A stank device to remove oxidable scuffs from the surface of the metals in the course of definition (Machine-translation by Google Translate, not legally binding)

摘要

Watertight device for removing oxidizable slag from the surface of metals in the course of refining, comprising, basically, adapted to the reaction cylinder, a cover, with a tight seal, provided with a lower, cylindrical extension, of slightly smaller diameter than the cylinder of reaction and which can penetrate the molten metal, contained in said cylinder, at a level located below that of formation of the pasty layer, the aforementioned prolongation, in its lower part, has a movable bottom operable from the outside. (Machine-translation by Google Translate, not legally binding)