B - Operations – Transporting – 41 – J
Patent
B - Operations, Transporting
41
J
101/96.0205
B41J 2/165 (2006.01)
Patent
CA 1220667
FLUID JET PRINTER AND METHOD OF ULTRASONIC CLEANING Abstract of the Disclosure A fluid jet system for producing at least one jet drop stream includes a print head means defining a fluid receiving reservoir. The print head means has an orifice plate defining at least one orifice communicating with the reservoir such that fluid supplied to the reservoir under pressure emerges from the orifices as a fluid filament. A transducer means is responsive to a drive signal for applying vibrational energy to the orifice plate to stimulate break up of the fluid filament into a stream of drops of substantially uniform size and spacing. A drive means applies a substantially sinusoidal drive signal to the transducer means to stimulate such break up. The drive means may also apply a cleaning drive signal approximating a pulse train to the transducer means. Ultrasonic cleaning of the print head means is thereby accomplished by harmonics of the vibrational energy applied to the orifice plate in response to the cleaning drive signal.
453897
Eastman Kodak Company
Gowling Lafleur Henderson Llp
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