0498117-A2 is referenced by 49 patents and cites 6 patents.

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 disposed closer to the ink containing portion than the first passage, and the valve is capable of closing the second passage.

Title
Ink container cartridge and manufacturing method therefor.
Application Number
EP19910311330 19911205
Publication Number
0498117 (A2)
Application Date
December 5, 1991
Publication Date
August 12, 1992
Inventor
Matsumoto Haruyuki
JP
Ujita Toshihiko
JP
Assignee
Canon
JP
IPC
B41J 02/175
B41J 02/185
B41J 02/18
B41J 02/175
B41J 02/165
B41J 02/185
B41J 02/18
B41J 02/175
B41J 02/165
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