Patents by Inventor Bernard Racouchot

Bernard Racouchot has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Method for manufacturing a gas delivery device
    Patent number: 4246216
    Abstract: A method of making a gas delivery device in which a delivery conduit and a core are located in a vibratory mold, and refractory granular material with a binder are poured into the mold. The core is removed, and a porous element is inserted in the resulting recess. The assembly is then heat treated to form the completed device.The device is especially useful for degasifying aluminium, copper, and their alloys.
    Type: Grant
    Filed: April 12, 1979
    Date of Patent: January 20, 1981
    Assignee: L'Air Liguide, Societe Anonyme pour l'Etude et l'Exploitation des Procedes Georges Claude
    Inventors: Gerard Bentz, Bernard Racouchot
  • Means for injecting gas into a molten metal
    Patent number: 4179103
    Abstract: A gas delivery tube including tubular body portion of refractory material having a recess adjacent one end in which recess is housed a porous element for emitting small bubbles containing the gas. The body portion is provided with an internal gas inlet pipe, one end of which opens into an internal chamber in communication with said recess while at its other end the pipe terminates in means enabling it to be connected to a supply of gas.The delivery tube is especially useful for degasifying aluminium, copper, and their alloys.
    Type: Grant
    Filed: January 30, 1978
    Date of Patent: December 18, 1979
    Assignee: L'Air Liquide, Societe Anonyme Pour L'Etude Et L'Exploitation Des Procedes Georges Claude
    Inventors: Gerard Bentz, Bernard Racouchot