Sliding gate
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United States of America Patent
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Nov 8, 2022
Grant Date -
Feb 18, 2021
app pub date -
Apr 10, 2019
filing date -
Apr 11, 2018
priority date (Note) -
In Force
status (Latency Note)
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Abstract
In a sliding gate, a flow path vertical angle a between a flow path axial direction and a vertical downstream direction in a flow path hole in each plate is 5° or more and 75° or less, and a flow path axial direction projected on sliding surface in which the flow path axial direction is projected on a sliding surface differs between the plates and is changed clockwise or counterclockwise toward a downstream side. Then, molten metal forms a turning flow in the flow path hole of the sliding gate. Furthermore, the molten metal also forms a turning flow in a ladle shroud on the downstream side of the sliding gate.
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