Pipe cleaning method

Details Pipe cleaning method Pipe cleaning method

1988-01-19

1990-01-23

Pal, Asok

Cleaning and liquid contact with solids

Processes

Using solid work treating agents

134 7, 134 8, B08B 902

Patent

active

048956023

ABSTRACT:
A method of cleaning the interior of a pipe includes introducing a group of small spheres into the interior of the pipe, each small sphere having a number of pins driven therein in such a manner that respective heads of the pins are left exposed, applying hydraulic pressure to the group of small spheres from one side thereof, and causing the group of small spheres to flow through the interior of the pipe substantially along a hydromechanic velocity distribution curve. The small spheres form a mass within the pipe and undergo motion in accordance with a velocity distribution curve that conforms to the pipe diameter, thus making it possible to clean the interior of a pipe the diameter of which varies along its length.

REFERENCES:
patent: 3546642 (1970-12-01), Fredrick et al.
patent: 3607399 (1971-09-01), Hanselmann
patent: 4244073 (1981-01-01), Sagawa

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