Big-end-down ingot mold for casting metal

Details Big-end-down ingot mold for casting metal Big-end-down ingot mold for casting metal

1976-06-14

1977-06-07

Husar, Francis S.

Static molds

Including solid heat conductor or insulator, i.e., chill or...

249174, B22D 1500, B22D 706

Patent

active

040278441

ABSTRACT:
A big-end-down ingot mold has a heat insulating chamber which, when the ratio of the width of the wider walls to that of the narrower walls of the mold is less than 1.7:1, is formed in each of the four side walls and, when the ratio is 1.7:1 or more, is formed in each of the two opposed wider walls and whose horizontal sectional areas each gradually increase from below toward above. By means of the heat insulating chambers the solidification rate of the molten metal is regulated to prevent the formation of secondary pipes and segregation around the pipes within an ingot cast in the mold.

REFERENCES:
patent: 669952 (1901-03-01), Brinton
patent: 1204270 (1916-11-01), Greene
patent: 1634999 (1927-07-01), Krause
patent: 3612158 (1971-10-01), Rossi

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