Ink jet head and ink jet recording apparatus having same
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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-
Dec 12, 2000
Issued Date -
N/A
app pub date -
Aug 29, 1997
filing date -
Sep 3, 1993
priority date (Note) -
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status (Latency Note)
Importance
Abstract
An ink jet head for ejecting ink includes an ink passage for supplying ink from an ink container for containing ink; a filter chamber in the ink passage, the filter chamber containing therein a filter; wherein the chamber has a cross-sectional area larger than that of the ink passage, and is provided with an inlet opening in fluid communication with an inlet part of the ink supply passage for supplying the ink from the ink container to the filter chamber and an outlet opening in fluid communication with an outlet part of the ink passage for supplying the ink out of the chamber; wherein the inlet opening and outlet opening are faced to a filter with a clearance, and the chamber is provided with bubble moving portion for moving bubbles away from the inlet opening.
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