Continuous sequential casting apparatus

Metal founding – Control means responsive to or actuated by means sensing or... – Control of feed material enroute to shaping area

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Details

141135, 164136, 164324, 164329, 164336, 164337, B22D 504, B22D 3900, B22D 4104

Patent

active

045573131

ABSTRACT:
An apparatus for the continuous sequential casting of metals and their alloys wherein a furnace is rotated about an axis and a series of molds is continuously transported to the furnace and the molds are sequentially filled with molten metal poured from the furnace. Each of the molds is caused to move in synchronous arcuate motion with an outlet of the furnace directly above the mold, so that the mold may be filled with metal from the furnace during the synchronous motion thereof. Within the furnace, a central main chamber communicates with the respective chamber of each of the outlets, such that, a continuous circuit of molten metal is maintained between the main and outlet chambers. In the top portion of the main chamber, an annular opening allows the addition of charge to the furnace during the rotation thereof for the continuous sequential casting process. During the filling of the molds, metal is withdrawn from the furnace substantially below the slag therein to prevent slag from entering the molds. The discharge of metal from an outlet is controlled automatically by a power operated stopper rod, opening and closing an outlet orifice, positioned such that either the rod or orifice may be easily replaced to reduce service cost and reduce production losses. The support structure of the furnace is pivotable about a horizontal axis so that the furnace may be back-tilted to stop leakage from an outlet, service a stopper rod or orifice and assist in the removal of slag.

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patent: 3087517 (1963-04-01), Magnuson et al.
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patent: 4004793 (1977-01-01), Gray

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