INK REPLENISHMENT CARTRIDGE AND ENCAPSULATED FIBER TYPE WRITING INSTRUMENT USING INK REPLENISHMENT CARTRIDGE
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United States of America Patent
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Issued Date -
Oct 29, 2009
app pub date -
Nov 30, 2005
filing date -
Nov 30, 2005
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
The invention provides an ink replenishment cartridge and a writing instrument using the ink replenishment cartridge where new ink can be easily replenished in the writing instrument in which ink has been spent completely. The invention has a characteristic that the ink replenishment cartridge is provided with an ink tank having an ink discharge port, ink filled in the ink tank and a closing cap detachably mounted on the ink tank to close the ink discharge port and the ink tank is installed with the ink discharge port communicating with an opening at a rear end of a stem of the writing instrument from which a detachable tail cotter is removed.
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