B - Operations – Transporting – 22 – D
Patent
B - Operations, Transporting
22
D
B22D 11/115 (2006.01) B22D 11/10 (2006.01) B22D 27/02 (2006.01)
Patent
CA 2320561
An apparatus for providing a magnetic field in a casting mold to slow and redirect in a controllable fashion the flow of liquid steel exiting from a submerged entry nozzle into the casting mold uses selectable removable ferromagnetic and non-magnetic laminar elements stackable on the ends of core fingers in the vicinity of the poles of an electromagnetic yoke positioned adjacent the mold face. By selecting the type and location of the stackable elements on the ends of the fingers, one can modify the properties of the magnetic field permeating the interior of the mold. Optionally, independent field coils may be provided for energizing selected portions of the magnetic field core structure to provide further magnetic field control without having to remove and replace laminar elements.
Dorricott Jonathan
Frank William R.
Blake Cassels & Graydon Llp
Evraz Inc. Na Canada
Ipsco Inc.
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