Patent ID: 6848143

Claim:
A tool for scavenging magnetic metal debris from the inside of an elongate, generally horizontal, cylindrical, metal pipeline, which debris is generally located in the base of the pipeline beneath an access opening which has been cut in the wall of the pipeline comprising: an elongate, generally cylindrical tool body of revolution having an axis of revolution, and an end region disposed along said axis, said tool body being freely insertable into, and withdrawable from, the interior of the pipeline through the access opening, said end region including a generally planar end face which lies substantially normal to said axis, plural, elongate sockets having long axes, and extending into said tool body with their respective long axes generally paralleling said tool body's axis of revolution, said sockets opening to said face at plural, spaced locations distributed angularly about said axis of revolution, and plural, permanent magnets secured in a recessed fashion, and one each, within said sockets for behavior as a unit with said tool body, each of said magnets being outwardly exposed where its associated socket opens to said face.