Ink jet filtered-chamber print head

Details Ink jet filtered-chamber print head Ink jet filtered-chamber print head

1984-04-09

1985-04-30

Goldberg, E. A.

Recorders

Markers and/or driving means therefor

With ink supply to marker

G01D 1518

Patent

active

045147434

ABSTRACT:
In a piezoelectrically-driven printing head for a dot-matrix ink printer, the ink canals (11) have a funnel-shaped enlargement (19) connected through a filter (18) to a common ink reservoir (16). The enlargements (19) increase the ink current cross-section in the area of the filter (18) and thereby increase the ink flow rate.

REFERENCES:
patent: 4149172 (1979-04-01), Heinzl et al.
patent: 4158847 (1979-06-01), Heinzl et al.
patent: 4233610 (1980-11-01), Fischbeck et al.

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