| 主权项 |
1. A tundish impact pad formed from refractory material comprising a base having an impact surface which, in use, faces upwardly against a stream of molten metal entering a tundish, and a wall extending upwardly from the base around at least a part of the periphery of the impact surface, the base and the wall defining an interior, the pad having a longitudinal central minimum extent, the wall having a longitudinal portion having an interior, an internal extent and an internal length, and a latitudinal portion having an interior, an internal extent and an internal length, wherein the internal extent of the longitudinal portion of the wall is greater than the longitudinal central minimum extent of the pad, wherein the internal length of the latitudinal portion of the wall is greater than the internal extent of the latitudinal portion of the wall, wherein a protrusion having a width, a height and an interior surface extends inwardly from the latitudinal portion of the wall into the interior, and wherein the height of the protrusion is equal to the height of the portion of the latitudinal portion of the wall with which it is in contact. |
