Ink-jet head

Details Ink-jet head Ink-jet head

2011-04-12

2011-04-12

Shah, Manish S (Department: 2853)

Incremental printing of symbolic information

Ink jet

Ejector mechanism

Reexamination Certificate

active

07922303

ABSTRACT:
An ink-jet head has a flow channel unit having a number of laminated plates, including a first, second, and third plate, which together form a common ink chamber, nozzles, and pressure chambers. The first plate has apertures which place the common ink chambers in fluid communication with the pressure chambers, and also has first recesses extending away from the second plate, and second recesses extending toward the third plate. The surface of the third plate has recesses extending away from the first plate. An opposite surface of the first plate has a number of openings which place the first and second recesses in fluid communication with the third recesses of the third plate. In another ink-jet head, a surface of the second plate has recesses extending away from the first plate, a portion of which are configured to be in fluid communication with recesses on the first plate.

REFERENCES:
patent: 6361155 (2002-03-01), Kanda et al.
patent: 6536879 (2003-03-01), Ito et al.
patent: 2005/0040581 (2005-02-01), Ito
patent: 2006/0132551 (2006-06-01), Chikamoto
patent: 2001-063052 (2001-03-01), None
patent: 2002096477 (2002-04-01), None
patent: 2003-104583 (2003-04-01), None
patent: 2005-040990 (2005-02-01), None
patent: 2006-175683 (2006-07-01), None
Japanese Patent Office, Notice of Reasons for Rejection for Japanese Patent Application No. 2006-268471 (counterpart to above-captioned patent application), mailed Aug. 19, 2008.

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