发明授权
- 专利标题： Container with negative pressure producing material
- 专利标题（中）： 集装箱用负压生产材料
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申请号： US736486申请日： 1996-10-24
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公开(公告)号： US6123420A公开(公告)日： 2000-09-26
- 发明人: Masahiko Higuma , Masami Ikeda , Naohito Asai , Tsutomu Abe , Toshio Kashino , Seiichiro Karita
- 申请人： Masahiko Higuma , Masami Ikeda , Naohito Asai , Tsutomu Abe , Toshio Kashino , Seiichiro Karita
- 申请人地址： JPX Tokyo
- 专利权人： Canon Kabushiki Kaisha
- 当前专利权人： Canon Kabushiki Kaisha
- 当前专利权人地址： JPX Tokyo
- 优先权： JPX19474 19920724; JPX122620 19930525
- 主分类号： B41J2/175
- IPC分类号： B41J2/175
摘要：
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.
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