Metal founding – Process – Shaping a forming surface
Patent
1987-08-28
1988-11-22
Godici, Nicholas P.
Metal founding
Process
Shaping a forming surface
164 45, 164246, B22C 702, B22C 904
Patent
active
047858702
ABSTRACT:
An improved expendable pattern casting process and an improved refractory composition for coating expendable patterns used in the process containing substantially spherical refractory material.
REFERENCES:
patent: 4448235 (1984-05-01), Bishop
patent: 4482000 (1984-11-01), Reuter
patent: 4651798 (1987-03-01), Rikker
Ashland Oil Inc.
Godici Nicholas P.
Seidel Richard K.
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