INKJET PRINTER CARTRIDGE AND ITS INK REFILL METHOD Russian patent published in 2009 - IPC B41J2/175 

FIELD: printing.

SUBSTANCE: ink printer cartridge contains a case fabricated with a specific form and having an opening for filling, on the one side of the case, a filling container, which is filled with ink, inside of the case, there is an outlet container connected with a filling cavity, an ink outlet coupled with the ejection container by pumping ink through the channel, the air container connected with the filling container, in order to blow air through the channel of air transport, air intake valve installed in air container, air intake channel, taking outside air in the air intake valve, blocking the film, fixed on the one case side, lid, installed on the other side of the casing, and part of pressure regulatory on one surface of the outer case, communicating with the filling container.

EFFECT: ink cartridge allows to increase space for ink, maintain the pressure inside, remove the air bubbles and has improved quality.

8 cl, 12 dwg