INK REFILL CONTAINER AND INK REFILL SYSTEM Russian patent published in 2021 - IPC B41J2/175 

FIELD: printing.

SUBSTANCE: provided are an ink refill container configured to properly refill the ink reservoir with ink and an ink refill system including such an ink refill container. The ink refill container (63) includes a container body (64) which includes an ink chamber (76). The ink refill container also has an ink outlet forming part (66) provided at an end of the container body including an ink outlet (65) for allowing ink to flow out of the ink chamber; a valve (74) provided in the ink outlet forming part and configured to seal the ink outlet in an open and close manner; and a positioning structure configured to abut a portion of the ink reservoir and position the valve relative to the ink reservoir when the valve is opened. The positioning structure has a positioning surface (84) that is located on a side opposite the side of the container body where the container body is located with respect to the valve and that extends in a direction intersecting the central ink discharge axis (85).

EFFECT: invention ensures an ink refill.

10 cl, 39 dwg