Ink jet cartridge for an ink jet printing apparatus
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United States of America Patent
Stats
-
Nov 21, 2000
Grant Date -
N/A
app pub date -
Dec 16, 1999
filing date -
Aug 6, 1999
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
The ink-jet cartridge of the present invention includes two magnetic plates attached to the two sides of a flexible ink reservoir and facing each other with their sides of the same magnetic polarity. Alternatively, the two magnetic plates are attached to two flexible bags within the rigid ink reservoir and face each other with their sides of the same magnetic polarity. Due to the repulsive force generated by the two magnetic plates, a pressure regulating effect can be achieved within the ink reservoir to prevent ink leakage and provide smooth ink delivery while printing.
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