Underground pipe repair device with radial annular spacers and related systems and methods
Abstract:
An underground pipe repair device is for a joint between a service pipe and a branch pipe. The underground pipe repair device may include a first T-shaped joint liner having a base portion extending laterally in the service pipe, and an arm portion extending vertically into the branch pipe. The underground pipe repair device may include a first annular spacer aligned with an opening in the branch pipe and being coupled to an underside of the first T-shaped joint liner, a second annular spacer aligned with the opening in the branch pipe and being coupled to the underside of the first T-shaped joint liner, the first annular spacer being radially within the second annular spacer, and a third annular spacer aligned with the opening in the branch pipe and being coupled to the underside of the first T-shaped joint liner.
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