B - Operations – Transporting – 22 – D
Patent
B - Operations, Transporting
22
D
22/74
B22D 18/06 (2006.01)
Patent
CA 1315953
C-3958 F-509 COUNTERGRAVITY CASTING APPARATUS Abstract of the Disclosure Apparatus for the shaping of metal in a bottom-gated mold by the vacuum induced countergravity casting method including an upstanding levee on the periphery of the drag and circumscribing the chamber-to-mold joint and/or the cope-to-drag joint for isolating such joint(s) when the mold is immersed in an underlying melt.
567343
Mercer James B.
Voss Karl D.
General Motors Corporation
Gowling Lafleur Henderson Llp
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