STOPPER DEVICE FOR CONTROLLING A FLOW OF MOLTEN METAL

摘要

A stopper device for controlling a flow of molten metal at an outlet opening of a metallurgical vessel, said device comprising: a) a rod like body (12) with a longitudinal axis (A) and made of a refractory ceramic material, b) an elongated bore hole (14) extending from an upper surface of said body (12) towards its opposite lower end, wherein c) said bore hole (14) being equipped, at least at its portion adjacent the lower end of the body (12), with at least one fixing means (16) adapted to receive corresponding fixing means (18) of a refractory ceramic part (20, 22, 38) to be fixed at the lower end of the body (12).