The invention is a fluid dispensing device suited to be connected, by means of a connection element (220), to a container (C) holding the fluid that can be dispensed from the inside to the outside of the container through an actuator element (400), comprising: a suction duct (240) suited to communic
The invention is a fluid dispensing device suited to be connected, by means of a connection element (220), to a container (C) holding the fluid that can be dispensed from the inside to the outside of the container through an actuator element (400), comprising: a suction duct (240) suited to communicate with the fluid held inside the container (C), a dispenser duct (440) in communication with the outer space with respect to the volume (V) enclosed by the container (C), a suction/compression chamber (300) that can communicate with the suction duct (240) and the dispenser duct (440), a suction valve (260) suited to alternatively allow and prevent the passage of a fluid between the suction duct (240) and the suction/compression chamber (300) when, respectively, the suction valve is closed and open, a dispensing valve (460) suited to alternatively allow and prevent the passage of a fluid between the dispenser duct (440) and the suction/compression chamber (300) when, respectively, the suction valve is closed and open, a tight membrane (500) slidingly coupled with the walls of the suction/compression chamber (300) so that it can be translated in a predetermined direction; both the suction valve (260) and the dispensing valve (460) comprise the membrane (500). The invention concerns also a system for containing and dispensing fluids (F).
대표청구항▼
1. A dispensing device for dispensing a fluid, suited to be connected, by means of a connection element (220), to a container (C) inside which said fluid is held, said fluid being suited to be dispensed from the inside to the outside of said container through an actuator element (400), said dispensi
1. A dispensing device for dispensing a fluid, suited to be connected, by means of a connection element (220), to a container (C) inside which said fluid is held, said fluid being suited to be dispensed from the inside to the outside of said container through an actuator element (400), said dispensing device comprising: a suction duct (240) suited to communicate with said fluid held inside said container (C);a dispenser duct (440) in communication with the outside with respect to the volume (V) enclosed by said container (C);a suction/compression chamber (300) that can communicate with said suction duct (240) and said dispenser duct (440);a suction valve (260) suited to alternately allow and prevent the passage of a fluid between said suction duct (240) and said suction/compression chamber (300) when said suction valve is respectively closed and open;a dispensing valve (460) suited to alternately allow and prevent the passage of a fluid between said dispenser duct (440) and said suction/compression chamber (300) when said suction valve is respectively closed and open;a tight membrane (500) slidingly coupled with the walls of said suction/compression chamber (300) so that it can be translated in a predetermined direction; both said suction valve (260) and said dispensing valve (460) comprising said membrane (500). 2. The dispensing device according to claim 1, wherein said membrane (500) is suited to be translated in said suction/compression chamber (300) between said suction duct (240) and said dispenser duct (440). 3. The dispensing device according to claim 1, wherein said membrane (500) is suited to be translated within an interval delimited by a first position and a second position, said suction valve (260) being closed when said membrane (500) is in said first position and said dispensing valve (460) being closed when said membrane (500) is in said second position. 4. The dispensing device according to claim 1, wherein said membrane is suited to be translated so that when said suction valve (260) is closed said dispensing valve (460) is open and vice versa. 5. The dispensing device according to claim 1, wherein said membrane (500) comprises an upper side (512) facing towards said dispenser duct (440), said dispensing valve (460) comprising at least one portion of said upper side (512) of said membrane. 6. The dispensing device according to claim 5, wherein said upper side (512) of said membrane (500) comprises upper sealing means suited to cooperate with said dispenser duct (440) in such a way as to form a tight area, said suction valve being closed when said upper sealing means cooperate with said dispenser duct (440). 7. The dispensing device according to claim 6, wherein said upper sealing means comprise an annular projection (516) on said upper side (512) of said membrane (500) suited to cooperate with said dispenser duct (440) in such a way as to form a tight area that is suited to close a communication opening between said dispenser duct (440) and said suction/compression chamber (300). 8. The dispensing device according to claim 1, wherein said membrane (500) comprises a lower side (514) facing towards said suction duct (240), said suction valve (260) comprising at least one portion of said lower side (514) of said membrane (500). 9. The dispensing device according to claim 8, wherein said lower side (514) of said membrane (500) comprises lower sealing means suited to cooperate with said suction duct (240) in such a way as to form a tight area, said suction valve (260) being closed when said lower sealing means cooperate with said dispenser duct (440). 10. The dispensing device according to claim 9, wherein said lower sealing means comprise a projecting annular element (532) suited to cooperate with a projecting annular element (232) formed on the surface of said connection element (200) facing towards said membrane (200), thus forming a tight area and in such a way as to prevent communication between said suction/compression chamber (300) and said suction duct (240). 11. The dispensing device according to claim 1, wherein said actuator element (400) comprises a first portion (452) and a second portion (454) suited to be rigidly fixed to each other. 12. The dispensing device according to claim 1, wherein said suction/compression chamber (300) is defined by said connection element (200) and said actuator element (400) in such a way that said suction/compression chamber (300) is at least partially outside said container (C) when said dispensing device is fixed to said container (C). 13. The dispensing device according to claim 12, wherein said suction/compression chamber (300) is completely outside said container (C) when said dispensing device is fixed to said container (C). 14. The dispensing device according to claim 1, wherein said suction/compression chamber (300) is defined by said connection element (200) and said actuator element (400) in such a way that said suction/compression chamber (300) is at least partially inside said container (C) when said dispensing device is fixed to said container (C). 15. System for containing and dispensing fluids (F), comprising: a container (C) comprising a neck (N);the dispensing device according to claim 1, said dispensing device being fixed to said neck (N) of said container (C) through said connection element (200).
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