US PATENT SUBCLASS 164 / 228
.~ Means for shaping core (e.g., core boxes, core molds, etc.)


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

159  DF  MEANS TO SHAPE A FORMING SURFACE {8}
228.~ Means for shaping core (e.g., core boxes, core molds, etc.) {5}
229  DF  .~.~> Including character forming member (indicia)
230  DF  .~.~> Including means positioning preform part for forming composite core member {1}
232  DF  .~.~> Detachable or movable member for producing a recess or cavity in core member
233  DF  .~.~> Hinged core box sections
234  DF  .~.~> Including vent or vent forming means


DEFINITION

Classification: 164/228

(under subclass 159) Apparatus comprising means defining a forming surface in which cores are shaped.