Patent ID: 6062684
Filing Date: 2000-05-16
Classification: B41J

Abstract:
An ink cartridge detachably mountable to a holder having an ink introducing portion for introducing ink into a recording head, comprising:a cartridge case having an ink chamber for holding ink, a foam chamber holding a porous member that can be impregnated with ink, and an ink passage for communication between the ink chamber and the foam chamber, the ink chamber having an ink supply hole for supplying ink to the ink introducing portion of the holder, the foam chamber having an atmosphere communicating hole for allowing the foam chamber of the cartridge case to communicate with atmosphere;a filter provided in the ink supply hole; andan adapter fixed to the cartridge case, said adapter integrally communicating with the ink supply hole and connectable to the ink introducing portion, wherein the filter is disposed between the cartridge case and the adapter and the filter is fixed to the cartridge case by the adapter.