CN103796791B - 机床和工具更换方法 - Google Patents

机床和工具更换方法 Download PDF

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Publication number
CN103796791B
CN103796791B CN201280043533.7A CN201280043533A CN103796791B CN 103796791 B CN103796791 B CN 103796791B CN 201280043533 A CN201280043533 A CN 201280043533A CN 103796791 B CN103796791 B CN 103796791B
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CN
China
Prior art keywords
tool
support apparatus
pull
instrument
chain type
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.)
Expired - Fee Related
Application number
CN201280043533.7A
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English (en)
Chinese (zh)
Other versions
CN103796791A (zh
Inventor
托拜厄斯·阿布兰
瓦尔特·庞贝
贝内迪克特·厄尔
马库斯·甘泽哈瑟
格哈德·霍米尔
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.)
MAG IAS GmbH Eislingen
Original Assignee
MAG IAS GmbH Eislingen
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 MAG IAS GmbH Eislingen filed Critical MAG IAS GmbH Eislingen
Publication of CN103796791A publication Critical patent/CN103796791A/zh
Application granted granted Critical
Publication of CN103796791B publication Critical patent/CN103796791B/zh
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23QDETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q3/00Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
    • B23Q3/155Arrangements for automatic insertion or removal of tools, e.g. combined with manual handling
    • B23Q3/157Arrangements for automatic insertion or removal of tools, e.g. combined with manual handling of rotary tools
    • B23Q3/15713Arrangements for automatic insertion or removal of tools, e.g. combined with manual handling of rotary tools a transfer device taking a single tool from a storage device and inserting it in a spindle
    • B23Q3/1572Arrangements for automatic insertion or removal of tools, e.g. combined with manual handling of rotary tools a transfer device taking a single tool from a storage device and inserting it in a spindle the storage device comprising rotating or circulating storing means
    • B23Q3/15724Chains or belts
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23QDETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q3/00Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
    • B23Q3/155Arrangements for automatic insertion or removal of tools, e.g. combined with manual handling
    • B23Q3/15513Arrangements for automatic insertion or removal of tools, e.g. combined with manual handling the tool being taken from a storage device and transferred to a tool holder by means of transfer devices
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23QDETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q3/00Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
    • B23Q3/155Arrangements for automatic insertion or removal of tools, e.g. combined with manual handling
    • B23Q3/1552Arrangements for automatic insertion or removal of tools, e.g. combined with manual handling parts of devices for automatically inserting or removing tools
    • B23Q3/15526Storage devices; Drive mechanisms therefor
    • B23Q3/15539Plural magazines, e.g. involving tool transfer from one magazine to another
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23QDETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q3/00Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
    • B23Q3/155Arrangements for automatic insertion or removal of tools, e.g. combined with manual handling
    • B23Q3/157Arrangements for automatic insertion or removal of tools, e.g. combined with manual handling of rotary tools
    • B23Q3/15706Arrangements for automatic insertion or removal of tools, e.g. combined with manual handling of rotary tools a single tool being inserted in a spindle directly from a storage device, i.e. without using transfer devices
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23QDETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q3/00Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
    • B23Q3/155Arrangements for automatic insertion or removal of tools, e.g. combined with manual handling
    • B23Q3/157Arrangements for automatic insertion or removal of tools, e.g. combined with manual handling of rotary tools
    • B23Q3/15713Arrangements for automatic insertion or removal of tools, e.g. combined with manual handling of rotary tools a transfer device taking a single tool from a storage device and inserting it in a spindle
    • B23Q3/1572Arrangements for automatic insertion or removal of tools, e.g. combined with manual handling of rotary tools a transfer device taking a single tool from a storage device and inserting it in a spindle the storage device comprising rotating or circulating storing means
    • B23Q3/15753Arrangements for automatic insertion or removal of tools, e.g. combined with manual handling of rotary tools a transfer device taking a single tool from a storage device and inserting it in a spindle the storage device comprising rotating or circulating storing means the storage means rotating or circulating in a plane perpendicular to the axis of the spindle
    • B23Q3/15766Arrangements for automatic insertion or removal of tools, e.g. combined with manual handling of rotary tools a transfer device taking a single tool from a storage device and inserting it in a spindle the storage device comprising rotating or circulating storing means the storage means rotating or circulating in a plane perpendicular to the axis of the spindle the axis of the stored tools being arranged perpendicularly to the rotating or circulating plane of the storage means
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23QDETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q3/00Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
    • B23Q3/155Arrangements for automatic insertion or removal of tools, e.g. combined with manual handling
    • B23Q3/157Arrangements for automatic insertion or removal of tools, e.g. combined with manual handling of rotary tools
    • B23Q3/15786Arrangements for automatic insertion or removal of tools, e.g. combined with manual handling of rotary tools a plurality of tools being inserted simultaneously in a plurality of spindles directly from a storage device, i.e. without using transfer devices
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23QDETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q3/00Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
    • B23Q3/155Arrangements for automatic insertion or removal of tools, e.g. combined with manual handling
    • B23Q3/157Arrangements for automatic insertion or removal of tools, e.g. combined with manual handling of rotary tools
    • B23Q3/15793Arrangements for automatic insertion or removal of tools, e.g. combined with manual handling of rotary tools a transfer device simultaneously taking a plurality of tools and inserting them simultaneously in a plurality of spindles
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23QDETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q39/00Metal-working machines incorporating a plurality of sub-assemblies, each capable of performing a metal-working operation
    • B23Q2039/002Machines with twin spindles
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T409/00Gear cutting, milling, or planing
    • Y10T409/30Milling
    • Y10T409/304536Milling including means to infeed work to cutter
    • Y10T409/305544Milling including means to infeed work to cutter with work holder
    • Y10T409/305656Milling including means to infeed work to cutter with work holder including means to support work for rotation during operation
    • Y10T409/305824Milling including means to infeed work to cutter with work holder including means to support work for rotation during operation with angular movement of work
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T409/00Gear cutting, milling, or planing
    • Y10T409/30Milling
    • Y10T409/306664Milling including means to infeed rotary cutter toward work
    • Y10T409/306776Axially
    • Y10T409/307168Plural cutters
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T483/00Tool changing
    • Y10T483/10Process
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T483/00Tool changing
    • Y10T483/17Tool changing including machine tool or component
    • Y10T483/1733Rotary spindle machine tool [e.g., milling machine, boring, machine, grinding machine, etc.]
    • Y10T483/1748Tool changer between spindle and matrix
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T483/00Tool changing
    • Y10T483/17Tool changing including machine tool or component
    • Y10T483/1733Rotary spindle machine tool [e.g., milling machine, boring, machine, grinding machine, etc.]
    • Y10T483/1748Tool changer between spindle and matrix
    • Y10T483/175Plural matrices
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T483/00Tool changing
    • Y10T483/17Tool changing including machine tool or component
    • Y10T483/1733Rotary spindle machine tool [e.g., milling machine, boring, machine, grinding machine, etc.]
    • Y10T483/179Direct tool exchange between spindle and matrix
    • Y10T483/1793Spindle comprises tool changer
    • Y10T483/1795Matrix indexes selected tool to transfer position
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T483/00Tool changing
    • Y10T483/17Tool changing including machine tool or component
    • Y10T483/1733Rotary spindle machine tool [e.g., milling machine, boring, machine, grinding machine, etc.]
    • Y10T483/179Direct tool exchange between spindle and matrix
    • Y10T483/1798Direct tool exchange between spindle and matrix including means to project tool from matrix
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T483/00Tool changing
    • Y10T483/18Tool transfer to or from matrix
    • Y10T483/1845Plural matrices
    • Y10T483/1855Plural matrices including tool replenishing
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T483/00Tool changing
    • Y10T483/18Tool transfer to or from matrix
    • Y10T483/1873Indexing matrix
    • Y10T483/1882Rotary disc
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T483/00Tool changing
    • Y10T483/18Tool transfer to or from matrix
    • Y10T483/1873Indexing matrix
    • Y10T483/1891Chain or belt

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Automatic Tool Replacement In Machine Tools (AREA)
  • Turning (AREA)
CN201280043533.7A 2011-09-09 2012-09-05 机床和工具更换方法 Expired - Fee Related CN103796791B (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE102011053467.9 2011-09-09
DE102011053467A DE102011053467A1 (de) 2011-09-09 2011-09-09 Werkzeugmaschine und Verfahren zum Werkzeugwechsel
PCT/EP2012/067310 WO2013034591A1 (de) 2011-09-09 2012-09-05 Werkzeugmaschine und verfahren zum werkzeugwechsel

Publications (2)

Publication Number Publication Date
CN103796791A CN103796791A (zh) 2014-05-14
CN103796791B true CN103796791B (zh) 2016-08-31

Family

ID=46796621

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201280043533.7A Expired - Fee Related CN103796791B (zh) 2011-09-09 2012-09-05 机床和工具更换方法

Country Status (6)

Country Link
US (1) US20140187397A1 (enExample)
EP (1) EP2753453B1 (enExample)
CN (1) CN103796791B (enExample)
DE (1) DE102011053467A1 (enExample)
IN (1) IN2014DN01805A (enExample)
WO (1) WO2013034591A1 (enExample)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2897834B1 (fr) 2006-02-24 2008-04-25 Denis Sirdey Articulation entre pedale de bicyclette et chaussure permettant de modifier l'orientation et l'inclinaison de la chaussure.
DE102011053455A1 (de) * 2011-09-09 2013-03-14 Mag Ias Gmbh Werkzeugmaschine und Verfahren zum Austausch von Werkzeugen an einer Werkzeugmaschine
DE102012111230A1 (de) 2012-11-21 2014-05-22 Mag Ias Gmbh Verfahren zur Steuerung von Werkzeugwechselvorgängen und Werkzeugmaschine
EP2929979A1 (en) * 2014-04-08 2015-10-14 Etxe-Tar, S.A. Machine tool for machining connecting rods
HUE046638T2 (hu) * 2015-07-27 2020-03-30 Gf Machining Solutions Ag Láncos tároló szerszámok befogadására
NL2033503B1 (en) * 2022-11-10 2024-05-28 Voortman Steel Machinery Holding B V Machining assembly and method of exchanging a machining tool
EP4403298A3 (de) * 2023-12-21 2024-09-25 Fill Gesellschaft m.b.H. Werkzeugmaschine, sowie ein verfahren zum betreiben der werkzeugmaschine

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DD215269A1 (de) * 1983-06-10 1984-11-07 Werkzeugmasch Forschzent Vorrichtung zur speicherung kompletter werkzeugmagazine an automatischen werkzeugmaschinen
GB2152864B (en) * 1983-10-28 1987-04-23 Yamazaki Mach Works Composite machining lathe with tool-changing apparatus
BG38822A1 (en) * 1983-11-03 1986-03-14 Stoilov Cutting machine with automatic exchange of tools magazines
JPS6244336A (ja) * 1985-08-23 1987-02-26 Yasunaga Tekkosho:Kk 自動工具交換装置
US5099161A (en) * 1990-10-16 1992-03-24 Savair Inc. Compact electric linear actuator with tubular rotor
DE9014433U1 (de) * 1990-10-18 1991-01-31 IMA-NORTE Maschinenfabriken Klessmann GmbH & Co, 4830 Gütersloh Werkzeugmaschine mit einem Hintergrundmagazin
DE10225143A1 (de) * 2002-05-29 2004-01-15 Chiron-Werke Gmbh & Co Kg Werkzeugmaschine mit einem Hintergrundmagazin
DE10257151A1 (de) * 2002-12-05 2004-06-24 Grob-Werke Burkhart Grob E.K. Werkzeugmaschine
DE102004031066A1 (de) * 2004-03-03 2005-09-22 Grob-Werke Burkhart Grob E.K. Werkzeugmaschine mit mindestens einer Arbeitsspindel
DE102005028358A1 (de) * 2005-06-18 2006-12-21 Alfing Keßler Sondermaschinen GmbH Bearbeitungsmaschinenanordnung mit Roboter und Werkzeugmagazin
DE102007044290A1 (de) 2007-09-07 2009-03-12 Ex-Cell-O Gmbh Werkzeugmaschine mit mindestens einer Schiebetür
US20120220437A1 (en) * 2009-11-18 2012-08-30 Komatsu Ntc Ltd. Tool magazine and machining center

Also Published As

Publication number Publication date
WO2013034591A1 (de) 2013-03-14
EP2753453B1 (de) 2017-02-08
IN2014DN01805A (enExample) 2015-05-15
US20140187397A1 (en) 2014-07-03
DE102011053467A1 (de) 2013-03-14
CN103796791A (zh) 2014-05-14
EP2753453A1 (de) 2014-07-16

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