Ink cartridge for a printing head of an ink jet printer
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Nov 21, 2000
Issued Date -
N/A
app pub date -
Apr 16, 1997
filing date -
Mar 10, 1992
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
The ink cartridge comprises a casing closed on all sides, with a face wall having an aperture for receiving a tubular socket of the printing head. The casing contains a foam element impregnated with ink. It has locking elements for engaging arrester means of the printing head, as well as a second smaller aperture for feeding air. An elastomeric foil is provided between the face wall and the foam element, the foil having a hole smaller than the aperture and extending coaxially with the aperture. An edge zone of the smaller hole projects beyond an edge of the aperture and rests sealing against the sockets when the cartridge is inserted.
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