US PATENT SUBCLASS 264 / 672
.~.~ To control or compensate shrinkage

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

603  DF  OUTSIDE OF MOLD SINTERING OR VITRIFYING OF SHAPED INORGANIC ARTICLE OR PREFORM {30}
671  DF  .~ Particular or specific manner of positioning, arranging, or conveying of single article or preform (e.g., utilizing spacer, etc.) during sintering, vitrifying, or drying {2}
672.~.~ To control or compensate shrinkage

DEFINITION

Classification: 264/672

To control or compensate shrinkage:

(under subclass 671) Process wherein an expressed purpose for positioning, arranging or conveying includes regulating contraction or uneven contraction of the article or preform during a heating or cooling operation.