B - Operations – Transporting – 22 – C
Patent
B - Operations, Transporting
22
C
22/120, 22/164
B22C 9/04 (2006.01) B22C 1/16 (2006.01)
Patent
CA 1080427
ABSTRACT A stronger, thinner shell mold suitable for making cast metal parts comprises a base member of resin bonded sand and a second surfacing layer of a cured thermosetting binder material. Also disclosed is a method for forming the new shell mold.
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