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US3538979A
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Molding machine with compensating pad assembly
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US3453656A
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Cylinder mechanism for molding machines
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US3270380A
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Foundry flask
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US3273207A
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Machine for handling patterns
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US3230561A
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Foundry flask cleaning machine
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US3201110A
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Cushioning device
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US3273210A
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Machine for removing molds from flasks
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US3238575A
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Sand molding and aerating machine
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US3238576A
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Pattern plate with resilient member in cavity
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US3190424A
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Conveyor with fall out plate for foundry flasks
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US3209414A
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Press head for sand molds
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US3134148A
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Multiple layer diaphragm and molding machine in combination therewith
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US3041685A
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Diaphragm molding machine
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US3116521A
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Head for a molding machine
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US3083421A
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Automatic installation for the continuous fabrication of sand molds and castings
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