Mold riding shot blocker
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United States of America Patent
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-
Feb 18, 2003
Grant Date -
N/A
app pub date -
Jan 10, 2001
filing date -
Jan 10, 2001
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
The mold riding shot blocker comprises an apparatus and method for blocking the spillage of molten metal between adjacent molds in a conveyable string of closely juxtaposed molds as the mold string is advanced in a stepwise cycle in a metal casting process. The invention comprises a solid object having a configuration suitable for placement on the top surface of a mold string to cover at least one downsprue extending from the top surface, and a means for lowering the solid object onto the top surface of a mold string to cover at least one downsprue and raising the solid object from the top surface to uncover at least one downsprue. The method comprises the steps of positioning a solid object for placement on the top surface of a mold string, lowering the solid object into a protective position on a top surface of the mold and indexing the conveyable mold string with the solid object riding on the mold string in a protective position covering at least one downsprue.
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