US PATENT SUBCLASS 425 / 380
.~ Including auxiliary shaping means (e.g., mandrel, etc.) associated with molding orifice

Current as of: June, 1999
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425 /   HD   PLASTIC ARTICLE OR EARTHENWARE SHAPING OR TREATING: APPARATUS

376.1  DF  STOCK PRESSURIZING MEANS OPERABLY ASSOCIATED WITH DOWNSTREAM SHAPING ORIFICE {7}
380.~ Including auxiliary shaping means (e.g., mandrel, etc.) associated with molding orifice {1}
381  DF  .~.~> Movable orifice or movable mounted inner mandrel within orifice

DEFINITION

Classification: 425/380

(under subclass 376.1) Apparatus including additional means operatively associated with the extruding orifice, either in, part of, or connected thereto, to impart a definite shape to the extruded product.