Mold for manufacturing metal containment vessels

Static molds – Including destructible feature – Destructible by heat or fusion

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249142, 249144, 249174, 264 30, 264 35, 264 36, 264317, B28B 716, B28B 734, B29C 3376

Patent

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054822483

ABSTRACT:
A mold for forming an open top, walled member having side walls and a bottom surface for containing a molten metal. The mold including an inner screen having a plurality of openings having inner side walls and a bottom surface. The mold further includes an outer wall, wherein the inner screen and the outer wall are spaced relative to each other to define a space so that the side walls and the bottom surface of the open top, walled member are formed therebetween.

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