| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide a stopper for slag-cutting, with which the slag-cutting can surely be executed and the reusing can be executed without complicating the structure. SOLUTION: The stopper 1 for slag-cutting is provided with a branch part 3, a middle portion stopper part 4 fitted on the way of a core metal 2 extended at the lower part of the branch part 3 and a molten steel tapping hole fall-out preventing part 5 fitted to the core metal 2 with the interval having sufficient length longer than the molten steel tapping hole, at the lower part of the middle portion stopper part 4, and the middle portion stopper part 4, molten steel tapping hole fall-out preventing part 5 and the core metal 2 for connecting both parts are coated with a refractory 6.</p> |
