L'air Liquide, Societe Anonyme Pour L'etude Et L'exploitation Des

Jean-Pierre Larue

Gerard Marhic

Claude Carsac

Georges Duboz

There is proposed as a plasma-producing gas, a gas containing the elements nitrogen and oxygen chemically combined in a nitrogen oxide and in particular nitrous oxide. These plasma-producing gases or mixture of gases stored in a bottle, a frame, a container, a tank, in the gaseous or liquid form at ambient or cryogenic temperature, are applicable to the plasma arc cutting of electrically conductive materials.

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Osny, France

Jean-Pierre Larue