Expendable die casting sand core

B - Operations – Transporting – 22 – C

Patent

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Details

22/145, 22/172,

B22C 9/02 (2006.01) B22C 9/10 (2006.01) B22D 17/24 (2006.01)

Patent

CA 1172825

ABSTRACT Coated sand cores containing an acid curable binding agent are used in the production of die castings having undercut regions because of the favorable combination of shakeout properties, resistance to washout, and resistance to surface penetration.

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