WO2008129187A1 - Pompe de distribution de produit fluide et distributeur comportant une telle pompe - Google Patents
Pompe de distribution de produit fluide et distributeur comportant une telle pompe Download PDFInfo
- Publication number
- WO2008129187A1 WO2008129187A1 PCT/FR2008/050401 FR2008050401W WO2008129187A1 WO 2008129187 A1 WO2008129187 A1 WO 2008129187A1 FR 2008050401 W FR2008050401 W FR 2008050401W WO 2008129187 A1 WO2008129187 A1 WO 2008129187A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- pump
- ferrule
- actuating rod
- sealingly
- piston
- 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
- B05B11/0005—Components or details
- B05B11/0037—Containers
- B05B11/0039—Containers associated with means for compensating the pressure difference between the ambient pressure and the pressure inside the container, e.g. pressure relief means
- B05B11/0044—Containers associated with means for compensating the pressure difference between the ambient pressure and the pressure inside the container, e.g. pressure relief means compensating underpressure by ingress of atmospheric air into the container, i.e. with venting means
-
- 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
- B05B11/105—Sealing arrangements around pump 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
- B05B11/1001—Piston pumps
- B05B11/1016—Piston pumps the outlet valve having a valve seat located downstream a movable valve element controlled by a pressure actuated controlling element
- B05B11/1018—Piston pumps the outlet valve having a valve seat located downstream a movable valve element controlled by a pressure actuated controlling element and the controlling element cooperating with means for opening or closing the inlet valve
Definitions
- Fluid dispensing pump and dispenser comprising such a pump
- the present invention relates to a fluid dispenser pump and a dispenser comprising such a pump.
- Fluid dispensing pumps are well known in the state of the art. There are different types, including so-called atmospheric pumps, in which the depression created inside the tank by the distribution of a dose of product is compensated by venting air penetrating inside the device from the outside.
- this type of pump there is generally a ferrule fitted into the pump body and which cooperates sealingly with the piston in the rest position, firstly to define the rest position of the piston, and secondly to seal the pump and thus avoid any risk of leakage, for example when the device on which the pump is assembled is stored in an inverted position with the pump located below the tank.
- This static seal between the ferrule and the piston is fragile because generally consists solely of an annular contact between the edge of the inner diameter of the ferrule and the cone of the piston.
- the fixing ring, snap-in, crimpable or screwable, used to fix the pump on the tank must also cooperate sealingly with the ferrule, and to do this is generally provided a seal.
- This can be disadvantageous from a point of view of the complexity of the assembly of the pump, and therefore from the point of view of manufacturing and assembly costs thereof.
- the documents EP-1 466 669, EP-1 609 529 and US Pat. No. 4,249,676 describe devices of the prior art.
- the present invention aims to provide a fluid dispensing pump that does not reproduce the aforementioned drawbacks.
- the present invention aims to provide a fluid dispensing pump which substantially reduces the risk of leakage in the rest position of the pump.
- the present invention also aims to provide a fluid dispensing pump that allows to define accurately and sustainably the rest position of the pump, even after a large number of uses thereof.
- the present invention also aims to provide a fluid dispenser pump that is simple and inexpensive to manufacture and assemble.
- the present invention therefore relates to a fluid dispensing pump, comprising a pump body, a piston sliding in a sealed manner in said pump body between a rest position and an actuating position, said piston being secured to an actuating rod extending axially out of said pump body, a ferrule being mounted on the upper edge of said pump body, said ferrule defining the rest position of said piston, said ferrule cooperating sealingly with the actuating rod; when the actuating rod moves between the rest position and an intermediate position, and said ferrule cooperating unsealed with the actuating rod when the actuating rod moves between said intermediate position and the actuating position , to allow the venting of the pump, with in the rest position, said piston which is out of contact with said ferrule.
- said actuating rod comprises a lower part of larger diameter and a smaller diameter upper part, said lower and upper parts being connected by a part joining said ferrule cooperating sealingly with said lower part of larger diameter during the displacement of said actuating rod between the rest position and the intermediate position, and said ferrule cooperating unsealed with said upper part of more small diameter when moving the actuating rod between the intermediate position and the actuating position, said non-sealed cooperation between the ferrule and the actuating rod for venting the pump.
- said ferrule cooperates sealingly with the actuating rod, between the rest and intermediate positions, by an elastically deformable contact zone, which at rest at an inside diameter greater than the outside diameter of said smaller diameter upper part. of the actuating rod, and an inner diameter smaller than the outer diameter of said lower portion of larger diameter of the actuating rod, so that said contact zone is elastically deformed outwardly when cooperating in a manner sealed with said lower part of larger diameter.
- said junction zone is frustoconical, to facilitate the passage of said contact zone of the collar on said lower part of larger diameter.
- said shell comprises a shoulder, preferably frustoconical, adapted to form a stop with a junction portion, preferably frustoconical, of the actuating rod, to define the rest position of the piston.
- said ferrule comprises a radial flange which rests on the upper end edge of the pump body, and an axial sleeve which extends at least partially inside said pump body, the lower end of which forms a zone contact which cooperates with said actuating rod.
- said radial flange supports a seal cooperating in a sealed manner with said ferrule and with a fixing ring adapted to fix the pump on a tank containing fluid to be dispensed.
- said radial flange cooperates sealingly with a fixing ring adapted to fix the pump on a reservoir containing fluid to be dispensed.
- said radial flange comprises a sealing profile on its upper axial surface which cooperates sealingly with the fixing ring.
- said radial flange comprises at least one sealing lip on its radially outer edge which cooperates sealingly with the fixing ring.
- said ferrule is made of a relatively flexible material, such as a material comprising low density polyethylene (LDPE).
- LDPE low density polyethylene
- the present invention also relates to a fluid dispenser device comprising a reservoir containing fluid, and a pump as described above, said pump being assembled on said reservoir by means of a fixing ring.
- FIG. 1 is a diagrammatic cross-sectional view of a fluid dispenser device comprising a fluid dispenser pump according to an advantageous embodiment of the present invention, in the rest position,
- FIG. 2 is a view similar to that of FIG. 1, in the actuation position of the pump,
- FIG. 3 is a detailed view of the cooperation between the ferrule and the actuating rod, in the rest position of the pump, according to a first embodiment of the invention
- FIG. 4 is a view similar to that of FIG. 3, showing another variant embodiment of the present invention.
- FIG. 5 shows yet another alternative embodiment of the present invention.
- the device comprises a reservoir 1 provided with a neck 2, a pump 10 being assembled on said neck 2 of the reservoir 1 by means of a fixing ring 5, preferably with the interposition of a seal 9, called seal of col.
- the pump comprises a pump body 11 provided with an upper end edge 12.
- a piston 20 slides sealingly inside said pump body 11 at each actuation to dispense a dose of product from the tank 1.
- the internal structure of the pump will not be described in more detail below, because the present invention applies to all types of pumps, and is in no way limited by the specific characteristics of the pump given as 1 and 2.
- the piston 20 is integral, in particular one-piece, as shown in the drawings, with an actuating rod 30 on which a dispensing head or pusher (not shown) is assembled. ) on which the user will directly or indirectly support to operate the pump.
- a ferrule 40 is assembled inside the pump body 11, and cooperates with the piston 20 to define the rest position thereof.
- the ferrule 40 supports a seal 50 adapted to achieve the seal between the ferrule 40 and the fixing ring 5.
- This fixing ring 5 can be any, including crimpable as shown in the drawings, but it could also be snap-on, screw-on or any other suitable fixing ring.
- the pump shown is a so-called atmospheric pump, that is to say that in the rest position, it is sealed against the atmosphere, but when actuated, the product dispensed out of tank must be replaced by a corresponding amount of air coming from the outside, so that there is a venting system in the pump.
- the ferrule 40 cooperates sealingly with the actuating rod 30 when the actuating rod moves between the rest position shown in FIG. 1 is an intermediate position, and said ferrule 40 no longer co-operates with sealingly with the actuating rod 30 between said intermediate position and the actuating position shown in Figure 2.
- the system of Ventilation is opened in a conventional manner.
- the ferrule 40 comprises a radial flange 45 which rests on the upper edge 12 of the pump body 11.
- the ferrule 40 also comprises an axial sleeve 44 which at least partially penetrates the liner. inside the pump body. Part of this axial sleeve 44, preferably its lower end, in the position shown in Figures 1 and 2, forms a contact zone 41 which is adapted to cooperate sealingly with said actuating rod 30 between the positions of rest and intermediate, as described above.
- the actuating rod 30 comprises a lower portion 31 of larger diameter and an upper portion 32 of smaller diameter, said lower and upper portions 31, 32 being connected by a junction portion 33, preferably frustoconical.
- the contact zone 41 of the ferrule 40 cooperates sealingly with said lower portion 31 of larger diameter, whereas when this contact zone 41 reaches the intermediate position, it becomes is then at the junction zone 33, and it then no longer cooperates sealingly with the actuating rod, at the upper portion 32 of smaller diameter, allowing the opening of the venting system.
- this joining part In order to facilitate the passage of this contact zone 41 on the part of larger diameter 31, this joining part
- the contact zone 41 of the ferrule will slide sealingly against the lower part of larger diameter 31 of the rod of FIG. actuation. Only when the actuating rod reaches the intermediate position, which may advantageously be relatively close to the actuating position, the venting system is open at the moment when the contact zone 41 of the ferrule will not cooperate. more tightly with the actuating rod 30.
- the ferrule 40 has a shoulder 43, preferably frustoconical, preferably of a shape corresponding to the joining portion
- the outer lateral surface 46 of the axial sleeve 44 of the ferrule 40 non-sealingly cooperates with the inside of the pump body 11.
- the venting path can flow between the shell and the body of the pump. pump, then around the upper edge of the pump body, and between the outside of the pump body and the fixing ring into the reservoir.
- the outer side surface 46 and the lower surface of the radial flange 45 may include a vent groove.
- the sealed contact zone 41 is elastically deformable, and comprises at rest, that is to say in an unstressed position, which corresponds to the actuating position of the pump FIG. 2 shows an inside diameter greater than the outside diameter of the upper part 32 of smaller diameter of the actuating rod 30.
- the inside diameter of the contact zone 41 is preferably smaller than the outside diameter of the lower portion 31 of larger diameter of the actuating rod 30.
- the actuating rod 30 could be of constant outside diameter over the actuating stroke, but could comprise one or more grooves, advantageously axial, from which the cooperation between the rod of actuation and the ferrule is no longer waterproof.
- Other variants are also conceivable, as long as an intermediate position is defined in the actuating stroke, before which the ferrule cooperates sealingly with the rod, and after which there is no longer sealing.
- FIG 3 shows a detail view of the pump shown in Figures 1 and 2.
- FIG. 4 shows another variant embodiment, in which there is no seal 50 provided between the ferrule and the fixing ring 5.
- it is the radial flange 45 of the ferrule 40, which comprises on its upper axial surface a sealing profile which cooperates sealingly with the fixing ring 5.
- This sealing profile may comprise one or more beads as shown in the figure, and could take any form suitable for sealing.
- FIG. 5 shows another variant embodiment in which it is the radially outer edge of the radial flange 45 of the ferrule 40 which comprises at least one sealing lip 49 adapted to cooperate in a manner The sealing ring with the fixing ring 5.
- other sealing profiles could be provided at this level.
- the shell in a relatively flexible material to achieve good seals, for example a material comprising low density polyethylene LDPE.
- a material comprising low density polyethylene LDPE will be particularly advantageous to allow the creation of the seal at the contact zone 41 when it cooperates sealingly with the actuating rod, and in particular to allow its deformation in the mode of where it would be of smaller dimensions than the lower part of larger diameter 31 of the actuating rod 30.
- the LDPE also promotes sealing with the fixing ring in the variants of Figures 4 and 5.
- the seamless embodiments 50 are also advantageous in that they allow an improvement in the positional accuracy of the fixing ring relative to the pump, due to the lower axial compressibility related to the absence of the seal.
Landscapes
- Details Of Reciprocating Pumps (AREA)
- Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)
- Reciprocating Pumps (AREA)
Abstract
Description
Claims
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2008800080742A CN101631624B (zh) | 2007-03-12 | 2008-03-10 | 流体产品分配泵和具有该泵的分配器 |
DE602008001978T DE602008001978D1 (de) | 2007-03-12 | 2008-03-10 | Pumpe zur verteilung eines flüssigprodukts und spender mit einer solchen pumpe |
US12/530,689 US8292130B2 (en) | 2007-03-12 | 2008-03-10 | Pump for distributing liquid product and dispenser comprising such a pump |
JP2009553187A JP5216786B2 (ja) | 2007-03-12 | 2008-03-10 | 流体ディスペンサポンプ、および、当該ポンプを有するディスペンサ |
EP08775703A EP2139605B1 (fr) | 2007-03-12 | 2008-03-10 | Pompe de distribution de produit fluide et distributeur comportant une telle pompe |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR0753766A FR2913731B1 (fr) | 2007-03-12 | 2007-03-12 | Pompe de distribution de produit fluide et distributeur comportant une telle pompe |
FR0753766 | 2007-03-12 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2008129187A1 true WO2008129187A1 (fr) | 2008-10-30 |
Family
ID=38667121
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/FR2008/050401 WO2008129187A1 (fr) | 2007-03-12 | 2008-03-10 | Pompe de distribution de produit fluide et distributeur comportant une telle pompe |
Country Status (7)
Country | Link |
---|---|
US (1) | US8292130B2 (fr) |
EP (1) | EP2139605B1 (fr) |
JP (1) | JP5216786B2 (fr) |
CN (1) | CN101631624B (fr) |
DE (1) | DE602008001978D1 (fr) |
FR (1) | FR2913731B1 (fr) |
WO (1) | WO2008129187A1 (fr) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR3002293B1 (fr) * | 2013-02-15 | 2015-04-10 | Aptar France Sas | Pompe a precompression amelioree. |
NL2015724B1 (en) | 2015-11-04 | 2017-05-24 | Gab Eng & Dev B V | Storage holder for a dispenser. |
NL2016644B1 (en) | 2016-04-20 | 2017-11-07 | Gab Eng & Development B V | Storage holder for a dispenser |
CN107694789A (zh) * | 2017-08-19 | 2018-02-16 | 中山市联昌喷雾泵有限公司 | 一种360度喷雾泵 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4249676A (en) * | 1979-05-31 | 1981-02-10 | Hallmark Cards Incorporated | Air vent check valve |
EP1095871A1 (fr) * | 1999-10-26 | 2001-05-02 | L'oreal | Pompe destinée à équiper un récipient, comportant une membrane élastiquement déformable à l'extérieur de la chambre de pompage |
EP1466669A1 (fr) * | 2003-04-11 | 2004-10-13 | L'oreal | Pompe permettant de distribuer un produit dans differéntes position et récipient pour celle-lui |
EP1609529A1 (fr) * | 2004-06-22 | 2005-12-28 | LUMSON S.r.l. | Pompe actionnable manuellement pour la distribution de substances crémeuses |
Family Cites Families (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3391647A (en) * | 1967-01-30 | 1968-07-09 | Calmar Inc | Liquid dispensing pump |
US4089442A (en) * | 1976-09-30 | 1978-05-16 | Ethyl Corporation | Accumulative pressure pump |
US4189064A (en) * | 1978-06-01 | 1980-02-19 | Diamond International Corporation | Pumps sprayer |
US4402432A (en) | 1980-02-13 | 1983-09-06 | Corsette Douglas Frank | Leak-proof dispensing pump |
US4938392A (en) * | 1988-11-29 | 1990-07-03 | Su Cheng Yuan | Anti-leakage structure for a liquid atomizer |
FR2694607B1 (fr) * | 1992-08-10 | 1994-10-07 | Step Soc Tech Pulverisation | Perfectionnement à l'assemblage d'une pompe dans un réservoir. |
IT237024Y1 (it) * | 1995-07-11 | 2000-08-31 | Coster Tecnologie Speciali Spa | Vaporizzatore di liquidi con tappo di caricamento |
US5560520A (en) * | 1995-08-07 | 1996-10-01 | Calmar Inc. | Precompression pump sprayer |
US5738250A (en) * | 1997-04-07 | 1998-04-14 | Calmar Inc. | Liquid dispensing pump having water seal |
US6006949A (en) * | 1998-01-12 | 1999-12-28 | Continental Sprayers International, Inc. | Manually operated reciprocating liquid pump with sealing vent opening |
US6036059A (en) * | 1998-06-16 | 2000-03-14 | Risdon/Ams Usa, Inc. | Low profile and low force actuation dispensing pump |
FR2798368B1 (fr) * | 1999-09-09 | 2001-11-23 | Valois Sa | Pompe de distribution de produit fluide amelioree, et dispositif de distribution de produit fluide comportant une telle pompe |
FR2838785B1 (fr) * | 2002-04-17 | 2005-09-09 | Valois Sa | Pompe de distribution de produit fluide |
US7147135B2 (en) * | 2002-07-25 | 2006-12-12 | Valois Sas | Manually actuated fluid dispenser pump |
JP3962925B2 (ja) * | 2003-03-27 | 2007-08-22 | 伸晃化学株式会社 | 点鼻薬容器の薬液噴霧機構 |
US7503466B2 (en) * | 2003-04-11 | 2009-03-17 | L'oreal | Pump and receptacle fitted therewith |
FR2859460B1 (fr) * | 2003-09-10 | 2005-11-04 | Valois Sas | Pompe de distribution de produit fluide |
US7637395B2 (en) * | 2006-08-22 | 2009-12-29 | Hsih Tung Tolling Co., Ltd. | Pump with a pressure driving head |
-
2007
- 2007-03-12 FR FR0753766A patent/FR2913731B1/fr active Active
-
2008
- 2008-03-10 WO PCT/FR2008/050401 patent/WO2008129187A1/fr active Application Filing
- 2008-03-10 DE DE602008001978T patent/DE602008001978D1/de active Active
- 2008-03-10 CN CN2008800080742A patent/CN101631624B/zh active Active
- 2008-03-10 JP JP2009553187A patent/JP5216786B2/ja active Active
- 2008-03-10 US US12/530,689 patent/US8292130B2/en active Active
- 2008-03-10 EP EP08775703A patent/EP2139605B1/fr active Active
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4249676A (en) * | 1979-05-31 | 1981-02-10 | Hallmark Cards Incorporated | Air vent check valve |
EP1095871A1 (fr) * | 1999-10-26 | 2001-05-02 | L'oreal | Pompe destinée à équiper un récipient, comportant une membrane élastiquement déformable à l'extérieur de la chambre de pompage |
EP1466669A1 (fr) * | 2003-04-11 | 2004-10-13 | L'oreal | Pompe permettant de distribuer un produit dans differéntes position et récipient pour celle-lui |
EP1609529A1 (fr) * | 2004-06-22 | 2005-12-28 | LUMSON S.r.l. | Pompe actionnable manuellement pour la distribution de substances crémeuses |
Also Published As
Publication number | Publication date |
---|---|
EP2139605A1 (fr) | 2010-01-06 |
JP5216786B2 (ja) | 2013-06-19 |
US20100038383A1 (en) | 2010-02-18 |
JP2010521283A (ja) | 2010-06-24 |
CN101631624B (zh) | 2013-03-27 |
FR2913731B1 (fr) | 2013-08-09 |
CN101631624A (zh) | 2010-01-20 |
EP2139605B1 (fr) | 2010-07-28 |
DE602008001978D1 (de) | 2010-09-09 |
US8292130B2 (en) | 2012-10-23 |
FR2913731A1 (fr) | 2008-09-19 |
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