Steel-Cleaning Machine

Author:  Carter, A.
Source:  US Patent 1,568,958
Doc ID:  1926001
Year of Publication:  1926
Abstract:  
This invention relates to a machine for cleaning the surface of steel shapes of cylindrical form and more particularly for cleaning the tubes of boilers of the locomotive type; namely a machine for removing the scale from the exterior of the fire tubes or flues of a boiler. The invention has for its object the provision of a machine for automatically feeding the tubes through a cleaning zone at a predetermined speed, while at the same time causing the tubes to be rotated so as to subject the entire exterior surface, during a single passage, to the action of a suitable abrasive material under pressure.