发明名称 |
INK JET RECORDING HEAD AND METHOD FOR PRESERVING SAME |
摘要 |
A recording head comprises an ink container, an energy generating device for discharging ink from the ink container, an ink discharge section corresponding to the energy generating device and a covering member that covers the ink discharge section and an atmosphere-communicating opening for the ink container, wherein when the recording head is out of recording, a small opening communicating with the atmosphere-communicating opening, or a valve member capable of opening or closing in accordance with an internal pressure change, or an internal pressure change-absorbing member capable of absorbing an internal pressure change by changing its volume is provided on said covering member at a position corresponding to the atmosphere-communicating opening.
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申请公布号 |
CA2062416(C) |
申请公布日期 |
1997.12.30 |
申请号 |
CA19922062416 |
申请日期 |
1992.03.06 |
申请人 |
CANON KABUSHIKI KAISHA |
发明人 |
OHKUMA, NORIO;HIGUMA, MASAHIKO;ARASHIMA, TERUO;KARITA, SEIICHIRO;SAITO, MEGUMI |
分类号 |
B41J2/14;B41J2/16;B41J2/165;B41J2/175;(IPC1-7):B41J27/18;B41J2/055;B41J2/185 |
主分类号 |
B41J2/14 |
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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