Casting risers

Details Casting risers Casting risers

1977-08-26

1980-02-12

Baldwin, Robert D.

Static molds

Mold element

Sink head or hot top

164359, B22C 900

Patent

active

041880102

ABSTRACT:
An improved casting riser is provided of two different materials, an upper portion having a low thermal conductivity for retaining the heat of the metal in the riser liner and a lower portion having a high thermal conductivity to allow transfer of heat between the molten metal in the riser liner and the molten metal in the mold.

REFERENCES:
patent: 1794840 (1931-03-01), Egler
patent: 3513904 (1970-05-01), Lane
patent: 3815665 (1974-06-01), Baur

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