Ink cartridge

Details Ink cartridge Ink cartridge

1991-06-04

1992-10-20

Fuller, Benjamin R.

Recorders

Markers and/or driving means therefor

With ink supply to marker

B41J 2175

Patent

active

051574217

ABSTRACT:
An ink cartridge for an ink jet printer comprises an ink supply container in the form of an ink bag and a waste ink recovery returner for recovering waste ink, which are both housed within the same cartridge chamber and wherein the waste ink recovery retainer comprises a waste ink bag including a polymeric absorber therein. The polymeric absorber of this invention has great absorption capabilities with a volume requirement of about one-half to one-tenth of that compared to porous absorption members utilized in the prior art and are still capable of absorbing the entire volume of ink within the ink bag. This permits a large reduction in cartridge volume and permits sharing of same cartridge chamber volume by both bags due to the continual exchange of ink from one bag to another. As a result, it becomes possible to further reduce the size of the entire ink jet printer and its printing mechanism.

REFERENCES:
patent: 4429320 (1984-01-01), Hattori
patent: 4524365 (1985-06-01), Kakeno
patent: 4695824 (1987-09-01), Tazaki
patent: 4901094 (1990-02-01), Iwagami et al.
patent: 4928126 (1990-05-01), Asai
Epsun K. K., "Ink Cartridge", vol. 7, No. 215 (M-244), pp. 283-285, Sep. 22, 1983.
L. Pietraszkiewicz, et al., "Internal Cleaning Unit Resolves Traditional Ink-Jet Limitations", Computer Technology Review, 4(1984) No. 4, pp. 137-139, Fall, 1984.

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