Forming, maintaining or circulating atmospheres in heating chambers

Classification Context

Section:

MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING

Class:

FURNACES; KILNS, OVENS OR RETORTS

Subclass:

DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE

Child Classifications

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• F27D 7/02 Supplying steam, vapour, gases or liquids
• F27D 7/04 Circulating atmospheres by mechanical means
• F27D 7/06 Forming or maintaining special atmospheres or vacuum within heating chambers