FIELD: pipeline construction.
SUBSTANCE: method comprises removing deposits the inner side of the pipeline, grinding the inner sharp edges, and control of the condition of the inner side of the pipeline. For this purpose, a section of rigid polymeric pipe is pulled through the pipe line throughout its length. The protecting member made of a rigid polymeric pipe is set from the open end of the pipeline.
EFFECT: simplified method.
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Authors
Dates
2007-09-20—Published
2006-03-16—Filed