发明名称 |
Ink jet cartridge, ink jet head and printer |
摘要 |
<p>An ink jet cartridge includes a first chamber for accommodating a negative pressure producing material and provided with air communication part for communication with ambient air, wherein a part of the negative pressure producing material does not contain ink adjacent the air communication part; a second chamber which is substantially closed except for a fine communication part for communication with the first chamber at a position away from the air communication part, wherein the second chamber directly accommodates the ink to be supplied to the first chamber.</p> |
申请公布号 |
EP1077132(A2) |
申请公布日期 |
2001.02.21 |
申请号 |
EP20000203803 |
申请日期 |
1993.07.22 |
申请人 |
CANON KABUSHIKI KAISHA |
发明人 |
HIGUMA, MASAHIKO;IKEDA, MASAMI;ASAI, NAOHITO;ABE, TSUTOMU;KASHINO, TOSHIO;KARITA, SEIICHIRO |
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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