US PATENT SUBCLASS 264 / 328.2
.~.~.~.~ Material is nonthermoplastic


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  DF  .~.~ Applying heat or pressure {6}
328.1  DF  .~.~.~ Introducing material under pressure into a closed mold cavity (e.g., injection molding, etc.) {9}
328.2.~.~.~.~ Material is nonthermoplastic {3}
328.3  DF  .~.~.~.~.~> Torodial work (e.g., tire, etc.)
328.4  DF  .~.~.~.~.~> Utilizing a transfer chamber {1}
328.6  DF  .~.~.~.~.~> Including mixing of reactants


DEFINITION

Classification: 264/328.2

Material is nonthermoplastic:

(under subclass 328.1) Processes in which curable, vulcanized, ceramic or hydrolitically settable or is otherwise identified as not softening upon reheating after molding.

(1) Note. In the absence of a clear showing to the contrary a material is presumed to be a thermoplastic.