F - Mech Eng,Light,Heat,Weapons – 23 – D
Patent
F - Mech Eng,Light,Heat,Weapons
23
D
158/31
F23D 14/82 (2006.01) F23D 14/52 (2006.01)
Patent
CA 1229787
ABSTRACT OF THE DISCLOSURE An improved heating torch having the usual fuel and oxygen passageways and valves for controlling the flow of the respective components, mixer for mixing fuel and oxygen, and tip for flowing the admixture exteriorly thereof for burning to heat a work piece or the like, the improvement being characterized by a multiple piece tip that is spring loaded such that one or more internals can be spring loaded to be retained within a shell that is affixed to an end piece of the tip. The end piece fastens to the end of an elbow connected with the mixer, and has the shell disposed about the end piece; and one or more tip internals are disposed inside and biased toward their normal assembled position by a spring or the like. Different sized heating tips are readily formed by simply adding internals and larger sized end pieces and shells to form one or more rings of grooves defined by splines that can be easily manufactured and assembled. In addition, the heating torch tip is amenable to underwriter approval, since it alleviates problems with flashback and burning due to striking of a heating tip against a work piece or other objects during handling.
474454
Barrigar & Oyen
Victor Equipment Company
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