发明授权
- 专利标题： Ink filling method and apparatus for ink cartridge
- 专利标题（中）： 墨盒的墨水填充方法和装置
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申请号： US09084000申请日： 1998-05-26
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公开(公告)号： US06257711B1公开(公告)日： 2001-07-10
- 发明人: Masahiko Higuma , Masami Ikeda , Sadayuki Sugama , Tsutomu Abe , Hiroyuki Ishinaga , Toshio Kashino , Takeshi Okazaki , Hiroki Tajima
- 申请人： Masahiko Higuma , Masami Ikeda , Sadayuki Sugama , Tsutomu Abe , Hiroyuki Ishinaga , Toshio Kashino , Takeshi Okazaki , Hiroki Tajima
- 优先权： JP5-216551 19930831; JP5-218636 19930902; JP5-223488 19930908; JP5-244662 19930930
- 主分类号： B41J2175
- IPC分类号： B41J2175
摘要：
An ink filling method for filling an ink cartridge with ink to be supplied to a recording head for ejecting ink includes providing an ink cartridge having a negative pressure producing material accommodating portion and an ink accommodating portion, the negative pressure producing material accommodating portion accommodating a negative pressure producing material and being provided with an air vent, and the ink accommodating portion being substantially hermetically sealed except for fluid communication with the negative pressure producing material accommodating portion, and accommodating directly the ink to be supplied to the recording head, the ink cartridge further includes a partition wall between the negative pressure producing material accommodating portion and the ink accommodating portion, the partition wall being provided with a gap for permitting formation of meniscus of the ink; and directly injecting the ink into the ink accommodating portion.
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