US PATENT SUBCLASS 164 / 367
.~.~.~.~.~ Hollow component

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

271  DF  MEANS TO SHAPE METALLIC MATERIAL {12}
349  DF  .~ United particle type shaping surface (e.g., sand, etc.) {9}
364  DF  .~.~ Comprised of separable parts {1}
365  DF  .~.~.~ Including a core {2}
366  DF  .~.~.~.~ Having embedded sand reinforcing, aligning, or supporting component {1}
367.~.~.~.~.~ Hollow component

DEFINITION

Classification: 164/367

(under subclass 366) Apparatus wherein the embedded component is hollow.

(1) Note. The component must be hollow when the core member is functioning as a core in a molding operation to be included herein.