Process and apparatus for lost foam casting with bonded sand...

Details Process and apparatus for lost foam casting with bonded sand... Process and apparatus for lost foam casting with bonded sand...

B - Operations, Transporting

22

C

22/144

B22C 9/04 (2006.01)

Patent

CA 1222862

ABSTRACT OF THE INVENTION A process for preparing for casting a foam mold pattern including a portion into which loose sand will not readily flow when sand is compacted around the mold pattern, the process comprising the step of attaching a bonded sand core to the foam mold pattern so that the bonded sand core will occupy only the portion of the foam mold pattern into which sand will not readily flow.

463262

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