Patents Represented by Attorney Ramond W. Green

Find this attorney in the Justia Lawyer Directory

  • Production of high strength carbide fibers by heat treatment
    Patent number: 3971840
    Abstract: A process for strengthening carbide fibers by removing internal stresses caused by their formation. This process is accomplished by drawing the carbide fiber under tension through a furnace. The temperature of the furnace may range from about 2050.degree. to 2300.degree.C while the fiber tensile stress may vary from about 200 to 3500 p.s.i. when using boron carbide fibers with diameters ranging from about 8 to 14 microns.
    Type: Grant
    Filed: March 27, 1973
    Date of Patent: July 27, 1976
    Assignee: The Carborundum Company
    Inventors: James Economy, Ruey Y. Lin, William D. Smith