Patents Assigned to Polymetrics Corporation
  • Reinforced foam composites
    Patent number: 4680214
    Abstract: There is disclosed a polyurethane foam of the rigid type having three different types of polyol components capable of having suspended therein fillers and reinforcing fibers. The foam is made into boards and the like and has continuous fiber glass strands or yarn disposed longitudinally in or adjacent the surface skin of the foam. The strands or yarn are parallel and close together and are flattened out in the foam-forming process so that the surfaces have a continuous fiber glass implant longitudinally and substantially so transversely.
    Type: Grant
    Filed: March 12, 1986
    Date of Patent: July 14, 1987
    Assignee: Polymetrics Corporation
    Inventors: Kurt C. Frisch, Kaneyoshi Ashida