Patents Assigned to Umwelttechnik Strobel GmbH
  • Apparatus for repairing and/or leakage testing of sewer pipes
    Patent number: 5969234
    Abstract: An apparatus for repairing and/or leakage testing of sewer pipes, in particular of connecting pipes diverging therefrom. The apparatus is constructed as a tubular member and includes an opening, wherein the apparatus can be moved in the sewer pipe. The apparatus has a bladder which can be moved out through the opening.
    Type: Grant
    Filed: February 6, 1998
    Date of Patent: October 19, 1999
    Assignee: Umwelttechnik Strobel GmbH
    Inventor: Uwe Weigele