Incremental printing of symbolic information – Ink jet – Fluid or fluid source handling means
Reexamination Certificate
2011-01-18
2011-01-18
Do, An H (Department: 2853)
Incremental printing of symbolic information
Ink jet
Fluid or fluid source handling means
Reexamination Certificate
active
07871157
ABSTRACT:
Provided is a liquid-jet apparatus which can suppress liquid consumption by preventing air that can turn into bubbles from entering a liquid introducing columnar body in replacement of a liquid storage member and thus reducing a frequency of execution of a cleaning operation for discharging the bubbles inside a liquid passage. An ink introducing needle in a printer includes: a needle-like protrusion having a tapered portion whose diameter is gradually increased toward its base from its tip; and a straight portion formed linearly and continuously from the tapered portion. In the tapered portion of the needle-like protrusion in the ink introducing needle, groove portions extending to an edge portion of the tapered portion are provided.
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Fujishiro Takeshi
Koike Yasunori
Kumagai Keiichi
Okazawa Noriaki
Okubo Katsuhiro
Do An H
Seiko Epson Corporation
Workman Nydegger
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