Short inking unit

Details Short inking unit Short inking unit

1990-10-31

1991-10-22

Fisher, J. Reed

Printing

Inkers

Roller

101366, B41F 3104, B41F 3106

Patent

active

050585029

ABSTRACT:
In the case of a short inking unit with at least one transfer roll in the form of a pitted roll a compact design is made possible together with a reliable and accurate inking effect by the feature that there are at least two doctor blades mutually offset from each other in the peripheral direction of the pitted roll. Both the doctor blades have a negative angle of engagement with the periphery of the roll and delimit an ink chamber in the circumferential direction while the ends of this chamber are shut off by cheekpieces. At the walls of the ink chamber there is at least one supply port to be connected in a pressure-tight manner with an ink supply and at least one overflow port.

REFERENCES:
patent: 2151969 (1939-03-01), Henderson
patent: 2177656 (1939-10-01), Kaddeland
patent: 3339485 (1967-09-01), Rytterholm
patent: 3759175 (1973-09-01), Alsop
patent: 3899999 (1975-08-01), Christ et al.
patent: 3987724 (1976-10-01), Zimmer
patent: 4009657 (1977-03-01), Bonanno et al.
patent: 4414900 (1983-11-01), Kraus et al.
patent: 4455938 (1984-06-01), Loudon
patent: 4590855 (1986-05-01), Schommer et al.
patent: 4625643 (1986-12-01), Davis
patent: 4688516 (1987-08-01), Sommer

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