Patent ID: 6289654
Filing Date: 2001-09-18
Classification: B41J

Abstract:
A method of manufacturing an ink cartridge for use in an ink-jet recorder, comprising:positioning an ink bag in a vacuum chamber by suspending the bag from a plurality of through holes formed in the ink bag, the ink bag having an ink feed port which had been previously thermally welded to bottom side of the ink bag at a base and is sealed with a septum, an upper side of the ink bag opposite the ink feed port side being opened, and the plurality of through holes being formed in the vicinity of the opening;depressurizing the vacuum chamber;filling a specified quantity of degassed ink into the ink bag while the ink bag is sandwiched in a compressed state between press members to at least one third of the width of the ink bag in an uncompressed condition; andsealing the opening of the ink bag at a position below the ink level by heat welding.