US PATENT SUBCLASS 164 / 225
.~.~ By drop pattern plate or support

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}
225.~.~ By drop pattern plate or support

DEFINITION

Classification: 164/225

(under subclass 213) Apparatus which includes means for holding the flask and pattern while the mold is being formed and which will be capable of drawing the pattern downwardly from the mold.

(1) Note. Generally the pattern is mounted on reciprocal pattern head means for positioning and stripping the pattern.