C - Chemistry – Metallurgy – 21 – C
Patent
C - Chemistry, Metallurgy
21
C
22/188, 22/80
C21C 5/46 (2006.01) B22D 41/44 (2006.01) B22D 41/46 (2006.01)
Patent
CA 2109238
ABSTRACT METALLURGICAL POURING VESSELS A method and product is provided to improve the positioning of loose anti-skulling material in the outlet nozzle zone of a metallurgical pouring vessel. Thus the formation of skull in the outlet nozzle zone of a metallurgical pouring vessel (10) is inhibited by positioning in the outlet nozzle zone (14) an elongated container (24) containing loose anti- skulling material (26), the container (24) being formed of an intumescent material whereby when heated it expands to fill the gap between itself and the walls of the nozzle (18) and releases the anti- skulling material (26).
Cullen William P.
Rogers Norman Edward
Foseco International Limited
Gowling Lafleur Henderson Llp
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