US PATENT SUBCLASS 264 / 328.4
.~.~.~.~.~ Utilizing a transfer chamber


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  DF  .~.~.~.~ Material is nonthermoplastic {3}
328.4.~.~.~.~.~ Utilizing a transfer chamber {1}
328.5  DF  .~.~.~.~.~.~> With preformed charge


DEFINITION

Classification: 264/328.4

Utilizing a transfer chamber:

(under subclass 328.2) Processes in which molding material is accumulated in a pressurized zone upstream of the injector head.