Ink supply apparatus

Details Ink supply apparatus Ink supply apparatus

1994-11-14

1997-08-19

Barlow, Jr., John E.

Incremental printing of symbolic information

Ink jet

Fluid or fluid source handling means

13762541, 347 25, 347 28, B41J 217

Patent

active

056593473

ABSTRACT:
A valve for selecting an ink from a plurality of different types of inks having no dead spaces to prevent ink of one type from contaminating ink of a second type. The valve includes a selecting member with a channel and a housing having first, second and third passages. The housing defines with the valve a cleaning chamber in communicating relation with the channel and the first, second, and third passages. The cleaning chamber receives a solvent between changing from one ink to another ink which cleans the selecting member and chamber thereby preventing mixing of inks of different types.

REFERENCES:
patent: 3586049 (1971-06-01), Adamson
patent: 4043359 (1977-08-01), Christo
patent: 4908638 (1990-03-01), Albasta et al.
patent: 4987429 (1991-01-01), Finley et al.
patent: 5126752 (1992-06-01), Weinberg

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