US PATENT SUBCLASS 425 / 533
.~.~ Parison forming injection mold

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  DF  .~ Including means to prepare parison {5}
533.~.~ Parison forming injection mold

DEFINITION

Classification: 425/533

(under subclass 528) Apparatus wherein the means to treat or condition includes means to form a hollow workpiece by forcing fluent material into a mold.

SEE OR SEARCH THIS CLASS, SUBCLASS:

542+, for means to form a product by forcing fluent material into a mold.