| 摘要 |
PURPOSE:To make the shape of an ink take-out port of an ink bag proper, to easily bond the ink take-out port with the ink bag with the improved bonding strength, to easily fit the ink take-out port into a casing, to form the ink bag without leakage of ink or mixture of air into tone ink, to make a detecting plate move in a predetermined tendency thereby to reduce both the irregularity in the remaining amount of ink and the remaining amount of ink. CONSTITUTION:An ink take-out, opening 2 of an ink bag 1 accommodated in an ink cartridge is constituted of a seal part inserted into the flexible ink bag 1 and secured to the ink bag 1 by thermal sealing, a tubular part for guiding out tone ink, a fitting part 4b to which a sealing member for sealing the tubular part is fitted, and a fixing groove held by or secured to the ink cartridge. The ink bag is fixed to the ink cartridge by the ink take-out opening 2 and a double-sided adhesive tape. |
