Ink cartridge for printer
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United States of America Patent
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Apr 23, 2013
Grant Date -
Nov 20, 2008
app pub date -
Mar 28, 2007
filing date -
Mar 28, 2006
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
Disclosed is an ink cartridge for a printer, comprising a body having an opened surface and a predetermined shape to receive ink therein; a cover coupled with the body to define a desired space; and a chamber instrument comprising a filling chamber having a space for receiving a part of the ink in the body, a discharging chamber connected with the filling chamber, an ink transferring channel for moving the ink received in the filling chamber to the discharging chamber, an air guiding hold for guiding air to an inside of the cartridge, an air suction valve for selectively passing the guided air and a pressure regulating valve for regulating an internal pressure of the body.
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