B - Operations – Transporting – 41 – J
Patent
B - Operations, Transporting
41
J
B41J 2/175 (2006.01)
Patent
CA 2130300
An ink cartridge for supplying ink to a recording head includes a vacuum producing material accommodating portion fox 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.
Abe Tsutomu
Higuma Masahiko
Ikeda Masami
Kashino Toshio
Okazaki Takeshi
Canon Kabushiki Kaisha
Ridout & Maybee Llp
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