Patent ID: 6183074
Filing Date: 2001-02-06
Classification: B41J,D06P

Abstract:
An ink-jet printing apparatus for performing printing by ejecting an ink to a printing medium, comprising:a printing head for ejecting the ink;an ink storage portion for storing the ink;an ink passage for effecting flow of the ink between said ink storage portion and said printing head, said ink passage comprising a first horizontal passage region, a second horizontal passage region and a connecting passage region connecting said first horizontal passage region with said second horizontal passage region, said first horizontal passage region being positioned lower than said second horizontal passage region; andlimitation means for limiting movement of a coloring agent of the ink, said limitation means being provided in said second horizontal passage region,wherein said limitation means is formed of a plurality of vertically convex-shaped convex portions formed in series in a part of said second horizontal passage region.