| 摘要 |
<p><PICT:1096862/C1/1> In an electric glass-making furnace of the type described in Specification 953,953, the refining device consists of a single element 101 not connected to any source of voltage, element 101 being disposed between electrodes 11a, (11b) and (11c). In a particular embodiment, element 101 is supported by glass withdrawal tube 27, parts 27 and 101 being of Mo. Part 101 may be filled with Mo pieces 102, which enhance the collection and ascent of bubbles. The electrodes and rods (9a), (9b), (9c) may also be of Mo.</p> |
