| 摘要 |
A device for casting ingots comprises a mold with a feeder head, which is made in the form of a metal casing lined with refractory material, and has in the upper part a gas-escape hole, a membrane made of a material that is transformed to a porous structure by heat impact, an additional mold and an additional feeder head. Additional mold is mounted in stepped manner on the feeder head of main mold. |
