Air bubble removal in a drop on demand ink jet print head

Details Air bubble removal in a drop on demand ink jet print head Air bubble removal in a drop on demand ink jet print head

1992-07-29

1995-02-28

Hartary, Joseph W.

Incremental printing of symbolic information

Ink jet

Fluid or fluid source handling means

347 93, 347 40, B41J 219

Patent

active

053941810

ABSTRACT:
A drop on demand ink jet print head includes air bubble removal channels having a larger cross sectional area than the ink jet printing channels. In operation, the air bubble removal channels are operated to remove air bubbles from an ink manifold prior to ink jet printing.

REFERENCES:
patent: 4149172 (1979-04-01), Heinzl et al.
patent: 4323908 (1982-04-01), Lee et al.
patent: 4466005 (1984-08-01), Yoshimura
patent: 4536777 (1985-08-01), Matusmoto et al.

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