Patents Assigned to Northwest Research Institute, Inc.
  • Method of treating ceramics for use as tips in saws and other tools or other structures
    Patent number: 6322871
    Abstract: A method of processing a ceramic body, such as a saw tip so that the ceramic body can be bonded to a substrate, such as a saw blade. The ceramic body is desirably a cermet, and it is first cleaned, preferably using sodium hydroxide. After this, the ceramic body is etched by an acid, after which a metallic coating is applied to the bonding surface either by electrolysis by an electroless process. Then the ceramic body is either brazed or welded to the substrate.
    Type: Grant
    Filed: October 2, 1998
    Date of Patent: November 27, 2001
    Assignee: Northwest Research Institute, Inc.
    Inventors: Thomas J. Walz, Issak S. Rossovsky