Manufacturing process for orifice nozzle devices for ink jet printing apparati
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United States of America Patent
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-
Feb 14, 1984
Issued Date -
N/A
app pub date -
Feb 9, 1981
filing date -
Feb 22, 1980
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
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 frustoconical 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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