Molding apparatus including vents comprising elongated slotted bars
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United States of America Patent
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Jan 25, 1994
Grant Date -
N/A
app pub date -
Sep 24, 1992
filing date -
Sep 27, 1991
priority date (Note) -
Expired
status (Latency Note)
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Abstract
The molding apparatus includes a pattern plate carrier for air-pressurized compaction processes. The carrier is equipped with air venting structure running along the inner contour of the mold box of the sand molding apparatus in the form of elongated slotted bars.
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