Jet nozzle for an ink jet printer

Details Jet nozzle for an ink jet printer Jet nozzle for an ink jet printer

1981-12-09

1983-11-01

Griffin, Donald A.

Recorders

Markers and/or driving means therefor

With ink supply to marker

G01D 1518

Patent

active

044132689

ABSTRACT:
In jet nozle printers in which the ink droplets are ejected individually from one or more jet nozzles for a matrix print, an orifice to produce a uniform, axially proceeding ejection of ink droplets in the nozzle direction. The jet nozzles are shaped such that the orifice is provided with a sharp edge, both in its interior region and also closely around this region, the jet nozzle brim thus formed radially around the orifice having a uniform width of not more than 20 .mu.m. The cross-section of the wall surrounding the jet nozzle orifice forms an acute-angled triangle, the apex forming the jet nozzle brim.

REFERENCES:
patent: 3466659 (1969-09-01), Ascoli
patent: 3774231 (1973-11-01), Tullos
patent: 3887928 (1975-06-01), Ohno et al.
patent: 3958249 (1976-05-01), DeMaine et al.
patent: 4349830 (1982-09-01), Rudd

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