发明名称 |
Ink cartridge |
摘要 |
An ink cartridge for supplying ink to a recording head includes a vacuum producing material accommodating portion for accommodating a vacuum producing material; an ink containing portion for containing ink, adjacent the material accommodating portion, with which the ink containing portion is in fluid communication through an opening at a bottom portion; an ink supply opening for permitting supply of the ink, in the material accommodating portion; an inward projection in the ink containing portion; and the projection is not less than 0.2 mm away from a boundary between the material accommodating portion and the ink containing portion.
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申请公布号 |
US5742309(A) |
申请公布日期 |
1998.04.21 |
申请号 |
US19940292198 |
申请日期 |
1994.08.19 |
申请人 |
CANON KABUSHIKI KAISHA |
发明人 |
TAJIMA, HIROKI;IKEDA, MASAMI;ABE, TSUTOMU;KASHINO, TOSHIO;HIGUMA, MASAHIKO;OKAZAKI, TAKESHI |
分类号 |
B41J2/175;(IPC1-7):B41J2/175 |
主分类号 |
B41J2/175 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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