Gas burner of strand and nozzles designs strands as tubes bellowed out by inside pressure and closed apart from outlet ports and gas inlets.

摘要

The nozzle strands (10) are formed of tube sections or tubes bellied out integrally on their main body (20) by forming under elevated inside pressure and fitted out with ports (23). The tube is closed off entirely excepting the gas inlet end (15). The strands or tubes are threaded outside and inside (12) as bellied out under pressure from inside so the strands all stand open at their free endfaces. The tube or tube assembly should be made to minimum inside section of the nozzle body (20) prior to the pressure forming stage and the tube inserted into a two-part mold to fix the outside contour of the nozzle body and tube bodies (20).