US PATENT SUBCLASS 264 / 319
.~.~ Applying heat or pressure


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

239  DF  MECHANICAL SHAPING OR MOLDING TO FORM OR REFORM SHAPED ARTICLE {10}
299  DF  .~ Shaping against forming surface (e.g., casting, die shaping, etc.) {10}
319.~.~ Applying heat or pressure {6}
320  DF  .~.~.~> Reshaping solid work or introducing solid work into mold cavity {5}
327  DF  .~.~.~> Differential heating or cooling in mold
328.1  DF  .~.~.~> Introducing material under pressure into a closed mold cavity (e.g., injection molding, etc.) {9}
330  DF  .~.~.~> Organic material shaping {1}
332  DF  .~.~.~> Fusing or melting inorganic material
333  DF  .~.~.~> Inorganic hydraulic settable material shaping


DEFINITION

Classification: 264/319

(under subclass 299) Processes in which the material, while being shaped (1) is raised in temperature or (2) is subjected to an increase in pressure.