Floating tube torch

Details Floating tube torch Floating tube torch

F - Mech Eng,Light,Heat,Weapons

23

D

158/24

F23D 14/42 (2006.01)

Patent

CA 1053139

Abstract of the Disclosure: A cutting torch that obviates the tendency to bow because of unequal heating of tubes therewithin and, consequently, keeps its tip at the same relative angle with respect to the material being cut, characterized by the usual tip, head, body, barrel, oxygen and fuel flow control valves and cutting oxygen valve and having the improvement of having both the pre-heat tube and the cutting oxygen tube assembly sealingly connected to the head and only one of the pre-heat tube and the cutting oxygen tube assembly sealingly and rigidly connected to the body and the other thereof slidably engaging the body so as to permit body movement longitudinally thereof to compensate for differential expansion between the slowly cooled pre- heat tube with its slow flow of oxygen and fuel and the more rapidly cooled cutting oxygen tube assembly with its periodic rapid flow of cutting oxygen. Also disclosed are specific structural details d e p i c t preferred embodiments, including a preferred type of mixing tube structure to eliminate sustained flashback burning. -2-

263683

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