Ink storage unit capable of stirring ink by ink circulation
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United States of America Patent
Stats
-
May 23, 2023
Grant Date -
Aug 18, 2022
app pub date -
Dec 1, 2021
filing date -
Feb 18, 2021
priority date (Note) -
In Force
status (Latency Note)
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Abstract
An ink storage unit capable of stirring ink by ink circulation is proposed. The ink storage unit, which is configured to store ink for supplying the ink to an inkjet head including a plurality of nozzles to discharge the ink, includes an ink storage container having an inside space configured to store the ink therein, a head supply tube configured to supply the ink stored in the ink storage container to the inkjet head, a head recovery tube configured to recover remaining ink remained in the inkjet head to the ink storage container, a circulation tube configured to drain the ink through a first end thereof connected to the ink storage container and to receive the ink through a second end thereof connected to the ink storage container, and a circulation pump provided in the circulation tube to transfer the ink.
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