The invention concerns a fluid product dispenser comprising a gas reservoir (10), a fluid product reservoir (20), a dispensing head comprising at least one dispensing orifice (30). The gas reservoir and the fluid product reservoir are connected to the head so that their contents can communicate wit
The invention concerns a fluid product dispenser comprising a gas reservoir (10), a fluid product reservoir (20), a dispensing head comprising at least one dispensing orifice (30). The gas reservoir and the fluid product reservoir are connected to the head so that their contents can communicate with the at least one dispensing orifice. The dispenser comprises a movable actuation wall ( 14; 24) to simultaneously generate a pressure state in the gas and fluid product reservoirs and thus force the fluid product and the gas through the the at least one dispensing orifice.
대표청구항▼
What is claimed is: 1. Fluid product dispenser comprising: a gas reservoir (10), a fluid product reservoir (20), a dispensing head comprising at least one dispensing orifice (30), the gas reservoir and fluid product reservoir being connected to the head so that their contents can communicate with t
What is claimed is: 1. Fluid product dispenser comprising: a gas reservoir (10), a fluid product reservoir (20), a dispensing head comprising at least one dispensing orifice (30), the gas reservoir and fluid product reservoir being connected to the head so that their contents can communicate with the said at least one dispensing orifice, and a movable actuation wall (14; 24) to simultaneously generate a pressure state in the gas and fluid product reservoirs and thus force the fluid product and the gas through the said at least one dispensing orifice; wherein the dispensing head comprises a gas outlet non-return valve located between the gas reservoir and at least one of the said at least one dispensing orifice, the dispensing head comprising a fluid product outlet non-return valve located between the fluid product reservoir and at least one of the said at least one dispensing orifice, the gas outlet non-return valve opening and closing at a pressure Pg below a pressure Pf at which the fluid product non-return valve opens and closes. 2. Dispenser according to claim 1, in which the actuation wall (14) forms a deformable wall element of the gas reservoir ( 10). 3. Dispenser according to claim 1, in which the actuation wall (24) forms a deformable wall element of the fluid product reservoir (20). 4. Dispenser according to claim 1, in which a pressure transmission wall (2, 1) forms a wall element of the gas reservoir (10) and also a wall element of the fluid product reservoir (20). 5. Dispenser according to claim 4, in which the pressure transmission wall can be deformed by the pressures applied in the reservoirs. 6. Dispenser according to claim 1, in which the fluid product reservoir (20) is located inside the gas reservoir (10). 7. Dispenser according to claim 6, in which the gas reservoir (10) is provided with an inlet non-return valve (13) that enables gas to penetrate into the gas reservoir. 8. Dispenser according to claim 1, in which the gas reservoir (10) is located inside the fluid product reservoir (20). 9. Dispenser according to claim 1, in which the gas reservoir consists of a squeezable receptacle (1) connected to the dispensing head (3). 10. Dispenser according to claim 1, in which the fluid product reservoir comprises a deformable flexible pouch (2). 11. Dispenser according to claim 1, in which the dispensing head (3) comprises a gas outlet non-return valve (111) located between the gas reservoir (10) and at least one of the said at least one dispensing orifice (30). 12. Dispenser according to claim 1, in which the dispensing head (3) comprises a fluid product outlet non-return valve ( 33) located between the fluid product reservoir (20) and at least one of the said at least one dispensing orifice (30). 13. Dispenser according to claim 1, comprising at least two dispensing orifices (30), namely at least one gas dispensing orifice and at least one fluid product dispensing orifice. 14. Dispenser according to claim 13, in which the gas orifice surrounds the fluid product orifice. 15. Dispenser according to claim 1, in which the gas outlet non-return valve comprises a gas non-return valve mobile member ( 111) and a gas non-return valve seat, the fluid product non-return valve comprises a fluid product non-return valve mobile member (33) and a fluid product non-return valve seat, and the mobile members being formed by a monobloc part (330). 16. Dispenser according to claim 1, comprising closing means (360; 370; 305) to prevent dispensing of the fluid product. 17. Dispenser according to claim 1, comprising closing means (360, 370, 321) to prevent the dispensing of gas. 18. A fluid product dispenser according to claim 1, further comprising closing means (360; 370; 321; 305) to prevent the dispensing of fluid product and gas, the closing means comprising a rotary device (300) movable between an open and a closed position. 19. Dispenser according to claim 18, in which the rotary device (300) forms the said at least one dispensing orifice ( 30). 20. Dispenser according to claim 18, in which the rotary device (300) forms an outlet non-return valve seat (303). 21. Dispenser according to claim 18, in which the rotary device (300) forms a visible external part of the dispensing head. 22. Fluid product dispenser comprising: a gas reservoir, a fluid product reservoir, a dispensing head comprising at least one dispensing orifice, the gas reservoir and fluid product reservoir being connected to the head so that their contents can communicate with the said at least one dispensing orifice; and a movable actuation wall to simultaneously generate a pressure state in the gas and fluid product reservoirs and thus force the fluid product and the gas through the said at least one dispensing orifice; wherein the dispensing head comprises a gas outlet non-return valve located between the gas reservoir and at least one dispensing orifice, the dispensing head comprising a fluid product non-return valve located between the fluid product reservoir and at least one of the said at least one dispensing orifice, the gas outlet non-return valve comprising a gas non-return valve mobile member and a gas non-return valve seat, the fluid product non-return valve comprising a fluid product non-return valve mobile member and a fluid product non-return valve seat, the mobile members being formed by a monobloc part; and wherein the monobloc part (330) forms two concentric sleeves (332, 334) comprising ends connected together and opposite ends forming two deformable flexible lips (111, 33) defining the mobile members. 23. A fluid product dispenser comprising: a gas reservoir containing a gas; a fluid reservoir containing a fluid; a dispensing head comprising an outlet, the gas reservoir and fluid product reservoir connected to the head so that their contents can communicate with the outlet; and a movable actuation wall that, when actuated, simultaneously generates a pressure state in the gas and fluid product reservoirs and forces the fluid and the gas through the outlet; wherein the dispensing head further comprises a gas outlet non-return valve located between the gas reservoir and the outlet and a fluid outlet non-return valve located between the fluid reservoir and the outlet, and wherein the gas outlet non-return valve opens and closes at a pressure Pg that is below a pressure Pf at which the fluid product non-return valve (33) opens and closes.
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이 특허에 인용된 특허 (11)
Fuchs Karl-Heinz,DEX, Bottle closure for squeezing bottle.
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