Process for the production of a metal strand, more particularly in the form of a strip or section, by casting and apparatus for the performance of the process
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United States of America Patent
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-
Jan 19, 1988
Grant Date -
N/A
app pub date -
Jun 12, 1986
filing date -
Jun 19, 1985
priority date (Note) -
Expired
status (Latency Note)
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Abstract
The invention relates to a process and apparatus for the casting of metal strands, more particularly in the form of strips. The molten metal emerging from a slotted die 2 is applied to the cooling surface of a cooling member 1 which is moved past the slotted die 2. Allowing for the law of solidification, at the start of casting the strip outlet side die lip is gradually increased from a minimum distance from the cooling surface to the required final distance in such a way that the free gap between the wedge-shaped developing solidification front of the cast strip 7 and the die lip 5 remains small enough to prevent the molten metal from flowing out through the gap in an uncontrolled manner. The end face edge of the slotted die 2 can be borne via one or more gas cushions on the cooling surface and the free surface of the cast strand.
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