Patents Assigned to Universal Optical Company, Inc.
  • Molded plastic parts, particularly spin-cast plastic parts for eyeglass frames
    Patent number: 4294792
    Abstract: Disclosed are molded plastic parts particularly eyeglass frame components, the centrifugal spin-casting of such parts and mold apparatus for producing such parts. Also disclosed are flexible molds for spin-casting eyeglass fronts and temples. In accordance with one aspect of the invention, the plastic parts are made from a resin system or mixture in liquid form comprising an epoxy resin, a curing agent therefore and an ultra-violet absorber and/or an antioxidant. DGEBA-type epoxy resins and polyoxypropylenediamine curing agents are the disclosed preferred epoxy resin and curing agent.
    Type: Grant
    Filed: October 27, 1978
    Date of Patent: October 13, 1981
    Assignee: Universal Optical Company, Inc.
    Inventors: Irving J. Arons, Richard E. Merrill, Arthur P. Drennan
  • Eye glass frame
    Patent number: D261771
    Type: Grant
    Filed: November 13, 1979
    Date of Patent: November 10, 1981
    Assignee: Universal Optical Company, Inc.
    Inventor: Howell S. Jobbins, Jr.