| 摘要 |
A torch is provided to prevent a hose of the torch from being braided and to improve workability by installing a filter for preventing the back fire inside the torch. Therefore the torch capable of preventing slipping of a hand which grasping a handle is provided. A torch comprises a head(1) inserted a bushing(1-10) to an outer surface of an inner ending part of a fire hole head(1-11) for preventing cut oxygen supplied to a cut oxygen hole(1-8) from flowing backward to a mixing gas chamber(1-5); a handle(4) puts on a grip tube(4-8) in the exterior of a handle body(4-1); a valve bundle part(3) forms a preheat control valve of gas controlling the preheat gas volume on the valve bundle; a spindle(4-7) is formed to be protruded at lower end surface of the handle body; and an oxygen gas supply bundle part(5) prevents the braided of the hose which is supplied with oxygen and gas and connects a spindle to an oxygen gas supply housing(5-1) formed a gas inlet(5-4) and an oxygen inlet(5-5) to be rotatable and shut tightly.
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