Contact pouring
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United States of America Patent
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-
Nov 14, 1995
Grant Date -
N/A
app pub date -
May 18, 1994
filing date -
May 18, 1994
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
Disclosed is a contact pouring vessel and method for pouring molten metal directly into a mold. A pouring vessel holds the molten metal in a molten state. A nozzle within the pouring vessel and having an orifice enables the molten metal to pour from the pouring vessel. A stopper rod is raised or lowered to either seal the orifice or permit the molten metal to flow out the pouring vessel. A rotating cutter cleans the bottom of the nozzle each time a mold is filled to prohibit an unwanted buildup on the nozzle. Four hydraulic cylinders and a hydraulic system are used to controllably raise and lower the pouring vessel. The pouring vessel is raised to accommodate the positioning of mold adjacent the nozzle and lowered to position the nozzle flush with the mold.
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