US PATENT SUBCLASS 249 / 180
.~.~ Means simultaneously moves plural molding sections of core

Current as of: June, 1999
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249 /   HD   STATIC MOLDS

175  DF  CORE (INTERNAL MOLD) {5}
178  DF  .~ Including means to expand or contract core {3}
180.~.~ Means simultaneously moves plural molding sections of core {1}
181  DF  .~.~.~> Rotary means

DEFINITION

Classification: 249/180

(under subclass 178) Apparatus wherein the mechanical means moves two or more molding faces of the core simultaneously to and from their operative position.