INK CARTRIDGE REFILLING DEVICE
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United States of America Patent
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app pub date -
Nov 12, 2012
filing date -
May 12, 2010
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Abandoned
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Abstract
The present invention provides an ink cartridge refilling device, which comprises an ink container used for storing ink, an air inlet channel communicated with the ink container and introduced outside air into the ink container, a suction channel communicated with the ink cartridge and connected with an aspirator to suck air in the ink cartridge, an ink injection channel communicated with an ink injection opening of the ink cartridge and formed on the ink container and a re-suction channel which is communicated with an ink outlet of the ink cartridge and connected with the aspirator to suck ink at the ink outlet after the ink cartridge is refilled. The ink cartridge refilling device has the advantage that: air bubbles can be prevented from being attached to the upper part of a piezoelectric transducer near the ink outlet.
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