CPC Subgroup
B08B 9/043 moved by externally powered mechanical linkage, e.g. pushed or drawn through 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 > moved by externally powered mechanical linkage, e.g. pushed or drawn through the pipes
4 direct subcodes
Child Classifications
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- B08B 9/045 the cleaning devices being rotated while moved (B08B9/047 takes precedence)
- B08B 9/047 the cleaning devices having motors for powering cleaning tools