US PATENT SUBCLASS 264 / 630
.~.~ Producing honeycomb shape


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}
629  DF  .~ Producing article having plural hollow channels {1}
630.~.~ Producing honeycomb shape {1}
631  DF  .~.~.~> From cordierite (i.e., 2MgO.2A12O3.5SiO2, iolite)


DEFINITION

Classification: 264/630

Producing honeycomb shape:

(under subclass 629) Process wherein the article produced has a continuous parallel orderly series of open or empty, usually hexagonal, interconnected macrostructural cells which resemble a natural honeycomb.

SEE OR SEARCH THIS CLASS, SUBCLASS:

41, for in situ processes of internally forming pores or voids in an article or material by occluding or incorporating void forming or void producing elements or ingredients randomly throughout the plastic forming material.