Liquid ejection head and liquid ejection apparatus
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United States of America Patent
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Jan 28, 2014
Grant Date -
Apr 18, 2013
app pub date -
Jul 4, 2011
filing date -
Jul 28, 2010
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A continuous liquid ejection head collects droplets which are not used for printing (unused droplets) without affecting the flight of droplets which are used for printing (used droplets). An ejection nozzle and a collection nozzle collect an unused droplet by causing a liquid surface to project out from the aperture of the collection nozzle so as to be positioned in the trajectory along which droplets ejected from the ejection nozzle fly, causing the unused droplet to collide and unite with the liquid surface projected from the collection nozzle, and causing the liquid surface to retreat.
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