US PATENT SUBCLASS 425 / 529
.~.~ Parison stretching means


Current as of: June, 1999
Click HD for Main Headings
Click for All Classes

Internet Version by PATENTEC © 1999      Terms of Use



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  DF  .~ Including means to prepare parison {5}
529.~.~ Parison stretching means {1}
530  DF  .~.~.~> Comprising staged inflation means


DEFINITION

Classification: 425/529

(under subclass 528) Apparatus wherein the means to treat or condition includes means to elongate the molecular structure of a preformed member and form that member into a preformed hollow workpiece.