US PATENT SUBCLASS 264 / 328.9
.~.~.~.~ Including operation or design to minimize formation of gate, sprue, or flash

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}
328.9.~.~.~.~ Including operation or design to minimize formation of gate, sprue, or flash

DEFINITION

Classification: 264/328.9

Including operation or design to minimize formation of gate, sprue, or flash:

(under subclass 328.1) Processes in which the process is carried out so as to minimize or eliminate the formation of undesired waste material.