Enclosed ink cup with improved seal

Details Enclosed ink cup with improved seal Enclosed ink cup with improved seal

1994-10-25

1995-11-28

Burr, Edgar S.

Printing

Intaglio

Bed and platen

101109, 101170, 101 35, B41F 1700

Patent

active

054697867

ABSTRACT:
An enclosed ink cup for a pad-type printing machine including a hollow structure defining a reservoir region that is closed around the sides and top, is open only at the bottom, and has a lower edge for sealably contacting an engraved printing plate so as to contain ink within the structure over the plate, and a vacuum port in the structure that communicates with the top of the region for applying a vacuum to the region above the ink to promote sealable contact between the lower edge and the plate.

REFERENCES:
patent: 3742902 (1973-07-01), Heston, Jr.
patent: 4557195 (1985-12-01), Phlipp
patent: 4876982 (1989-10-01), Claasen
patent: 4905594 (1990-03-01), Phillip et al.
patent: 5095817 (1992-03-01), Takamura
patent: 5237922 (1993-08-01), Ho
patent: 5320037 (1994-06-01), Harris
patent: 5363761 (1994-11-01), Galassi

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