Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
B08B9/00—Cleaning hollow articles by methods or apparatus specially adapted thereto
B08B9/02—Cleaning pipes or tubes or systems of pipes or tubes
B08B9/027—Cleaning the internal surfaces; Removal of blockages
B08B9/04—Cleaning the internal surfaces; Removal of blockages using cleaning devices introduced into and moved along the pipes
B08B9/053—Cleaning the internal surfaces; Removal of blockages using cleaning devices introduced into and moved along the pipes moved along the pipes by a fluid, e.g. by fluid pressure or by suction
B08B9/057—Cleaning the internal surfaces; Removal of blockages using cleaning devices introduced into and moved along the pipes moved along the pipes by a fluid, e.g. by fluid pressure or by suction the cleaning devices being entrained discrete elements, e.g. balls, grinding elements, brushes