US PATENT SUBCLASS 264 / 533
.~.~.~ Shaping is neck formation other than by closure of mold for body of article

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}
531  DF  .~.~ Including shaping by mechanical means other than fluid pressure during or subsequent to fluid pressure differential shaping {3}
533.~.~.~ Shaping is neck formation other than by closure of mold for body of article

DEFINITION

Classification: 264/533

Shaping is neck formation other than by closure of mold for body of article:

(under subclass 531) Processes in which the neck of a container is reshaped by application of mechanical force other than the closing of the mold for the body of the container.

(1) Note. This subclass includes neck calibration when it takes place as a step separate from the closing of the mold.