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The invention relates to a cleaning device for a receptacle filling machine comprising a plurality of filling spouts, and a corresponding machine. In an embodiment, the cleaning device comprises a plurality of cleaning agent recovery tubes, each recovery tube being movable between a service position

The invention relates to a cleaning device for a receptacle filling machine comprising a plurality of filling spouts, and a corresponding machine. In an embodiment, the cleaning device comprises a plurality of cleaning agent recovery tubes, each recovery tube being movable between a service position in which the tube is able to recover a cleaning agent delivered by a spout, and a retracted position in which the tube is at a distance from the spout, collection apparatus to which the tubes are connected, displacement apparatus for moving the tubes between their service position and their retracted position, and sealing apparatus comprising tubular adaptors designed to fit between the spouts and the upper ends of the tubes in their service position, and to reduce axially in length, in an elastic manner, to absorb the height differences between the spouts.

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1. A cleaning device for a recipient filling machine comprising a plurality of filling spouts, each having a height, said cleaning device comprising: a plurality of cleaning agent recovery tubes, each shiftable between a service position in which said recovery tube recovers at an upper end a cleanin

1. A cleaning device for a recipient filling machine comprising a plurality of filling spouts, each having a height, said cleaning device comprising: a plurality of cleaning agent recovery tubes, each shiftable between a service position in which said recovery tube recovers at an upper end a cleaning agent supplied by one of said filling spouts, and a retracted position in which said tube is positioned away from said one of said filling spouts to allow recipients to be filled;collection means to which said recovery tubes are connected, to collect the cleaning agent recovered by said recovery tubes;displacement means for displacing at least some of the recovery tubes between the service position and the retracted position; andsealing means individually ensuring a seal between the filling spouts and the recovery tubes in the service position,said sealing means comprising tubular end pieces, individually permanently operably coupled to one of said recovery tubes and pressed against one of the filling spouts by said recovery tubes, in the service position and moved away therefrom, in the retracted position, said tubular end pieces being individually made in elastic material and axially deform elastically to reduce in length to compensate for differences in height between the filling spouts, in the service position of said recovery tubes. 2. The cleaning device according to claim 1, each tubular end piece comprising an elastomer tube fitted with at least one external annular groove. 3. The cleaning device according to claim 1, wherein the tubular end piece is operably coupled to the upper end of each recovery tube, wherein said tubular end piece comes into contact with a corresponding filling spout by a free end edge of the tubular end piece when the recovery tube is in the service position. 4. The cleaning device according to claim 3, each tubular end piece comprising a chamfered free end edge that defines a truncated contact surface adapted to contact with a corresponding truncated surface of the filling spout. 5. The cleaning device according to claim 3, each tubular end piece being operably coupled to the recovery tube by means of a rigid connecting tube. 6. The cleaning device according to claim 4, wherein the displacement means are adapted to displace all of the plurality of the recovery tubes together between their service position and their retracted position. 7. The cleaning device according to claim 6, wherein the collection means comprising an annular tube onto which the recovery tubes are assembled vertically by their lower end, wherein said displacement means can displace said annular tube vertically in a translation movement. 8. A rotary filling machine for filling recipients, comprising: a rotary carousel which holds a plurality of filling stations, wherein each filling station comprises a filling spout having a height along an axis and connected to filling liquid storage means, each filling station comprising recipient support means comprising a base support that hold the recipients by one of a base thereof and a clamp having arms that can grip the recipients by a neck thereof;a cleaning device comprising: a plurality of recovery tubes, each being movable between a service position in which said recovery tube recovers at an upper end a cleaning agent supplied by one of said filling spouts, and a retracted position in which said recovery tube is moved away from said one of said filling spouts to allow recipients to be filled, each recovery tube: being positioned below one of said base supports, in the retracted position, andpassing through one of said base support and the arms of one of the clamps, in the service position,collection means to which said recovery tubes are connected, to collect the cleaning agent recovered by said recovery tubes,displacement means for displacing the recovery tubes between the service position and the retracted position, andsealing means individually ensuring a seal between the filling spouts and the recovery tubes in the service position, each sealing means comprising a tubular end piece permanently operably coupled to one of said recovery tubes and which is pressed against one of the filling spouts, in the service position, said tubular end piece being elastically deformable along said axis to compensate for differences in height between filling spouts, in the service position of said recovery tube. 9. The machine according to claim 8, the filling spouts being positioned substantially vertically with a discharge orifice of the filling spout facing downwards, wherein said spout comprises a truncated lower section, against which the tubular end pieces of the recovery tubes come into contact by a vertical translation movement from their retracted position to their service position. 10. A cleaning device for a recipient filling machine comprising a plurality of filling spouts, each having a height, said cleaning device comprising: a plurality of recovery tubes, each shiftable between a service position in which said recovery tube recovers, at an end, a cleaning agent supplied by one of said filling spouts, and a retracted position in which said tube is positioned away from said one of said filling spouts to allow recipients to be filled;a collection apparatus operably coupled to said recovery tubes, wherein the collection apparatus is adapted to collect the cleaning agent recovered by said recovery tubes;a displacement apparatus adapted to shift at least some of the recovery tubes between the service position and the retracted position; anda sealing apparatus adapted to ensure a seal between the recovery tube and the corresponding filling spout when the recovery tube is in the service position, said sealing apparatus comprising tubular end pieces each permanently operably coupled to one of said recovery tubes and which is pressed against one of the filling spouts, in the service position,said tubular end pieces being individually made in elastic material and axially deform elastically to reduce in length to compensate for differences in height between filling spouts. 11. The cleaning device according to claim 10, each tubular end piece comprising an elastomer tube fitted with at least one external annular groove. 12. The cleaning device according to claim 10, wherein the tubular end piece is operably coupled to the upper end of each recovery tube, wherein said tubular end piece comes into contact with the corresponding filling spout by a free end edge of the tubular end piece when the recovery tube is in the service position. 13. The cleaning device according to claim 12, each tubular end piece comprising a chamfered free end edge defining a truncated contact surface adapted to contact a corresponding truncated surface of the filling spout. 14. The cleaning device according to claim 12, each tubular end piece being operably coupled to the recovery tube by a rigid connecting tube. 15. The cleaning device according to claim 10, wherein the displacement apparatus is adapted to shift all of the plurality of the recovery tubes between the service position and the retracted position. 16. The cleaning device according to claim 15, the collection apparatus comprising an annular tube operably coupled to the recovery tubes vertically by lower ends of the recovery tubes, wherein the displacement apparatus is adapted to displace the annular tube vertically in a translation movement. 17. A rotary filling machine for filling recipients, comprising: a rotary carousel which holds a plurality of filling stations, wherein each filling station comprises a filling spout connected to a filling liquid storage assembly, and a recipient support assembly comprising a base support adapted to individually hold a recipient by at least one of a base and a clamp adapted to grip a neck of the recipient, wherein recovery tubes: are positioned below the base support when the recovery tubes are in a retracted position, and,pass through at least one of the base support and arms of the clamp when the recovery tubes are in a service position; and,a cleaning device comprising: said recovery tubes, each being movable between the service position in which said recovery tube recovers at an upper end a cleaning agent supplied by one of said filling spouts, and the retracted position in which said recovery tube is moved away from said one of said filling spouts to allow the recipients to be filled, each recovery tube: being positioned below one of said base supports, in the retracted position, andpassing through one of said base support and the arms of one of the clamps, in the service position,collection means to which said recovery tubes are connected, to collect the cleaning agent recovered by said recovery tubes,displacement means for displacing the recovery tubes between the service position and the retracted position, andsealing means individually ensuring a seal between the filling spouts and the recovery tubes in the service position, each sealing means comprising a tubular end piece permanently operably coupled to one of said recovery tubes and which is pressed against one of the filling spouts, in the service position, said tubular end piece being elastically deformable along said axis to compensate for differences in height between filling spouts, in the service position of said recovery tubes. 18. The rotary filling machine according to claim 17, the filling spouts being positioned substantially vertically with a discharge orifice of the filling spout facing downwards, wherein said filling spout comprises a truncated lower section, and wherein the truncated lower section and the tubular end piece of the corresponding recovery tube comes into contact upon a vertical translation movement of the recovery tube from the retracted position to the service position.