Patent ID: 6729381
Filing Date: 2004-05-04
Classification: B21B,B21C,B22D

Abstract:
An apparatus for continuous casting of a molten copper alloy to obtain a hollow tubular preform for the production of a metallic product, in the form of a tube or section bar, for industrial use from a copper alloy, the apparatus comprising:a crucible; and an ingot mold connected to the crucible and including: an external body; a pin coaxial and internal to the external body; a bridge supporting the pin; a plurality of axial feeding holes formed on the bridge and feeding the molten alloy from the crucible; and at least one radial feeding hole communicating with a first axial feeding hole of the plurality of axial feeding holes, and feeding an additional amount of the molten alloy from the crucible to the first axial feeding hole wherein the at least one radial feeding hole is positioned on the external body of the ingot mold downstream of the bridge.