Exterior Drum Patents (Class 122/163)
  • Patent number: 4694547
    Abstract: An improved one-piece metal jacket for insulated pipe elbows, bends and/or turns having a central metal spine spaced apart along which a plurality of opposed pairs of metal fingers extend sufficiently to overlap, longitudinally and traversely forming a weatherproof covering and fasteners to hold the fingers in place.
    Type: Grant
    Filed: February 6, 1986
    Date of Patent: September 22, 1987
    Inventor: Edison L. Broussard