| 摘要 |
<p>A flow control device (10) for the outlet nozzle (15, 17, 18) of a molten metal handling vessel (20), in which the device (10) is shaped to fit as a plug in the outlet nozzle (15, 17, 18), whereby a gap (29) is defined between the device (10) and the closure (27) for the outlet (18), the device having apertures (14a) closed by means (14) that melt under the influence of the molten metal in the vessel, the apertures (14a) providing passageways for the molten metal from the vessel (20) to the outlet (18).</p> |
