US PATENT SUBCLASS 264 / 567
.~.~.~.~.~ With reheating of work (e.g., tempering, annealing, etc.)

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}
563  DF  .~.~ Producing a tubular product {1}
564  DF  .~.~.~ Including deformation by application of fluid pressure {2}
566  DF  .~.~.~.~ With application of external pressure or vacuum {3}
567.~.~.~.~.~ With reheating of work (e.g., tempering, annealing, etc.)

DEFINITION

Classification: 264/567

With reheating of work (e.g., tempering, annealing, etc.):

(under subclass 566) Processes in which a hollow article is

reheated before the application of differential fluid pressure.

(1) Note. This subclass includes tempering or annealing of a hollow continuous or running length article before blowing.