Magnetic cleaning pig

Details Magnetic cleaning pig Magnetic cleaning pig

1995-01-17

1995-10-31

Roberts, Jr., Edward L.

Brushing, scrubbing, and general cleaning

Implements

Pipe, tube, or conduit cleaner

209215, B08B 904

Patent

active

054617464

ABSTRACT:
A magnetic disc for a cleaning device which is passed through a pipeline having a cylindrical internal wall. The magnetic disc includes a flexible circular disc body perpendicular to the cylindrical wall, the disc body having a plurality of radially spaced openings therethrough. A magnet is installed in each opening in the disc body, each magnet having poles oriented axially with the cylindrical wall. A pair of opposed retainer plates for each magnet are fastened to the disc body to retain the magnet in the disc body and to extend the magnetic field of action.

REFERENCES:
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patent: 4077080 (1978-03-01), Ross
patent: 4113611 (1978-09-01), Gohm
patent: 4345350 (1982-08-01), Burd
patent: 4767603 (1988-08-01), Byrd et al.
patent: 4907314 (1990-03-01), Kershaw
patent: 4945306 (1990-07-01), Lowther
patent: 5035021 (1991-07-01), LeDevehat
patent: 5127125 (1992-07-01), Skibowski

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