Rotary nozzles
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Dec 18, 1990
Grant Date -
N/A
app pub date -
May 24, 1989
filing date -
May 24, 1989
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A rotary nozzle in which at least one coil spring is removed, acting to increase the clearance between a surface of the bottom plate brick and a surface of the slide plate brick. This mechanism is capable of improving the pushing force in the vicinity of the nozzle hole, and prevents molten steel leakage, thus prolonging the life of expensive bricks.
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