Ink cartridge
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United States of America Patent
Stats
-
Mar 27, 2007
Grant Date -
Jul 1, 2004
app pub date -
Dec 10, 2003
filing date -
Dec 26, 2002
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A cartridge body partitioned into foam chambers and ink chambers and having a first welding part and a second welding part, a lid having a third welding part engaged and welded with the first welding part of the cartridge body and a fourth welding part formed on the bottom thereof in which the second welding part is inserted. Ink heads provided on the bottom of the cartridge body eject ink, and ink filters provided on upper sides of the ink heads to prevent foreign materials or bubbles from flowing in. The first welding part has a first section horizontally protruded in cross-section and a second section vertically protruded to the first section, and the third welding part has a third section vertically protruded, a fourth section horizontally protruded, and a fifth section in a diagonal cross-sectioned shape connecting the third section and the fourth section. The second welding part has a vertical rectangular shape in cross-section, and the fourth welding part has a concave groove formed in which the second welding part is inserted.
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Family
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Cited Art Landscape
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