 3472695 (1969-10-01), Kaufer et al.
patent: 3667428 (1972-06-01), Smith
patent: 3712728 (1973-01-01), Whittaker
patent: 3762365 (1973-10-01), Herzog
patent: 3830199 (1974-08-01), Saito et al.

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