Liquid containment and dispensing device

Details Liquid containment and dispensing device Liquid containment and dispensing device

1995-04-27

1998-07-21

Fuller, Benjamin R.

Incremental printing of symbolic information

Ink jet

Fluid or fluid source handling means

347 86, 222207, 222214, B41J 2175

Patent

active

057840873

ABSTRACT:
An ink containment and dispensing device for an inkjet printer is provided with a main reservoir in the form of a flexible pouch panel, which is typically maintained at ambient pressure. The main reservoir is coupled to a variable volume chamber via a one-way valve which allows the flow of ink from the reservoir to the chamber and prevents the flow of ink from the chamber to the reservoir. The chamber is coupled to a fluid outlet, which is normally closed to prevent the flow of outward ink. However, when the ink supply is installed in a printer, the fluid outlet establishes a fluid connection between the chamber and the printer. The chamber is part of a pump provided with the ink supply that can be actuated to supply ink from the reservoir to the printer. The pump has a linearly acting pumping member and a flexible diaphragm that overlies the pumping member, the diaphragm being impervious to the transmission of oxygen and moisture therethrough to prevent degradation of the ink within the chamber.

REFERENCES:
patent: 3887069 (1975-06-01), Diwo
patent: 3950761 (1976-04-01), Kashio
patent: 5280300 (1994-01-01), Fong et al.

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