Patents Assigned to L'Air Liquide Societe Anoneyme pour l'Etude et l'Exploitation des Procedes Georges Claude
  • Oxygen cutting torch with a liquid oxygen jet
    Patent number: 5497943
    Abstract: A torch includes a sheath enclosing various feed streams for active cutting fluids and cooling fluid, terminated by a distribution unit in which a cutting head is removably mounted. The cutting head includes a heating unit provided with channels for ejection of a combustible oxygen mixture, an intermediate insert forming the ejection nozzle for gaseous shielding oxygen, and a central insert for ejection of liquid oxygen under pressure.
    Type: Grant
    Filed: January 15, 1994
    Date of Patent: March 12, 1996
    Assignee: L'Air Liquide Societe Anoneyme pour l'Etude et l'Exploitation des Procedes Georges Claude
    Inventors: Jean-Christophe Charbonnel, Richard Soula, Serge Suzon