Patents Assigned to Cincinnati Millacron, Inc.
  • Patent number: 3986847
    Abstract: A vitreous bonded cubic boron nitride grinding wheel is provided which optionally contains silicon carbide or other abrasive having a coefficient of thermal expansion substantially the same as the coefficient of thermal expansion of cubic boron nitride, and wherein the vitreous bond, having a coefficient of thermal expansion substantially the same as the coefficient of thermal expansion of cubic boron nitride, is substantially non-reactive with cubic boron nitride and the optional abrasive.
    Type: Grant
    Filed: April 7, 1975
    Date of Patent: October 19, 1976
    Assignee: Cincinnati Millacron, Inc.
    Inventor: Peter Charles Balson