Importance

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Abstract

A repair liner for repairing a lateral/main pipe junction and method of using the same to identify a lateral sewer pipe are disclosed. The repair liner includes a radio-frequency identification transponder capable of transmitting an identification signal that is unique to the repair liner. The method comprises the steps of: Providing a repair liner for repairing a lateral/main pipe junction, the repair liner including a radio-frequency identification transponder capable of transmitting a identification signal that is unique to the repair liner; bonding the repair liner to one or both of lateral and main sewer pipes at a lateral/main pipe junction, whereby the radio-frequency identification transponder is positioned proximate the lateral/main pipe junction; providing a mobile device for moving in the main sewer pipe, the mobile device including a radio-frequency identification reader capable of detecting the identification signal transmitted by the radio-frequency identification transponder when the mobile device is positioned proximate the radio-frequency identification transponder; and moving the mobile device in the main sewer pipe so that the mobile device is positioned proximate the radio-frequency identification transponder so as to detect the identification signal transmitted by the RFID transponder.

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First Claim