B - Operations – Transporting – 22 – D
Patent
B - Operations, Transporting
22
D
22/168, 22/53
B22D 11/06 (2006.01) B22D 11/10 (2006.01) B22D 11/124 (2006.01)
Patent
CA 1296505
ABSTRACT The invention provides method and apparatus for continuously casting metal strip of a predetermined transverse cross-sectional area. The method includes the steps of providing molten metal above an inlet structure having a plurality of passages for the liquid to flow through. The total cross-sectional area of the passages is greater than the predetermined transverse cross-sectional area of the cast metal strip and the metal flows through the structure at a selected average velocity. The liquid is received in a work zone defined by a supporting, chilled and movable substrate and is bordered by an upstream edge structure where the substrate meets the work zone and by side edge structures between the upstream edge structure and the downstream exit where the cast strip leaves the work zone. The substrate is driven at a velocity greater than the average velocity of metal flow so that a constrained pool of metal fills the work zone and a shell of solidified metal grows on the substrate in the work zone with a layer of molten metal in contact with the inlet structure.
536533
Guthrie Roderick I.l.
Herbertson Joseph G.
Gowling Lafleur Henderson Llp
R. Guthrie Research Associates Inc.
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