Conduit scraping device for industrial, chemical or agro-feed industries

摘要

A scraping shell (10) is engaged inside the conduit and is propelled along it by a pressurized fluid. The scraping shell comprises a series of axially spaced scraping discs arranged transverse to the conduit axis. The shell comprises a rear propelling segment which is radially delimited by an external truncated surface (24) which is widened toward the rear.