Patents Represented by Law Firm Dority and Manning
  • Boron fibers having improved tensile strength
    Patent number: 5399430
    Abstract: The invention is a continuous, substrate-free fiber comprising amorphous boron having a tensile strength ranging from about 750 kpsi to over 1000 kpsi, and a diameter which may be varied with the number or diffraction limited laser focal spot size to provide fiber diameter as small as 0.01 micron.
    Type: Grant
    Filed: April 1, 1992
    Date of Patent: March 21, 1995
    Assignee: Clemson University
    Inventor: Paul C. Nordine
  • Press felt for use in papermaking machine
    Patent number: 4973512
    Abstract: A press felt for use in a papermaking machine. The press felt includes a base fabric produced of polybutylene terephthalate having a batt of chlorine resistant fibers secured to at least an upper surface of the base fabric, and preferably to both sides of the base fabric. The base fabric preferably has a plurality of noncircular monofilament warp or machine direction ends and a plurality of round monofilament shute or machine direction ends interwoven therewith according to a predetermined weave pattern.
    Type: Grant
    Filed: April 3, 1990
    Date of Patent: November 27, 1990
    Assignee: Mount Vernon Mills, Inc.
    Inventors: William J. Stanley, William P. Irwin, Jr.