EP2006028A1 - Pumpe zur Verteilung eines flüssigen Produkts mit verbesserter Zündung - Google Patents

Pumpe zur Verteilung eines flüssigen Produkts mit verbesserter Zündung Download PDF

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Publication number
EP2006028A1
EP2006028A1 EP08290583A EP08290583A EP2006028A1 EP 2006028 A1 EP2006028 A1 EP 2006028A1 EP 08290583 A EP08290583 A EP 08290583A EP 08290583 A EP08290583 A EP 08290583A EP 2006028 A1 EP2006028 A1 EP 2006028A1
Authority
EP
European Patent Office
Prior art keywords
pump
cylinder
channel
liquid
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
Application number
EP08290583A
Other languages
English (en)
French (fr)
Other versions
EP2006028B1 (de
Inventor
François NICOLLE
David Leuliet
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.)
Silgan Dispensing Systems Le Treport SAS
Original Assignee
Rexam Dispensing Systems 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.)
Filing date
Publication date
Application filed by Rexam Dispensing Systems SAS filed Critical Rexam Dispensing Systems SAS
Publication of EP2006028A1 publication Critical patent/EP2006028A1/de
Application granted granted Critical
Publication of EP2006028B1 publication Critical patent/EP2006028B1/de
Ceased legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • B05B11/01—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
    • B05B11/1061—Pump priming 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
    • B05B11/1001—Piston pumps
    • B05B11/1004—Piston pumps comprising a movable cylinder and a stationary piston
    • 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
    • B05B11/1074—Springs located outside pump chambers
    • 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
    • B05B11/0062—Outlet valves actuated by the pressure of the fluid to be sprayed

Definitions

  • the invention relates to a pump for dispensing liquid or semi-liquid product, designed in particular for closing a container containing the liquid product to be dispensed.
  • the pump according to the invention is particularly, but not exclusively, designed to be implemented in the pharmaceutical field.
  • the pumps generally used for the distribution of liquid or semi-liquid product are the pumps of the type called "needle pump".
  • Such pumps comprise in the upper part a free mounted needle in displacement between a closed position where it closes the end opening of the pump, and prevents any product delivery, and an open position where it lets the liquid pass. through said end opening.
  • Such pumps comprise, in a conventional manner, a first pump chamber cylinder, which communicates with a setting tube via a check valve, and in which is slidably mounted a hollow piston. They also comprise a second cylinder, which communicates with the first cylinder, in which is slidably mounted a second piston constituted by a needle, able to interrupt the communication between the first cylinder and a dispensing nozzle. They finally comprise elastic means, of the metal spring type operating in compression, which act on the needle so as to maintain the latter in a closed position where said communication is interrupted.
  • Such pumps do not meet the current requirements for quality standards, because, for example, that the liquid product can be polluted by contact with the metal return spring of the needle in the closed position after dispensing the liquid product.
  • a pump comprising a needle consisting of a base surmounted by a rod, and a dispensing head manually movable on a pump body, between a rest position and a punctual delivery position of the liquid product .
  • the head comprises elastic return means respectively said needle in the closed position of a dispensing orifice and the dispensing head in the rest position.
  • the return means are arranged in the dispensing head so as not to. to be in contact with the liquid product to be dispensed.
  • the dispensing head further comprises a channel ensuring the passage of the liquid product between the metering chamber and a second chamber formed at the end of said dispensing head so as to communicate with the orifice of the dispensing head.
  • the opening of the dispensing orifice is performed under the action of the pressure exerted by the liquid product contained in the second chamber on the needle. More specifically, under the action of a pressure exerted by a user on the dispensing head, the liquid product contained in the metering chamber is compressed. This then exerts pressure on the liquid product contained in the channel, and indirectly on the liquid product contained in the second chamber. The liquid product contained in the second chamber, exerting pressure on the base of the needle, then compresses the elastic return means of the needle. Under this action, the stem of the needle deviates from the orifice of distribution, releasing a passage through which the liquid product is ejected to the outside of the pump.
  • This type of pump requires, prior to dispensing the product, a priming, that is to say the evacuation of air that has been trapped in the metering chamber, in the channel and in the second chamber during of the pump assembly.
  • a priming that is to say the evacuation of air that has been trapped in the metering chamber, in the channel and in the second chamber during of the pump assembly.
  • the principle of evacuation of the air is similar to that of the distribution of the liquid product described above.
  • the pressure exerted by the air contained in the second metering chamber is not always sufficient to allow to move the needle from the dispensing orifice and thus open the passage to eject the air out of the pump. It follows therefore difficulties priming the pump.
  • the invention aims in particular to overcome the disadvantages of the prior art described above, and more particularly those of the patent application.
  • WO 2006/125880 by proposing a pump whose priming is improved.
  • the invention relates to a pump for dispensing liquid or semi-liquid product, intended in particular to be used in the pharmaceutical or cosmetic field, said pump comprising a pump body and a head dispensing device manually movable on the pump body, between a rest position and a point of product punctual delivery, the dispensing head comprising a cylinder forming a metering chamber of the pump, which chamber communicates with a liquid-collecting tube by via an intake valve means, said cylinder being slidably mounted in the pump body, and a channel for passage of product or air from the dosing chamber to an ejection port of the liquid product or air.
  • the pump is remarkable in that the dispensing head comprises an exhaust valve consisting of a rod slidably mounted inside the cylinder and whose lower end closes the dosing chamber in the upper part, the rod comprising means for sealing the channel consisting of a peripheral shoulder adapted to bear on a seat complementary sealing formed in the cylinder, the opening of the channel being effected by spacing the sealing seat of the cylinder opposite the shoulder of the rod after an advance abutment of the rod during the axial displacement of the cylinder in the pump body.
  • the opening of the channel is achieved by abutment of the lower end of the rod against the inlet valve means, the cylinder continuing its axial displacement in the pump body.
  • This configuration relates more specifically to the pre-evacuation phase of the air contained in the metering chamber (priming phase of the pump).
  • the opening of the channel is achieved by abutment of the lower end of the rod under the action of the pressure exerted by the product contained in the metering chamber, the cylinder continuing its axial displacement in the pump body.
  • This configuration relates more specifically to the distribution phase of the product contained in the metering chamber.
  • the exhaust valve is arranged with the cylinder to define a compartment in which is housed an elastic return means of the exhaust valve in the closed position of the channel, the compartment being isolated from the metering chamber by means of waterproof closure.
  • the spring which ensures a perfect sealing of the metering chamber at the top by pushing the exhaust valve against the sealing seat of the cylinder, is never in contact with the liquid product. Any risk of contamination of it is avoided.
  • the sealing means consist of a radial lip formed on the upper end of the outer wall of the rod.
  • the dispensing head comprises an air exhaust duct contained in the compartment during the manual movement of the dispensing head on the pump body, the exhaust duct being formed above the compartment.
  • This duct makes it possible to evacuate the compressed air in the compartment during the axial displacement of the exhaust valve during the actuation of the pump. It will also control the tightness of the closure means insulating the compartment of the metering chamber.
  • the dispensing head comprises a push button for actuating the axial displacement of the cylinder in the pump body, said push button being fitted on the upper part of the cylinder by means of a first skirt.
  • the channel is formed between the outer wall of the cylinder and the inner wall of the fitting skirt.
  • the pump comprises an elastic return means of the dispensing head in the rest position housed between the fitting skirt and a second skirt external to the fitting skirt.
  • an elastic return means of the dispensing head in the rest position housed between the fitting skirt and a second skirt external to the fitting skirt.
  • the pump comprises means for supporting and fixing on a liquid or semi-liquid product dispenser.
  • the invention relates to a liquid or semi-liquid product dispenser, for the purpose of a therapeutic or cosmetic treatment, provided with a pump according to any one of the preceding claims.
  • the pump which will be described is particularly suitable for dispensing a liquid or semi-liquid product, pharmaceutical, in the form of nasal sprays.
  • the pump according to the invention may have different shapes and apply to other areas, such as that of cosmetics.
  • the pump 1 comprises a pump body 2 and a dispensing head 3 that can be moved manually on the pump body 2, between a rest position ( figure 1 ) and a low position ( figure 2 ).
  • the dispensing head 3 comprises a cylinder 4, forming a metering chamber 41, slidably mounted in the pump body 2 and an exhaust valve 9 constituted by a rod slidably mounted inside said cylinder 4.
  • the metering chamber 41 is closed in the upper part by the exhaust valve 9, and communicates in the lower part with a liquid intake tube 5 via an intake valve 6.
  • the dispensing head 3 further comprises a pusher tip 18 fitted on the upper part of the cylinder 4.
  • the pusher tip 18 comprises two concentric skirts 14, 15, a first skirt 14, called an inner skirt, surrounding the cylinder 4, and a second skirt 15, said outer skirt, arranged spaced from the first skirt 14.
  • the pusher tip 18 is provided with an orifice 8 through which is ejected, outside the pump, the air contained in the metering chamber during the priming phase or the dose of product to be dispensed. To do this, the passage of the fluid from the metering chamber 41 to the orifice 8 takes place through a channel 7.
  • the channel 7 is formed between the outer wall of the cylinder 4 and the inner wall of the first skirt 14.
  • the dispensing head 3 further comprises means for sealing the channel 7, preventing the passage of the fluid (air or liquid product to be dispensed) from the metering chamber 41 to the delivery orifice 8 of the dispensing head.
  • the closure means consist of a shoulder 10 formed on the outer wall of the rod adapted to bear on a sealing seat 11, of complementary shape, formed in the cylinder 4.
  • the sealing of the channel 7 is achieved by maintaining the shoulder 10 of the rod on the sealing seat 11 of the cylinder 4, its opening being effected by spacing the sealing seat 11 from the cylinder 4 opposite the shoulder 10.
  • the bearing support of the shoulder 10 of the rod on the sealing seat 11 of the cylinder 4 is formed by a resilient biasing means 12 of the spring type. This is housed in a compartment 42 defined by the cylinder 4 and the upper end of the rod. The spring 12 is mounted in compression in the compartment 42.
  • the compartment 42 is isolated from the latter by sealing means 92.
  • the means of sealing 92 consists of a radial lip 92 formed on the upper end of the outer wall of the rod.
  • the exhaust valve 9 is arranged in the cylinder 4 so as to have, when it is held against the sealing seat of the cylinder 4, in the rest position, a low end 91 extending into the chamber of dosage 41.
  • the dispensing head 3 comprises a duct 13 intended to evacuate the air contained in the compartment 42 during the manual movement of the dispensing head 3 on the pump body 2 as well as to allow the tightness of the means to be checked. closure 92 during industrial assembly.
  • the duct 13 extends above the compartment 42.
  • the pump is provided with a second resilient biasing means 16, of the spring type, intended to ensure the elastic return of the dispensing head 3 in the rest position.
  • the spring 16 is advantageously housed between the inner skirt 14 and the outer skirt 15 of the push button 18.
  • the intake valve 6 consists of a deformable membrane 19 formed in the lower part of the pump body 2.
  • the membrane 19 rests on a tubular support 20 rising in the lower part of the pump body 2.
  • the lower end of the support 20 is provided with an external radial extension 21.
  • the extension 21 has the role of abutting the cylinder 4 moving axially in the pump body 2, the abutment of said cylinder 4 corresponding to the lower position of the pump 1.
  • the upper end of the support 20 is provided with a contact pad 22.
  • the membrane 19, comprising an orifice 23, covers the upper end of the support 20, the orifice 23 being disposed opposite the contact stud. contact 22.
  • the contact pad 22 In addition to the function of closing the orifice 23 of the membrane 19, the contact pad 22 also has the function of abutting the exhaust valve 9 for the purpose of priming the pump.
  • the support 20 is fitted on the outside of a hollow cylindrical portion 24 of the pump body 2, which cylindrical portion 24 extends inside said pump body 2 and opens on the lower part thereof.
  • the tube of intake 5 of the liquid product contained in the dispenser is fitted through the inside of the cylindrical portion 24 of the pump body 2.
  • the pump further comprises support and fixing means 17 to allow its attachment to a dispenser containing the liquid or semi-liquid product to be dispensed.
  • the operating principle of this phase is the following: under the action of a manual pressure P (illustrated by an arrow on the figure 1 ) on the push button 18 of the dispensing head 3, the cylinder 4 - exhaust valve 9 slides axially in the pump body 2 towards the inlet valve 6. The air, trapped in the chamber of dosage 41 sealed in the upper part by the exhaust valve 9 resting on the sealing seat 11 of the cylinder 4 and in the lower part by the inlet valve 6, is then compressed. The cylinder assembly 4 - exhaust valve 9 continues its stroke until the lower end 91 of the exhaust valve 9 comes into abutment against the contact pad 22 of the membrane support 20. The valve 9 thus maintained in standstill, the cylinder 4 continues its stroke alone until its lower end 43 reaches the extension 21 of the membrane support 20. The dispensing head 3 is then in the low position (or end of stroke position) ( figure 2 ).
  • the pressure P exerted on the push button 18 of the dispensing head 3 is released.
  • the push button 18 rises to its rest position, driving with it the raising of the cylinder 4 by sliding in the pump body 2.
  • the sealing seat 11 of the cylinder 4 again comes into contact with the shoulder 10 of the exhaust valve 9, the cylinder 4 driving in its stroke said valve.
  • the sealing of the metering chamber 41 is then again ensured by means of the spring 12, the latter pushing the exhaust valve 9 against the sealing seat 11 of the cylinder 4.
  • the rise of the dispensing head 3 continues, a vacuum is created in the metering chamber 41 sealed in its upper part.
  • the depression created in the metering chamber 41 is greater than the force maintaining the seal of the membrane 19 on the contact pad 22 of the membrane support 20, the membrane 19 deforms and the liquid product contained in the distributor is sucked from the distributor tank to the metering chamber 41 by the tube 5 for taking liquid.
  • the dispensing head 3 reaches the rest position, the depression in the metering chamber 41 ceases and the diaphragm 19 returns to the sealed position on the contact pad 22 of the membrane support 20.
  • the priming phase is completed when the air contained in the metering chamber is entirely replaced by the product to be delivered.
  • the product contained in the metering chamber 41 then corresponds to a dose of product to be delivered.
  • the liquid phase is illustrated on the Figures 3 to 6 .
  • the seal broken, the product contained in the metering chamber 41 can then pass into the channel 7 open to be expelled from the pump 1 through the orifice 8 ( figure 4 ).
  • the low position of the dispensing head 3 then corresponds to the complete delivery of the dose of product contained in the metering chamber 41 ( figure 5 ).
  • the pressure P exerted on the push button 18 of the dispensing head 3 is released.
  • the push button 18 rises to its rest position under the action of the spring 16, causing with it the upward sliding of the cylinder 4 in the pump body 2.
  • the seat 11 of the cylinder 4 again comes into contact with the shoulder 10 of the exhaust valve 9, the cylinder then driving in its stroke the exhaust valve 9.
  • the sealing of the metering chamber 41 is then at again ensured by the spring 12, the latter pushing the exhaust valve 9 against the sealing seat 11 of the cylinder 4.
  • the membrane 19 deforms and the product contained in the distributor is sucked from the dispenser reservoir to the metering chamber 41 through the liquid-collecting tube 5 ( figure 6 ).
  • the dispensing head 3 reaches its rest position, the depression in the metering chamber 41 ceases.
  • the membrane 19 then returns in a sealed position on the pad 22 of the membrane support 20 ( figure 3 ).

Landscapes

  • Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)
  • Closures For Containers (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
EP08290583A 2007-06-20 2008-06-19 Pumpe zur Verteilung eines flüssigen Produkts mit verbesserter Zündung Ceased EP2006028B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR0755895A FR2917651B1 (fr) 2007-06-20 2007-06-20 Pompe pour la distribution d'un produit liquide a amorcage ameliore

Publications (2)

Publication Number Publication Date
EP2006028A1 true EP2006028A1 (de) 2008-12-24
EP2006028B1 EP2006028B1 (de) 2011-09-14

Family

ID=38921698

Family Applications (1)

Application Number Title Priority Date Filing Date
EP08290583A Ceased EP2006028B1 (de) 2007-06-20 2008-06-19 Pumpe zur Verteilung eines flüssigen Produkts mit verbesserter Zündung

Country Status (6)

Country Link
US (2) US7882988B2 (de)
EP (1) EP2006028B1 (de)
JP (1) JP5303195B2 (de)
CN (1) CN101327473B (de)
AT (1) ATE524241T1 (de)
FR (1) FR2917651B1 (de)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2017051126A1 (fr) * 2015-09-22 2017-03-30 Cep Tubes Systeme de distribution sans air avec pompe
CN116999655A (zh) * 2023-08-04 2023-11-07 山东威高普瑞医药包装有限公司 一种定量注射装置

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2892158B1 (fr) * 2005-10-17 2011-10-21 Valois Sas Pompe de distribution de produit fluide
FR2917651B1 (fr) * 2007-06-20 2010-09-17 Rexam Dispensing Sys Pompe pour la distribution d'un produit liquide a amorcage ameliore
JP5413895B2 (ja) * 2008-10-31 2014-02-12 株式会社吉野工業所 ポンプの押下げヘッド及び押下げヘッド式吐出ポンプ
JP4766350B2 (ja) 2009-01-06 2011-09-07 ソニー株式会社 ディスク再生装置および方法、プログラム、並びに記録媒体
EP2218515B1 (de) * 2009-02-06 2011-11-23 Rexam Healthcare La Verpillière Zerstäuber mit einem Einwegventil
IT1397007B1 (it) * 2009-12-15 2012-12-20 Emsar Spa Dispenser
FR2961191B1 (fr) * 2010-06-10 2012-07-27 Rexam Healthcare La Verpillier Pompe pour la delivrance d'un produit, comportant un piston coulissant dans une chambre de dosage
EP3881938B1 (de) 2011-09-20 2024-08-07 Dispensing Technologies B.V. Abgemessene und aktive spritzvorrichtungen mit aerosolfunktionalität
DE202011107265U1 (de) * 2011-10-31 2013-02-11 Nordson Corporation Abgabemodul, Auftragskopf und Düsenstock zur Abgabe eines Fluids, insbesondere Heißschmelzklebstoff
FR2999960B1 (fr) * 2012-12-20 2015-02-27 Aptar France Sas Distributeur de produit fluide rechargeable.
JP6356796B2 (ja) * 2013-07-19 2018-07-11 グラコ ミネソタ インコーポレーテッド 多点シール潤滑装置
DE102013215599B4 (de) * 2013-08-07 2017-12-07 Aptar Radolfzell Gmbh Pumpeinrichtung und Spender für flüssige oder pastöse Medien
KR101778578B1 (ko) * 2016-02-23 2017-09-14 (주)연우 사이드버튼이 구비된 펌핑식 화장품 용기
DE102016114456A1 (de) * 2016-08-04 2018-02-08 Rpc Bramlage Gmbh Fingerspraypumpe sowie Düsenkopf für eine Sprühpumpe
DE102016014898A1 (de) 2016-12-12 2018-06-14 Aptar Dortmund Gmbh Pumpe und Abgabevorrichtung
WO2019182745A1 (en) 2018-03-19 2019-09-26 Bryn Pharma, LLC Epinephrine spray formulations
FR3106488B1 (fr) * 2020-01-27 2022-01-21 Aptar France Sas Dispositif de distribution de produit pulvérulent

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US5505343A (en) * 1994-10-19 1996-04-09 Knickerbocker; Michael G. Manually actuated pump
US5655688A (en) * 1994-10-19 1997-08-12 Aptargroup, Inc. Atomizing pump with high stroke speed enhancement and valve system therefor
WO2006125880A1 (fr) 2005-05-20 2006-11-30 Rexam Dispensing Systems Pompe a pointeau pour la distribution de produit liquide

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FR2862107B1 (fr) * 2003-11-07 2006-02-10 Valois Sas Pompe de distribution de produit fluide.
FR2917651B1 (fr) * 2007-06-20 2010-09-17 Rexam Dispensing Sys Pompe pour la distribution d'un produit liquide a amorcage ameliore

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5505343A (en) * 1994-10-19 1996-04-09 Knickerbocker; Michael G. Manually actuated pump
US5655688A (en) * 1994-10-19 1997-08-12 Aptargroup, Inc. Atomizing pump with high stroke speed enhancement and valve system therefor
WO2006125880A1 (fr) 2005-05-20 2006-11-30 Rexam Dispensing Systems Pompe a pointeau pour la distribution de produit liquide

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2017051126A1 (fr) * 2015-09-22 2017-03-30 Cep Tubes Systeme de distribution sans air avec pompe
CN116999655A (zh) * 2023-08-04 2023-11-07 山东威高普瑞医药包装有限公司 一种定量注射装置

Also Published As

Publication number Publication date
CN101327473A (zh) 2008-12-24
US7882988B2 (en) 2011-02-08
US8365966B2 (en) 2013-02-05
FR2917651A1 (fr) 2008-12-26
CN101327473B (zh) 2013-05-01
JP2009000516A (ja) 2009-01-08
US20090020565A1 (en) 2009-01-22
JP5303195B2 (ja) 2013-10-02
ATE524241T1 (de) 2011-09-15
US20110114674A1 (en) 2011-05-19
FR2917651B1 (fr) 2010-09-17
EP2006028B1 (de) 2011-09-14

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