US PATENT SUBCLASS 264 / 87
.~ By direct application of vacuum or pneumatic pressure

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

86  DF  REMOVAL OF LIQUID COMPONENT OR CARRIER THROUGH POROUS MOLD SURFACE {1}
87.~ By direct application of vacuum or pneumatic pressure

DEFINITION

Classification: 264/87

(under subclass 86) Processes which include the use of pneumatic pressure or that created by a vacuum effect directly applied to the liquid to aid in removal of the liquid through the mold surface.