US PATENT SUBCLASS 164 / 224
.~.~ Having means to invert flask or pattern

Current as of: June, 1999
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164 /   HD   METAL FOUNDING

159  DF  MEANS TO SHAPE A FORMING SURFACE {8}
213  DF  .~ Including means for separating forming surface from shaping means {9}
224.~.~ Having means to invert flask or pattern

DEFINITION

Classification: 164/224

(under subclass 213) Apparatus including means for inverting or turning the mold shaping member upside down or vice versa to facilitate the withdrawal operation.