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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
B08B9/055—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 conforming to, or being conformable to, substantially the same cross-section of the pipes, e.g. pigs or moles
B08B9/0553—Cylindrically shaped pigs
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FR419440D1909-09-101910-08-18Dispositif destiné au nettoyage automatique des conduites d'eau
ExpiredFR419440A
(fr)