Patent ID: 9004654
Filing Date: 2015-04-14
Classification: B41J

Abstract:
1. An ink cartridge for supplying ink to a recording apparatus upon connection to the recording apparatus, the ink cartridge comprising: a casing having an interior and an opening; a flexible ink accommodation body, for accommodating ink, provided within the interior of the casing; an ink supply body, attached to the ink accommodation body, for supplying ink in an ink-flow direction from the ink accommodation body to the recording apparatus in the case that the cartridge is connected to the recording apparatus; a first sealing portion having elasticity; a second sealing portion having elasticity, wherein the second sealing portion is provided downstream, ink-flow direction, of the first sealing portion, wherein the first sealing portion is arranged to retain ink in the ink accommodation body in the case that the cartridge is not connected to the recording apparatus, wherein the second sealing unit is arranged to form a sealing engagement with the recording apparatus when the cartridge is connected to the recording apparatus, and wherein, between the first sealing portion and the second sealing portion, there is provided a gap communicating with an area between the casing and the flexible ink accommodation body.