US PATENT SUBCLASS 425 / 541
.~ Including means to close or lock blow 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}
541.~ Including means to close or lock blow mold

DEFINITION

Classification: 425/541

(under subclass 522) Apparatus including (1) means to force portions of the inwardly facing shaping surface into operational position, or (2) means to secure the portions of the surface in operational position.

SEE OR SEARCH THIS CLASS, SUBCLASS:

450.1, for means to force a mold closed, generally.

451.9, for means to lock a mold closed, generally.