US PATENT SUBCLASS 264 / 530
.~.~.~ In diverse female mold cavities


Current as of: June, 1999
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264 /   HD   PLASTIC AND NONMETALLIC ARTICLE SHAPING OR TREATING: PROCESSES

500  DF  DIRECT APPLICATION OF FLUID PRESSURE DIFFERENTIAL TO PERMANENTLY SHAPE, DISTORT, OR SUSTAIN WORK {14}
523  DF  .~ Including application of internal fluid pressure to hollow finite length parison to expand same into conformity with female mold part {10}
529  DF  .~.~ Including plural distinct steps of differential fluid pressure induced expansion {1}
530.~.~.~ In diverse female mold cavities


DEFINITION

Classification: 264/530

In diverse female mold cavities:

(under subclass 529) Processes in which the sequential expansion steps take place in each of two or more molds.