Immersible oxygen absorbing capsule for ink jet fluid supply

Details Immersible oxygen absorbing capsule for ink jet fluid supply Immersible oxygen absorbing capsule for ink jet fluid supply

1982-06-09

1984-12-18

Goldberg, E. A.

Recorders

Printing, dotting, or punching marker

Card or leaf record receiver

346 75, 346 11, 106 20, 106 22, G01D 1518, C09D 1100

Patent

active

044893345

ABSTRACT:
An oxygen absorbing capsule containing an oxygen absorbing material for use in an ink jet printing device is provided. The capsule wall is formed of a resinous material insoluble in the ink composition, but having a large permeability to gases so that oxgyen may be absorbed from the solution. The oxygen absorbing material is preferably an aqueous solution of a salt of pyrogallol. The capsule may be positioned in an ink tank, an ink supply tube or in an ink ejection head of an ink jet recording device for absorbing oxygen from the ink composition. Stable printing, free from nozzle clogging, can thus be carried out for extended intervals of time.

REFERENCES:
patent: 3575882 (1971-04-01), Vandegaer
patent: 3616263 (1971-10-01), Anandam
patent: 4279653 (1981-07-01), Makishima et al.

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