B - Operations – Transporting – 41 – J
Patent
B - Operations, Transporting
41
J
101/96.0221
B41J 2/155 (2006.01) B41J 2/06 (2006.01)
Patent
CA 1169473
ABSTRACT OF THE DISCLOSURE The device comprises an electrically insulating ink container containing one electrode and a counter- electrode disposed adjacent to the jet nozzle which is laser-bored through the container cover plate The two electrodes are excited by a voltage pulse such as to generate a spark between the ink meniscus and the counter-electrode, and to expel a plurality of ink particles, rather than a single blob. me ink can be kept in circulation between the container and a reservoir 51 by means of a pump The meniscus can be kept outside the nozzle by means of a second nozzle coaxial to the first, or by a suitable arrangement of the ink hydraulic circuit. In the case of magnetic ink, the meniscus is pulled back by a magnetic field. The ink can also be brought in front of the nozzle by capillarity. -1-
387863
Barbero Aquilino
Buat Mario
Olivetti (ing. C.) & C. S.p.a.
Ridout & Maybee Llp
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