Patents Assigned to Engineered Performance Materials Co., LLC
  • Method and apparatus for equal channel angular extrusion of flat billets
    Patent number: 7380432
    Abstract: The invention comprises a method and apparatus for equal channel angular extrusion (ECAE) of flat billets to control material structure and properties. The improvements of the method include the special systems of billet orientations, billet lubrication, billet ejection from dies, and a press/die control system those eliminate surface cracks, flashes and billet reshaping or deburring between passes. Therefore, multi-pass ECAE becomes a cost-effective industrial operation and may be applied to large billets.
    Type: Grant
    Filed: February 6, 2007
    Date of Patent: June 3, 2008
    Assignee: Engineered Performance Materials Co., LLC
    Inventor: Vladimir M. Segal
  • Method and apparatus for equal channel angular extrusion of flat billets
    Patent number: 7191630
    Abstract: The invention comprises a method and apparatus for equal channel angular extrusion (ECAE) of flat billets to control material structure and properties. The improvements of the method include the special systems of billet orientations, billet lubrication, billet ejection from dies, and a press/die control system those eliminate surface cracks, flashes and billet reshaping or deburring between passes. Therefore, multi-pass ECAE becomes a cost-effective industrial operation and may be applied to large billets.
    Type: Grant
    Filed: June 14, 2004
    Date of Patent: March 20, 2007
    Assignee: Engineered Performance Materials Co., LLC
    Inventor: Vladimir M Segal