Ink supply system for ink jet printers

Details Ink supply system for ink jet printers Ink supply system for ink jet printers

1981-06-04

1983-01-11

Hartary, Joseph W.

Recorders

Markers and/or driving means therefor

With ink supply to marker

G01D 1518

Patent

active

043684785

ABSTRACT:
An ink supply system for an ink printer. The system includes an ink cartridge which supplies ink through a conduit to the print head of the printer. A bubble trapping device is disposed along the conduit and includes a porous member which prevents air bubbles from entering the nozzle of the print head. The air bubbles are held in a chamber defined in the bubble trapping device. Fluid passages in the chamber of the bubble trapping device allow for continuous feeding of the ink to the porous member for passage to the nozzle. A bubble detecting device may also be provided in the supply system.

REFERENCES:
patent: 3403554 (1968-10-01), Chevalier
patent: 3708798 (1973-01-01), Hildenbrand
patent: 3898637 (1975-08-01), Wolstenholme
patent: 3974508 (1976-08-01), Blumenthal
patent: 4149172 (1979-04-01), Heinzl
patent: 4153902 (1979-05-01), Kanayama
patent: 4183029 (1980-01-01), Isayama
patent: 4183031 (1980-01-01), Kyser
patent: 4202267 (1980-05-01), Heinzl
patent: 4301459 (1981-11-01), Isayama
patent: 4306245 (1981-12-01), Kasugayama

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