Liquid droplet ejecting device

Details Liquid droplet ejecting device Liquid droplet ejecting device

2011-08-02

2011-08-02

Do, An H (Department: 2853)

Incremental printing of symbolic information

Ink jet

Fluid or fluid source handling means

Reexamination Certificate

active

07988269

ABSTRACT:
The present invention provides a liquid droplet ejecting device including a liquid droplet ejecting head; a liquid storage unit that stores a liquid; a first flow path and a second flow path that connect the liquid droplet ejecting head and the liquid storage unit, the second flow path connecting with the first flow path in the liquid droplet ejecting head; a bypass flow path connected with the first flow path and the second flow path; a liquid feed unit provided between the liquid storage unit and a connecting portion of the bypass flow path and the first flow path, and circulating the liquid in the liquid droplet ejecting head and the liquid storage unit, and a pressure control unit provided at the bypass flow path, and controlling pressure of the liquid flowing through the bypass flow path from the first flow path side to the second flow path side.

REFERENCES:
patent: 7648224 (2010-01-01), Sasa et al.
patent: 2006/0061638 (2006-03-01), Amarume et al.
patent: 2006-326881 (2006-12-01), None

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