Incremental printing of symbolic information – Ink jet – Ejector mechanism
Patent
1995-11-22
1998-04-14
Hecker, Stuart N.
Incremental printing of symbolic information
Ink jet
Ejector mechanism
347 71, B41J 2045
Patent
active
057398321
ABSTRACT:
A droplet generator includes a housing (1) wherein there are attached at their one end a multitude of piezo-electric flectional-benders (19), arranged next to each other. A second end (16) of each of the benders (19) is located above a separate jet (7) which leads from a chamber (5) to the exterior. Between the individual benders (19) there are installed separation walls (26). Any cross communication as a result of viscous coupling between benders or due to pressure fluctuations is avoided and the efficiency is improved, so that a better graphic image is attained. The benders have an electrically insulating coating, so that the droplet generator is also suitable for electrically conducting inks.
REFERENCES:
patent: 4564851 (1986-01-01), Nilsson et al.
patent: 5373314 (1994-12-01), Everett et al.
patent: 5477253 (1995-12-01), Hotomi et al.
Heinzl Joachim
Schullerus Wolfgang
Hecker Stuart N.
Pelikan Produktions AG
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