Ink cartridge with closing device
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
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Aug 15, 2000
Grant Date -
N/A
app pub date -
Aug 13, 1999
filing date -
Aug 14, 1998
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An ink cartridge with a closing device for ink jet printers or similar writing, printing or drawing units, wherein the ink cartridge in the printer as well as the closing device are releasably mounted on the ink cartridge, wherein the ink cartridge can be filled manually or automatically with ink from an external tank, wherein the ink cartridge includes at least one housing, an ink reservoir and a refill opening, and wherein the refill opening is closeable by the closing device. The closing device includes at least two different closing elements, wherein a first element provides a sealing action and is a plug or a closing cap and a second element is constructed as an air-permeable compensating cap and includes a compensating body which is in the condition of use impregnated with a writing agent, a surface-active agent or tenside, with water, organic solvent or another liquid, wherein the closing elements or caps can be exchanged against each other and/or can be connected to each other and can be mounted on the ink cartridge and/or on each other.
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