Patents Represented by Law Firm Lotman, McMahon & Brown
  • Spot-welded end fitting for flexible metal piping
    Patent number: 5362113
    Abstract: A flexible piping and fitting assembly includes a section of flexible piping formed by spiral-winding a band with interlocking leading and trailing edges. The piping includes a bore. A fitting with a generally cylindrical inner section, an annular band an outer section in connected to the piping by spot-welding at multiple locations. The spot-welds can be circumferentially spaced and can extend through multiple layers of the flexible piping and into the fitting.
    Type: Grant
    Filed: September 2, 1992
    Date of Patent: November 8, 1994
    Assignee: Tru-Flex Metal Hose Corp.
    Inventor: Roy W. Thomas