B - Operations – Transporting – 22 – D
Patent
B - Operations, Transporting
22
D
22/49
B22D 23/00 (2006.01) B22D 18/06 (2006.01) B22D 39/00 (2006.01)
Patent
CA 2016810
COUNTERGRAVITY CASTING APPARATUS AND METHOD WITH MAGNETICALLY ACTUATED VALVE TO PREVENT MOLTEN METAL RUN-OUT Abstract Of The Invention The casting apparatus and method include a magnetically responsive valve disposed in the molten metal inlet passage of the mold for movement between an open position during mold filling and a closed position after mold filling and during removal of the mold from the underlying molten metal pool to prevent run-out of molten metal from the metal-filled mold cavity. The valve is moved to the closed position by a magnetic force exerted thereon by permanent magnets or an electromagnet disposed around the inlet passage below the valve.
Flemings Merton C.
Redemske John A.
Flemings Merton C.
Hitchiner Manufacturing Co. Inc.
Macrae & Co.
Redemske John A.
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