Nozzle cover assembly for an ink-on-demand type ink jet printer
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United States of America Patent
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-
Aug 4, 1987
Grant Date -
N/A
app pub date -
Jun 7, 1985
filing date -
Jun 8, 1984
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A nozzle cover assembly for an ink-on-demand type ink jet printer is provided. The assembly includes a nozzle cover having a recess on one side in order to form a chamber between the cover and the nozzle. A pressure maintaining device communicates with the recess for maintaining constant pressure in the chamber, thereby preventing ink from being pushed back to an ink supply tank side or from leaking out of the nozzle.
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Family
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Cited Art Landscape
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