US PATENT SUBCLASS 164 / 179
.~.~.~.~.~ Bead forming type

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

159  DF  MEANS TO SHAPE A FORMING SURFACE {8}
169  DF  .~ Including means for compacting particulate fluent mold materials {12}
176  DF  .~.~ Pipe mold type forming means {1}
177  DF  .~.~.~ By moving pattern to effect shaping {1}
178  DF  .~.~.~.~ Rotating {1}
179.~.~.~.~.~ Bead forming type

DEFINITION

Classification: 164/179

(under subclass 178) Apparatus wherein a rotating former or pattern is utilized to form beads at the end of the pipe mold.