Ink cartridge and method of regulating fluid flow

B - Operations – Transporting – 41 – J

Patent

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Details

B41J 2/175 (2006.01) B41J 2/01 (2006.01)

Patent

CA 2590242

In an ink cartridge, a negative pressure generating mechanism is disposed between an ink storage region and an ink supply port, and has a wall surface having two through-holes for ink flow, and a valve member contacted with and separated from the through-hole by receiving a pressure in an ink supply port side. Ink flowing via the through-hole is supplied via the through-hole to the ink supply port.

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