US PATENT SUBCLASS 264 / 558
.~.~.~ Including internal liquid contact

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}
555  DF  .~ Production of continuous or running length {3}
557  DF  .~.~ Including liquid contact {4}
558.~.~.~ Including internal liquid contact {1}
559  DF  .~.~.~.~> With downward movement of workpiece

DEFINITION

Classification: 264/558

Including internal liquid contact:

(under subclass 557) Processes which include contacting the internal surface of the continuous or running length with liquid.