Investment casting method and stucco therefor

Details Investment casting method and stucco therefor Investment casting method and stucco therefor

1985-01-16

1987-08-25

Wax, Robert A.

Compositions: coating or plastic

Coating or plastic compositions

Molds and mold coating compositions

106 3851, 164 21, 428403, 428407, 523139, B28B 734, C04B 3514

Patent

active

046890815

ABSTRACT:
A special stucco for use in the construction of shell molds for investment casting is disclosed. The stucco particles comprise refractory powder held together by a binder which volatilizes or otherwise disintegrates at firing temperatures. Since the particles lose their structural integrity in the firing process, the shell mold may be more easily broken away from the finished casting.

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patent: 4036928 (1977-07-01), Valenta
patent: 4061807 (1977-12-01), Shaler et al.
patent: 4288245 (1981-09-01), Roorda et al.
patent: 4311609 (1982-01-01), Wagner et al.
patent: 4332910 (1982-06-01), Dunworth

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