Patents Assigned to Mech Coating Ltd.
  • Method of manufacturing of a mechanical face seal
    Patent number: 6200524
    Abstract: The present invention discloses a method of manufacturing a face seal wherein an annular groove on the face seal substrate is filled with a mixture of a metal binder and refractory metal carbide and pressed. A second metal binder layer is then placed upon the pressed mixture and a second pressing step is performed to form an integral green body of the first pressed mixture and the second metal binder layer. The integral green body is then heated to consolidate and adhere the green body to the substrate.
    Type: Grant
    Filed: April 29, 1999
    Date of Patent: March 13, 2001
    Assignee: Mech Coating Ltd.
    Inventors: Yefim Griskin, Natalya Griskin