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US 2025/0018720 A1Published application
Ink storage container
AssigneeCanon Kabushiki Kaisha
InventorATSUSHI OMURA
Life of this patent
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Abstract
An ink storage container is provided, having an ink storage unit that stores ink therein and an ink filling unit communicated with the ink storage unit, wherein the ink storage unit is a region where surface free energy of its inner wall is lower than a surface tension of the ink, and the ink filling unit is a region where surface free energy of its inner wall portion that comes into contact with the ink in a case of pouring the ink from the ink storage unit is higher than the surface tension of the ink.
Claims8
An ink storage container having:
- an ink storage unit that stores ink therein;
- and
- an ink filling unit communicated with the ink storage unit, wherein
- the ink storage unit is a region where surface free energy of its inner wall is lower than a surface tension of the ink, and
- the ink filling unit is a region where surface free energy of its inner wall portion that comes into contact with the ink in a case of pouring the ink from the ink storage unit is higher than the surface tension of the ink.
2 more elements
Dependencies are inferred from the claim text.