US PATENT SUBCLASS 264 / 224
.~.~ With flexible inversion of a forming surface

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

219  DF  WITH STEP OF MAKING MOLD OR MOLD SHAPING, PER SE {1}
220  DF  .~ Utilizing surface to be reproduced as an impression pattern {4}
224.~.~ With flexible inversion of a forming surface

DEFINITION

Classification: 264/224

(under subclass 220) Processes in which a surface which is to be reproduced either in making a molding form or a final article is inverted inside out by resilient flexing or deforming.