Ink cartridge and assembling method of atmospheric open...

Details Ink cartridge and assembling method of atmospheric open... Ink cartridge and assembling method of atmospheric open...

2005-11-22

2005-11-22

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

Incremental printing of symbolic information

Ink jet

Fluid or fluid source handling means

Reexamination Certificate

active

06966638

ABSTRACT:
An ink cartridge has a container main body [2] having a through hole [60] for making an ink storage chamber and an atmospheric open chamber [501] to communicate with each other, and an atmospheric open valve [601] having a valve body [65] capable of opening and closing the through hole [60] of the container main body [2] and an elastic member [62] capable of pressing the valve body [65] in a closed direction. In an assembling structure of the atmospheric open valve [601] in the atmospheric open chamber [501], the valve body [65] is placed at such a position blocking the opening of the through hole [60], the elastic member [62] is positioned in the atmospheric open chamber [501] as a bend piece shaped like < is expanded, and the elastic member [62] in the positioned state presses at one end part the valve body [65] in the closed direction and is fixed at an opposite end part to the inside of the atmospheric open chamber [501].

REFERENCES:
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patent: 6390611 (2002-05-01), Kobayashi et al.
patent: 6536885 (2003-03-01), Kuribayashi et al.
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Japanese Abstract No. 03016738, dated Jan. 24, 1991.
Japanese Abstract No. 04187448, dated Jul. 6, 1992.

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