Ink reservoir, ink jet head structure including ink...

Details Ink reservoir, ink jet head structure including ink... Ink reservoir, ink jet head structure including ink...

2005-11-22

2005-11-22

Feggins, K. (Department: 2861)

Incremental printing of symbolic information

Ink jet

Fluid or fluid source handling means

Reexamination Certificate

active

06966641

ABSTRACT:
In a sub-tank of an ink jet recording head, an ink absorbing member capable of being impregnated with and holding an ink is arranged and a space V2,which is an area formed by a first wall surface of an ink reservoir and the ink absorbing member and in which the ink absorbing member is not present, is formed. A gas-liquid separation member made of a porous member, transmitting a gas but shutting off a liquid such as the ink is provided in a cap member in which an air hole is formed. A volume of the space V2and a total volume V2of an amount of the ink by which the ink is discharged from a discharge port of an ink jet recording element in one recovery operation and an initial pre-discharge amount hold a relationship of 0.7V1≦V2≦V1.

REFERENCES:
patent: 4433341 (1984-02-01), Thomas
patent: 4680696 (1987-07-01), Ebinuma et al.
patent: 5159348 (1992-10-01), Dietl et al.
patent: 5936650 (1999-08-01), Ouchida et al.
patent: 6293665 (2001-09-01), Pew et al.
patent: 8-112913 (1996-05-01), None

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