WO2002089996A1 - Pompe doseuse - Google Patents
Pompe doseuse Download PDFInfo
- Publication number
- WO2002089996A1 WO2002089996A1 PCT/FR2002/001564 FR0201564W WO02089996A1 WO 2002089996 A1 WO2002089996 A1 WO 2002089996A1 FR 0201564 W FR0201564 W FR 0201564W WO 02089996 A1 WO02089996 A1 WO 02089996A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- pusher
- pump body
- piston
- annular valve
- dose chamber
- Prior art date
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
- 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
- B05B11/1023—Piston pumps having an outlet valve opened by deformation or displacement of the piston relative to its actuating stem
-
- 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
- B05B11/1052—Actuation means
- B05B11/1053—Actuation means combined with means, other than pressure, for automatically opening a valve during actuation; combined with means for automatically removing closures or covers from the discharge nozzle during actuation
-
- 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
- B05B11/1064—Pump inlet and outlet valve elements integrally formed of a deformable material
-
- 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
- B05B11/1073—Springs
- B05B11/1076—Traction springs, e.g. stretchable sleeve
-
- 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
- B05B11/1094—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 having inlet or outlet valves not being actuated by pressure or having no inlet or outlet valve
-
- 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
- B05B11/02—Membranes or pistons acting on the contents inside the container, e.g. follower pistons
- B05B11/026—Membranes separating the content remaining in the container from the atmospheric air to compensate underpressure inside the container
-
- 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
- B05B11/02—Membranes or pistons acting on the contents inside the container, e.g. follower pistons
- B05B11/028—Pistons separating the content remaining in the container from the atmospheric air to compensate underpressure inside the container
Definitions
- Methoding pump The subject of the present invention is a metering pump intended to be mounted in particular by screwing, snap-fastening, welding, etc. on various rigid or flexible containers such as bottles, tubes or jars, in particular containers containing cosmetic or pharmaceutical products or food products of different viscosities which can range from liquid products to products having the consistency of creams.
- metering pumps have already been proposed, in particular in accordance with document EP-0 726 097, comprising a pump body made of a rigid or semi-rigid material adaptable to a container and containing a dose chamber as well as means of elastically deformable control, operable from the outside and capable of being successively moved between a dispensing position and a rest position so as to allow the expulsion of a dose of product from the dose chamber towards the outside by an opening expulsion and then the transfer of a new dose of product from the container to the dose chamber and so on.
- the pump body of such metering pumps is generally delimited at its internal part by an annular side wall and by a front face comprising a filling opening which communicates with the interior of the container.
- control means are automatically recalled from the dispensing position to the rest position in the absence of any external stress acting on them, this by creating a depression allowing the aspiration of a dose of product to the dose chamber.
- metering pumps have the disadvantage of often being relatively expensive and sometimes ineffective during the first priming.
- the metering of high viscosity products is not always easy and the elastically deformable control means sometimes have difficulty returning to their initial shape when they are transferred from the dispensing position to the rest position, which can cause some external air intake.
- the object of the present invention is to remedy these drawbacks by proposing a simple, efficient and reliable dosing pump which at the same time makes it possible to dose products which are not only liquid, but which can also have a relatively high viscosity, by creating volume doses. important.
- the invention relates to a dosing pump of the aforementioned type characterized in that the control means consist of a plunger in a rigid or semi-rigid material, by a piston in a flexible thermoplastic material capable of sliding relative to the pusher and relative to the pump body by being in permanent contact with these two elements as well as by an annular valve made of an elastically deformable material constantly pressing against the pusher.
- the movement of the control means between the rest position and the dispensing position takes place in two stages, namely on the one hand a first stage in which the pusher slides relative to the piston in the pump body and the dose chamber is isolated from the expulsion opening, and on the other hand a second step in which the pusher and the piston slide integrally in the pump body and a dispensing opening allowing the setting in communication of the dose chamber and the expulsion opening is cleared.
- the pusher comprises a bearing face as well as a median rod which is constantly in abutment against the annular valve and is surrounded by a channel annular expulsion delimited by a tubular wall and which communicates with the expulsion opening.
- the piston has a tubular end piece mounted around the middle rod of the pusher at the free end thereof and extending at its outer periphery by a peripheral fin so as to define a surface forming a stop for the free end of the tubular wall of the pusher during the second stage of movement of the pusher between the rest position and the dispensing position.
- This piston is in permanent contact on the one hand with the pusher by a first sealing lip constantly pressing against the external face of the annular expulsion channel, and on the other hand with the pump body by a second lip sealing constantly pressing against the annular side wall thereof.
- the annular valve is disposed between the front face of the pump body and the free end of the middle rod of the pusher.
- This annular valve comprises an extensible essentially circular closure membrane which is constantly in abutment against the free end of the middle rod of the pusher by its median part and is capable of coming into abutment against the annular lateral wall of the pump body by its periphery so as to close the filling opening.
- the closure membrane cooperates with the annular side wall of the pump body and with a piston closure wall, adjacent to the second sealing lip to define the dose chamber.
- the tubular end piece of the piston bears against the membrane for closing the annular valve in the rest position and during the first stage of movement between the rest position and the dispensing position in order to close the dose chamber and deviates from it during the second stage of this movement to clear the dispensing opening and allow the passage of the product contained in the dose chamber between this nozzle and the middle rod of the pusher, and its evacuation by the expulsion channel and by the opening of expulsion.
- the middle rod of the pusher can be equipped at its free end with at least one longitudinal groove and preferably with a series of longitudinal grooves uniformly distributed over its periphery. These grooves have the function of allowing the passage of the product contained in the dose chamber between the tubular end piece of the piston and the middle rod of the plunger to allow its expulsion towards the outside.
- the annular valve is constituted by a cylindrical ring, one of the front faces of which is closed by the closure membrane.
- this membrane projects on the periphery of the cylindrical ring in order to define a flange capable of coming into abutment against the annular lateral wall of the pump body to isolate the dose chamber from the internal part of the container during displacement of the dosing pump from the rest position to the dispensing position.
- this flange moves away from the annular side wall of the pump body so as to allow the filling of the dose chamber.
- the elastic deformation of the closure membrane of the annular valve creates a seal allowing the dose chamber to be hermetically isolated from the internal part of the container. while creating a spring effect allowing the automatic return of the pusher to the rest position.
- the front face of the pump body comprises members for receiving the annular valve.
- These receiving members can advantageously be constituted by a tubular sleeve surrounding the filling opening and provided with radial wedge-shaped slots allowing the passage of the product contained in the container towards the dose chamber when the dosing pump is recalled from the position of distribution to the rest position.
- the conical internal face of this tubular sleeve acts as a seat for the closure membrane while the external, cylindrical face of the latter cooperates with the pump body to define a housing for receiving the cylindrical ring of the annular valve.
- the side wall of the pump body is equipped with an obliquely inclined shoulder forming a seat for the collar of the annular valve and extending to the right of the housing for receiving the cylindrical ring by a series of slots defining passages allowing the transfer of the product contained in the container to the dose chamber when the dosing pump is returned from the dispensing position to the rest position.
- FIG. 1 is a sectional view of the dosing pump shown in the rest position on the left part and in the dispensing position on the right part,
- FIG. 2 is a sectional view of the annular valve in the rest position
- FIG. 3 is a partial section view of the tubular end piece of the piston mounted around the middle rod of the pusher
- FIG. 4 is a schematic perspective view of the receiving members of the annular valve
- Figures 5a, 5b and 5c are schematic sections showing the metering pump mounted on different containers.
- the metering pump is essentially constituted by a pump body 1 shown in Figures 5a, 5b and 5c which is mounted on a container R.
- This pump body 1 has at its internal part an annular side wall 100 of essentially cylindrical shape and a front face 101 pierced with a filling opening 25 which communicates with the interior of the container R.
- the pump body 1 contains a pusher 2, a piston 3 and an elastically deformable annular valve 4.
- the pusher 2 comprises a bearing face 5 on which the user can exert pressure according to the arrow F as well as a median rod 6 whose periphery is equipped with longitudinal grooves 7 at its free end 8. These grooves 7 are shown in more detail in FIG. 3.
- the middle rod 6 of the pusher 2 is surrounded by an expulsion channel 9 which is delimited by a tubular wall 10.
- the expulsion channel 9 communicates with an opening 11 allowing the expulsion of the product contained in the container R in a manner which will be described in more detail in the remainder of this description.
- the piston 3 which is inserted between the pump body 1 and the pusher 2 has a tubular endpiece 12 which is mounted around the middle rod 6 of the pusher 2 near the free end 8 thereof and is extends at its external periphery by a peripheral fin 13 so as to define a surface forming a stop 14 for the free end 80 of the tubular wall 10 of the pusher 2.
- the pusher 2 can slide in the internal part of the pump body 1 between a rest position represented on the left part of the figure and a dispensing position represented on the right part of it.
- the piston 3 can also slide along the pump body 1 and also along the pusher 2 and is in permanent contact with these two elements 1 and 2 on the one hand by a first annular sealing lip 15 constantly in abutment against the external face of the expulsion channel 9 of the pusher 2 and on the other hand by a second sealing lip 16 constantly in abutment against the annular lateral wall 100 of the pump body 1.
- the two annular sealing lips 15 and 16 are shown in Figure 3.
- the annular valve 4 is inserted between the pusher 2 and the piston 3 on the one hand and the front face 101 of the pump body 1 on the other hand and is constituted by a cylindrical ring 18 whose one of the front faces is closed by a closing membrane 20 of circular shape.
- This membrane 20 projects from the periphery of the cylindrical ring 18 to define a flange 21 capable of coming to bear against the annular side wall 100 of the pump body 1.
- the middle part of the closure membrane 20 of the annular valve 4 is constantly in abutment against the end 8 of the central rod 6 of the pusher 2, and can be deformed elastically by it as shown on the right side of this figure.
- This dose chamber is permanently hermetically closed by the second sealing lip 16 and can be isolated from the outside and from the internal part of the container R on the one hand by the free end 17 of the tubular end piece 12 of the piston 3 coming to bear against the closing membrane 20 of the valve 4 and on the other hand by the flange 21 coming to bear against the side wall 100 of the pump body 1.
- the front face 101 of the pump body 1 is equipped with receiving members 23 of the annular valve 4.
- these receiving members 23 include a tubular sleeve 24 surrounding the filling opening 25 for communicating the pump body 1 with the internal part of the container R.
- This tubular sleeve 24 has an external face 26 of cylindrical shape and an internal face 27 of conical shape inclined in the direction of the filling opening 25 and is equipped with radial slots 28 in the form of wedges.
- the conical internal face 27 of the tubular sleeve 24 acts as a seat for the closure membrane 20 of the annular valve 4.
- the cylindrical outer face 26 of the tubular sleeve 24 cooperates with the pump body 1 so as to define a housing 29 for receiving the cylindrical ring 18 of the annular valve 4.
- the side wall 100 of the pump body 1 is equipped with an obliquely inclined shoulder 30 forming a seat for the flange 21 of the annular valve 4.
- This shoulder 30 extends to the right of the reception housing 29 towards the front face 101 of the pump body 1 by a series of longitudinal slots 31 defining lateral passages for the product contained in the container R towards the dose chamber 32.
- the longitudinal slots 31 are extended by transverse slots 34 provided on the front face 22 of the pump body 1, the role of which will be explained in the following description.
- the container R is made of glass, in particular by blowing or in a thermoplastic material by extrusion, blowing, injection-blowing, etc.
- the pump body 1 is equipped with a dip tube 35 extending to the bottom of the container R so as to allow the suction of the product contained therein.
- the body 1 is further equipped with an opening 36 allowing the passage of compensating air coming from the outside towards the inside of the container R.
- the container Ri is associated with a piston 37 mounted at the bottom thereof and capable of moving upwards as indicated by the arrow by sliding inside the container Ri in proportion to the dose of product discharged to the outside.
- the container R2 is equipped at its internal part with a retractable pocket 38 capable of shrinking in proportion to the dose of product discharged towards the outside as indicated by the arrows represented in this figure.
- the retractable pocket 38 can be fixed either to the container R or to the pump body 1.
- the containers Ri and R2 are provided with an opening 39 in contact with the atmosphere at their lower part, but, it is not necessary to provide an external air intake similar to the air intake 36 ( Figure 5a) on the pump body 1.
- the operation of the metering pump is as follows:
- the pusher 2 In the rest position shown on the left-hand side of FIG. 1, the pusher 2 is shifted upwards as much as possible and the lower end 80 of the tubular wall 10 is not in abutment against the abutment surface 14 of the piston 3 but located at a certain distance from it.
- the dose chamber 32 contains a dose of product and is hermetically closed by the second sealing lip.
- this displacement is carried out in two stages: in a first stage, the pusher 2 slides along the piston 3, until the lower end 80 of the tubular wall 10 comes to bear against the surface forming a stop 14 and l effect of lowering the middle rod 6 pushes the closing membrane 20 of the annular valve 4 while the piston 3 is still without movement so that this closing membrane 20 moves away from the free end 17 of the end piece tubular 12 to create a dispensing opening 42.
- the dispensing opening 42 is released and the product present in the dose chamber 32 can be evacuated towards the expulsion opening 11 as shown schematically by the arrows a shown in phantom by first passing between the tubular end piece 12 of the piston 3 and the middle rod 6 of the pusher 2, penetrating in the longitudinal grooves 7 of this rod 6 then in the annular expulsion channel 9.
- the tightness thereof is guaranteed on the one hand by the second sealing lip 16 of the piston 3 and on the other hand by the flange 21 of the annular valve 4 which is constantly in abutment against the side wall 100 of the pump body 1.
- the pusher 2 is automatically returned to the rest position shown on the left part of the FIG. 1 following the elasticity of the closure membrane 20 of the annular valve 4.
- the distribution opening 42 located between the tubular end piece 12 of the piston 3 and the closure membrane 20 closes and the closure wall 33 of the piston 3 separates from the closure membrane 20 creating a vacuum .
- This depression causes the flange 21 to be raised from the shoulder 30 of the side wall 100 of the pump body 1 and the suction towards the dose chamber 32 of the product contained in the container R by the wedge-shaped radial slots 28 of the annular sleeve 24 and by the slots 31 and 34 as shown diagrammatically by the arrows b shown in phantom.
- the dose chamber 32 is thus automatically filled and the user can again exert a traction F on the bearing face 5 of the pusher 2 to empty this chamber 32 and release a dose of product and so on.
- FIG. 1 during the displacement of the pusher 2 of the piston 3 and of the annular valve 4 from the distribution position towards the rest position of the outside air is drawn towards the interior of the container R as shown schematically by the arrows c shown in dashed lines.
Landscapes
- Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)
- Reciprocating Pumps (AREA)
Abstract
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE60223671T DE60223671T2 (de) | 2001-05-10 | 2002-05-07 | Dosierpumpe |
EP02730397A EP1385633B1 (fr) | 2001-05-10 | 2002-05-07 | Pompe doseuse |
US10/477,443 US7178701B2 (en) | 2001-05-10 | 2002-05-07 | Metering pump |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR01/06175 | 2001-05-10 | ||
FR0106175A FR2824538B1 (fr) | 2001-05-10 | 2001-05-10 | Pompe doseuse |
Publications (2)
Publication Number | Publication Date |
---|---|
WO2002089996A1 true WO2002089996A1 (fr) | 2002-11-14 |
WO2002089996A8 WO2002089996A8 (fr) | 2003-12-04 |
Family
ID=8863114
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/FR2002/001564 WO2002089996A1 (fr) | 2001-05-10 | 2002-05-07 | Pompe doseuse |
Country Status (6)
Country | Link |
---|---|
US (1) | US7178701B2 (fr) |
EP (1) | EP1385633B1 (fr) |
DE (1) | DE60223671T2 (fr) |
ES (1) | ES2296925T3 (fr) |
FR (1) | FR2824538B1 (fr) |
WO (1) | WO2002089996A1 (fr) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2013160632A1 (fr) * | 2012-04-27 | 2013-10-31 | Perkins Engines Company Limited | Améliorations apportées à des soupapes |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
BE1015973A3 (fr) * | 2004-04-09 | 2005-12-06 | Oultremont Aurian D | Dispositif de spray combine avec une poche souple a maintient vertical. |
US20190168245A1 (en) * | 2016-06-02 | 2019-06-06 | Derjin (Jiangsu) Plastic Packaging Co. Ltd | Quantitative pressing sprayer and container comprising the same |
KR20230016056A (ko) * | 2020-05-29 | 2023-01-31 | 알피씨 브램라지 게엠베하 | 유체를 분배하기 위한 펌프 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1441127A (fr) * | 1964-07-15 | 1966-06-03 | Perfectionnements aux appareils distributeurs de produits | |
EP0726097A1 (fr) | 1995-01-04 | 1996-08-14 | Daniel Crosnier | Dispositif doseur adaptable sur des contenants divers |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3753518A (en) * | 1971-05-07 | 1973-08-21 | L Kutik | Pump with floating valve element |
US4911336A (en) * | 1988-09-23 | 1990-03-27 | Blake William S | Valve with interchangeable components |
FR2674024B1 (fr) * | 1991-03-11 | 1994-03-11 | Daniel Crosnier | Dispositif doseur adaptable sur des contenants divers. |
-
2001
- 2001-05-10 FR FR0106175A patent/FR2824538B1/fr not_active Expired - Fee Related
-
2002
- 2002-05-07 EP EP02730397A patent/EP1385633B1/fr not_active Expired - Lifetime
- 2002-05-07 WO PCT/FR2002/001564 patent/WO2002089996A1/fr active IP Right Grant
- 2002-05-07 DE DE60223671T patent/DE60223671T2/de not_active Expired - Lifetime
- 2002-05-07 US US10/477,443 patent/US7178701B2/en not_active Expired - Fee Related
- 2002-05-07 ES ES02730397T patent/ES2296925T3/es not_active Expired - Lifetime
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1441127A (fr) * | 1964-07-15 | 1966-06-03 | Perfectionnements aux appareils distributeurs de produits | |
EP0726097A1 (fr) | 1995-01-04 | 1996-08-14 | Daniel Crosnier | Dispositif doseur adaptable sur des contenants divers |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2013160632A1 (fr) * | 2012-04-27 | 2013-10-31 | Perkins Engines Company Limited | Améliorations apportées à des soupapes |
Also Published As
Publication number | Publication date |
---|---|
US20050023298A1 (en) | 2005-02-03 |
US7178701B2 (en) | 2007-02-20 |
ES2296925T3 (es) | 2008-05-01 |
EP1385633B1 (fr) | 2007-11-21 |
DE60223671D1 (de) | 2008-01-03 |
FR2824538B1 (fr) | 2004-01-16 |
DE60223671T2 (de) | 2008-10-30 |
EP1385633A1 (fr) | 2004-02-04 |
WO2002089996A8 (fr) | 2003-12-04 |
FR2824538A1 (fr) | 2002-11-15 |
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