Deaerator for simplified ink jet head

Details Deaerator for simplified ink jet head Deaerator for simplified ink jet head

1995-06-02

1997-12-23

Fuller, Benjamin R.

Incremental printing of symbolic information

Ink jet

Fluid or fluid source handling means

347 93, 96 6, 95 46, B41J 2175, B41J 219, B01D 5322, B01D 5912

Patent

active

057011486

ABSTRACT:
In the simplified ink jet head described in the specification, a tubular member made of air-permeable, ink-permeable material which is closed at one end and connected at the other end to a source of subatmospheric pressure is inserted into an ink passage in the ink jet head to extract dissolved air through the material of the tubular member from a surrounding body of ink in the ink passage.

REFERENCES:
patent: 4422082 (1983-12-01), Louzil
patent: 4571599 (1986-02-01), Rezanka
patent: 4698644 (1987-10-01), Drago et al.
patent: 4788556 (1988-11-01), Hoisington et al.
patent: 4839001 (1989-06-01), Bakewell
patent: 4947184 (1990-08-01), Moynihan
patent: 4975190 (1990-12-01), Sakashita et al.
patent: 5240621 (1993-08-01), Elonen et al.
European Patent Office, Supplementary European Search Report dated Oct. 1, 1996.

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