Patent ID: 7694377
Filing Date: 2010-04-13
Classification: B08B,F41A

Abstract:
1. A device for cleaning a cylindrical or conical tube having a smooth wall and placed in a horizontal or an inclined position, said device comprising: a cylindrical body that has an axis of revolution X and generator lines, that is suitable for being inserted axially into said tube, and that, around its periphery, has brush means for brushing the inside wall of said tube; a rod fastened to an end face of said body; and means for causing said rod and said body to turn about the axis of revolution X; wherein the cylindrical body has a chamber that is suitable for receiving a cleaning liquid, the chamber being closed with exception of a first orifice and at least a second orifice, the first orifice opening out into a first end of a radial duct having two ends which is disposed in said chamber, the second end of the radial duct being disposed in the vicinity of that wall of said chamber which is situated facing said first orifice; the second orifice opening to the outside; the first orifice and the second orifice being aligned along one of the generator lines of the body; the second orifice serving to discharge a quantity of cleaning liquid by gravity when the second orifice is situated under the level of the liquid in the chamber while said device is turning; the first orifice serving to fill said chamber with cleaning liquid, and to allow air to be taken into said chamber when the second end of the duct is disposed above the level of the liquid.