Patents Assigned to Dill Engineering, Inc.
  • Carbon electrode cleaning system and method
    Patent number: 6231430
    Abstract: The present invention is directed to improved apparatus' for dislodging and abrading cryolite encrustations from carbon anodes spent during aluminum smelting. Both the plow blade and flailing elements of the present invention are constructed and arranged to substantially conform to the shape of the spent carbon butts to facilitate rapid and efficient cleaning of the spent carbon anodes' surfaces. Systems and methods employing the substantially V-shaped plow blade extension and dual directional rotating flailing assemblies are also disclosed.
    Type: Grant
    Filed: September 29, 1999
    Date of Patent: May 15, 2001
    Assignee: Dill Engineering, Inc.
    Inventor: Raymond J. Dill