Contact pouring of molten metal from a vessel into a mold

Details Contact pouring of molten metal from a vessel into a mold Contact pouring of molten metal from a vessel into a mold

1998-12-16

2000-10-31

Lin, Kuang Y.

Metal founding

Process

Shaping liquid metal against a forming surface

164136, 164337, B22D 3504

Patent

active

061387428

ABSTRACT:
An apparatus for and method of pouring molten metal from a refractory vessel into the sprue of a mold where the vessel is in contact with the sprue. Molten metal is poured through the orifice of a nozzle in the bottom of the vessel. Laminar flow and velocity of the molten metal through the orifice are controlled by a stopper that extends from the orifice and also displaces molten metal in the sprue of the mold when the stopper is in the closed position to minimize excess buildup of solidified metal in the volume of the sprue. Filtering of dross can be accomplished in the refractory vessel and heating means can be provided to hold the molten metal at the appropriate temperature.

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