US PATENT SUBCLASS 264 / 606
.~.~ In a tunnel or channel kiln

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}
605  DF  .~ Particular or specific manner of positioning, arranging, or conveying of plural articles or plural preforms (e.g., stacking, utilizing spacer, etc.) during sintering, vitrifying, or drying {3}
606.~.~ In a tunnel or channel kiln

DEFINITION

Classification: 264/606

In a tunnel or channel kiln:

(under subclass 605) Processes wherein an elongated essentially horizontal furnace is utilized.

SEE OR SEARCH THIS CLASS, SUBCLASS:

652, for sintering or vitrifying of a single article or preform in tunnel or channel kiln.