Patent ID: 7175263
Filing Date: 2007-02-13
Classification: B41J

Abstract:
1. Twin-nozzle print head for a continuous inkjet deflection printer, the print head comprising: an ink drop generator assembly having two inkjet ejection nozzles, each of the inkjet ejection nozzles having an ejection axis, and arranged along the ejection axis: charge electrodes, first and second deflection electrodes deflecting charged drops, these deflection electrodes each having relative to said inkjet ejection nozzles an upstream part and a downstream part, an active surface of each deflection electrode being a surface of said electrode lying opposite a succession of drops, a single ink drop recovery gutter for both said inkjet ejection nozzles, wherein the ejection axes of said inkjet ejection nozzles converge at a point located on an axis of a single inlet orifice of the single recovery gutter, the point being in the vicinity of this inlet orifice or upstream of this recovery gutter.