Self-extinguishing burning bar

Details Self-extinguishing burning bar Self-extinguishing burning bar

B - Operations, Transporting

23

K

B23K 7/08 (2006.01) B23K 5/00 (2006.01) B23K 35/02 (2006.01) E21B 7/14 (2006.01)

Patent

CA 2198442

A metallic pipe may be used as a burning bar if the pipe contains wires. The wires are usually steel but may be combinations of steel wires, aluminum wires, magnesium wires and the like. To use the burning bar one end is heated to at least red hot condition. Oxygen is then pumped down the pipe and the pipe then produces a self-sustaining high temperature, high heat flame. A burning bar may be used for demolition and similar uses. In this improved burning bar, the wires within the pipe are arranged so that the wires do not extend the full length of the pipe. There is a portion of the pipe adjacent to the end of the pipe held by the operator which does not contain any wires. The pipe is thus self extinguishing at the point where the wires cease thereby providing safety to the operator and economic advantages.

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