Patents Assigned to Preform Dies Limited
  • Extrusion die
    Patent number: 7938641
    Abstract: An extrusion die comprises a die body defining a die cavity (18). The cavity (18) is shaped such that the die body includes a male portion (24) and a female portion (26). A leading edge (18a) of a part of one side of the die cavity (18) is out of alignment with a leading edge (18a) of an opposing part of the die cavity (18), at rest, such that, in use, when deflection of parts of the die occurs, the leading edges (18a) substantially align.
    Type: Grant
    Filed: March 27, 2001
    Date of Patent: May 10, 2011
    Assignee: Preform Dies Limited
    Inventor: Edward George Feldcamp