Casting mold with expansion member for radiation plates

Details Casting mold with expansion member for radiation plates Casting mold with expansion member for radiation plates

1988-12-08

1990-07-03

Seidel, Richard K.

Metal founding

Process

Shaping liquid metal against a forming surface

164341, 164342, 249 82, B22D 1500

Patent

active

049382772

ABSTRACT:
An apparatus and method is provided for producing castings from low melting point alloys which expand upon hardening for use in radiation treatment. An apparatus (10) is provided with a resilient ring (22). As the alloy expands in cooling, the resilient ring deforms outwardly to accommodate the expansion. The molding apparatus (10) can then be disassembled to remove the hardened plate with little risk of harm to the plate.

REFERENCES:
patent: 3570583 (1971-03-01), Lauener
patent: 3570585 (1971-03-01), Harris
patent: 3671007 (1972-06-01), Bailey
patent: 4143852 (1979-03-01), Wiener
patent: 4717115 (1988-01-01), Schmitz
patent: 4723750 (1988-02-01), Clark, III
Siemens Photograph Showing Largest Rubber Ring.

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