Rotary appliances

Classification Context

Section:

MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING

Class:

HEAT EXCHANGE IN GENERAL

Subclass:

CLEANING OF INTERNAL OR EXTERNAL SURFACES OF HEAT-EXCHANGE OR HEAT-TRANSFER CONDUITS, e.g. WATER TUBES OF BOILERS

Child Classifications

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• F28G 3/02 having abrasive tools
• F28G 3/04 having brushes
• F28G 3/06 having articulated tools, e.g. assembled in chain manner
• F28G 3/08 having coiled wire tools, i.e. basket type
• F28G 3/1 having scrapers, hammers, or cutters, e.g. rigidly mounted
• F28G 3/16 using jets of fluid for removing debris