Process and apparatus for surrounding foam pattern with sand

Details Process and apparatus for surrounding foam pattern with sand Process and apparatus for surrounding foam pattern with sand

B - Operations, Transporting

22

C

22/34

B22C 13/10 (2006.01) B22C 9/04 (2006.01)

Patent

CA 1239270

ABSTRACT OF THE INVENTION A process and apparatus for surrounding a mold pattern with sand, the mold pattern including an inner cavity having a bottom. The process comprises the steps of holding the mold pattern in a mold flask, and depositing sand into the mold flask outside the mold pattern and into the inner cavity of the mold pattern such that, when the level of the sand outside the mold pattern is adjacent the level of the bottom of the inner cavity, the levels of the sand inside the inner cavity and outside the mold pattern are maintained the same as the mold flask is filled with sand.

481132

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