US PATENT SUBCLASS 164 / 223
.~.~ By vibrating means

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

159  DF  MEANS TO SHAPE A FORMING SURFACE {8}
213  DF  .~ Including means for separating forming surface from shaping means {9}
223.~.~ By vibrating means

DEFINITION

Classification: 164/223

(under subclass 213) Apparatus with means for drawing a mold shaping member from a mold with or without lifting the mold or stripping the pattern in which the operation is facilitated by means vibrating or rapping the shaping member or work piece either before or after the drawing operation commences.

(1) Note. Included herein are apparatus having devices adapted to be vibrated and to communicate vibrations to the shaping member, per se.