EP1703985A1 - Fluid product dispenser - Google Patents
Fluid product dispenserInfo
- Publication number
- EP1703985A1 EP1703985A1 EP04816582A EP04816582A EP1703985A1 EP 1703985 A1 EP1703985 A1 EP 1703985A1 EP 04816582 A EP04816582 A EP 04816582A EP 04816582 A EP04816582 A EP 04816582A EP 1703985 A1 EP1703985 A1 EP 1703985A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- insert
- fluid dispenser
- member according
- dispensing
- head
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B1/00—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means
- B05B1/34—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to influence the nature of flow of the liquid or other fluent material, e.g. to produce swirl
- B05B1/3405—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to influence the nature of flow of the liquid or other fluent material, e.g. to produce swirl to produce swirl
- B05B1/341—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to influence the nature of flow of the liquid or other fluent material, e.g. to produce swirl to produce swirl before discharging the liquid or other fluent material, e.g. in a swirl chamber upstream the spray outlet
- B05B1/3421—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to influence the nature of flow of the liquid or other fluent material, e.g. to produce swirl to produce swirl before discharging the liquid or other fluent material, e.g. in a swirl chamber upstream the spray outlet with channels emerging substantially tangentially in the swirl chamber
- B05B1/3431—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to influence the nature of flow of the liquid or other fluent material, e.g. to produce swirl to produce swirl before discharging the liquid or other fluent material, e.g. in a swirl chamber upstream the spray outlet with channels emerging substantially tangentially in the swirl chamber the channels being formed at the interface of cooperating elements, e.g. by means of grooves
- B05B1/3436—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to influence the nature of flow of the liquid or other fluent material, e.g. to produce swirl to produce swirl before discharging the liquid or other fluent material, e.g. in a swirl chamber upstream the spray outlet with channels emerging substantially tangentially in the swirl chamber the channels being formed at the interface of cooperating elements, e.g. by means of grooves the interface being a plane perpendicular to the outlet axis
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B11/00—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use
- B05B11/01—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use characterised by the means producing the flow
- B05B11/10—Pump arrangements for transferring the contents from the container to a pump chamber by a sucking effect and forcing the contents out through the dispensing nozzle
- B05B11/1001—Piston pumps
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B11/00—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use
- B05B11/01—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use characterised by the means producing the flow
- B05B11/10—Pump arrangements for transferring the contents from the container to a pump chamber by a sucking effect and forcing the contents out through the dispensing nozzle
- B05B11/1042—Components or details
- B05B11/1066—Pump inlet valves
- B05B11/107—Gate valves; Sliding valves
Definitions
- the present invention relates to a fluid dispenser member comprising the following components: a body intended for. be associated with a container, a dispensing head mounted movable in axial translation relative to the body, said head being movable relative to the body on an actuating stroke, said head comprising a pusher comprising a bearing wall defining an external surface support and an inner surface and a side skirt extending from said support wall, said side skirt having an outer surface and an inner surface, a chamber defined between said body and said head, said chamber being provided with 'at least one inlet and / or outlet valve, a dispensing orifice through which fluid is dispensed.
- the present invention also relates to a fluid dispenser incorporating such a dispensing member which can in particular be used in the pharmaceutical or cosmetic sectors.
- Many fluid product distribution systems in particular which integrate a pump as a distribution member, exist in. the current time. These systems can have more or less distinct structural and functional characteristics, thus giving rise to devices which are more or less simple to assemble and more or less expensive.
- Fluid product dispensers include a container, a dispensing member, such as a pump or a valve, mounted on said container, and a pusher for actuating said dispensing member in order to dispense a volume of fluid product contained in the container through a dispensing orifice.
- Document WO 02/096776 discloses, for example, an embodiment of a dispensing device in which a central end piece is integrated into a pusher in order to serve as a movable member of an inlet valve.
- actuation of the pusher firstly causes contact with a piston which is then moved in axial translation. This displacement then generates simultaneously closing the inlet valve and opening the outlet valve.
- the descent of the piston is then at the origin of a reduction in volume of the pump chamber having the effect of expelling the fluid product contained in said chamber. Then, the pusher is returned to its initial rest position.
- the pusher disengages from the piston which remains momentarily stationary.
- the relative movement between the piston and the pusher generates the opening of the inlet valve, in order to put the chamber in communication with the container, and the simultaneous closing of the outlet valve to isolate the chamber from the outside.
- the piston remains stationary until a shoulder of the pusher abuts against a corresponding shoulder of the piston.
- the piston is then driven in translation and rises to its initial position, thereby causing a vacuum in the chamber at the origin of the suction of the fluid contained in the container.
- this embodiment as described does not include precompression, the opening and closing of the inlet valve and the outlet valve being done simultaneously independently of any increase in pressure in the pressure chamber. pump.
- the movements of the piston and of the median endpiece are synchronous only over a short distance from the actuating stroke of the pusher, these two elements requiring to evolve at distinct axial translation speeds so that the ⁇ -described pump works correctly. Consequently, the dispensing device that is the subject of this patent has a complex operating principle, thus causing difficulty in assembling and manufacturing said device as well as a substantially high cost price.
- the present invention aims to provide a dispensing member and a fluid dispenser incorporating such a dispensing member which does not reproduce the aforementioned drawbacks.
- the present invention aims to provide a dispensing member such as a precompression pump preventing any risk of contamination of the product and ensuring on the one hand a good seal and on the other hand a good reproducibility of the doses distributed to each actuation.
- the present invention also aims to provide a dispensing member and a distributor incorporating such a dispensing member which is simple to manufacture, to assemble and of relatively low cost.
- the present invention proposes to solve the aforementioned problems by developing a fluid product distribution member comprising the following components: - a body intended to be associated with a container, - a distribution head mounted movable in axial translation relative to the body, said head being movable relative to the body on an actuating stroke, said head comprising a pusher comprising a support wall defining an external support surface and an internal surface and a side skirt extending from said body support wall, said side skirt having an external surface and an internal surface, - a chamber defined between said body and said head, said chamber being provided with at least one inlet and / or outlet valve, - an orifice dispenser by which fluid is dispensed, characterized in that said pusher is provided with an axial rod, said rod aa ale forming said at least an inlet and / or outlet valve.
- said dispensing head comprises an insert associated integrally with the pusher.
- said insert and said axial rod are integral in their movement over the whole of the actuating stroke of said dispensing head.
- said axial rod comprises an outlet valve seat able to cooperate with said insert, said insert comprising a movable outlet valve member.
- said outlet valve seat comprises a cylindrical surface capable of cooperating with an annular lip of the movable outlet valve member in order to put said chamber in communication with an expulsion space which advantageously extends around said axial rod.
- said insert comprises an outlet channel connecting said expulsion space to the dispensing orifice.
- the insert comprises a crown engaged with said internal surface of the side skirt, a radial flange engaged with said internal surface of the support wall and a cuff, said cuff comprising a piston lip in sealed sliding contact. with said body.
- the insert is a single deformable piece.
- said axial rod comprises a movable inlet valve member able to cooperate with an inlet valve seat formed by said body.
- said movable inlet valve member comprises at least one longitudinal groove capable of cooperating with an annular bead of the inlet valve seat to put said container in communication with said chamber.
- said side skirt includes said dispensing orifice.
- the crown of the insert comprises a swirl system, said swirl system being located opposite the dispensing orifice.
- the internal surface of the side skirt comprises a swirl system facing the dispensing orifice, said swirl system being produced in a single piece in said side skirt.
- the swirl system is here completed by the insert which is fixedly received in the pusher.
- the present invention also relates to a fluid dispenser comprising a container and a fluid dispenser member according to the invention.
- the dispensing member can quite be adapted to miniature dispensers as used for the samples.
- the axial rod which is preferably produced in a single piece by the pusher, has the function of a seat and / or of a movable member of an inlet valve. or exit.
- the insert fixedly engaged in the pusher is produced separately for reasons of molding techniques. However, it is not excluded that the insert can be made in one piece by the pusher, so that the dispensing head would then be formed in one piece.
- a fluid product dispenser according to the present invention comprises two constituent elements, namely a dispensing member 1 and a container 8.
- the container 8 has an opening 80 making the inside of said container 8 communicate with the outside, a neck 83, a side wall 81 extending from the neck 83 and a bottom 82.
- the container 8 advantageously has a cylindrical shape and can be produced with any suitable material: metal, plastic, glass or the like.
- the side wall 81 comprises an external surface 810 in contact with the outside and an internal surface 811 defining a reservoir of fluid product.
- the neck 83 advantageously has a hooking section on the side of its external surface 810 intended to receive the dispensing member 1.
- the dispensing member 1 comprises a body 2 intended to be associated with the container 8 and a dispensing head 3 .
- the body 2 can be fixed on the neck 83 of the container 8 by any means.
- the body 2 has a symmetrical axial revolution and is capable of being fitted onto the neck of the container 8.
- the body 2 comprises a radial plate 20 from which extends a peripheral wall 21, a ft 22 and a sleeve 23
- the peripheral wall 21 extends upwards and downwards from the radial plate 20.
- the peripheral wall 21 has an external surface 210 and an internal surface 211.
- the bottom part of the wall 21 is advantageously fitted on the neck of the container 2 so that the radial plate 22 comes to rest on the neck of the container and the internal surface 211 comes into engagement with the external surface 810 of the container 8.
- it follows from this fitting that the external surface 210 of the peripheral wall 21 of the body 2 is placed in the continuity of the external surface 810 of the container 8 in order to give the dispenser a generally regular shape, advantageously cylindrical.
- the peripheral wall 21 may also include at its internal surface 211 an internal projection 2100 intended to serve as an upper stop for the dispensing head 3.
- the barrel 22 defines a sealed sliding surface for a cuff 55 forming a piston element.
- the sleeve 23 forms an inlet valve seat 230 able to cooperate with a movable inlet valve member 70.
- the valve seat 230 advantageously has the form of an annular bead.
- the sleeve 23 advantageously extends downward into the container so as to form a dip tube 231 having a passage 232 through which fluid can pass.
- the body 2 as described is advantageously made in one piece in order to facilitate the assembly of the dispensing member.
- the body 2 can be made of any suitable material: metal, plastic, or the like.
- the dispensing head 3 advantageously comprises two constituent elements, namely a pusher 4 and an insert 5.
- the dispensing head 3 is movably mounted on the body 2 so as to be able to move axially relative to the body 2 over a stroke d actuation A.
- the pusher 4 has a support wall 40 defining an internal surface 401 and an external support surface 400 and a side skirt 41 extending downward from said support wall 40.
- the side skirt 41 has a external surface 410 and an internal surface 411.
- the external surface 410 advantageously has an external shoulder 4100 intended to cooperate with the internal projection 2100 of the peripheral wall 21 of the body 2 to form a high stop.
- this stop makes it possible to define the rest position of the dispensing member 1 and guarantees an anti-tearing function of the dispensing head.
- part of the internal surface 211 located between the internal projection 2100 and the radial plate 22, serves as a guide wall for the pusher 4 thus guaranteeing a better axial orientation of the pusher while moving.
- a dispensing orifice 42 is advantageously provided at the side skirt 41.
- the dispensing orifice 42 can then be located at the end of a channel in a dispensing spout 43.
- the pusher 4 is according to the invention provided with a axial rod 7 which is integral in displacement, axial of said pusher.
- the rod is formed in one piece or not with said pusher.
- the axial rod 7 advantageously extends from the bearing wall 40 into the sleeve 23.
- the axial rod 7 has an advantageously cylindrical shape similar to the shape of the sleeve 23.
- the axial rod 7 forms the movable member of inlet valve 70 able to cooperate with the inlet valve seat 230 of the sleeve 23.
- the movable inlet valve member 70 is advantageously in the form of at least one longitudinal groove formed along the rod axial 7 over a height such that fluid can pass through said grooves to reach a chamber 6 located between the dispensing head 3 and the body 2.
- the axial rod 7 also includes an outlet valve seat 71, said valve seat outlet 71 then advantageously defining a cylindrical surface capable of cooperating with a movable outlet valve member 51.
- the insert 5 is made of an elastically deformable material.
- the insert 5 is advantageously fitted into the pusher 4 so that the crown 53 comes into engagement with the internal surface 411 of the side skirt 41 and that the radial flange 54 comes into engagement with the internal surface 401 of the support wall 40.
- the cuff 55 is provided with a movable outlet valve member comprising an annular valve lip 51 capable of cooperating with the outlet valve seat 71 and ends with a piston lip 550 capable of sliding in leaktight manner in the barrel 22 of the body 2.
- the chamber 6 extends around the axial rod 7 occupying a volume ranging from a part of the radial plate 22 located between the barrel 22 and the sleeve 23 up to the outlet valve 51, 71.
- the insert 5 is, according to the example shown, traversed by an outlet channel 52 allowing to communicate an ex space outlet 50 with the dispensing orifice 42.
- the expulsion space 50 extends around the axial rod thus forming an annular space extending from the outlet valve 51, 71 to the internal surface 1.401 of the wall 40 for supporting the pusher 4.
- a recess network 530 can be produced at the level of the crown 53 of the insert.
- This network forms a swirl system 43 as shown in Figures 1 and 2.
- it is the inner wall 411 of the skirt, at the distribution orifice 42, which forms a swirl system 43 , which is completed by the external surface of the crown 53, formed by the insert 5.
- the dispensing head is devoid of a swirl system, but includes a dispensing spout 43 directly communicating the outlet channel 52 with the dispensing orifice 42 located at the end of the spout.
- a return spring 9 can advantageously extend from the radial plate 22, between the peripheral wall 21 and the barrel 22, up to the crown 53 of the insert 5 as shown in FIG. 1 or can be housed between the plate radial 22 and the lower end of the side skirt 41 as shown in FIG. 2.
- the displacement of said dispensing head therefore causes the external surface 410 of the side skirt 41 and the piston lip 550 of the cuff 55 to slide against the internal surface 211 of the peripheral wall 21 and against the barrel 22 respectively.
- the axial rod 7 integral with the pusher 4 sinks into the sleeve 23.
- the sliding of the axial rod 7 in the sleeve 23 causes the inlet valve 70, 230 to close, the product contained in the container 2 thus being unable to more access to the chamber 6.
- the descent of the dispensing head is also at the origin of an increase in pressure in the chamber 6 having the effect of opening the outlet valve 51, 71.
- the fluid product initially present in the chamber 6 can be expelled from the latter due to a reduction in volume of the said chamber 6.
- the fluid product then anchors the outlet valve open then gains the expulsion space 50 before being routed to a outlet channel 52.
- the fluid in the outlet channel 52 then joins the swirl system centered on the dispensing orifice 42.
- the fluid is thus expelled. This expulsion can continue until the lower end of the lateral skirt 41 abuts against the radial plate 22 synonymous with complete or almost complete evacuation of the product contained in the chamber 6.
- the return spring 9 automatically raises the dispensing head 3. This raising the dispensing head 3 causes the piston lip 550 of the cuff 55 to rise together having the effect of opening the inlet valve 70, 230 and closing the outlet valve 51, 71.
- the displacement of the piston 550 relative to the body 2 then creates a depression at the level of the chamber 6 causing the aspiration of the product contained in the container.
- the product reaches the dip tube 231 via the passage 232 and reaches the inlet valve 70, 230 located at the sleeve 23.
- the product then passes through the longitudinal grooves of the movable member of the inlet valve 70 for finally reach the chamber 6.
- the chamber 6 fills as long as the external shoulder 4100 of the side skirt 41 does not come into abutment against the internal projection 2100 of the peripheral wall 21 of the body 2.
Landscapes
- Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR0315191A FR2864044B1 (en) | 2003-12-22 | 2003-12-22 | FLUID PRODUCT DISPENSER. |
PCT/FR2004/050733 WO2005063401A1 (en) | 2003-12-22 | 2004-12-20 | Fluid product dispenser |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1703985A1 true EP1703985A1 (en) | 2006-09-27 |
EP1703985B1 EP1703985B1 (en) | 2007-08-15 |
Family
ID=34630466
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP04816582A Expired - Fee Related EP1703985B1 (en) | 2003-12-22 | 2004-12-20 | Fluid product dispenser |
Country Status (8)
Country | Link |
---|---|
EP (1) | EP1703985B1 (en) |
JP (1) | JP2007515287A (en) |
CN (1) | CN1898026A (en) |
BR (1) | BRPI0417975A (en) |
DE (1) | DE602004008340T2 (en) |
ES (1) | ES2291977T3 (en) |
FR (1) | FR2864044B1 (en) |
WO (1) | WO2005063401A1 (en) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DK2685876T3 (en) * | 2011-03-14 | 2019-01-28 | Essity Hygiene & Health Ab | A DISPENSER MECHANISM AND A DISPENSER |
FR3035307B1 (en) * | 2015-04-23 | 2018-10-26 | Albea Services | RECEPTACLE, IN PARTICULAR FLACONNETTE FOR RECEIVING A COSMETIC PRODUCT |
FR3042180B1 (en) * | 2015-10-08 | 2020-05-29 | Gb Developpement | DISTRIBUTION HEAD |
DE102018100338A1 (en) * | 2018-01-09 | 2019-07-11 | Aero Pump Gmbh | Discharge device for discharging liquid media |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3759426A (en) * | 1972-09-08 | 1973-09-18 | N Kane | Manually-operated liquid dispenser |
US4046495A (en) * | 1976-09-30 | 1977-09-06 | Grimm Jr Bruce F | Dispenser pump |
JPS55129171A (en) * | 1979-03-27 | 1980-10-06 | Yoshino Kogyosho Co Ltd | Pressure accumulation type sprayer |
FR2825348B1 (en) * | 2001-06-01 | 2003-08-15 | Daniel Crosnier | METERING PUMP |
-
2003
- 2003-12-22 FR FR0315191A patent/FR2864044B1/en not_active Expired - Fee Related
-
2004
- 2004-12-20 WO PCT/FR2004/050733 patent/WO2005063401A1/en active IP Right Grant
- 2004-12-20 ES ES04816582T patent/ES2291977T3/en active Active
- 2004-12-20 EP EP04816582A patent/EP1703985B1/en not_active Expired - Fee Related
- 2004-12-20 CN CNA2004800385386A patent/CN1898026A/en active Pending
- 2004-12-20 BR BRPI0417975-7A patent/BRPI0417975A/en not_active Application Discontinuation
- 2004-12-20 DE DE602004008340T patent/DE602004008340T2/en active Active
- 2004-12-20 JP JP2006546281A patent/JP2007515287A/en not_active Withdrawn
Non-Patent Citations (1)
Title |
---|
See references of WO2005063401A1 * |
Also Published As
Publication number | Publication date |
---|---|
FR2864044B1 (en) | 2006-12-01 |
FR2864044A1 (en) | 2005-06-24 |
DE602004008340T2 (en) | 2008-05-08 |
CN1898026A (en) | 2007-01-17 |
DE602004008340D1 (en) | 2007-09-27 |
BRPI0417975A (en) | 2007-04-17 |
ES2291977T3 (en) | 2008-03-01 |
JP2007515287A (en) | 2007-06-14 |
EP1703985B1 (en) | 2007-08-15 |
WO2005063401A1 (en) | 2005-07-14 |
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