Ink-jet head

Details Ink-jet head Ink-jet head

2011-04-26

2011-04-26

Vo, Anh T. N. (Department: 2861)

Incremental printing of symbolic information

Ink jet

Fluid or fluid source handling means

Reexamination Certificate

active

07931361

ABSTRACT:
An ink-jet head according to the present invention includes a passage component, a filter, and a sealing member. The passage component defines an ink passage which includes a middle hole having an opening. The filter partitions the middle hole of the passage component into a first space and a second space. The sealing member seals the opening. The sealing member has a first region which is opposed to the filter with respect to the vertical direction. The filter is mounted to the passage component in such a manner that ink passing through the filter flows from the first space upward into the second space. A surface of the first region of the sealing member facing the ink passage has a portion which is inclined relative to a horizon.

REFERENCES:
patent: 4341538 (1982-07-01), Vadnay et al.
patent: 5489930 (1996-02-01), Anderson
patent: 6932462 (2005-08-01), Watanabe
patent: 7229159 (2007-06-01), Chikamoto et al.
patent: H09-141890 (1997-06-01), None
patent: 2002-052730 (2002-02-01), None
Japan Patent Office, Notice of Reasons for Rejection mailed Nov. 25, 2008, in priority Patent Application No. 2006-354884.

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