Method and apparatus to assemble lost foam patterns

Details Method and apparatus to assemble lost foam patterns Method and apparatus to assemble lost foam patterns

B - Operations, Transporting

22

C

22/144

B22C 7/02 (2006.01) B29C 65/56 (2006.01)

Patent

CA 1245036

ABSTRACT A lost foam pattern including a first lost foam piece having a tapered inner surface defining an indentation, and a second lost foam piece received in the indentation and having a tapered outer surface in frictional engagement with the tapered inner surface, the first lost foam piece and second lost foam piece being fixedly connected solely by virtue of the frictional engagement.

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