US PATENT SUBCLASS 264 / 528
.~.~ Including internal cooling of the article after fluid pressure shaping

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}
528.~.~ Including internal cooling of the article after fluid pressure shaping

DEFINITION

Classification: 264/528

Including internal cooling of the article after fluid pressure shaping:

(under subclass 523) Processes in which a fluid cooling medium is introduced into the molded work or article.

(1) Note. This subclass does not include the use of an internal mold part or accessory, for example, a cooled mandrel to effect internal cooling.