Ink container with a capillary action member

Details Ink container with a capillary action member Ink container with a capillary action member

1994-08-19

1997-12-30

Barlow, Jr., John E.

Incremental printing of symbolic information

Ink jet

Fluid or fluid source handling means

B41J 2175

Patent

active

057036330

ABSTRACT:
A simple and economical construction and a reliable function is obtained for an ink container or ink pot with an ink reservoir by a closure coupling member that closes the ink withdrawal opening of the pot. The closure and coupling member has a capillary action for transporting ink. The pot includes an ink chamber with a capillary body so positioned inside the ink chamber that the open front face or first end of the capillary body is in direct contact with the ink while a back side of the capillary body communicates through a vent with the atmosphere. The chamber encloses the capillary body so that air can enter into the ink reservoir only through the capillary body to properly control the ink transport. For this purpose the capillary body functions as a pressure equalizer. The coupling member has a larger capillary action than the capillary body to make sure that ink is properly fed through the capillary coupling member to an ink consuming device.

REFERENCES:
patent: 3967286 (1976-06-01), Anderson et al.
patent: 5010354 (1991-04-01), Cowger et al.
patent: 5182581 (1993-01-01), Kashimura et al.
patent: 5373936 (1994-12-01), Kawai et al.
patent: 5453771 (1995-09-01), Waseda et al.

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