Patent ID: 6380743
Filing Date: 2002-04-30
Classification: G01V

Abstract:
A traceable push rod for insertion and advancement into a conduit and having a predetermined length comprising:an inner layer, an intermediate layer and an outer layer, the inner layer characterized as being electrically conductive, the intermediate layer characterized as being electrically insulative, the outer layer characterized as being water proof; a first end and a second end, the first end having at least one sonde receiving terminal, the second end adapted for communication with a power source, the power source adapted to provide an electric current to the inner layer, the inner layer constructed and arranged to emit an electromagnetic signature that is readable and detectable by a first detector when said inner layer is exposed to the electric current; a sonde wherein a portion of the sonde is adapted for receipt onto the sonde receiving terminal, the sonde constructed and arranged to emit a sonde signal detectable with a second detector; a first detector adapted to detect and read an electromagnetic signature; a second detector adapted to detect and read a sonde signal.