Ink circulation apparatus and inkjet printer including the same

Details Ink circulation apparatus and inkjet printer including the same Ink circulation apparatus and inkjet printer including the same

2011-01-18

2011-01-18

Do, An H (Department: 2853)

Incremental printing of symbolic information

Ink jet

Fluid or fluid source handling means

C347S093000

Reexamination Certificate

active

07871160

ABSTRACT:
An inkjet printer includes an ink tank to store ink, an auxiliary tank having an ink chamber through which the ink circulates with the ink tank, a head having nozzles which communicate with the ink chamber and eject ink therethrough, a filter which is positioned inside the auxiliary tank and divides the ink chamber into a first ink chamber which communicates with the ink tank and a second ink chamber which communicates with the nozzles, a circulation pipe which connects the ink tank with the first ink chamber and forms a circulation flow route, and a pump which is positioned on the circulation flow route to apply a negative pressure to the auxiliary tank.

REFERENCES:
patent: 5296875 (1994-03-01), Suda
patent: 7040745 (2006-05-01), Kent
patent: 2004/0085416 (2004-05-01), Kent
patent: 1403059 (2004-03-01), None
patent: 10-129008 (1998-05-01), None
patent: 2004-351641 (2004-12-01), None
patent: 2005-144954 (2005-06-01), None
European Search Report dated Oct. 5, 2007 issued in EP 07108673.0.

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