US PATENT SUBCLASS 425 / 540
.~.~ With rotary support for molds

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}
538  DF  .~ Plural female molds and means to shape parison at each directly by internal fluid pressure {2}
540.~.~ With rotary support for molds

DEFINITION

Classification: 425/540

(under subclass 538) Apparatus including means for supporting the members having inwardly facing shaping surfaces for movement from one position to another about a fixed axis.

(1) Note. An endless belt supporting the molds is not considered proper for this subclass, even if at some time during movement, as when passing over a drive gear, the molds are moved about an axis.