Metal founding – Means to shape metallic material – Plural independent molds
Patent
1990-05-14
1991-11-12
Seidel, Richard K.
Metal founding
Means to shape metallic material
Plural independent molds
B22C 920
Patent
active
050639870
ABSTRACT:
A molding process and an apparatus wherein the molds produced in a molding machine are sent past a casting apapratus where casting takes place. Thereafter, the molds with the molding boxes surrounding them, pass through a primary cooling line, at the end of which molds and molding boxes are separated. The molding boxes are returned to the molding machine, while the sand molds with the castings pass through a secondary cooling zone for further cooling. The process allows for a substantially smaller number of molding boxes than previously known molding processes.
REFERENCES:
patent: 3840066 (1974-10-01), Taccone
patent: 4180156 (1979-12-01), Popov
patent: 4224979 (1980-09-01), Rosin
patent: 4438801 (1984-03-01), Buhler
patent: 4540036 (1985-09-01), Jensen
patent: 4643243 (1987-02-01), McKibben
George Fischer AG
Pelto Rex E.
Seidel Richard K.
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