Evaporable foam pattern assembly for casting a centrifugal pump

Metal founding – Means to shape a forming surface – Pattern

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164 34, 164 45, B72D 702

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049879456

ABSTRACT:
An evaporable foam pattern assembly for casting a centrifugal pump housing for an internal combustion engine. The assembly comprises three pattern sections having abutting surfaces joined by adhesives along a pair of parting lines. The parting lines are parallel and disposed normal to the axis of the impeller chamber of the pump.

REFERENCES:
patent: 4632109 (1986-12-01), Osborn et al.
patent: 4640333 (1987-02-01), Martin et al.
patent: 4657063 (1987-04-01), Morris
patent: 4777997 (1988-10-01), Corbett
patent: 4802447 (1989-01-01), Corbett
"Evaporative Foam Casting Technology II Program", Nov. 1986.

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