Write head for ink printer devices

Details Write head for ink printer devices Write head for ink printer devices

1985-11-15

1987-05-12

Hartary, Joseph W.

Recorders

Markers and/or driving means therefor

With ink supply to marker

G01D 1518

Patent

active

046654097

ABSTRACT:
The invention relates to a write head for ink printer devices comprising tubular ink channels which are surrounded over a part of their length by individually drivable small piezo tubes and which are situated proceeding between an ink supply part and the discharge openings of the write head. The ink channels applied to a carrier part form a pre-fabricatable channel block together with this carrier part. A channel plate is secured either to that side at which the ink channels end free or to the back surface of the carrier part. In one embodiment, the channel plate comprises a layer plate having through holes into which the free ends of the ink channels equipped with the small piezo tubes are pluggable. Transition channels for guiding the ink flow and the discharge openings of the write head for fashioned in further layer plates of the channel plate.

REFERENCES:
patent: 4158847 (1979-06-01), Heinzl et al.
patent: 4418356 (1983-11-01), Reece
patent: 4485386 (1984-11-01), Dagna
patent: 4504845 (1985-03-01), Kattner et al.
Durbeck et al., Drop-On-Demand Nozzle Arrays with H.F. Response, vol. 21, No. 3, Aug. 1978, pp. 1210-11.

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