Patents by Inventor Pierre R. Auchapt

Pierre R. Auchapt 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).

  • Process for the remote coating of the surfaces of a cavity, as well as the application of this process
    Patent number: 4504524
    Abstract: A process for remotely fixing toxic dust, such as plutonium oxide, on the surfaces of a sealed cavity defining an airlock between two enclosures containing toxic material which are sealingly coupled to each other, so as to avoid contamination of the atmosphere upon uncoupling of the enclosures. The cavity is filled through an inlet zone with a solution of silicone grease in a solvent, such as freon, which is capable of wetting the surfaces of the cavity. The solvent is vaporized and evacuated from the cavity such that the silicone grease is deposited on the surfaces of the cavity to fix the toxic dust thereto.
    Type: Grant
    Filed: December 7, 1982
    Date of Patent: March 12, 1985
    Assignee: Commissariat a l'Energie Atomique
    Inventors: Pierre R. Auchapt, Aime J. Ferlay