US PATENT SUBCLASS 264 / 663
.~.~.~ Subsequent hot pressing (i.e., press molding or by gas pressure)

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}
653  DF  .~ Including plural heating steps {3}
662  DF  .~.~ Including diverse heating of article subsequent to sintering {2}
663.~.~.~ Subsequent hot pressing (i.e., press molding or by gas pressure) {1}
664  DF  .~.~.~.~> Specified temperature or pressure for hot pressing

DEFINITION

Classification: 264/663

Subsequent hot pressing (i.e., press molding or by gas pressure):

(under subclass 662) Process wherein the subsequent heating is a step of hot mechanical pressing or application of a hot gas pressure greater than ambient pressure and temperature.