Ink jet head and ink jet recording apparatus having same

Details Ink jet head and ink jet recording apparatus having same Ink jet head and ink jet recording apparatus having same

1997-08-29

2000-12-12

Barlow, John

Incremental printing of symbolic information

Ink jet

Fluid or fluid source handling means

347 92, B41J 2175

Patent

active

061588555

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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