US PATENT SUBCLASS 164 / 232
.~.~ Detachable or movable member for producing a recess or cavity in core member

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}
232.~.~ Detachable or movable member for producing a recess or cavity in core member

DEFINITION

Classification: 164/232

(under subclass 228) Apparatus wherein the core shaping means is comprised of plural movable parts which are adapted to produce a cavity or undercut portion in the core member.

(1) Note. Mere vent forming means are not considered means for forming a recess or cavity within the scope of this subclass.