EP2139605B1 - Pumpe zur verteilung eines flüssigprodukts und spender mit einer solchen pumpe - Google Patents

Pumpe zur verteilung eines flüssigprodukts und spender mit einer solchen pumpe Download PDF

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Publication number
EP2139605B1
EP2139605B1 EP08775703A EP08775703A EP2139605B1 EP 2139605 B1 EP2139605 B1 EP 2139605B1 EP 08775703 A EP08775703 A EP 08775703A EP 08775703 A EP08775703 A EP 08775703A EP 2139605 B1 EP2139605 B1 EP 2139605B1
Authority
EP
European Patent Office
Prior art keywords
pump
ferrule
actuator rod
leaktight manner
operates
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.)
Active
Application number
EP08775703A
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English (en)
French (fr)
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EP2139605A1 (de
Inventor
François LEMANER
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Aptar France SAS
Original Assignee
Valois SAS
Priority date (The priority date 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 date listed.)
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Publication date
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Application filed by Valois SAS filed Critical Valois SAS
Publication of EP2139605A1 publication Critical patent/EP2139605A1/de
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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

  • 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 U.S. 4,249,676 describe devices of the prior art according to the preamble of claim 1.
  • 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 dispenser pump according to claim 1.
  • 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 ferrule 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.
  • 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 example on figures 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) assembles on which the user will directly or indirectly 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, screwable 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 represented on the figure 1 is an intermediate position, and said ferrule 40 no longer cooperates sealingly with the actuating rod 30 between said intermediate position and the actuating position represented on the figure 2 .
  • the venting system is open 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 inside the pump body.
  • 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 junction portion 33 is preferably frustoconical.
  • the ferrule 40 comprises a shoulder 43, preferably frustoconical, preferably of a shape corresponding to the junction portion 33 of the actuating rod, and which is adapted to form a stop with this junction portion 33 of the rod actuator 30, thereby to define the rest position of the piston 20.
  • This rest position which is shown on the figure 1 is therefore very precisely definable, and in this rest position there is no longer any contact between the piston 20 and the ferrule 40. There is therefore no risk that even slight deformation of the piston 20 causes a modification the rest position of the pump.
  • the outer lateral surface 46 of the axial sleeve 44 of the shell 40 cooperates in a non-sealing manner 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 represented on the figure 2 , an inner diameter greater than the outer diameter of the upper portion 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.
  • the figure 3 represents a detailed view of the pump shown on the figures 1 and 2 .
  • the figure 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 has on its surface upper axial 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.
  • the figure 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 ferrule in a relatively flexible material which makes it possible to produce good seals, for example a material comprising LDPE low density polyethylene.
  • a material comprising LDPE low density polyethylene 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 the 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)
  • Reciprocating Pumps (AREA)
  • Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)

Claims (12)

  1. Pumpe zur Abgabe eines Flüssigprodukts (10), aufweisend einen Pumpenkörper (11), einen Kolben (20), der in dem Pumpenkörper (11) abgedichtet gleitet zwischen eine Ruhestellung und einer Betätigungsstellung, wobei der Kolben (20) mit einer Betätigungsstange (30) fest verbunden ist, die sich axial aus dem Pumpenkörper (11) heraus erstreckt, einen Ring (40), der auf dem oberen Rand (12) des Pumpenkörpers (11) angebracht ist, wobei der Ring (40) die Ruhestellung des Kolbens (20) festlegt,
    dadurch gekennzeichnet, dass der Ring (40) mit der Betätigungsstange (30) abgedichtet zusammenwirkt, wenn die Betätigungsstange (30) sich zwischen der Ruhestellung und einer Zwischenstellung verschiebt, und dass der Ring (40) in nicht abgedichteter Weise mit der Betätigungsstange (30) zusammenwirkt, wenn die Betätigungsstange (30) sich zwischen der Zwischenstellung und der Betätigungsstellung verschiebt, um die Belüftung der Pumpe (10) zu ermöglichen, wobei der Kolben (20) sich in der Ruhestellung außer Kontakt mit dem Ring (40) befindet
  2. Pumpe nach Anspruch 1, wobei die Betätigungsstange (30) einen unteren Teil (31) größeren Durchmessers und einen oberen Teil (32) kleineren Durchmessers aufweist, wobei die unteren und oberen Teile (31, 32) durch einen Verbindungsteil (33) verbunden sind, wobei der Ring (40) in abgedichteter Weise mit dem unteren Teil (31) größeren Durchmessers bei der Verschiebung der Betätigungsstange (30) zwischen der Ruhestellung und der Zwischenstellung zusammenwirkt, und wobei der Ring (40) in nicht abgedichteter Weise mit dem oberen Teil (32) kleineren Durchmessers zusammenwirkt, wobei eine Verschiebung der Betätigungsstange (30) zwischen der Zwischenstellung und der Betätigungsstellung zusammenwirkt, wobei das nicht abgedichtete Zusammenwirken zwischen dem Ring (40) und der Betätigungsstange (30) die Belüftung der Pumpe (10) erlaubt.
  3. Pumpe nach Anspruch 2, wobei der Ring (40) in abgedichteter Weise mit der Betätigungsstange (30) zwischen den Ruhe- und Zwischenstellungen über eine elastisch verformbare Kontaktzone (41) zusammenwirkt, die in Ruhestellung einen Innendurchmesser aufweist, der größer ist als der Außendurchmesser des oberen Teils (32) geringeren Durchmessers der Betätigungsstange (30) und einen Innendurchmesser, der kleiner ist als der Außendurchmesser des unteren Teils (31) größeren Durchmessers der Betätigungsstange (30), so dass die Kontaktzone (41) nach außen elastisch verformt wird, wenn sie in abgedichteter Weise mit dem unteren Teil (31) größeren Durchmessers zusammenwirkt.
  4. Pumpe nach Anspruch 3, wobei die Verbindungszone (33) kegelstumpfförmig ist, um das Passieren der Kontaktzone (41) des Rings (40) auf dem unteren Teil (31) größeren Durchmessers zu erleichtern.
  5. Pumpe nach einem der vorangehenden Ansprüche, wobei der Ring (40) eine bevorzugte kegelstumpfförmige Schulter (43) aufweist, die dazu ausgelegt ist, einen Anschlag für einen bevorzugt kegelstumpfförmigen Verbindungsteil (33) der Betätigungsstange (30) zu bilden, um die Ruhestellung des Kolbens (20) festzulegen.
  6. Pumpe nach einem der vorangehenden Ansprüche, wobei der Ring (40) einen radialen Flansch (45) aufweist, der auf dem oberen Außenrand (12) des Pumpenkörpers (11) ruht, und einen axialen Stutzen (44), der sich zumindest teilweise im Inneren des Pumpenkörpers (11) erstreckt, dessen unteres Ende (41) eine Kontaktzone bildet, die mit der Betätigungsstange (30) zusammenwirkt.
  7. Pumpe nach Anspruch 3, wobei der radiale Flansch (45) eine Dichtung (50) aufweist, die in abgedichteter Weise mit dem Ring (40) und mit einem Festlegungsring (5) zusammenwirkt, der dazu ausgelegt ist, die Pumpe (10) auf einen Vorratsbehälter (1) festzulegen, der abzugebendes Flüssigprodukt enthält.
  8. Pumpe nach Anspruch 6, wobei der radiale Flansch (45) in abgedichteter Weise mit einem Festlegungsring (5) zusammenwirkt, der dazu ausgelegt ist, die Pumpe (10) auf einem Vorratsbehälter (1) festzulegen, der ein abzugebendes Flüssigprodukt enthält.
  9. Pumpe nach Anspruch 8, wobei der radiale Flansch (45) ein Dichtungsprofil (48) auf seiner oberen axialen Oberseite aufweist, das mit dem Festlegungsring (5) in abgedichteter Weise zusammenwirkt.
  10. Pumpe nach Anspruch 8 oder 9, wobei der radiale Flansch (45) zumindest eine Dichtungslippe (49) auf seinem radialen Außenrand aufweist, die in abgedichteter Weise mit dem Festlegungsring (5) zusammenwirkt.
  11. Pumpe nach einem der vorangehenden Ansprüche, wobei der Ring (40) aus einem relativ nachgiebigen Material gebildet ist, wie etwa einem Material, das Polyethylen geringer Dichte (PEBD) aufweist.
  12. Flüssigproduktspender, aufweisend einen Vorratsbehälter (1), der ein Flüssigprodukt enthält, und eine Pumpe (10) nach einem der vorangehenden Ansprüche, wobei die Pumpe (10) auf den Vorratsbehälter (1) mittels eines Festlegungsrings (5) montiert ist.
EP08775703A 2007-03-12 2008-03-10 Pumpe zur verteilung eines flüssigprodukts und spender mit einer solchen pumpe Active EP2139605B1 (de)

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
PCT/FR2008/050401 WO2008129187A1 (fr) 2007-03-12 2008-03-10 Pompe de distribution de produit fluide et distributeur comportant une telle pompe

Publications (2)

Publication Number Publication Date
EP2139605A1 EP2139605A1 (de) 2010-01-06
EP2139605B1 true EP2139605B1 (de) 2010-07-28

Family

ID=38667121

Family Applications (1)

Application Number Title Priority Date Filing Date
EP08775703A Active EP2139605B1 (de) 2007-03-12 2008-03-10 Pumpe zur verteilung eines flüssigprodukts und spender mit einer solchen pumpe

Country Status (7)

Country Link
US (1) US8292130B2 (de)
EP (1) EP2139605B1 (de)
JP (1) JP5216786B2 (de)
CN (1) CN101631624B (de)
DE (1) DE602008001978D1 (de)
FR (1) FR2913731B1 (de)
WO (1) WO2008129187A1 (de)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
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
FR3096089B1 (fr) * 2019-05-14 2022-08-05 Aptar France Sas Procédé d'assemblage d'une pompe à précompression haute pression

Family Cites Families (22)

* Cited by examiner, † Cited by third party
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
US4249676A (en) * 1979-05-31 1981-02-10 Hallmark Cards Incorporated Air vent check valve
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
FR2800132B1 (fr) 1999-10-26 2002-03-08 Oreal POMPE DESTINEE A EQUIPER UN RECIPIENT, COMPORTANT UNE MEMBRANE ELASTIQUEMENT DEFORMABLE A l'EXTERIEUR DE LA CHAMBRE DE POMPAGE
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
FR2853697B1 (fr) * 2003-04-11 2006-07-28 Oreal Pompe et recipient ainsi equipe
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
ITMI20041249A1 (it) * 2004-06-22 2004-09-22 Lumson Spa Pompa ad azionamento manuale per l'erogazione di sostanze cremose
US7637395B2 (en) * 2006-08-22 2009-12-29 Hsih Tung Tolling Co., Ltd. Pump with a pressure driving head

Also Published As

Publication number Publication date
US8292130B2 (en) 2012-10-23
JP5216786B2 (ja) 2013-06-19
WO2008129187A1 (fr) 2008-10-30
DE602008001978D1 (de) 2010-09-09
CN101631624B (zh) 2013-03-27
FR2913731B1 (fr) 2013-08-09
FR2913731A1 (fr) 2008-09-19
EP2139605A1 (de) 2010-01-06
CN101631624A (zh) 2010-01-20
JP2010521283A (ja) 2010-06-24
US20100038383A1 (en) 2010-02-18

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