Larson & Taylor
Discharge regulator of molten metal
 The present invention relates to a discharge regulator of molten metal, which can be disposed approximately vertically at the bottom portion of a molten metal vessel, characterized in that the regulator consists of a rotary nozzle, a nozzle carrying brick and a sleeve or of a rotary nozzle and a nozzle carrying brick, two or more recessed notches or openings are provided in at least either one of said nozzle carrying brick and said sleeve, the surface of said nozzle opening of the rotary nozzle, which pierces through at least one nozzle hole, is supported slidably to and in close contact with the inner peripheral surface of said nozzle carrying brick or said sleeve, and said rotary nozzle is equipped with a rotary mechanism mounted in such a manner that the upper portion of said rotary nozzle is brought into contact with the molten metal. 
Shinagawa Refractories Co., Ltd.
B
B22D
inventional
Takashi Mototsugu Yoshifumi Tadao Kenji
Otsuka Osada Shigeta Taniguchi Yamamoto