US PATENT SUBCLASS 264 / 2.3
.~.~ With mold adherence or release

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

1.1  DF  OPTICAL ARTICLE SHAPING OR TREATING {11}
2.2  DF  .~ Changing mold size or shape during molding or with shrinkage compensation {2}
2.3.~.~ With mold adherence or release

DEFINITION

Classification: 264/2.3

With mold adherence or release:

(under subclass 2.2) Processes in which materials or conditions are chosen such that the adherence of the molding material to the mold is facilitated or a specific method of release of the optical article or the use of a named release agent is claimed.