Cleaning furnace tubes; Cleaning flues or chimneys

Full Title

Removing solid residues from passages or chambers beyond the fire, e.g. from flues by soot blowers > Cleaning furnace tubes; Cleaning flues or chimneys

Classification Context

Section:

MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING

Class:

COMBUSTION APPARATUS; COMBUSTION PROCESSES

Subclass:

REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES