LIQUID DISPENSING DEVICE EQUIPPED WITH A SEALING COMPONENT

• US 20100116852A1
• Filed: 10/15/2009
• Published: 05/13/2010
• Est. Priority Date: 10/15/2008
• Status: Active Grant

• Current Assignee: Nemera La Verpilliere
• Original Assignee: Nemera La Verpilliere
• Inventors: Grevin, Guillaume, Lanzi, Sylvian, Painchaud, Gaetan, Julia, Xavier
• Granted Patent: US 8,616,418 B2
• Time in Patent Office: Days
• US Class Current: 222/422
• CPC Class Codes: A61M 15/00 Inhalators drug delivery in endotracheal tubes A61M16/04
• CPC Class Codes: B05B 11/00444 with provision for filtering or cleaning the air flow drawn into the container
• CPC Class Codes: B65D 47/18 for discharging drops; Droppers droppers in general B01L3/00; pipettes connected to container closures B01L3/0282
• CPC Class Codes: B65D 47/2081 in which the deformation raises or lowers the valve port
• CPC Class Codes: B65D 47/32 with means for venting

Abstract

A liquid dispensing device including a sealing component which can take up a liquid release position and a liquid blocking position. The sealing component includes an elastomer part and a rigid part, these parts being fastened to each other when moving.

Claims

1. A device for dispensing liquid in drop form, characterised in that it comprises a sealing component which can take up a liquid release position and a liquid blocking position, wherein the sealing component comprises an elastomer part and a rigid part, the elastomer part providing the seal of the sealing component, these parts being fastened to each other, in particular when moving.

2. The device according to claim 1, wherein the elastomer and rigid parts are assembled by overmoulding, welding, gluing, clipping or riveting.

3. The device according to claim 1, comprising a return element, exerting a return force on the elastomer part so that it takes up its blocking position, the return element resting against or being fixed to the rigid part of the sealing device.

4. The device according to claim 3, wherein the return element is either a spring, possibly a helical spring, an elastic strip, or an element made from an elastomer material.

5. The device according to claim 3, wherein the return element is made in one piece with the elastomer part or with the rigid part of the sealing component, or with another functional part of the nozzle.

6. The device according claim 1, wherein the rigid part comprises means for forming liquid drops.

7. The device according to claim 1, wherein the rigid part covers the elastomer part over a large proportion of the surface of the elastomer part.

8. The device according to claim 7, wherein the elastomer part comprises a zone not covered by the rigid part.

9. The device according to claim 1, wherein the elastomer part and the rigid part each have the overall shape of a hat with a central cylindrical shape, extended at one end by an edge, one of the edges being used to attach the component to the nozzle.

10. The device according to claim 1, wherein the elastomer part, in its liquid blocking position, cooperates with means for pressing on the sealing component, these pressing means being formed on an inner core of the device as a projection.

11. The device according to claim 5, wherein the return element is made in one piece with an envelope of the nozzle.