Alternating tip run process for pipe cleaning

Details Alternating tip run process for pipe cleaning Alternating tip run process for pipe cleaning

1995-12-13

1997-03-04

Warden, Jill

Cleaning and liquid contact with solids

Processes

Using solid work treating agents

134 2211, B08B 904

Patent

active

056075138

ABSTRACT:
A process for pipe cleaning using a cleaning module which is propelled through the pipe by a hydraulic fluid and has at least two cleaning tips attached in a particular alternating sequence. The hydraulic fluid is inspected to determine when no further abrasive cleaning is required. When such a determination is made, another tip is applied to finish the surface of the pipe.

REFERENCES:
patent: 3546642 (1968-05-01), Frederick et al.
patent: 3573985 (1968-08-01), Schultz
patent: 3704478 (1972-12-01), Vernooy
patent: 4244073 (1981-01-01), Sagawa
patent: 5032185 (1991-07-01), Knapp
patent: 5150493 (1992-09-01), Sivacoe
patent: 5265302 (1993-11-01), Sivacoe
patent: 5358573 (1994-10-01), Sivacoe
patent: 5431545 (1995-07-01), Knight et al.

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