Patents by Inventor Danielle Convers

Danielle Convers 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).

  • Electrode for electrical discharge machining
    Patent number: 4287404
    Abstract: An electrode for machining a workpiece by electrical discharges, the electrode having an active surface comprising at least 50% by weight of a metal or alloy selected from the group consisting of zinc, cadmium, tin, lead, antimony and bismuth. Preferably, the active surface is in the form of a coating electrolytically plated on the surface of a conventional metallic wire having good mechanical characteristics. The invention contemplates continuously plating a metallic filament electrode such as an electrode wire with the active surface coating after the electrode wire has been used for machining a workpiece by EDM.
    Type: Grant
    Filed: February 26, 1979
    Date of Patent: September 1, 1981
    Assignee: Ateliers des Charmilles, S.A.
    Inventors: Danielle Convers, Francois Balleys, Jean Pfau