Process and apparatus for the molding of shaped articles from a

Details Process and apparatus for the molding of shaped articles from a Process and apparatus for the molding of shaped articles from a

1977-08-05

1979-11-27

Simpson, Othell M.

Metal founding

Process

Shaping liquid metal against a forming surface

164126, 164348, B22D 2506

Patent

active

041756096

ABSTRACT:
Disclosed are a method and apparatus for molding articles in which a highly planar solidification front is desired. A charge of liquefied alloy to be molded into the desired article is placed in a mold and submerged in a heat-exchange bath of liquid metal forming a cylindrical column which is heated in an upper portion and cooled in a lower portion to define an intermediate level at which the bath temperature corresponds to the melting point of the alloy. Upon a progressive lowering of the mold within the bath, a solidification front formed in the alloy at that intermediate level advances from the bottom to the top of the charge.

REFERENCES:
patent: 3244852 (1966-04-01), Herterick et al.
patent: 3322183 (1967-05-01), Johnston et al.
patent: 3584676 (1971-06-01), Busquet
patent: 3763926 (1973-10-01), Tschinkel et al.
patent: 3770047 (1973-11-01), Kirkpatrick et al.
patent: 3973750 (1976-08-01), Rabinovitch et al.

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