Claims
- 1. A fluid dispenser for dispensing fluid in liquid or powder form, the fluid dispenser comprising a reservoir (17) provided with at least one deformable actuating wall (2) and with a dispensing orifice (14), said dispenser comprising a body (1) defining a frame (10) having a thickness defined to determine a defined inscribed volume (Vi), said actuating wall (2) extending over said frame (10) and being deformable so as to reduce the volume of the reservoir and so as to penetrate into the inscribed volume, said dispenser comprising return spring means (16) urging the actuating wall (2) into a rest configuration defining the maximum volume of the reservoir, characterized in that the spring means (16) are formed integrally by the body (1).
- 2. A dispenser according to claim 1, in which the spring means (16) extend inside said frame (10).
- 3. A dispenser according to claim 1, in which, in the rest position, the spring means (16) extend inside said inscribed volume (Vi).
- 4. A dispenser according to claim 1, in which, in the rest position, the spring means (16) extend outside said inscribed volume (Vi).
- 5. A dispenser according to claim 1, in which the spring means comprise at least one flexible blade (16) which extends across said frame (10).
- 6. A dispenser according to claim 1, in which the frame (10) has a constant thickness of approximately in the range 2 millimeters to 4 millimeters.
- 7. A dispenser according to claim 1, further comprising two actuating walls defined by two flexible sheets (2) fixed in leaktight manner on either side of said frame (10).
- 8. A dispenser according to claim 1, in which the frame (10) is substantially non-deformable.
- 9. A dispenser according to claim 1, in which the frame (10) is substantially in the form of a ring.
- 10. A dispenser according to claim 1, in which the dispensing orifice (14) is formed by the frame (10), advantageously in its peripheral surface (11).
Priority Claims (1)
Number |
Date |
Country |
Kind |
02 12417 |
Oct 2002 |
FR |
|
CROSS REFERENCE TO RELATED APPLICATION
This application claims the benefit under 35 U.S.C. §119(e) of pending U.S. provisional patent application Serial No. 60/432,668, filed Dec. 12, 2002, and priority under 35 U.S.C. §119(a)-(d) of French patent application No. FR-02.12417, filed Oct. 7, 2002.
US Referenced Citations (16)
Foreign Referenced Citations (3)
Number |
Date |
Country |
262440 |
Jun 1949 |
CH |
2 818 258 |
Jun 2002 |
FR |
599896 |
Mar 1948 |
GB |
Provisional Applications (1)
|
Number |
Date |
Country |
|
60/432668 |
Dec 2002 |
US |