US PATENT SUBCLASS 164 / 233
.~.~ Hinged core box sections

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

159  DF  MEANS TO SHAPE A FORMING SURFACE {8}
228  DF  .~ Means for shaping core (e.g., core boxes, core molds, etc.) {5}
233.~.~ Hinged core box sections

DEFINITION

Classification: 164/233

(under subclass 228) Apparatus directed to a split core mold or box which is hinged on one side.