Pressure regulating mechanism and liquid ejecting apparatus

Incremental printing of symbolic information – Ink jet – Controller

Reexamination Certificate

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Details

C347S092000

Reexamination Certificate

active

07950764

ABSTRACT:
A pressure regulating mechanism which includes a pressure regulating chamber that introduces a liquid from a liquid supply source through an inlet port, stores the liquid, and discharges the stored liquid to an object through an outlet port, an on/off valve, a pressure receiving member that is provided to seal an opening surface of the pressure regulating chamber, a reduced-pressure space portion adjacent to the regulating chamber with a pressure that may be reduced to be less than the pressure of the pressure regulating chamber, and a partition wall disposed between the pressure regulating chamber and reduced-pressure space portion, wherein gas is capable of passing through the partition wall using the a difference in pressure between the reduced-pressure space and pressure regulating chamber and discharged to the reduced-pressure space portion.

REFERENCES:
patent: 2005/0134661 (2005-06-01), Miyazawa
patent: 2005-186344 (2005-07-01), None
patent: 2006-075683 (2006-03-01), None
patent: 2006-327097 (2006-12-01), None
patent: 2007-007043 (2007-01-01), None
patent: 2007-031627 (2007-02-01), None

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