CPC Subgroup
B08B 9/04 using cleaning devices introduced into and moved along the pipes
Full Title
Cleaning hollow articles by methods or apparatus specially adapted thereto > Cleaning pipes or tubes or systems of pipes or tubes (apparatus for cleaning metal pipes by chemical methods C23G3/04) > Cleaning the internal surfaces; Removal of blockages > using cleaning devices introduced into and moved along the pipes
3 direct subcodes
Child Classifications
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- B08B 9/043 moved by externally powered mechanical linkage, e.g. pushed or drawn through the pipes
- B08B 9/049 having self-contained propelling means for moving the cleaning devices along the pipes
- B08B 9/053 moved along the pipes by a fluid, e.g. by fluid pressure or by suction