Ink Jet Recording Apparatus
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United States of America Patent
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Issued Date -
Nov 12, 2015
app pub date -
Jan 13, 2015
filing date -
May 8, 2014
priority date (Note) -
Abandoned
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Abstract
An ink jet recording apparatus that can perform high velocity printing without printing distortion is realized. In a continuous discharge type ink jet recording apparatus, a unit that suppresses a velocity in the vicinity of a center axis is disposed in a unit that injects ink droplets in which because a velocity in an outer periphery is higher than that in a center of a discharged liquid column, a velocity on a surface of the liquid column becomes quickly high, and a capillary wave that propagates on a surface of the liquid column in a travel direction is quickly amplified because the velocity becomes quickly a velocity suitable for droplet breakup, the droplet breakup is quickly generated, and the droplet breakup is surely generated within a charging electrode located next to the nozzle. As a result, an ink jet recording apparatus stable in printing quality performance is provided.
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