EP2011927A2 - Verschlußvorrichtung und -keil - Google Patents

Verschlußvorrichtung und -keil Download PDF

Info

Publication number
EP2011927A2
EP2011927A2 EP08290296A EP08290296A EP2011927A2 EP 2011927 A2 EP2011927 A2 EP 2011927A2 EP 08290296 A EP08290296 A EP 08290296A EP 08290296 A EP08290296 A EP 08290296A EP 2011927 A2 EP2011927 A2 EP 2011927A2
Authority
EP
European Patent Office
Prior art keywords
key
tooth
adapter
locking
bearing
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
EP08290296A
Other languages
English (en)
French (fr)
Other versions
EP2011927B1 (de
EP2011927A3 (de
Inventor
Jean-Pierre Dorguin
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.)
Dorguin Jean-Pierre
Original Assignee
Dorguin Jean-Pierre
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 Dorguin Jean-Pierre filed Critical Dorguin Jean-Pierre
Publication of EP2011927A2 publication Critical patent/EP2011927A2/de
Publication of EP2011927A3 publication Critical patent/EP2011927A3/de
Application granted granted Critical
Publication of EP2011927B1 publication Critical patent/EP2011927B1/de
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02F—DREDGING; SOIL-SHIFTING
    • E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
    • E02F9/28—Small metalwork for digging elements, e.g. teeth scraper bits
    • E02F9/2808—Teeth
    • E02F9/2816—Mountings therefor
    • E02F9/2833—Retaining means, e.g. pins
    • E02F9/2841—Retaining means, e.g. pins resilient

Definitions

  • the invention also relates to a locking key for locking a tooth on an adapter.
  • the invention is particularly useful for equipping a bucket or a public works tool capable of being mounted at the end of a hydraulic excavator or a loader.
  • the document US 5,233,770 discloses a one-piece locking key for retaining a tooth on an adapter.
  • This key has a substantially parallelepipedal shape with a spring portion extending from the distal end upwards.
  • a retaining stop is provided to prevent the accidental loss of the key. During disassembly, it is necessary to break this retaining stopper by applying sufficient force, before extracting the key of the assembly.
  • the document US 2,190,845 discloses a one-piece locking key for retaining a tooth 12 on an adapter 15.
  • Figure 4 of the document US 2,190,845 represents a one-piece locking key 40 with a body 50 and a leaf spring 52.
  • the body 50 of the one-piece locking key bears on support faces 40 and 41 of the tooth 12, while a projection or convex protuberance 53 of the leaf spring 52 bears against a concave depression 45R of the adapter 15.
  • this projection or convex protuberance 53 of the leaf spring 52 does not withstand forces exceeding the elastic limit of the leaf spring, which is subjected to permanent deformation and then loses the function "lock”: the assembly is loosens and does not work anymore.
  • a third object of the invention is to improve the reusable locking key of FIG. US 2,190,845 , so that the function "support" of the key is satisfactorily provided for the recovery of efforts between the tooth and the adapter.
  • the invention also relates to a locking key that can be used in a device according to the invention, characterized by the fact that the key has an inner bearing contour, an outer spring-locking strip and two bearing surfaces provided with on either side of the resilient spring-forming resilient blade to separate the "support” and "lock” functions.
  • a device according to the invention comprises an adapter 1, a tooth 2 and a key 3.
  • the front portion 1b is in correspondence of shape with a female cavity 2b located at the rear of the tip 2a of the tooth 2.
  • the female footprint 2b is limited by two re-entrant conformations 2c of flared contours.
  • the re-entrant conformations 2c are in shape correspondence with two fins 1 c of the adapter 1.
  • the key 3 preferably has a constant thickness and parallel flanks, so that the manufacture of the key can be performed by a cutting means in a sheet, for example by flame cutting, laser cutting, water jet cutting or any other cutting means for obtaining the key contour shown in FIGS. Figures 1 to 3 .
  • the key 3 has an inner cylindrical bearing contour 3a of constant radius, for example close to 100 mm and an outer lateral locking strip 3b forming a spring.
  • the axis A of the bearing cylindrical sector 3a and the axis C of the bearing cylindrical sectors 3c are offset so that the key 3 has a generally curved and flared shape, with the exception of the leaf 3b forming a spring.
  • the tooth 2 is provided with two cylindrical bearing sectors 4 of the same radius as the cylindrical supports 3c of the key 3; and the adapter 1 is provided with a central housing 5 and a cylindrical bearing contour 6 of radius substantially less than the radius of the cylindrical bearing sector 3a.
  • the invention also extends to the case where the radius of the cylindrical bearing sectors 3c and the bearing surfaces 6 is infinite, that is to say in the case where these sectors and surfaces are planar and coplanar.
  • the lower end of the key 3 is supported on the lower chamfer of delimitation of the central housing 5.
  • the point T of contact and support of the key 3 and the cylindrical bearing contour 6 of the adapter 1 are thus aligned with the center B of the cylindrical contour 6 and the center A of the cylindrical inner face 3a of the key 3, so as to avoid any deflected force or moment likely to loosen the key 3 against the spring 3b applied in the housing 5.
  • the spring 3b constantly exerts an elastic locking on the upper face of the housing 5 of the adapter 1 and thus prevents the recoil of the key 3 and its disengagement, by pushing the key 3 into position in the tooth 2.
  • the self weight of the key 3 is low and can not exert on the spring 3b an action likely to deform.
  • the corresponding deformation of the key 3 allows its release from the housing 5 to complete output of the key 3.
  • the output of the key 3 is then performed by progressive unwinding of the cylindrical sector 3a on the cylindrical contour 6 of the adapter 1.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Civil Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Component Parts Of Construction Machinery (AREA)
  • Snaps, Bayonet Connections, Set Pins, And Snap Rings (AREA)
EP20080290296 2007-03-30 2008-03-28 Verschlußkeil und Verschlußvorrichtung mit solch einem Keil. Expired - Fee Related EP2011927B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR0702358A FR2914378B1 (fr) 2007-03-30 2007-03-30 Dispositif et clavette de verrouillage.

Publications (3)

Publication Number Publication Date
EP2011927A2 true EP2011927A2 (de) 2009-01-07
EP2011927A3 EP2011927A3 (de) 2010-03-31
EP2011927B1 EP2011927B1 (de) 2012-03-21

Family

ID=38658720

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20080290296 Expired - Fee Related EP2011927B1 (de) 2007-03-30 2008-03-28 Verschlußkeil und Verschlußvorrichtung mit solch einem Keil.

Country Status (3)

Country Link
EP (1) EP2011927B1 (de)
ES (1) ES2384665T3 (de)
FR (1) FR2914378B1 (de)

Cited By (46)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2010089423A1 (es) * 2009-02-06 2010-08-12 Metalogenia, S.A. Sistema de acoplamiento entre elemento de desgaste y adaptador para maquinas excavadoras y similares, así como componentes del mismo
USD707263S1 (en) 2011-10-07 2014-06-17 Caterpillar, Inc. Tip for a ground engaging machine implement
USD727369S1 (en) 2011-10-07 2015-04-21 Caterpillar Inc. Adapter for a ground engaging machine implement
USD727368S1 (en) 2011-10-07 2015-04-21 Caterpillar Inc. Tip for a ground engaging machine implement
USD727367S1 (en) 2011-10-07 2015-04-21 Caterpillar Inc. Adapter for a ground engaging machine implement
USD727981S1 (en) 2011-10-07 2015-04-28 Caterpillar Inc. Tip for a ground engaging machine implement
USD727979S1 (en) 2011-10-07 2015-04-28 Caterpillar Inc. Tip for a ground engaging machine implement
USD727980S1 (en) 2014-04-08 2015-04-28 Caterpillar Inc. Tip for a ground engaging machine implement
USD774109S1 (en) 2015-08-12 2016-12-13 Caterpillar Inc. Tip for a ground engaging machine implement
USD774108S1 (en) 2015-08-12 2016-12-13 Caterpillar Inc. Tip for a ground engaging machine implement
USD774110S1 (en) 2015-08-12 2016-12-13 Caterpillar Inc. Tip for a ground engaging machine implement
USD774567S1 (en) 2015-08-12 2016-12-20 Caterpillar Inc. Tip for a ground engaging machine implement
USD774566S1 (en) 2015-08-12 2016-12-20 Caterpillar Inc. Tip for a ground engaging machine implement
USD774565S1 (en) 2015-08-12 2016-12-20 Caterpillar Inc. Tip for a ground engaging machine implement
USD774564S1 (en) 2015-08-12 2016-12-20 Caterpillar Inc. Tip for a ground engaging machine implement
USD775243S1 (en) 2015-08-12 2016-12-27 Caterpillar Inc. Tip for a ground engaging machine implement
USD775242S1 (en) 2015-08-12 2016-12-27 Caterpillar Inc. Tip for a ground engaging machine implement
USD775241S1 (en) 2015-08-12 2016-12-27 Caterpillar Inc. Tip for a ground engaging machine implement
USD775240S1 (en) 2015-08-12 2016-12-27 Caterpillar Inc. Tip for a ground engaging machine implement
USD775673S1 (en) 2015-08-12 2017-01-03 Caterpillar Inc. Tip for a ground engaging machine implement
US9624651B2 (en) 2011-10-08 2017-04-18 Caterpillar Inc. Implement tooth assembly with tip and adapter
USD803274S1 (en) 2016-12-15 2017-11-21 Caterpillar Inc. Tip for a ground engaging machine implement
USD803275S1 (en) 2016-12-15 2017-11-21 Caterpillar Inc. Tip for a ground engaging machine implement
USD803902S1 (en) 2016-12-15 2017-11-28 Caterpillar Inc. Tip for a ground engaging machine implement
USD803899S1 (en) 2016-12-15 2017-11-28 Caterpillar Inc. Tip for a ground engaging machine implement
USD803900S1 (en) 2016-12-15 2017-11-28 Caterpillar Inc. Tip for a ground engaging machine implement
USD803901S1 (en) 2016-12-15 2017-11-28 Caterpillar Inc. Tip for a ground engaging machine implement
USD803898S1 (en) 2016-12-15 2017-11-28 Caterpillar Inc. Tip for a ground engaging machine implement
USD803897S1 (en) 2016-12-15 2017-11-28 Caterpillar Inc. Tip for a ground engaging machine implement
USD805112S1 (en) 2016-12-15 2017-12-12 Caterpillar Inc. Tip for a ground engaging machine implement
USD805562S1 (en) 2016-12-15 2017-12-19 Caterpillar Inc. Adapter for a ground engaging machine implement
USD806139S1 (en) 2016-12-15 2017-12-26 Caterpillar Inc. Adapter for a ground engaging machine implement
USD806140S1 (en) 2016-12-15 2017-12-26 Caterpillar Inc. Adapter for a ground engaging machine implement
USD806142S1 (en) 2016-12-15 2017-12-26 Caterpillar Inc. Adapter for a ground engaging machine implement
USD806141S1 (en) 2016-12-15 2017-12-26 Caterpillar Inc. Adapter for a ground engaging machine implement
USD806758S1 (en) 2016-12-15 2018-01-02 Caterpillar Inc. Tip for a ground engaging machine implement
USD806759S1 (en) 2016-12-15 2018-01-02 Caterpillar Inc. Tip for a ground engaging machine implement
CN108026716A (zh) * 2015-09-10 2018-05-11 卡特彼勒公司 用于作业工具的护罩保持系统
US10041230B2 (en) 2011-10-08 2018-08-07 Caterpillar Inc. Implement tooth assembly with tip and adapter
US10060100B2 (en) 2011-10-10 2018-08-28 Caterpillar Inc. Implement tooth assembly with tip and adapter
USD832310S1 (en) 2017-08-30 2018-10-30 Caterpillar Inc. Adapter for a ground engaging machine implement
USD840441S1 (en) 2016-12-15 2019-02-12 Caterpillar Inc. Adapter for a ground engaging machine implement
USD888785S1 (en) 2019-03-07 2020-06-30 Caterpillar Inc. Adapter for a ground engaging machine implement
USD905765S1 (en) 2019-03-07 2020-12-22 Caterpillar Inc. Adapter for a ground engaging machine implement
USD945498S1 (en) 2020-11-18 2022-03-08 Caterpillar Inc. Adapter for a ground engaging machine implement
USD945499S1 (en) 2020-11-18 2022-03-08 Caterpillar Inc. Adapter for a ground engaging machine implement

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9062436B2 (en) 2011-10-07 2015-06-23 Caterpillar Inc. Implement tooth assembly with tip and adapter
EP2829664A1 (de) * 2013-07-22 2015-01-28 Metalogenia Research & Technologies S.L. Steck- und Aufnahmeteile für eine Verschleißanordnung einer Schaufel einer Erdbewegungsmaschine
CN108915001B (zh) * 2018-07-09 2021-10-15 成都工合科技有限公司 一种装载机前缘锁紧机构及装载机前缘

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2190845A (en) 1938-06-03 1940-02-20 Nitzberg Milton Game apparatus
US5233770A (en) 1991-12-16 1993-08-10 Gh Hensley Industries, Inc. Locking pin apparatus

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US2901845A (en) * 1955-07-14 1959-09-01 American Brake Shoe Co Dipper teeth
US2949687A (en) * 1957-07-15 1960-08-23 Electric Steel Foundry Co Excavating tooth
US3012346A (en) * 1958-09-15 1961-12-12 Esco Corp Excavating tooth and base support therefor
US3019537A (en) * 1959-01-06 1962-02-06 American Brake Shoe Co Keeper for an excavator tooth
FR2500030A2 (fr) * 1981-02-16 1982-08-20 Poncin Andre Perfectionnements aux dents de godets de pelles mecaniques
AU701175B2 (en) * 1995-10-18 1999-01-21 Mason & Cox Proprietary Limited Locking clip pin arrangement
FR2792343B1 (fr) * 1999-04-19 2001-06-22 Charles Pasqualini Dispositif de liaison entre des pieces d'usure aux extremites d'outils et receptacles en usage sur les engins et materiels de travaux publics

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2190845A (en) 1938-06-03 1940-02-20 Nitzberg Milton Game apparatus
US5233770A (en) 1991-12-16 1993-08-10 Gh Hensley Industries, Inc. Locking pin apparatus

Cited By (70)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2010089423A1 (es) * 2009-02-06 2010-08-12 Metalogenia, S.A. Sistema de acoplamiento entre elemento de desgaste y adaptador para maquinas excavadoras y similares, así como componentes del mismo
KR101679890B1 (ko) 2009-02-06 2016-11-25 메탈로제니아, 에스.에이. 굴삭기 및 유사한 장비용 어댑터에 장착부재를 결합하기 위한 시스템과 그 구성부품
USD748684S1 (en) 2011-10-07 2016-02-02 Caterpillar Inc. Tip for a ground engaging machine implement
USD748682S1 (en) 2011-10-07 2016-02-02 Caterpillar Inc. Tip for a ground engaging machine implement
USD727368S1 (en) 2011-10-07 2015-04-21 Caterpillar Inc. Tip for a ground engaging machine implement
USD727367S1 (en) 2011-10-07 2015-04-21 Caterpillar Inc. Adapter for a ground engaging machine implement
USD727981S1 (en) 2011-10-07 2015-04-28 Caterpillar Inc. Tip for a ground engaging machine implement
USD727979S1 (en) 2011-10-07 2015-04-28 Caterpillar Inc. Tip for a ground engaging machine implement
USD727982S1 (en) 2011-10-07 2015-04-28 Caterpillar Inc. Tip for a ground engaging machine implement
USD748679S1 (en) 2011-10-07 2016-02-02 Caterpillar Inc. Adapter for a ground engaging machine implement
USD707263S1 (en) 2011-10-07 2014-06-17 Caterpillar, Inc. Tip for a ground engaging machine implement
USD727369S1 (en) 2011-10-07 2015-04-21 Caterpillar Inc. Adapter for a ground engaging machine implement
USD748683S1 (en) 2011-10-07 2016-02-02 Caterpillar Inc. Tip for a ground engaging machine implement
USD748681S1 (en) 2011-10-07 2016-02-02 Caterpillar Inc. Tip for a ground engaging machine implement
USD749146S1 (en) 2011-10-07 2016-02-09 Caterpillar Inc. Tip for a ground engaging machine implement
USD749145S1 (en) 2011-10-07 2016-02-09 Caterpillar Inc. Adapter for a ground engaging machine implement
USD784424S1 (en) 2011-10-07 2017-04-18 Caterpillar Inc. Adapter for a ground engaging machine implement
US9624651B2 (en) 2011-10-08 2017-04-18 Caterpillar Inc. Implement tooth assembly with tip and adapter
US10041230B2 (en) 2011-10-08 2018-08-07 Caterpillar Inc. Implement tooth assembly with tip and adapter
US10060100B2 (en) 2011-10-10 2018-08-28 Caterpillar Inc. Implement tooth assembly with tip and adapter
USD727980S1 (en) 2014-04-08 2015-04-28 Caterpillar Inc. Tip for a ground engaging machine implement
USD790603S1 (en) 2015-08-12 2017-06-27 Caterpillar Inc. Tip for a ground engaging machine implement
USD790606S1 (en) 2015-08-12 2017-06-27 Caterpillar Inc. Tip for a ground engaging machine implement
USD774566S1 (en) 2015-08-12 2016-12-20 Caterpillar Inc. Tip for a ground engaging machine implement
USD774565S1 (en) 2015-08-12 2016-12-20 Caterpillar Inc. Tip for a ground engaging machine implement
USD774564S1 (en) 2015-08-12 2016-12-20 Caterpillar Inc. Tip for a ground engaging machine implement
USD775243S1 (en) 2015-08-12 2016-12-27 Caterpillar Inc. Tip for a ground engaging machine implement
USD775242S1 (en) 2015-08-12 2016-12-27 Caterpillar Inc. Tip for a ground engaging machine implement
USD775241S1 (en) 2015-08-12 2016-12-27 Caterpillar Inc. Tip for a ground engaging machine implement
USD775240S1 (en) 2015-08-12 2016-12-27 Caterpillar Inc. Tip for a ground engaging machine implement
USD775673S1 (en) 2015-08-12 2017-01-03 Caterpillar Inc. Tip for a ground engaging machine implement
USD790601S1 (en) 2015-08-12 2017-06-27 Caterpillar Inc. Tip for a ground engaging machine implement
USD774567S1 (en) 2015-08-12 2016-12-20 Caterpillar Inc. Tip for a ground engaging machine implement
USD790602S1 (en) 2015-08-12 2017-06-27 Caterpillar Inc. Tip for a ground engaging machine implement
USD774110S1 (en) 2015-08-12 2016-12-13 Caterpillar Inc. Tip for a ground engaging machine implement
USD790605S1 (en) 2015-08-12 2017-06-27 Caterpillar Inc. Tip for a ground engaging machine implement
USD790604S1 (en) 2015-08-12 2017-06-27 Caterpillar, Inc. Tip for a ground engaging machine implement
USD801397S1 (en) 2015-08-12 2017-10-31 Caterpillar Inc. Tip for a ground engaging machine implement
USD774108S1 (en) 2015-08-12 2016-12-13 Caterpillar Inc. Tip for a ground engaging machine implement
USD774109S1 (en) 2015-08-12 2016-12-13 Caterpillar Inc. Tip for a ground engaging machine implement
CN108026716B (zh) * 2015-09-10 2021-08-13 卡特彼勒公司 用于作业工具的护罩保持系统
CN108026716A (zh) * 2015-09-10 2018-05-11 卡特彼勒公司 用于作业工具的护罩保持系统
USD803897S1 (en) 2016-12-15 2017-11-28 Caterpillar Inc. Tip for a ground engaging machine implement
USD803275S1 (en) 2016-12-15 2017-11-21 Caterpillar Inc. Tip for a ground engaging machine implement
USD803901S1 (en) 2016-12-15 2017-11-28 Caterpillar Inc. Tip for a ground engaging machine implement
USD803898S1 (en) 2016-12-15 2017-11-28 Caterpillar Inc. Tip for a ground engaging machine implement
USD803899S1 (en) 2016-12-15 2017-11-28 Caterpillar Inc. Tip for a ground engaging machine implement
USD805112S1 (en) 2016-12-15 2017-12-12 Caterpillar Inc. Tip for a ground engaging machine implement
USD805562S1 (en) 2016-12-15 2017-12-19 Caterpillar Inc. Adapter for a ground engaging machine implement
USD806139S1 (en) 2016-12-15 2017-12-26 Caterpillar Inc. Adapter for a ground engaging machine implement
USD806140S1 (en) 2016-12-15 2017-12-26 Caterpillar Inc. Adapter for a ground engaging machine implement
USD806142S1 (en) 2016-12-15 2017-12-26 Caterpillar Inc. Adapter for a ground engaging machine implement
USD806141S1 (en) 2016-12-15 2017-12-26 Caterpillar Inc. Adapter for a ground engaging machine implement
USD806758S1 (en) 2016-12-15 2018-01-02 Caterpillar Inc. Tip for a ground engaging machine implement
USD803902S1 (en) 2016-12-15 2017-11-28 Caterpillar Inc. Tip for a ground engaging machine implement
USD803900S1 (en) 2016-12-15 2017-11-28 Caterpillar Inc. Tip for a ground engaging machine implement
USD806759S1 (en) 2016-12-15 2018-01-02 Caterpillar Inc. Tip for a ground engaging machine implement
USD803274S1 (en) 2016-12-15 2017-11-21 Caterpillar Inc. Tip for a ground engaging machine implement
USD840441S1 (en) 2016-12-15 2019-02-12 Caterpillar Inc. Adapter for a ground engaging machine implement
USD857761S1 (en) 2017-08-30 2019-08-27 Caterpillar Inc. Adapter for a ground engaging machine implement
USD832310S1 (en) 2017-08-30 2018-10-30 Caterpillar Inc. Adapter for a ground engaging machine implement
USD888785S1 (en) 2019-03-07 2020-06-30 Caterpillar Inc. Adapter for a ground engaging machine implement
USD905765S1 (en) 2019-03-07 2020-12-22 Caterpillar Inc. Adapter for a ground engaging machine implement
USD925616S1 (en) 2019-03-07 2021-07-20 Caterpillar Inc. Adapter for a ground engaging machine implement
USD945498S1 (en) 2020-11-18 2022-03-08 Caterpillar Inc. Adapter for a ground engaging machine implement
USD945499S1 (en) 2020-11-18 2022-03-08 Caterpillar Inc. Adapter for a ground engaging machine implement
USD966346S1 (en) 2020-11-18 2022-10-11 Caterpillar Inc. Adapter for a ground engaging machine implement
USD967201S1 (en) 2020-11-18 2022-10-18 Caterpillar Inc. Adapter for a ground engaging machine implement
USD995576S1 (en) 2020-11-18 2023-08-15 Caterpillar Inc. Adapter for a ground engaging machine implement
USD995577S1 (en) 2020-11-18 2023-08-15 Caterpillar Inc. Adapter for a ground engaging machine implement

Also Published As

Publication number Publication date
FR2914378A1 (fr) 2008-10-03
EP2011927B1 (de) 2012-03-21
FR2914378B1 (fr) 2009-10-09
EP2011927A3 (de) 2010-03-31
ES2384665T3 (es) 2012-07-10

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