Multi-hole, multi-edge control phate for linear sliding gate
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United States of America Patent
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Issued Date -
Dec 2, 2004
app pub date -
May 4, 2004
filing date -
Nov 13, 2001
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
An assembly of slide gate valve plates are described for use in the casting of molten metal. The assembly includes a fixed plate and a sliding plate having a plurality of bores. The extremes of stroke available to the sliding plate produce at least two cutting edges and an emergency shut-off position that is independent of transducers, sensors, or operator judgment. The plate may include oval-shaped bores for increased shut-off margin or offset bores for improved flow of the molten metal through the pouring channel defined by the alignment of the fixed bore with a sliding bore.
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