Ink roller assembly with capillary ink supply

Details Ink roller assembly with capillary ink supply Ink roller assembly with capillary ink supply

1981-11-18

1983-11-22

Burr, Edgar S.

Printing

Inkers

Roller

29123, 29125, 291295, 29130, 29282, 101367, 118259, 118DIG15, 4002024, 400470, 4006613, 427428, B41F 3114, B41L 2716

Patent

active

044162014

ABSTRACT:
A rigid plastic tube supports an ink applying sleeve of resilient micro-porous ink retaining material, and a pair of end journal and closure members are pressed into opposite ends of the tube. An ink retaining unit confined within the support tube between the end closure members and includes axially spaced thin plastic discs which define therebetween ink retaining capillary chambers for receiving a supply of ink. A series of axially spaced holes are formed in the support tube and control the outward radial flow of ink from the capillary chambers into the micro-porous sleeve. In one form, the thin plastic discs are separately formed or molded and include axially projecting hub portions which interfit and provide for pressing a stack of the discs together to form the ink retaining unit.

REFERENCES:
patent: 2663257 (1951-12-01), Dudis
patent: 3066603 (1964-12-01), Talarico
patent: 3134327 (1964-05-01), Sebanc
patent: 3738269 (1973-06-01), Wagner
patent: 3814054 (1974-06-01), Tajihi
patent: 4270454 (1981-06-01), Grill et al.
patent: 4311509 (1982-01-01), Reader et al.

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