Casting furnace

Metal founding – Process – Shaping liquid metal against a forming surface

Reexamination Certificate

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Details

C164S258000, C164S338100

Reexamination Certificate

active

07383873

ABSTRACT:
An apparatus and process are provided for casting liquid metals into molds in a casting furnace comprising a controlled environment melt chamber and a mold lock chamber. A mold is supplied to the controlled environment melt chamber for a pour, and removed from the same chamber via a mold lock chamber. A mold transport system moves the mold through the mold lock chamber. The mold transport system comprises a rotary screw drive, a cylinder screw drive, or hydraulic drive located external to the furnace. Alternatively the mold transport system comprises a rack and worm screw drive.

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