Cartridge
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United States of America Patent
Stats
-
Sep 9, 2014
Grant Date -
Aug 7, 2014
app pub date -
Jul 26, 2013
filing date -
Feb 7, 2013
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A cartridge is equipped with an ink chamber provided on the interior of a case, and a supply port for supplying ink housed in the ink chamber to a printer. A porous member for leading the ink is provided in the supply port. A through hole for having the interior of the case and the outside communicate is provided on the case. A ventilation path that connects a space S on the supply port interior and the through hole is provided on the case interior. The meniscus pressure resistance of the porous member is greater than the absolute value of the difference between the pressure applied to the inside of the porous member when ink is led via the porous member, and the pressure applied to inside the ventilation path when ink is led via the porous member.
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Family
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Cited Art Landscape
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