Ink fountain for printing machine

Details Ink fountain for printing machine Ink fountain for printing machine

1976-03-29

1977-09-27

Fisher, J. Reed

Printing

Inkers

Fountains

B41F 3104

Patent

active

040503801

ABSTRACT:
Ink fountain for printing machines includes an elongated ink knife forming the base of the fountain, a fountain roller forming a side of the fountain, and means for zonewise adjusting the thickness of a film of ink on the fountain roller, the ink knife having a wiper edge adjacent the fountain roller for wiping ink therefrom, and being bent along the length thereof in direction toward the fountain roller at a location in vicinity of the wiper edge, the bent portion of the ink knife adjacent the wiper edge having an end face opposite to the fountain roller and adjustable in the spacing thereof relative to the fountain roller, the space defined by the bent ink knife and the fountain roller having a defining streamlined surface facilitating a return flow of the ink wiped from the fountain roller.

REFERENCES:
patent: 220547 (1879-10-01), Prouty
patent: 225964 (1880-03-01), Bennett
patent: 1801935 (1931-04-01), Pfister
patent: 1825999 (1931-10-01), Fankboner
patent: 2837024 (1958-06-01), Dougan
patent: 3134325 (1964-05-01), Worthington et al.
patent: 3176611 (1965-04-01), Tripp
patent: 3294060 (1966-12-01), McIntyre et al.
patent: 3456585 (1969-07-01), Brodie
patent: 3800702 (1974-04-01), Roberts
patent: 3815499 (1974-06-01), Abler

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