Patent ID: 8617296

Claim:
Filling pistol for the filling under pressure of an object essentially with nitrogen, wherein the filling pistol has a housing which comprises an inlet opening which is connectable to an air source to supply air to the filling pistol therewith, and also a separation device provided downstream of the inlet opening and connected to the inlet opening to obtain essentially nitrogen-rich gas therewith, and an outlet opening connected to the separation device, which is connectable to the object which is to be filled to supply nitrogen-rich air therewith from the filling pistol to the object, wherein the filling pistol comprises an exchangeable separation cartridge with an air inlet and a nitrogen outlet, wherein the separation device is provided between the air inlet and the nitrogen outlet of the separation cartridge, and the housing includes a first chamber and at least a distal end of the separation cartridge is removably received within the first chamber, and wherein the filling pistol comprises an operating element which is arranged to set the filling pistol to an operating condition in order to fill an object with nitrogen-rich gas.