Patent ID: 7134480

Claim:
A filling-tube construction for providing a connection between a mould to be filled with molten metal and a mould-filling furnace containing molten metal, said mould having at least one casting cavity, the lowermost part of each such cavity communicating with a filling duct, at least one end of which is open to the outside of said mould and adapted to be temporarily connected to the filling-tube construction to receive molten metal from the mould-filling furnace, the mould-filling furnace being adapted to contain molten metal and to transfer said molten metal under a controlled pressure through the filling-tube construction and to the filling duct, said filling-tube construction comprising: a first section extending from a position close to the bottom of said mould-filling furnace up to an intermediate position closer to the filling duct, said first section being a straight tube without bends; and at least one separate second section providing a connection from the upper end of the first section to the open end of the filling duct and adapted to provide a fluid-tight connection to the upper end of the first section and the open end of the filling duct, wherein a fluid-tight connection between the first and second section providing a movability of the second section relative to the first section.