US PATENT SUBCLASS 264 / 328.5
.~.~.~.~.~.~ With preformed charge


Current as of: June, 1999
Click HD for Main Headings
Click for All Classes

Internet Version by PATENTEC © 1999      Terms of Use



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  DF  .~.~.~.~.~ Utilizing a transfer chamber {1}
328.5.~.~.~.~.~.~ With preformed charge


DEFINITION

Classification: 264/328.5

With preformed charge:

(under subclass 328.4) Processes in which the material to be molded is a preform.