US PATENT SUBCLASS 164 / 523
.~.~.~.~ To perfect casting surface

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

1  DF  PROCESS {6}
6  DF  .~ Shaping a forming surface (e.g., mold making, etc.) {8}
15  DF  .~.~ Shaping fluent material to form mold {9}
520  DF  .~.~.~ Utilizing particular mold materials {6}
523.~.~.~.~ To perfect casting surface

DEFINITION

Classification: 164/523

To perfect casting surface:

(under subclass 520) Process wherein specific molding materials are utilized to enhance the physical properties of the surface of the cast product.