Ink cartridge and ink jet printer using the same

Details Ink cartridge and ink jet printer using the same Ink cartridge and ink jet printer using the same

1998-08-10

2000-12-26

Le, N.

Incremental printing of symbolic information

Ink jet

Fluid or fluid source handling means

347 85, B41J 2175

Patent

active

061647705

ABSTRACT:
A cartridge case has an ink supplying opening. The opening is sealed with a sealing member through which a connector can penetrate. In the cartridge case, an ink container for storing the ink to be supplied to a printer head is fitted through a space to the ink supplying opening. The space is kept at a pressure that is less than atmospheric pressure. An ink absorbing material is disposed in the space adjacent to the sealing member. When the connector breaks through the sealing member, the ink inside the printer head is sucked into the space to make the inside of the printer head empty. Subsequently, the connector is connected to the ink container. Therefore, in the case where the needle-like hollow connector is connected, new ink can be supplied after the ink remaining in the printer head is sucked out.

REFERENCES:
patent: 4928126 (1990-05-01), Asai
patent: 5440333 (1995-08-01), Sykora et al.
patent: 5574490 (1996-11-01), Gragg et al.
patent: 5896151 (1999-04-01), Miyazawa et al.
patent: 5949458 (1999-09-01), Studholme

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