Method of producing sand mounds having a frozen surface

Details Method of producing sand mounds having a frozen surface Method of producing sand mounds having a frozen surface

1978-07-21

1979-04-24

Baldwin, Robert D.

Metal founding

Process

Shaping a forming surface

164 15, 164 37, 164 41, B22C 100

Patent

active

041507045

ABSTRACT:
A method of producing a mould of particulate material comprises admixing the particulate material with a controlled quantity of water, compacting the mixture to the required shape on a pattern or the like, removing the compacted mass from the pattern, and directing at at least the surface of the compacted mould to be contacted by molten metal a stream of coolant, whereby at least that surface is frozen to a depth sufficient to withstand the conditions imposed during the pouring of molten metal into the mould.

REFERENCES:
patent: 2476726 (1949-07-01), Haas
patent: 3159505 (1964-12-01), Burgess et al.
patent: 3330674 (1967-07-01), Santmyer
patent: 3512571 (1970-05-01), Phelps

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