Jet nozzle for an ink jet printer

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

B - Operations, Transporting

41

J

101/96.02

B41J 2/14 (2006.01) B41J 2/135 (2006.01)

Patent

CA 1176503

PHD 80.186 10 ABSTRACT: In jet nozzle printers in which the ink drop- lets are ejected individually from one or more jet nozzles for a matrix print, an always uniform and in the jet nozzle direction axially proceeding ejection of ink droplets is the object aimed at. For that purpose the jet nozzles are of such a shape 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 having radi- ally around the orifice a uniform width of not more than 20µm. Efforts must be made to reduce this width still further. Suitably, the cross-section of the wall surround- ing the jet nozzle orifice forms an acute-angled triangle. the apex forming the jet nozzle brim.

392578

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