Valve and nozzle system for ink jet printing apparatus

Details Valve and nozzle system for ink jet printing apparatus Valve and nozzle system for ink jet printing apparatus

B - Operations, Transporting

41

J

101/96.0221

B41J 2/135 (2006.01) B41J 2/04 (2006.01)

Patent

CA 1315596

VALVE AND NOZZLE SYSTEM FOR INK JET PRINTING APPARATUS Abstract of the Invention: A valve and nozzle system for drop on demand ink jet printing apparatus wherein a single valve communicates with a plurality of orifices for controlling the flow of ink simultaneously through the orifices. The valve has a chamber with an inlet port and a plurality of outlet ports communicating with the chamber. The outlet ports have seats that are in a common plane and a piston has a face that, when the valve is closed, simultaneously seats against all the outlet port seats to close the valve. When a solenoid is energized to withdraw the piston and open the valve, the valve face separates simultaneously from the outlet port seats. Thus the outlet ports are opened and closed simultaneously.

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