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United States Patent | 5,524,119 |
Marsh | June 4, 1996 |
An electric arc furnace or convertor is provided with a taphole collector nozzle which is provided, for at least a portion of its length, with an offset bore enlargement. The furnace may be a tilting arc furnace, and may be provided with a sliding gate taphole valve having a collector nozzle with an offset bore enlargement attached to the sliding gate.
Apr 16, 1991 [GB] | 9108038 | |||
Current U.S. Class: | 373/83 ; 266/45; 373/84 |
Current International Class: | B22D 41/50 (20060101); F27B 3/10 (20060101); F27D 3/00 (20060101); F27D 3/15 (20060101); C21C 5/46 (20060101); F27B 3/19 (20060101); F27D 003/14 () |
Field of Search: | 373/79,83,84,71,72,33,143,85 266/45,236,47,208 222/593 |
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0352353 | Jan., 1990 | EP | |||
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Flo-Con Systems, Inc., "Flo-con Model 12800 Tap Hole Valve", 1983 (copyright date) pp. 1-5.. |