Patent ID: 6412933
Filing Date: 2002-07-02
Classification: B41J

Abstract:
An ink cartridge device for a printer, comprising:an ink cartridge having an ink delivery port for supplying ink to said printer therefrom, and a rim of said ink delivery port; a container box for containing said ink cartridge, said container box having a box body and a lid for closing said box body, said box body being formed with a slit; and a delivery port-sealing film having a sealing portion removably welded to said rim of said ink delivery port, for sealing said ink delivery port, and an unsealing operation portion continuous with said sealing portion and extending in a direction of making a U-turn with respect to said sealing portion to extend out of said container box through said slit of said box body, an end of said sealing portion remote from said unsealing operation portion being fixedly attached to said box body, and a distal end portion of said unsealing operation portion extending out of said container box being folded to extend under said lid in a closed state; said ink cartridge having an air inlet port corresponding to said ink deliver port, for permitting air to flow into an inside of said ink cartridge, and a rim of said air inlet port, the ink cartridge device further including an air inlet port-sealing film for sealing said air inlet port of said ink cartridge, wherein said air inlet port-sealing film has an air inlet-port-sealing portion removably welded to said rim of said air inlet port, and an air inlet port-unsealing operation portion continuous with said air inlet port-sealing portion, said air inlet port-unsealing operation portion being fixedly attached to said lid, for permitting said air inlet port-sealing portion to be peeled off by an opening operation for opening said lid.