Strip casting
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Jun 13, 2000
Grant Date -
N/A
app pub date -
Jan 7, 1999
filing date -
Sep 16, 1996
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A refractory nozzle 19 for delivery of molten metal to a casting pool 68 of a twin roll caster, and a method and apparatus for casting strip 20 is disclosed in which said nozzle 19 has an elongate open topped trough 61 to receive molten metal, a pair of elongate nozzle chambers 82 extending one along each side of a floor 60 of a trough, metal flow openings 86 for flow of molten metal from the interior of the trough into the nozzle side chambers 82, and nozzle side outlets 64 for flow of molten metal from the side chambers 82 outwardly from the bottom of the delivery nozzle. In a preferred form the nozzle side outlets 64 are elongate slots extending continuously substantially throughout the length of the nozzle and the nozzle side chambers 82 are formed by partition walls 83, 84 disposed within the nozzle to divide off bottom side corner parts of the nozzle from the trough interior whereby the form said side chambers 82 extending along the bottom side corner parts of the nozzle.
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