US PATENT SUBCLASS 164 / 220
.~.~.~.~ Including a mold material supporting stool

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}
217  DF  .~.~ Utilizing a stripping plate {1}
218  DF  .~.~.~ Pattern withdrawn vertically downwardly {3}
220.~.~.~.~ Including a mold material supporting stool

DEFINITION

Classification: 164/220

(under subclass 218) Apparatus wherein a stool is utilized to support a section of the mold inside the stripping plate during the withdrawal of the pattern member.

(1) Note. The stool generally supports a green sand core during the withdrawing of the pattern member.