Self-curing and water-soluble mold

Details Self-curing and water-soluble mold Self-curing and water-soluble mold

1977-02-17

1978-03-14

Spicer, Jr., Robert L.

Metal founding

Process

Shaping a forming surface

164138, 106 382, B22C 100

Patent

active

040785998

ABSTRACT:
A process for producing a self-curable and water-soluble mold, which comprises admixing a suitable amount of water with a mixture consisting of (A) 100 parts by weight of refractory sand particles composed of alumina, (B) 1 to 5 parts by weight of at least one alkali metal phosphate selected from the group consisting of potassium phosphate and sodium phosphate, and (C) 0.2 to 3 parts by weight of an aluminum powder; shaping the resulting mixture into a mold of the desired form; and then allowing the mold to cure spontaneously.

REFERENCES:
patent: 3311488 (1967-03-01), Seufert
patent: 3968828 (1976-07-01), Toeneskoetter et al.

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