B - Operations – Transporting – 08 – B
Patent
B - Operations, Transporting
08
B
B08B 9/04 (2006.01)
Patent
CA 2076383
There is mentioned a process and an arrangement for cleaning of pipelines, and especially ventilation pipes and ventila- tion ducts in buildings, by means of a largely spherical cleaning means (1) which is connected via a supply conduit (2) with a source of pressure medium, and which exhibits a nozzle opening in the form of a largely continuous annular gap (6) which ex- tends along the periphery of the cleaning means (1) and which is connected to the supply conduit (2) and the source of pressure medium. The medium is made to discharge through the annular gap (6) in order partly to clean inner walls of the line, and partly, as a result of the forces of reaction from the discharging medium, to make the cleaning means (1) move into the pipeline. The cleaning means (1) is brought into contact with an inner wall of the line in that a reduced pressure is established between the cleaning means (1) and the inner wall and it is made to move around about the cross-section of the line by twisting of the supply conduit.
Collum Enterprises Inc.
Smart & Biggar
LandOfFree
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