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Casting mold assembly

Image Number 2 for United States Patent #4002317.

A casting mold assembly is provided with improved facilities for preventing the generation of cleavages at the joints of successive plates that are arranged in a closed path about the mold axis to define the central mold cavity. A securing ring tightly engages the outer surface of the plates with the aid of a spring-loaded compression assembly, wherein a pair of spaced parallel legs that terminate the ring are forcibly pressed together by means of a disc spring that is mounted on the shaft of a threaded member and that is captured between the outer surface of one of the ring legs and a threaded nut that cooperates with the shaft. The resultant tightening of the joints between the plates that form the mold wall forms an impenetrable seal to prevent leakage of slag and other residues resulting from hot melts within the mold cavity.

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