Precision orifice nozzle devices for the ink jet printing...

Details Precision orifice nozzle devices for the ink jet printing... Precision orifice nozzle devices for the ink jet printing...

G - Physics

01

D

101/96.02

G01D 15/18 (2006.01) B41J 2/16 (2006.01)

Patent

CA 1153618

PRECISION ORIFICE NOZZLE DEVICES FOR INK JET PRINTING APPARATI AND THE PROCESS FOR THEIR MANUFACTURE ABSTRACT OF THE DISCLOSURE A single or multi orifice metal nozzle structure suitable for use in an ink jet printing system. The metallic nozzle member has at least one orifice extending therethrough, the orifice including a cylindrical portion, adjacent the outlet face of said nozzle, having a height ranging from 0.25 to 5 times its diameter and at least one frustoconical section divergent toward the face opposite the outlet face and communicating with the cylindrical portion. Where the metal nozzle is a multi-orifice metal nozzle, each frusto- conical section communicates with a groove disposed in the face opposite the outlet face. The multi-orifice metal nozzle is prepared by grooving a metal plate with at least one groove, punching a plurality of frustoconical sections into the groove member and then forming a cylindrical portion into each frustoconical section and through the plate member.

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