Method for producing heat-insulating casting

Details Method for producing heat-insulating casting Method for producing heat-insulating casting

1973-07-10

1976-02-24

Husar, Francis S.

Metal founding

Process

Shaping liquid metal against a forming surface

164332, B22D 1908

Patent

active

039398978

ABSTRACT:
A method for producing a heat-insulating casting characterized by placing a flexible ceramic semifinished product having a smooth surface, a modulus of elasticity of 200-5000 Kg/mm.sup.2, a bending strength of 8-200 Kg/cm.sup.2, and a wall-thickness less than 1/4 of the inside diameter, inside a casting mold, and casting molten metal so as to enclose the ceramic semifinished product.

REFERENCES:
patent: 2745437 (1956-05-01), Comstock
patent: 3173451 (1965-03-01), Slayter
patent: 3568723 (1971-03-01), Sowards
patent: 3714971 (1973-02-01), Venable
patent: 3718172 (1973-02-01), Rice et al.

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