Invention Grant
US07825647B2 Method for locating buried pipes and cables 有权
定位埋管和电缆的方法

Method for locating buried pipes and cables
Abstract:
A method of locating a buried conductor such as a pipe uses an electronic transmitter to generate a signal having a predetermined frequency with is applied to the pipe via an alligator clip or other appropriate connector. A ground connection to the transmitter is established by connecting another alligator clip or other appropriate connector to a grounding sheet made of chain mail or metal cloth. A electrolyte solution is poured on the grounding sheet and/or around a portion of the surface region adjacent the grounding sheet. The signal that is re-radiated by the buried pipe is detected with a man portable locator which determines the location of the buried pipe and displays the same to a user.
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