| 摘要 |
PROBLEM TO BE SOLVED: To assist combustion of acetylene with oxygen in air by compressing air in the atmosphere and by increasing 0.3 Mpa pressure, because a gas welding machine such as a copper pipe takes oxygen required for combustion out of a high pressure vessel and the high pressure vessel is dangerous. SOLUTION: Compressed air is used in the gas welding machine, the heater, and a stabilizer. The stabilizer is disposed in a nozzle to stabilize combustion gas. COPYRIGHT: (C)2006,JPO&NCIPI
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