Incremental printing of symbolic information – Ink jet – Ejector mechanism
Patent
1993-07-16
1996-07-09
Fuller, Benjamin R.
Incremental printing of symbolic information
Ink jet
Ejector mechanism
B41T 2045
Patent
active
055349030
ABSTRACT:
An ink jet head includes a nozzle plate having a nozzle through the nozzle plate in its thickness direction, a base plate laminated with the nozzle plate and having an ink supplying hole through the base plate in its thickness direction, a pressure chamber connected to the nozzle and the ink supplying hole in the substantially perpendicular manner and provided with a pressure means on the bonded surface of the nozzle plate and the base plate. The nozzle and the ink supplying hole are made narrower than the pressure chamber and the connecting channel. The plural nozzles, pressure chambers, connecting channels, and ink supplying holes are provided. A common ink chamber connecting to a plurality of the ink supplying holes are provided on the opposite surface to the nozzle plate laminated with the base plate in the perpendicular manner to the nozzle plate. A projection is formed in the nozzle plate and the nozzle is provided through the projection. The ink head enables to prevent bonding materials from flowing into the thin portions during bonding process, to eliminate variations in efficiency of ink ejection at the respective nozzles, and to improve the printing finish in quality.
REFERENCES:
patent: 5157420 (1992-10-01), Naka et al.
Hayakawa Tsuyoshi
Kogo Takashi
Kojima Hiroyuki
Oda Hajime
Sato Shoichi
Bobb Alrick
Fuller Benjamin R.
Seikosha Co. Ltd.
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