Fluid jet print head

Details Fluid jet print head Fluid jet print head

B - Operations, Transporting

41

J

101/96.02

B41J 2/025 (2006.01)

Patent

CA 1219776

Abstract of the Disclosure A fluid jet print head includes an elongated body having a length substantially greater than its other dimensions and defining a fluid receiving reservoir in one end. The body defines at least one nozzle from which fluid, supplied under pressure to the reservoir, emerges as a fluid filament. The print head includes a support for engaging the body intermediate its ends. Further, the print head includes a pair of piezoelectric transducers, bonded to the exterior of the print head body, for alternately elongating and contracting in phase in the direction of elongation of the print head body. This causes mechanical vibration of the body and break up of the fluid filament into drops. Alternately, the piezoelectric transducers may be driven out of phase such that the print head body flexes.

425460

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