Cartridge for feeding ink to an ink duct of a printing...

Details Cartridge for feeding ink to an ink duct of a printing... Cartridge for feeding ink to an ink duct of a printing...

2005-05-03

2009-11-10

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

Incremental printing of symbolic information

Ink jet

Fluid or fluid source handling means

Reexamination Certificate

active

07614728

ABSTRACT:
The cartridge (1) for feeding ink to an ink duct of a printing machine comprises, for containing ink, a hollow casing (2) presenting a base (4) provided with an ink dispensing valve (4a) and a piston (5) slidable within the hollow casing (2) to cause the ink to be dispensed by the dispensing valve (4a). The piston (5) presents a non-return valve (7) for feeding ink into the hollow casing (2), to enable the cartridge to be recharged. The cartridge filling device (30) comprises a housing (32) for the cartridge (1) and a filling head (33) associable with the piston and supported by actuator means (34) for its movement. The head (33) is connected to an ink feed pump (35) and presents at least one opening element (37) for opening the non-return valve (7) of the piston (5), to deliver ink into the cartridge (1).

REFERENCES:
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patent: 5992695 (1999-11-01), Start
patent: 19953324 (2001-05-01), None
patent: 20317054 (2004-03-01), None
patent: 0 716 923 (1996-06-01), None
patent: 11-20179 (1999-01-01), None

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