Patents Assigned to Tungsten Industries, Inc.
  • Patent number: 6164876
    Abstract: A cutting tool having a body that is cylindrical in shape having a shank at one end and a cutting end opposite thereof. The cutting end has an even number of flutes thereon with every other flute being a cutting flute, such as a knuckle flute including a radial knuckle flute and a flat crested knuckle flute, or a diamond cut flute that cuts material. Every other flute therebetween the cutting flutes are wiper flutes that wipe or clean the cut material. The wiper flutes have a larger diameter than the cutting flutes thereby enabling the wiper flutes to remove any unnecessary debris and finish the material in a single step.
    Type: Grant
    Filed: October 30, 1999
    Date of Patent: December 26, 2000
    Assignee: Tungsten Industries, Inc
    Inventor: James S. Cordovano
  • Patent number: 4550532
    Abstract: Disclosed is a process which produces precision ground articles such as tungsten carbide burs without the use of skilled craftsmen. An automatic apparatus is described which is capable of performing the motions necessary to produce a machined given object and includes a control system for automated bur grinding. The process also converts geometric bur definitions into instructions that will produce the proper actions by the automated grinding.
    Type: Grant
    Filed: November 29, 1983
    Date of Patent: November 5, 1985
    Assignee: Tungsten Industries, Inc.
    Inventors: George R. Fletcher, Jr., George H. Messick, Jr., Charles K. Roby, Cecil O. Huey, Jr.