Patents Assigned to Advance Trenchless Rehabilitation Systems
  • Patent number: 5606997
    Abstract: A method and lining for rehabilitating a pipe or conduit. The method comprising providing a heat curable resin impregnated lining with first and second conductive strips extending lengthwise through the lining from a first end to a second end and separated circumferentially by non-conductive material. Connecting the conductive strips together at said second end and causing a current to flow through said first conductive layer from said first end to said second end of said lining, and through said second conductive lining from said second end to said first end. The lining having a plurality of conductive strips extending lengthwise through the lining.
    Type: Grant
    Filed: April 28, 1995
    Date of Patent: March 4, 1997
    Assignee: Advance Trenchless Rehabilitation Systems
    Inventors: Richard D. Blackmore, Mark T. Sloan