| 摘要 |
For discharging predetermined quantities of molten metal a gas tight vessel having a discharge conduit is arranged to hold the molten metal. The vessel is connected to a source of a pressurized gaseous medium so that the gaseous medium assists in the discharge of the molten metal. Sensing means are used to generate an output signal, which is representative of the velocity of flow of the molten metal from the vessel, and the signal is passed to an integrating mechanism attains a predetermined value corresponding to the predetermined quantity of molten metal to be discharged, the discharge flow from the vessel is discontinued. |
