Waste ink tank and inkjet printer
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United States of America Patent
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May 19, 2015
Grant Date -
Jun 26, 2014
app pub date -
Dec 10, 2013
filing date -
Dec 26, 2012
priority date (Note) -
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status (Latency Note)
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Abstract
The case 22 of a waste ink tank 13 has ribs 51, 52 that partition the space between a waste ink inlet 36 and an air vent 33. Air passages 65, 66 that connect the waste ink storage spaces S1, S2, S3 partitioned by the ribs are formed at the top ends of the ribs 51, 52. Waste ink permeates all of a sponge 21 through the space between the ribs 51, 52 and the bottom wall 24. Because a path for air to flow to the air vent 33 is constantly maintained inside the case 22 by the air passages 65, 66, air is discharged from the air vent 33 as waste ink is introduced to the case 22. The strength of the case can therefore be increased without interfering with introducing waste ink to the case and absorption of introduced waste ink by the sponge.
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