Incremental printing of symbolic information – Ink jet – Fluid or fluid source handling means
Reexamination Certificate
2007-04-05
2010-11-09
Lepisto, Ryan (Department: 2883)
Incremental printing of symbolic information
Ink jet
Fluid or fluid source handling means
C347S005000, C347S006000, C347S020000, C347S084000, C347S085000, C347S086000, C347S089000, C347S092000
Reexamination Certificate
active
07828425
ABSTRACT:
An ink circulation system, an inkjet recording apparatus having the ink circulation system, and an ink circulating method thereof. The ink circulation system includes an ink tank including an ink outlet and an ink inlet, a head assembly including a head chip through which an ink is discharged, and a filter, a supply path which supplies the ink of the ink tank to the head assembly, a first feed line through which ink of the head assembly at the upstream of the filter is conveyed into the ink tank, a second feed line through which the ink of the head assembly at the downstream of the filter is conveyed to the ink tank, and a pump which is provided at the ink inlet of the ink tank to provide the first and the second feed lines with a negative pressure to circulate the ink.
REFERENCES:
patent: 6116727 (2000-09-01), Hagiwara
patent: 7585063 (2009-09-01), Okuda
patent: 2004/0085416 (2004-05-01), Kent
patent: 2006122814 (2006-05-01), None
CN Office Action issued Apr. 6, 2010 in CN Application No. 200710137354.0.
Haida Kazuo
Kang Sung-wook
Lepisto Ryan
Samsung Electronics Co,. Ltd
Stanzione & Kim LLP
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