Wrapped thermal torch and method

Details Wrapped thermal torch and method Wrapped thermal torch and method

1986-01-31

1987-04-28

Stallard, Wayland

Metallurgical apparatus

Means for cutting solid metal with heat, e.g., blowpipes

Having adjuvant material feed

219 69E, 219 70, B23K 924

Patent

active

046608079

ABSTRACT:
A consumable thermal torch includes inner and outer casings having a first gas flow passage defined therebetween. At least one burning rod is received in the inner casing further defining second gas flow passages. Each of the inner and outer casings is a multi-layer wrapped construction facilitating ease of assembly. The wrapped casings are formed with a powder mix including an effective amount of an exothermic adjuvant. The preferred exothermic adjuvant is magnesium. The powder mix and wrapped casings are each welded or brazed to form integral structures. The magnesium content increases the exothermic reaction temperature of the thermal torch to at least 6000.degree. F.

REFERENCES:
patent: 3591758 (1971-07-01), Clucas
patent: 4069407 (1978-01-01), Brower
patent: 4114863 (1978-09-01), Campana
patent: 4416444 (1983-11-01), Brower

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