Ink liquid supply system for an ink jet system printer

Details Ink liquid supply system for an ink jet system printer Ink liquid supply system for an ink jet system printer

1978-06-21

1980-02-05

Miller, Jr., George H.

Recorders

Markers and/or driving means therefor

With ink supply to marker

346 75, G01D 1516, G01D 1518

Patent

active

041875125

ABSTRACT:
An electromagnetic cross valve is provided for selectively connecting a nozzle with an ink liquid supply conduit and an ink liquid drain conduit. When the nozzle is connected with the ink liquid drain conduit, ink liquid is maintained at the atmospheric pressure and remains in the nozzle in such a manner that the ink liquid is filled to the tip end of the nozzle or the orifice of the nozzle. Fluid resistance means are disposed between the electromagnetic cross valve and the ink liquid drain conduit for preventing generation of negative pressure at the nozzle side when the nozzle is connected with the ink liquid drain conduit.

REFERENCES:
patent: 3761953 (1973-09-01), Helgeson et al.
patent: 4007684 (1977-02-01), Takano et al.
patent: 4024544 (1977-05-01), Vernon
patent: 4042937 (1977-08-01), Perry et al.
patent: 4106032 (1978-08-01), Miura et al.
patent: 4112433 (1978-09-01), Vernon

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