Gas actuated ink line valve

Details Gas actuated ink line valve Gas actuated ink line valve

2006-04-11

2006-04-11

Meier, Stephen (Department: 2853)

Incremental printing of symbolic information

Ink jet

Fluid or fluid source handling means

Reexamination Certificate

active

07025445

ABSTRACT:
Apparatus and methods are disclosed for preventing depriming of inkjet printheads in a printing system having a pressurized ink delivery system when the pressurizing gas is turned off. Normally-closed gas-actuated valves are disposed in the ink lines from the ink containers to the printheads; the valves are kept in an open state during printing by the same pressurizing gas that is utilized to pressurize the ink delivery system.

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patent: 6130695 (2000-10-01), Childers et al.
patent: 6234616 (2001-05-01), Komuro et al.
patent: 6585358 (2003-07-01), Usui et al.
patent: 10 138 506 (1998-05-01), None

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