Metal founding – Means to shape a forming surface – Including means for compacting particulate fluent mold...
Patent
1978-03-20
1980-05-13
Baldwin, Robert D.
Metal founding
Means to shape a forming surface
Including means for compacting particulate fluent mold...
164196, 164192, B22C 1530
Patent
active
042023998
ABSTRACT:
A support table for foundry sand molding machines is elevated from a lowermost position to a sand supply position wherein sand is fed into a flask supported on the table. The table is then moved downwardly to a predetermined position slightly above the lowermost position while being vibrated to compact the sand. The table is then elevated to an upper position for squeezing the sand against a squeeze board carried by a head on the machine.
REFERENCES:
patent: 1661598 (1928-03-01), Byerlein
patent: 2817127 (1957-12-01), Beech
Abraham Edward D.
Hartung Rodney L.
Baldwin Robert D.
Carver Foundry Products
Lin K. Y.
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