Method and device for continuous casting of metals in a mold

Details Method and device for continuous casting of metals in a mold Method and device for continuous casting of metals in a mold

2007-07-03

2007-07-03

Tran, Len (Department: 1725)

Metal founding

Process

Shaping liquid metal against a forming surface

C164S504000

Reexamination Certificate

active

11230535

ABSTRACT:
A device for continuous or semi-continuous casting of metals, comprising a casting mold (1) which is open in both ends in the casting direction, means (2) for supplying melt to the mold (1), a first electromagnetic induction coil (4) energized by A.C. current and adapted to induce a stirring motion to the melt (7) in the mold (1), and a second electromagnetic induction coil (3) arranged upstream of the first induction coil (4) and adapted to control the stirring motion of the melt in the region adjacent to the upper free surface (5) of the melt. The second induction coil (3) is arranged to be interchangeably energized by either D.C. or A.C. current. The invention also relates to methods for control of stirring motion in a casting mold (1).

REFERENCES:
patent: 4933005 (1990-06-01), Mulcahy et al.
patent: 5699850 (1997-12-01), Beitelman et al.
patent: 3-76667 (1991-04-01), None
patent: 99/30856 (1999-06-01), None

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