Patents Assigned to United Testing Corp.
  • Publication number: 20100043537
    Abstract: There is described a novel tool and method for the isolation and pressure-testing of connections, such as welds, between a vessel and a nozzle or branch pipe. The nozzle testing tool comprises an improved seal that expands into sealing contact as testing pressure is increased. The tool can also be easily adjusted in order to accommodate variations in nozzle configuration.
    Type: Application
    Filed: July 23, 2009
    Publication date: February 25, 2010
    Applicant: United Testing Corp.
    Inventors: Horst Gotowik, Daniel Bamford, David Bamford
  • Patent number: 6601437
    Abstract: There is described a method and an apparatus for testing or isolating a section of pipe, the apparatus comprising a cylindrical mandrel for insertion into a section of pipe, the mandrel including at least one portion of progressively increasing diameter, and at least one seal disposed around the mandrel and actuatable in response to applied fluid pressure to move along the increasing diameter portion of the mandrel, causing the seal member to radially expand into sealing contact with an inner surface of the pipe.
    Type: Grant
    Filed: October 9, 2002
    Date of Patent: August 5, 2003
    Assignee: United Testing Corp.
    Inventor: Horst Gotowik