Method of and Apparatus for Cleaning Tubular Bodies

Author:  Bottorf, Harry F.
Source:  US Patent 2,117,648
Doc ID:  1938001
Year of Publication:  1938
Abstract:  
This invention relates to methods of and apparatus for cleaning the inner walls of tubular bodies and it is more particularly concerned with methods of and apparatus for cleaning comparatively small diameter tube pipes, such as boiler tubes and the like, but it is not limited to such use.