Method and apparatus for redundant sealing of a printhead pressu

Details Method and apparatus for redundant sealing of a printhead pressu Method and apparatus for redundant sealing of a printhead pressu

1996-08-22

1998-02-17

Fuller, Benjamin R.

Incremental printing of symbolic information

Ink jet

Fluid or fluid source handling means

137907, B41J 2175, E03B 1106

Patent

active

057196095

ABSTRACT:
A fail-safe, stop valve for an ink-jet print head in a pressurized ink delivery system. The stop valve is actuated by a back pressure regulator if the operating pressure of the print head approaches atmospheric pressure during operation.

REFERENCES:
patent: 4339761 (1982-07-01), Matsumoto et al.
patent: 5367328 (1994-11-01), Erickson

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