US Patent Issued to Heidelberger Druckmaschinen on Aug. 19 for "Method of cleaning nozzle surfaces of an inkjet print head assembly" (German Inventors)

ALEXANDRIA, Va., Aug. 20 -- United States Patent no. 12,391,046, issued on Aug. 19, was assigned to Heidelberger Druckmaschinen AG (Heidelberg, Germany).

"Method of cleaning nozzle surfaces of an inkjet print head assembly" was invented by Sven Butschko (Hockenheim, Germany) and Rene Stuckroth (Heidelberg, Germany).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method for cleaning nozzle surfaces of an inkjet print head assembly includes using a cleaning slide to carry out a movement along the assembly and clean the nozzle surfaces with a cleaning liquid in ultrasonic vibration. The cleaning slide includes an ultrasonic cleaning device, a suction device, and a rinsing device and the movement of the cleaning...