1
Ujita Toshihiko, Matsumoto Haruyuki: Ink container cartridge and manufacturing method therefor.. Canon, August 12, 1992: EP0498117-A2 (49 worldwide citation)

An ink container cartridge includes an ink containing portion; a plug for being pierced by a hollow needle; a device for preventing reverse flow of the ink to the containing portion, the preventing device comprising a valve, a first liquid passage in which the valve is movable and a second passage d ...


2
Haruyuki Matsumoto, Toshihiko Ujita: Ink container cartridge and manufacturing method therefor. Canon Kabushiki Kaisha, CHEN SHENXIAN, August 19, 1992: CN91112778

An ink container cartridge includes an ink containing portion; a plug for being pierced by a hollow needle; a device for preventing reverse flow of the ink to the containing portion, the preventing device comprising a valve, a first liquid passage in which the valve is movable and a second passage d ...