Mould insulation

Details Mould insulation Mould insulation

1978-04-13

1980-01-29

Silverberg, Sam

Coating processes

Mold coating

Sand mold

106 3827, 106 389, 164 26, 164 41, 427133, B22C 908

Patent

active

041862228

ABSTRACT:
A method of insulating a shell mould for investment casting by adhering a particulate or fibrous insulator such as perlite, vermiculite or ceramic fibres to a shell mould by an adherent coating. In a preferred process the shell mould is first dipped into the adherent coating and the particulate insulator is applied to the mould through a stuccoing process. Multiple layers of insulation can be applied to the mould to vary the thickness of insulation as required.

REFERENCES:
patent: 3126597 (1964-03-01), Operhall
patent: 3654984 (1972-04-01), Mellen
patent: 4063954 (1977-12-01), Brown

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