Venting of pattern decomposition vapors during lost foam...

Details Venting of pattern decomposition vapors during lost foam... Venting of pattern decomposition vapors during lost foam...

B - Operations, Transporting

22

D

22/162

B22D 23/00 (2006.01)

Patent

CA 1219112

IMPROVED VENTING OF PATTERN DECOMPOSITION VAPORS DURING LOST FOAM METAL CASTING Abstract of the Disclosure In casting metal by a lost foam process within an unbonded sand mold, venting of pattern decomposition vapors and outgas is enhanced by flushing the mold with inert gas, thereby reducing entrapment within the metal and thus porosity within the product casting.

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