| 摘要 |
FIELD: technological processes. ^ SUBSTANCE: invention is related to pipeline transport and is used in repair of pipelines, mostly main pipelines. Section of pipeline is drained from transferred medium, sealing devices are installed, damaged section of pipeline is removed and new section of pipeline is installed in its place. Sealing devices are inserted into pipeline prior to removal of pipeline damaged section, which reduces amount of transferred medium that is removed during pipeline drain. ^ EFFECT: simplifies and accelerates repair works. ^ 2 cl, 1 dwg |
