Ink container, ink and ink jet recording apparatus using ink container
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United States of America Patent
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-
Aug 1, 2000
Issued Date -
N/A
app pub date -
Nov 2, 1998
filing date -
Jul 24, 1992
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A container for containing printing liquid for supplying to an ink jet head for an ink jet recording apparatus. The container includes a first chamber containing negative pressure producing material and having an air vent communicating with ambient air and a supply port for supplying printing liquid to the ink jet head. The container also includes a second chamber communicating with the first chamber via a communication port and providing a printing liquid reservoir for the first chamber. The capillary force provided by the negative pressure producing material adjacent a wall extending from the communication port and decreasing in a direction perpendicular to and towards the wall at least adjacent a part of the communication port which is uppermost in use of the container.
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