US PATENT SUBCLASS 425 / 528
.~ Including means to prepare parison

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

522  DF  FEMALE MOLD AND MEANS TO SHAPE PARISON DIRECTLY BY INTERNAL FLUID PRESSURE, (E.G., BLOW MOLD, ETC.) {10}
528.~ Including means to prepare parison {5}
529  DF  .~.~> Parison stretching means {1}
531  DF  .~.~> Parison severing means
532  DF  .~.~> Parison forming extruder
533  DF  .~.~> Parison forming injection mold
534  DF  .~.~> Parison transfer means

DEFINITION

Classification: 425/528

(under subclass 522) Apparatus including means to treat or condition the preformed hollow workpiece prior to final shaping thereof.