Refractory compositions and evaporative pattern casting process

Details Refractory compositions and evaporative pattern casting process Refractory compositions and evaporative pattern casting process

1988-10-28

1989-08-08

Seidel, Richard K.

Metal founding

Process

Shaping a forming surface

164 45, 164138, 164246, B22C 702, B22C 904

Patent

active

048543675

ABSTRACT:
An improved expendable pattern casting process and an improved refractory composition for coating expendable patterns used in the process comprising substantially spherical refractory material and an inorganic binder selected from the group consisting of aluminum phosphate, sodium silicate and potassium silicate.

REFERENCES:
patent: 4448235 (1984-05-01), Bishop
patent: 4482000 (1984-11-01), Reuter
patent: 4651798 (1987-03-01), Rikker

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