Patent ID: 6966637
Filing Date: 2005-11-22
Classification: B41J

Abstract:
1. An ink jet cartridge comprising: an ink jet recording head; an ink container for containing ink to be supplied to said recording head; an ink supply source connecting portion which is provided in said ink container and which is connectable with an ink supply source to permit filling of the ink into said ink container; a pressure reduction source connecting portion connectable with a pressure reduction source for reducing pressure in said ink container to permit filling of the ink; an absorbing material provided in said ink container, said absorbing material is capable of retaining the ink and functioning as a negative pressure source for the recording head; a gas-liquid separating member which is disposed between said absorbing material and said pressure reduction source connecting portion and which has a gas permeability and liquid penetration resisting property; and supporting members, disposed at respective sides of said gas liquid separating member, for supporting said gas-liquid separating member.