Scavenging metallic debris from buried metal pipelines

Details Scavenging metallic debris from buried metal pipelines Scavenging metallic debris from buried metal pipelines

2005-02-01

2005-02-01

Carrillo, Sharidan (Department: 1746)

Brushing, scrubbing, and general cleaning

Implements

C015S104068, C015S104030, C015S104050, C015S104090, C015S104095, C294S065500, C134S006000, C134S008000, C134S022100, C134S022110, C134S042000

Reexamination Certificate

active

06848143

ABSTRACT:
A metal-debris magnetic scavenging tool useable inside a buried, horizontal metallic pipeline through an access opening which has been cut into the upper wall portion of the pipeline overhead where the resulting debris has collected. A raiseable/lowerable and rotatable array of magnets, surface exposed, and operating moveably as a unit, agitate and collect debris principally within an area-footprint which allows for clearance lifting and removal of collected debris through the access opening.

REFERENCES:
patent: 2734767 (1956-02-01), Donham
patent: 2891621 (1959-06-01), Walton et al.
patent: 3011819 (1961-12-01), Moseley, Jr.
patent: 6312138 (2001-11-01), Coleman, et al.
patent: 20040069322 (2004-04-01), Schneider

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