C - Chemistry – Metallurgy – 23 – C
Patent
C - Chemistry, Metallurgy
23
C
C23C 2/24 (2006.01) H02K 44/06 (2006.01)
Patent
CA 2151250
The invention relates to a process and a device for coating the surface of strip material, especially non-ferrous metal and steel strip, with a metal coating, wherein the material is conducted without reversal of direction through a container holding the molten coating material, which has a passage duct below the level of the melting bath, in which induction currents are induced by an electromagnetic travelling field and produce, in interaction with the electromagnetic travelling field, an electromagnetic force for restraining the coating material. In order to achieve a killing of the melt in the passage duct as well as in the container, and in order to be able to attain, to a large extent, a counterbalance between hydrostatic and electromagnetic forces, it is proposed that a constant direct or alternating current field be directed opposite to the travelling field in the area near the container, damping the movement in the coating material. For this purpose, an additional iron core (3), which has coils (4) running parallel to the inductor coils (2) and can be subjected to direct or alternating current, is arranged above each inductor on both sides of the passage duct (5).
Birger Boris L.
Foliforow Vladimir M.
Frommann Klaus
Haupt Werner
Moroz Anatolij I.
Fetherstonhaugh & Co.
Mannesmann Ag
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