EP2863774B1 - Dispositif de guidage de tiroir pour des pièces de meubles mobiles les unes par rapport aux autres comprenant un système de palier de corps de roulement - Google Patents

Dispositif de guidage de tiroir pour des pièces de meubles mobiles les unes par rapport aux autres comprenant un système de palier de corps de roulement Download PDF

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Publication number
EP2863774B1
EP2863774B1 EP12729151.6A EP12729151A EP2863774B1 EP 2863774 B1 EP2863774 B1 EP 2863774B1 EP 12729151 A EP12729151 A EP 12729151A EP 2863774 B1 EP2863774 B1 EP 2863774B1
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EP
European Patent Office
Prior art keywords
bearing
rolling elements
interference fit
guide device
roller 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.)
Active
Application number
EP12729151.6A
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German (de)
English (en)
Other versions
EP2863774A1 (fr
Inventor
Reinhard BÜSCHER
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.)
Paul Hettich GmbH and Co KG
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Paul Hettich GmbH and Co KG
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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Application filed by Paul Hettich GmbH and Co KG filed Critical Paul Hettich GmbH and Co KG
Publication of EP2863774A1 publication Critical patent/EP2863774A1/fr
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Publication of EP2863774B1 publication Critical patent/EP2863774B1/fr
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Classifications

    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
    • A47B88/00—Drawers for tables, cabinets or like furniture; Guides for drawers
    • A47B88/40—Sliding drawers; Slides or guides therefor
    • A47B88/49—Sliding drawers; Slides or guides therefor with double extensible guides or parts
    • A47B88/493—Sliding drawers; Slides or guides therefor with double extensible guides or parts with rollers, ball bearings, wheels, or the like
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
    • A47B88/00—Drawers for tables, cabinets or like furniture; Guides for drawers
    • A47B88/40—Sliding drawers; Slides or guides therefor
    • A47B88/483—Sliding drawers; Slides or guides therefor with single extensible guides or parts
    • A47B88/487—Sliding drawers; Slides or guides therefor with single extensible guides or parts with rollers, ball bearings, wheels, or the like
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
    • A47B2210/00—General construction of drawers, guides and guide devices
    • A47B2210/0002—Guide construction for drawers
    • A47B2210/0029—Guide bearing means
    • A47B2210/0037—Rollers
    • A47B2210/004—Rollers cages therefor, e.g. for telescopic slides
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
    • A47B2210/00—General construction of drawers, guides and guide devices
    • A47B2210/0002—Guide construction for drawers
    • A47B2210/0051—Guide position
    • A47B2210/0059—Guide located at the side of the drawer

Definitions

  • the invention relates to a pull-out guide device for drawers, with a WälzSystemlager observed with a plurality of rolling elements, which are rotatably mounted in at least one WälzSystemhimfig each in at least one or more the respective rolling elements associated bearing area (s).
  • a pull-out guide device for relatively movable furniture parts preferably a furniture body and a relative thereto movable drawer
  • a WälzSystemlager is provided with a WälzSystemlager observed with rolling elements, which are rotatably mounted in at least one WälzSystem hofig, wherein at least one of the rolling elements is held by means of an interference fit in at least one bearing area in WälzSystem hofig and rotatably supported.
  • the interference fit leads to a slightly less smooth running of this rolling element in the rolling element cage, which does not significantly affect the bearing properties, whereas the measure results in reduced noise.
  • one, two or more of the rolling elements by means of an interference fit in the bearing areas are rotatably mounted and the rest of the rolling elements by means of a transition fit, which can be designed as Koch forthpassung, zero fit or clearance, but which is designed such that no flow due to plastic deformation caused in the assembly of the rolling element / has been rotatably mounted in the rolling element cage in the associated storage areas.
  • the design effort for production is possibly not known or only slightly increased.
  • the rolling element (s) held with interference fit on / in the bearing areas significantly reduce the noise, whereas preferably the plurality (preferably more than 50, in particular 70%) of the rolling elements with the transition fit are particularly easily rotatable.
  • a method of assembling a rolling element bearing device for a drawer slide extractor characterized by the following step: inserting the rolling elements into the rolling element cage, mounting a first part of the transition fit rolling elements and a second part of the rolling elements with interference fit is mounted.
  • this method is supplemented by the following further step: limited plastic deformation of the storage area as a result of a flow process.
  • the rolling element bearing device is preferably mounted on one or more rails. It can also be integrated directly into it.
  • the rolling elements preferably have (first) bearing means, which cooperate rotatably with corresponding (second) bearing means - hereinafter also referred to bearing points - the Wälz stressesmaschinefigs, the "bearing means” and the “bearings” in the language of this application form the “storage areas”.
  • the at least one actual storage area i. the first bearing means of the rolling element or the bearing points of the Wälz stresseshanfigs are plastically deformable, in the region of the interference fit or the bearing means and / or bearings of the rolling elements and / or the bearing cage after the first insertion limited plastically deformed so that the rotation of the rolling element due the flow is improved from the state immediately after the assembly of the rolling element mounted with interference fit.
  • At least the rolling body rotatably mounted with the interference fit and / or the bearing areas consists of a plastically deformable plastic material (for example polyamide) which brings about the described flowability after oversized assembly.
  • the rolling elements may preferably consist of non-metals such as polyamide, POM, PE, PP, ceramics, thermosets or metals such as brass, bronze, aluminum, steel or a rolling element made of several materials. Also conceivable are rolling elements which have a core and jacket, or arrangements in which the actual rolling element consists of a material with good bearing properties and the bearing areas of the rolling element of a flowable plastic.
  • the Wälz stressesmaschinefige preferably consist of a dimensionally stable material, which may be, for example, as in the rolling elements to metals or non-metals.
  • a rolling element cage made of a multi-component material is conceivable, wherein the base body of a particularly dimensionally stable material and the bearing areas may consist of a plastically deformable plastic.
  • At least one of the two materials of the bearing points has tribologically optimized properties, so that the torque required for rotating the rolling element is reduced as much as possible. This is achieved for example by lubricants that are already in at least one material of the bearings.
  • the at least one rolling element rotatably mounted by means of the interference fit to differ from the at least one rolling element mounted with transition fitting by at least one or more of the following main parameters: shape, modulus, color, construction.
  • the rolling bodies rotatably mounted with transition fit and interference fit to differ with regard to one or more of the following subparameters of the main parameter "shape”: diameter, width, running surface, bearing means. It is also conceivable that the rolling bodies rotatably mounted with transition fit and interference fit differ by one or more of the following subparameters of the main parameter "structure”: solid body, hollow body, material, composite material.
  • the at least one interference fit of the bearing point of the rolling element cage differs from the at least one bearing point provided with transitional fit of the rolling element cage by at least one or more of the following main parameters: shape, dimensions, structure.
  • the at least one oversized rolling element is shaped so that the at least one bearing means is located within the projected cross-sectional area of its largest tread diameter.
  • Fig. 1 shows a rolling bearing device 1 for guide devices, in particular extract guide devices 100 (see Fig. 6 ).
  • the pullout guide device 100 - Fig. 6 - Has one or more relative to each other preferably linearly displaceable rails 101, 102, 103 and one or more of the rolling bearing devices 1.
  • the rails 101, 102, 103 preferably form a carcass rail (for attachment to a furniture carcass), possibly a middle rail and a running rail (for attachment to the drawer). In this way, a full or partial statement guide is formed.
  • extract guide device is to be understood only as a preferred embodiment.
  • the invention also permits the realization of other drawer slide devices in which the rails or rolling bearing devices are designed differently than in FIG Fig. 6 shown.
  • the rolling bearing device 1 ( Fig. 6 or in an alternative embodiment: Fig. 1 to 5 ) has at least one Wälz analyses hisfig 2 and a plurality of rolling elements 3, 3a, 3b, 3c, d, ... and 4, 4a, 4b, ... each in one or here two storage areas 5a, b ( Fig. 2 ) are rotatably mounted in the WälzSystemurafig 2.
  • the WälzSystemurafig can be advantageously designed as a cross-sectionally U-shaped rail, as in Fig. 1 is shown.
  • the Wälzoasahimfig but also have a nearly different shape, it may be designed trapezoidal or other suitable manner.
  • it can be arranged on one or preferably two or more sides rolling elements on him.
  • the rolling elements 3 and 4 may be formed in various ways.
  • Fig. 4 and 5 are particularly preferred, - as in Fig. 4 and 5 shown - formed as a cylindrical roller body, each having a cylindrical body 6 and on both sides of this body 6 at its axial sides each have a protruding bearing pin 7, 8 and 9, 10, said bearing pins serve as shaft sections, which - in a simple manner - rotatable in bearing receptacles 11, 12 of the WälzSystem hofigs 2 engage.
  • Fig. 4 and 5 is advantageous, but at the same time also exemplary, the execution depends on the application.
  • the expert can choose from a variety of combinations of rolling elements, as for example in the EP1407691 A1 is described, with other arrangements and designs of rolling elements are possible, such as in the WO2011146951 A1 described.
  • the bearings for the Wälzköper in the Wälzoplasty sympat only from play fits, as in the WO2011146951 A1 on page 8 (4).
  • the bearing pins 7, 8 and 9, 10 and the bearing mounts 11, 12 form in their interaction here - in an advantageous but not mandatory way - the bearing portions 5a, b from.
  • the storage areas could be designed differently, they could for example be formed equivalent to the representation of the figures by bearing pins on the inner sides of the WälzSystemkarfigs 2, which engage respectively in opposite directions in an axial bore of the rolling elements (not shown).
  • the rolling elements 3, 4 need not be cylindrical.
  • rolling elements 3, 4 in spherical or barrel shape or as an ellipsoid, in particular with bearing pins or holes, can be realized.
  • the majority of the rolling elements 3 have such circular cross-section bearing pins 7, 8, which have a smaller diameter than the circular bearing mounts, so that they are rotatably mounted with a transition fit in the bearing mounts.
  • Fig. 1 such as Fig. 4c and d
  • On a mounted state - by type or analogous to Fig. 1 in particular involving a flow process, which has plastically deformed the bearing areas 5a, 5b of this rolling element 4a after the first insertion and after the lapse of a time of, in particular, at least a few days - the subject of the device claim 1 relates.
  • the interference fit is dimensioned in such a way and may therefore only be dimensioned in such a way that nevertheless a certain rotatability of the rolling body 4 in the bearing area 5a, b is maintained after termination of the flow process following the plastic deformation.
  • Fig. 3 To Fig. 3 are the excessively rotatably supported rolling elements 4a, b arranged in a row of a plurality of rolling elements at the opposite ends of the row, resulting in a particularly quiet running.
  • Alternative series - eg alternating with play and interference fit - are also conceivable.
  • At least one or more preferably a plurality of rolling elements 3a, b, c, ... are preferably provided, which are held with transition fit in the WälzMechlafig 2, which optimizes the run.
  • FIG. 4 and 5 Two different versions show the Fig. 4 and 5 , To Fig. 4 engage the bearing pins 7, 8 and 9, 10 axially through the bearing receivers 11 and 12 in the spaced sides 14, 15 of the bearing cage 2 and stand out of these sides facing away from each other freely outwards.
  • This embodiment corresponds to the embodiment described above, in which the diameter of the journal bearing 12 held with interference fit in the bearing receptacles 12 is greater than that of the bearing receivers 12 and the diameter of the transition pin bearing 7, 8 of the rolling elements 3 is smaller than the diameter the associated bearing mounts 11.
  • the illustrated variant is inexpensive and easy to install. In particular, the measure of the bearing with a press fit does not make the rolling element bearing device expensive or not appreciable.
  • the bearing receptacles are formed as bores or pockets in the side walls 14, 15 of the roller body cage (not shown in detail here), wherein between the bearing journal 7, 8 held with transitional fit Fig. 5c ) and the holes or pockets of the Wälz stresseshanfigs 2 is given a transition fit, whereas the one or more held with interference fit rolling elements 4 with excess in the holes or pockets in the inner sides of the side walls 14, 15 engage.
  • This variant is also simple and safe and very quiet in the barrel.
  • the rolling elements can eino here in chambers 16 of the rolling element cage, which are separated by intermediate walls 17 perpendicular to the side walls 14, 15 from each other.

Landscapes

  • Rolling Contact Bearings (AREA)

Claims (15)

  1. Dispositif de guidage d'extraction pour des parties de meuble mobiles les unes par rapport aux autres, avec un dispositif de palier à roulement, comprenant :
    a. des éléments de roulement (3a, b, c d, ... 4a, b) qui sont supportés avec possibilité de rotation dans au moins une cage de roulement (2),
    b. l'un au moins des éléments de roulement (4a, b) étant retenu et supporté avec possibilité de rotation dans la cage de roulement (2) au moyen d'un ajustement en surdimensionnement dans au moins une zone d'appui (5a, b),
    c. la ou les zones d'appui (5a, b) subissant une déformation plastique dans la zone de l'ajustement en surdimensionnement après la première insertion.
  2. Dispositif de guidage d'extraction selon la revendication 1, caractérisé en ce qu'un seul ou plusieurs des éléments de roulement (4a, b) du dispositif de palier à roulement sont supportés avec possibilité de rotation dans la cage de roulement (2) au moyen d'un ajustement en surdimensionnement et en ce que les autres éléments de roulement (3a, b, c...) sont supportés avec possibilité de rotation dans la cage de roulement (2) au moyen d'un ajustement de transition.
  3. Dispositif de guidage d'extraction selon l'une des revendications précédentes, caractérisé en ce qu'une ou deux zones d'appui (5a, 5b) sont déformées de façon plastique en subissant un fluage limité dans la zone de l'ajustement en surdimensionnement.
  4. Dispositif de guidage d'extraction selon l'une des revendications précédentes, caractérisé en ce que les éléments de roulement (3, 4) présentent de préférence des premiers moyens d'appui (7, 8, 9, 10) qui coopèrent avec possibilité de rotation avec des deuxièmes moyens d'appui (11, 12) correspondants, appelés ci-après points d'appui, de la cage de roulement (2), les premiers moyens d'appui et les points d'appui formant les zones d'appui (5a, b) par leur interaction.
  5. Dispositif de guidage d'extraction selon l'une des revendications précédentes, caractérisé en ce que l'élément de roulement (4a, b) supporté avec possibilité de rotation avec l'ajustement en surdimensionnement est fait d'une matière plastique capable de déformation plastique et/ou en ce que la cage de roulement (2) se compose d'une matière plastique capable de déformation plastique au moins dans la zone de l'au moins un point d'appui pour l'appui de l'élément de roulement (4) supporté avec possibilité de rotation avec l'ajustement en surdimensionnement.
  6. Dispositif de guidage d'extraction selon l'une des revendications précédentes, caractérisé en ce que la matière plastique de l'au moins un élément de roulement (4) supporté avec possibilité de rotation avec l'ajustement en surdimensionnement présente, par rapport à la matière plastique du point d'appui de la cage de roulement (2) correspondante, la faculté de fluer de façon limitée en subissant une déformation plastique.
  7. Dispositif de guidage d'extraction selon l'une des revendications précédentes, caractérisé en ce que l'au moins un élément de roulement (4) supporté avec possibilité de rotation avec l'ajustement en surdimensionnement se distingue de l'au moins un élément de roulement (3) supporté avec l'ajustement de transition par au moins un ou plusieurs des paramètres principaux suivants : forme, module d'élasticité, couleur, construction.
  8. Dispositif de guidage d'extraction selon l'une des revendications précédentes, caractérisé en ce que les éléments de roulement (3, 4) supportés avec possibilité de rotation avec l'ajustement de transition et l'ajustement en surdimensionnement diffèrent par au moins un ou plusieurs des sous-paramètres suivants du paramètre principal de « forme » : diamètre, largeur, surface de roulement, moyens d'appui.
  9. Dispositif de guidage d'extraction selon l'une des revendications précédentes, caractérisé en ce que les éléments de roulement supportés avec possibilité de rotation avec l'ajustement de transition et l'ajustement en surdimensionnement diffèrent par au moins un ou plusieurs des sous-paramètres suivants du paramètre principal de « construction » : corps massif, corps creux, matériau, assemblage de matériaux.
  10. Dispositif de guidage d'extraction selon l'une des revendications précédentes, caractérisé en ce que l'au moins un ajustement en surdimensionnement du point d'appui de la cage de roulement (2) diffère de l'au moins un point d'appui avec ajustement de transition de la cage de roulement par au moins un ou plusieurs des paramètres principaux suivants : forme, dimensions, construction.
  11. Dispositif de guidage d'extraction selon l'une des revendications précédentes, caractérisé en ce que l'au moins un élément de roulement (4) retenu avec l'ajustement de surdimensionnement est formé de telle sorte que l'au moins un moyen d'appui (9, 10) se trouve dans l'aire de section projetée de son plus grand diamètre de surface de roulement.
  12. Dispositif de guidage d'extraction selon l'une des revendications précédentes, caractérisé en ce que les points d'appui sont conformés comme des réceptacles d'appui (11, 12) de la cage de roulement (2) et en ce que les moyens d'appui des éléments de roulement (3) sont conformés comme des goujons d'appui (7, 8 ; 9, 10) et en ce que les goujons d'appui (9, 10) de l'au moins un élément de roulement (4) retenu avec un ajustement en surdimensionnement se met en prise dans les réceptacles d'appui (12) avec un ou l'ajustement en surdimensionnement et en ce que les goujons d'appui (7, 8) des autres éléments de roulement (3) se mettent en prise dans les réceptacles d'appui (11) correspondants avec un ajustement de transition.
  13. Dispositif de guidage d'extraction selon l'une des revendications précédentes, caractérisé en ce qu'au moins une des zones d'appui (5a, b) est déformée de façon plastique par un processus de fluage au niveau d'au moins un point de contact entre l'élément de roulement (4) et le réceptacle d'appui (12).
  14. Procédé pour le montage d'un dispositif de palier à roulement pour un dispositif de guidage d'extraction de tiroirs, caractérisé en ce qu'il comporte l'étape d'insertion des éléments de roulement dans la cage de roulement (2), une première partie des éléments de roulement étant montée avec un ajustement de transition et une deuxième partie des éléments de roulement étant montée avec un ajustement serré.
  15. Procédé selon la revendication 14, caractérisé en ce qu'il comporte en outre l'étape de déformation plastique limitée de la zone d'appui à la suite d'un processus de fluage.
EP12729151.6A 2012-06-25 2012-06-25 Dispositif de guidage de tiroir pour des pièces de meubles mobiles les unes par rapport aux autres comprenant un système de palier de corps de roulement Active EP2863774B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/EP2012/062242 WO2014000762A1 (fr) 2012-06-25 2012-06-25 Dispositif de guidage de tiroir pour des pièces de meubles mobiles les unes par rapport aux autres comprenant un système de palier de corps de roulement

Publications (2)

Publication Number Publication Date
EP2863774A1 EP2863774A1 (fr) 2015-04-29
EP2863774B1 true EP2863774B1 (fr) 2017-02-22

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EP12729151.6A Active EP2863774B1 (fr) 2012-06-25 2012-06-25 Dispositif de guidage de tiroir pour des pièces de meubles mobiles les unes par rapport aux autres comprenant un système de palier de corps de roulement

Country Status (4)

Country Link
EP (1) EP2863774B1 (fr)
CN (1) CN104411209B (fr)
ES (1) ES2625855T3 (fr)
WO (1) WO2014000762A1 (fr)

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AT17338U1 (de) * 2016-08-18 2021-12-15 Blum Gmbh Julius Laufwagen mit zumindest einem Wälzkörper
DE102016218748A1 (de) * 2016-09-28 2018-03-29 BSH Hausgeräte GmbH Schienenauszugsvorrichtung mit zwei Schienen und jeweils zumindest einem daran angeordneten Wälzkörper sowie Haushaltskältegerät mit einer Schienenauszugsvorrichtung
DE102017128752A1 (de) * 2017-12-04 2019-06-06 Grass Gmbh Laufwagen für ein Führungssystem, Verfahren zur Hertstellung eines Laufwagens
CN108931102B (zh) * 2018-04-25 2021-04-23 海尔智家股份有限公司 用于冰箱的滚轮装置及冰箱
AT522815B1 (de) * 2019-07-25 2021-02-15 Blum Gmbh Julius Laufwagen für eine Schubladenausziehführung

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CH607681A5 (fr) * 1975-02-25 1978-10-13 Blum Gmbh Julius
DE3536654C2 (de) 1985-10-15 2002-08-08 Friedrich Hachtel Rollenlageranordnung, beispielsweise für Schubkasten-Auszugleisten
CN2524581Y (zh) * 2002-01-15 2002-12-11 南俊国际股份有限公司 用于抽屉滑轨组件的滚珠轴承组件
DE10247160A1 (de) 2002-10-09 2004-04-22 Grass Ges.M.B.H. Rollschubführung
AT8732U1 (de) * 2005-12-06 2006-12-15 Blum Gmbh Julius Ausziehführungssystem für schubladen
AT504376B1 (de) * 2006-10-18 2011-07-15 Blum Gmbh Julius Ausziehführung für schubladen
WO2009027342A1 (fr) 2007-08-25 2009-03-05 Accuride International Gmbh Système de guidage linéaire
DE202008008121U1 (de) * 2008-06-19 2009-10-29 Paul Hettich Gmbh & Co. Kg Auszugsführung für Möbelauszugsteile
DE202008015070U1 (de) * 2008-11-13 2010-04-08 Paul Hettich Gmbh & Co. Kg Wälzkörperkäfig für eine Möbelauszugsführung
AT508265B1 (de) * 2009-06-10 2013-05-15 Blum Gmbh Julius Ausziehführung für schubladen
JP5946825B2 (ja) 2010-05-25 2016-07-06 ユリウス ブルム ゲー エム ベー ハー 引出しガイド用の移動キャリッジケージの回転体
DE202011108509U1 (de) * 2011-12-01 2012-01-16 Kipp Verpachtungen E.K. Kugelrollen-Bauteil mit rastbarer Lagereinrichtung

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Also Published As

Publication number Publication date
EP2863774A1 (fr) 2015-04-29
CN104411209A (zh) 2015-03-11
CN104411209B (zh) 2016-08-31
WO2014000762A1 (fr) 2014-01-03
ES2625855T3 (es) 2017-07-20

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