Oxygen-fuel cutting torch

Details Oxygen-fuel cutting torch Oxygen-fuel cutting torch

1975-01-16

1976-04-06

Lake, Roy

Metallurgical apparatus

With control means responsive to sensed condition

With means responsive to condition of treated material

266 23R, 29157C, 29DIG47, B23K 700

Patent

active

039484963

ABSTRACT:
An oxygen-fuel cutting torch comprises an integral aluminum body extruded to form three straight-through gas feed passages. The passages connect with a laterally mounted gas dispensing tip assembly and have dead-end terminal seals. Source oxygen is divided between a first passage and a second passage for supplying cutting oxygen and preheat oxygen respectively. Fuel gas fed through a third passage mixes with the preheat oxygen within the tip assembly, the preheat oxygen and fuel gas flow rates being adjusted by respective throttling valves. Each valve is seated in a transverse bore hole in the torch body that intersects the corresponding gas passage. Cutting oxygen is fed to the torch tip through a bore-seated valve in the first passage that is opened against spring bias by a manually operated lever.

REFERENCES:
patent: 3045328 (1962-07-01), Turner et al.

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