Patent ID: 6413072
Filing Date: 2002-07-02
Classification: B28B,B29C,B29L

Abstract:
An extrusion die having an inlet face and an outlet face comprising:at least one batch feed hole of a given diameter communicating with said inlet face for receiving batch material, said at least one batch feed hole having an exit end intermediate said inlet and outlet faces, a stressor component having a stressor hole portion co-axial with said at least one batch feed hole and a diameter less than the given diameter of said at least one batch feed hole positioned adjacent said exit end of said at least one batch feed hole and having a stressor exit end also intermediate said inlet and outlet faces, a feedhole extension or transition section of larger diameter than said stressor hole section and co-axial with said at least one batch feed hole positioned adjacent to said stressor exit end for restoring batch material flow to an original condition; and discharge means communicating with said outlet face for discharging batch material from the die.