Countergravity casting apparatus

Details Countergravity casting apparatus Countergravity casting apparatus

B - Operations, Transporting

22

D

22/74

B22D 18/06 (2006.01)

Patent

CA 1262505

C-3814 F-696 COUNTERGRAVITY CASTING APPARATUS Abstract of the Disclosure Apparatus for the vacuum, countergravity casting of metal in shell molds including a gas-permeable shell mold secured to the mouth of a vacuum box by a plurality of threadable mounting sites atop the mold engaged by self-tapping threads on the ends of rotatable shafts reciprocably slidable through the ceiling of the vacuum box. The mounting sites may comprise Upstanding lugs atop the mold.

521443

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