US PATENT SUBCLASS 164 / 160.2
.~.~ And means to apply consumable shielding film to shaping surface

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

159  DF  MEANS TO SHAPE A FORMING SURFACE {8}
160.1  DF  .~ Including means applying vacuum directly to mold material {1}
160.2.~.~ And means to apply consumable shielding film to shaping surface

DEFINITION

Classification: 164/160.2

(under subclass 160.1) And means to apply consumable shielding film to shaping surface: Apparatus including an impervious consumable membrane adhered onto a particulate shaping surface by the applied suction.