Patents by Inventor Eric Corbethau

Eric Corbethau 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).

  • Apparatus for replacing the electrodes of electric arc furnaces
    Patent number: 4665530
    Abstract: The present invention relates to a machine for replacing the electrodes of electric arc furnaces.Machine characterized in that the sheath (3) is provided, between its gripping chucks, with a centering chuck (7), in that the upper chuck (4) is provided with an expansible support (8) limiting its opening, and with pinions (9) for driving the gripping spiral of the retractable jaws (10), and in that the device (6) for driving in rotation the sheath (3), is constituted by a screw (11)-nut (12) assembly for the translatory movement of the sheath (3), by motors (13) for final screwing of the electrode, and by a device (14) for driving in rotation and braking the sheath (3), the assembly of the control elements being actuated pneumatically.
    Type: Grant
    Filed: December 7, 1984
    Date of Patent: May 12, 1987
    Inventor: Eric Corbethau