Patents Assigned to Elmjet Limited
  • Continuous ink jet printer
    Patent number: 5337071
    Abstract: A continuous ink jet printer has main deflection electrodes 7 and 8 and a subsidiary deflection electrode 14 having a recess front face 16 which defines a cavity 17. Unwanted satellite droplets entrained by the main droplets 4 are deflected into, and form vortices in, the cavity 17, before coalescing on the surface of the electrode 14 for collection.
    Type: Grant
    Filed: August 12, 1991
    Date of Patent: August 9, 1994
    Assignee: Elmjet Limited
    Inventors: Amanda H. East, Richard W. Janse Van Rensburg
  • Continuous ink jet printing device
    Patent number: 5115251
    Abstract: A continuous ink-jet includes a nozzle plate with multiple nozzles for ejecting droplets past a drop-charging electrode assembly located perpendicular to the droplet direction, the assembly and plate disposed with a rigid rail further engaging a groove to align the assembly with the plate.
    Type: Grant
    Filed: August 17, 1990
    Date of Patent: May 19, 1992
    Assignee: Elmjet Limited
    Inventor: Colin Gray
  • Continuous ink jet printing device
    Patent number: RE34932
    Abstract: A continuous ink-jet includes a nozzle plate with multiple nozzles for ejecting droplets past a drop-charging electrode assembly located perpendicular to the droplet direction, the assembly and plate disposed with a rigid rail further engaging a groove to align the assembly with the plate.
    Type: Grant
    Filed: April 2, 1993
    Date of Patent: May 9, 1995
    Assignee: Elmjet Limited
    Inventor: Colin Gray