Pipeline flaw detector and marker
First Claim
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1. IN APPARATUS FOR INSPECTING FERROMAGNETIC TUBULAR GOODS, SAID APPARATUS BEING ADAPTED TO BE PROPELLED THROUGH THE INTERIOR OF SAID GOODS, THE COMBINATION OF MAGNETIC MEANS OPERATIVE TO CHARACTERISTICALLY MAGNETIZE PORTIONS OF SAID TUBULAR GOODS, AT LEAST ONE DETECTOR SHOE MOUNTED TO SCAN THE INNER WALL OF SAID GOODS TO DETECT FLAWS IN THOSE PORTIONS BEING SCANNED, AND MEANS CONNECTED TO SAID DETECTOR SHOE AND TO SAID MAGNETIC MEANS TO OPERATE SAID MAGNETIC MEANS TO CHARACTERISTICALLY MAGNETIZE THOSE PORTIONS OF SAID GOODS WHICH CONTAIN FLAWS.
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1 Claim
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1. IN APPARATUS FOR INSPECTING FERROMAGNETIC TUBULAR GOODS, SAID APPARATUS BEING ADAPTED TO BE PROPELLED THROUGH THE INTERIOR OF SAID GOODS, THE COMBINATION OF MAGNETIC MEANS OPERATIVE TO CHARACTERISTICALLY MAGNETIZE PORTIONS OF SAID TUBULAR GOODS, AT LEAST ONE DETECTOR SHOE MOUNTED TO SCAN THE INNER WALL OF SAID GOODS TO DETECT FLAWS IN THOSE PORTIONS BEING SCANNED, AND MEANS CONNECTED TO SAID DETECTOR SHOE AND TO SAID MAGNETIC MEANS TO OPERATE SAID MAGNETIC MEANS TO CHARACTERISTICALLY MAGNETIZE THOSE PORTIONS OF SAID GOODS WHICH CONTAIN FLAWS.
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Current AssigneeFenton M. Wood, Harold J. Schneider
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Original AssigneeFenton M. Wood, Harold J. Schneider
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InventorsWood, Fenton M., Schneider, Harold J.
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Application NumberUS04/115,243Time in Patent Office1,729 DaysField of SearchUS Class Current324/220CPC Class CodesF16L 2101/30 Inspecting, measuring or te...G01N 27/902 by moving the sensorsG01N 27/9093 Arrangements for supporting...
