DEVICE FOR CLEANING INNER SURFACE OF PIPELINE Russian patent published in 2003 - IPC

FIELD: pipelines. SUBSTANCE: invention relates to devices designed for cleaning inner surfaces of pipelines. Proposed device contains housing and cleaning and alignment disks installed coaxially of housing. Cleaning disks are made in form of working and standby self-release disks. Each cleaning disk has body with cover and split ring arranged in body and having greater than inner diameter of pipeline and provided with clamping stud and resilient member installed on inner surface of ring. Each standby disk is furnished additionally with protective strips secured on radius of split ring. EFFECT: simple design, increased service life provision of high quality of cleaning. 3 cl, 5 dwg