Patent ID: 7005012

Claim:
Device for cleaning a tube, said device comprising: two analogous brushing assemblies, each of which comprises brushing means suitable for co-operating with an inside periphery of the tube, and a propelling element for moving said brushing means inside the tube, means for moving axially the brushing assemblies towards each other and away from each other in alternation, and a spray system for spraying a fluid against the inside periphery of the tube; said propelling element being suitable for co-operating with said inside periphery by being flexed along an axial direction (D) of the tube, in that said brushing assemblies being mounted on a support system; in that said means for moving axially the brushing assemblies towards each other and away from each other in alternation comprising a control chamber which is secured to said support system and which may be connected to a feed for feeding in fluid under pressure, and said spray system including a reservoir which co-operates with said support system which is on board with said support system and which can be put under pressure by being connected to said chamber.