Droplet ejecting apparatus

Details Droplet ejecting apparatus Droplet ejecting apparatus

2008-01-01

2008-01-01

Hsieh, Shih-Wen (Department: 2861)

Incremental printing of symbolic information

Ink jet

Ejector mechanism

C347S042000

Reexamination Certificate

active

07314270

ABSTRACT:
A droplet ejecting apparatus for discharging liquid from nozzles of pressure chambers by supplying liquid from a liquid tank to said pressure chambers and then contracting said pressure chambers by means of piezoelectric elements, comprising:pressure chamber plates forming said pressure chambers, and to which vibration plates forming walls of said pressure chambers are formed integrally; anda common liquid chamber formed in the liquid tank and connected to respective liquid supply ports of the respective pressure chambers through respective flow passages connected to said respective liquid supply ports;wherein the liquid tank and the pressure chamber plates are mutually superimposed in a layered structure, in positions where the flow passages coincide with the liquid supply ports of the pressure chambers.

REFERENCES:
patent: 6382780 (2002-05-01), Watanabe et al.
patent: 6869171 (2005-03-01), Nishikawa et al.
patent: 07156396 (1995-06-01), None
patent: 09239978 (1997-09-01), None
patent: 2001-179973 (2001-07-01), None
patent: 2001353871 (2001-12-01), None

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