Patent AT-E400384-T1: [Translated] METHOD AND DEVICE FOR CLOSING THE SPOUT OPENING OF A METALLURGICAL VESSEL

A method of preparing for a filling cycle and subsequent casting of molten metal a ladle comprising a casting channel closed by a plugging valve and comprising the steps of: n- opening the valve, n- inserting from the outside a deformable shell (16a) provided with an opening through the open valve (14) inside the casting channel (27) with the opening turned towards the valve and with said shell having a maximum volume not less than that of the casting channel, n- injecting from the outside a refractory substance with fluid behavior through the opening in the shell (16a) to swell it and cause adherence of the walls of the shell to the channel wall (27), and n- closing the valve (14).