Lorusso & Loud
Casting nozzle
 A method for making a casting nozzle, includes mixing a main casting nozzle material 70-95% by weight and electrofused aggregates 5-30% by weight, the electrofused aggregates consisting essentially of ZrO.sub.2 30-60% by weight, Al.sub.2 O.sub.3 20-50% by weight, SiO.sub.2 10-20% by weight and SiC 5-40% by weight together with a binder, thereby to make a mixture, forming the mixture in the shape of a casting nozzle thereby to make a formed body, and sintering the formed body. 
Toshiba Ceramics Co., Ltd.
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Yoshiro Kazuhide Takashi Kazumi
Aiba Kawai Watanabe Arakawa