Liquid container

Details Liquid container Liquid container

2011-08-09

2011-08-09

Vo, Anh T. N. (Department: 2861)

Incremental printing of symbolic information

Ink jet

Fluid or fluid source handling means

Reexamination Certificate

active

07992983

ABSTRACT:
A liquid container is provided with an atmospheric air communicating port communicated with atmospheric air in an upper portion thereof, and a liquid supply port for supplying ink contained in the liquid container to a recording head in a lower portion thereof. A negative pressure producing member for retaining ink and imparting a negative pressure to the recording head is contained in the liquid container. On an upper wall in the liquid container on which the atmospheric air communicating port is provided, a plurality of ribs are integrally formed to protrude to the inside of the liquid container. A space portion is formed between the upper wall of the liquid container on which the ribs are disposed and an upper surface of the negative pressure producing member. A capillary channel for generating a capillary force is provided on the upper wall and side walls of the liquid container which form the space portion.

REFERENCES:
patent: 5790158 (1998-08-01), Shinada et al.
patent: 6070976 (2000-06-01), Takagi et al.
patent: 6474797 (2002-11-01), Kurata et al.
patent: 6595711 (2003-07-01), Hill
patent: 7387379 (2008-06-01), Nanjo et al.
patent: 08-090783 (1996-04-01), None
patent: 09-272210 (1997-10-01), None

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