Internal Pipeline Cleaning Device

Author:  Stoltz, Woodrow W.
Source:  US Patent 4,180,948
Doc ID:  1980013
Year of Publication:  1980
Abstract:  
A divjice adapted to move through a pipeline for cleaning the inner periphery thereof and comprising a rotatable central hub member constructed of an abrasive resistant material and having a chamber therein for receiving a supply of abrasive material, a plurality of radial passageways extending outwardly from the chamber at an angle deviating from the perpendicular of the longitudinal axis of the hub, the radial passageways being in communication with the chamber for receiving the abrasive material therefrom whereby upon rotation of the device the abrasive material will be impinged against the inner periphery of the pipeline at an angle with respect to the perpendicular of the longitudinal axis of the pipeline.