INK BAG, INK CARTRIDGE AND INK-ET RECORDING APPARATUS, INK FILLING METHOD, INK REFILLING METHOD, MANUFACTURING METHOD OF INK CARTRIDGE, AND RECYCLING METHOD OF INK CARTRIDGE

摘要

An ink bag comprises a flexible bag body of a generally rectangular form and a forming member attached to one edge of the bag body, wherein the holding member includes: an ink filling opening for filling the bag body with ink; an ink discharging opening for discharging the ink inside the bag body; and an engaging part for holding the ink bag to a cartridge case in which the ink bag is accommodated.