A method of cutting with highly pure - and high pressure oxygen

摘要

A method for cutting steel and steel alloys uses, as the cutting gas, oxygen of high purity containing at most 0.1% of impurities at high pressure, of at least 106 Pa. An Independent claim is also included for a device able to put this method of oxy-cutting into service and comprises a blowtorch fitted with a tuyere with a convergent/divergent profile.