TORCH FOR GAS-FLAME WORKING OF ARTICLES Russian patent published in 1995 - IPC

FIELD: devices used in gas-flame treatment of articles. SUBSTANCE: torch has a housing one end of which is closed. On the other a nozzle is fixed; combustion chamber is located inside the housing to form space. The open end of the housing is fastened on the nozzle. The nozzle is made in the form of a combustion chamber. The outlet section of the nozzle is hermetically passed through the side wall of the housing; the above space communicates with the cooling system. The powder feeding line communicates with the nozzle in its behind-the-critical area. The nozzle communicates with the combustion chamber through a hole made in its bottom. The nozzle communicates with the powder feeding line via a pipeline located outside the housing. The nozzle is made in the form of two coaxial nozzles whose outlet areas are diametrically opposed. There is a cooling system. EFFECT: higher efficiency and reliability. 8 cl, 10 dwg