Ink jet cartridge including filter inserts

Details Ink jet cartridge including filter inserts Ink jet cartridge including filter inserts

1993-12-07

1996-07-16

Le, N.

Incremental printing of symbolic information

Ink jet

Fluid or fluid source handling means

347 93, B41J 2175

Patent

active

055371361

ABSTRACT:
An ink jet printer cartridge assembly including a cartridge body with at least one ink chamber from which ink flows to a print head. A standpipe in the ink chamber includes an opening therethrough for the flow of ink to the print head, and a filter cap is secured on the top of the standpipe to limit the introduction of air bubbles and particulate matter in the flow of ink toward the print head. The filter cap includes a mesh material formed into a dome-shaped configuration and an elastomeric material molded about the periphery of the mesh portion, with the elastomeric material being received around the top portion of the standpipe.

REFERENCES:
patent: 1898382 (1933-02-01), Mullaney
patent: 3608736 (1971-09-01), Wong
patent: 3708118 (1973-02-01), Keur
patent: 4329698 (1982-05-01), Smith
patent: 4771295 (1988-09-01), Baker et al.
patent: 4931811 (1990-06-01), Cowger et al.

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