Importance

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Abstract

A method for molding parts in a thermoplastic molding system comprised of a thermoplastic material delivery station, and two or more clam shell molds mounted on a rotating frame, each clam shell mold comprised of a mounted die half and a hinged die half connected by a hinge directly or indirectly to the mounted die half, said die halves in a closed position forming a mold cavity, the method comprising the steps of (a) rotating the rotating frame to move the die halves in an open position past a thermoplastic material deliver station; (b) delivering thermoplastic material to at least one die half of a clam shell mold at the thermoplastic material delivery station; (c) closing the die halves as the claim shell mold rotates past the thermoplastic material delivery station by rotating the hinged die half on its hinge onto to the mounted die half to form a mold cavity; (d) cooling the clam shell mold as it continues to rotate on the rotating frame; and (e) opening the clam shell mold by rotating the hinged die half on its hinge and removing a part formed in the mold cavity.

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First Claim