Countergravity casting using particulate filled vacuum chambers

Details Countergravity casting using particulate filled vacuum chambers Countergravity casting using particulate filled vacuum chambers

B - Operations, Transporting

22

D

22/162, 22/165

B22D 18/06 (2006.01) B22C 7/02 (2006.01) B22C 9/03 (2006.01) B22C 9/04 (2006.01) B22C 15/23 (2006.01)

Patent

CA 2021317

Particulate mold material, such as binderless foundry sand, is vacuumed upwardly from a particulate bed into an open bottom container about one or more gas permeable molds or destructible patterns in the container to form a casting assembly adapted for immersion in an underlying molten metal pool to effect countergravity casting of molten metal.

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