Apparatus for cleaning pipelines for gas, drinking water etc. comprises movable 'pig' which has substantially spherical shape and is provided on its exterior with bristles or flexible plate profiles

摘要

The apparatus for cleaning pipe lines, consisting of a movable 'pig' and beginning and end traps for such a 'pig' is characterized by the fact that the 'pig' has a substantially spherical shape, and is provided on its exterior with bristles or flexible plate profiles. The pig is preferably made of PVC.