US PATENT SUBCLASS 264 / 677
.~ Controlling or directing flow of heated gas or exhaust within heating chamber (e.g., sintering furnace, drying chamber, etc.) or against article

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}
677.~ Controlling or directing flow of heated gas or exhaust within heating chamber (e.g., sintering furnace, drying chamber, etc.) or against article

DEFINITION

Classification: 264/677

Controlling or directing flow of heated gas or exhaust within heating chamber (e.g., sintering furnace, drying chamber, etc.) or against article:

(under subclass 603) Process wherein the circulation of heated gas, or expelled gas from a heating chamber (e.g., sintering furnace, drying chamber, etc.) or against an article is regulated.