Patents Assigned to Carboloy Inc.
  • Alumina - zirconia ceramics reinforced with silicon carbide whiskers and methods of making the same
    Patent number: 4749667
    Abstract: Disclosed is a 35 to 45 volume percent silicon carbide whisker reinforced ceramic composite containing alumina and from about 5 to 21 volume percent zirconia which is used to make hard cutting tools having excellent toughness and hardness. Also disclosed are methods of producing the same.
    Type: Grant
    Filed: February 3, 1987
    Date of Patent: June 7, 1988
    Assignee: Carboloy Inc.
    Inventors: Choll K. Jun, Edward L. Exner
  • Clamping means for taper tool shanks
    Patent number: 4729702
    Abstract: A tool clamping device is provided for quickly and securely clamping rotary tooling adaptors to tool clamp blocks. The device is adaptable to semi-automatic or robotic tool switching operations and minimizes machine downtime.
    Type: Grant
    Filed: October 10, 1986
    Date of Patent: March 8, 1988
    Assignee: Carboloy Inc.
    Inventor: Walter Kelm
  • Clamping means for machine tool holders
    Patent number: 4723878
    Abstract: A clamping device for releasably securing a tooling adaptor in a tool clamp block which includes a generally cylindrical member having an eccentric slot formed about the periphery of the member for engaging the tooling adaptor in the cylindrical member whereby when the cylindrical member is rotated the tooling adaptor is drawn into and secured within the tool clamp block.
    Type: Grant
    Filed: March 16, 1987
    Date of Patent: February 9, 1988
    Assignee: Carboloy Inc.
    Inventors: Walter Kelm, Paul Newland