Nozzles for casting aluminium-killed steels

B - Operations – Transporting – 22 – D

Patent

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22/49, 22/85

B22D 11/10 (2006.01) B22D 37/00 (2006.01) B22D 39/00 (2006.01) B22D 41/54 (2006.01) C04B 35/057 (2006.01)

Patent

CA 1218511

- 1 - A B S T R A C T The improvement consists in forming the nozzles in two parts, the first as a body made of a refractory material, preferably zirconium oxide or magnesite, having a central axial cavity passing right through it, and the second as a body of a calcium-oxide based refrac tory material, having an appropriate passage for the liquid steel and located in said axial cavity.

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