DE102010036630B4 - Lötverfahren und -material zur Reparatur einer Komponente - Google Patents

Lötverfahren und -material zur Reparatur einer Komponente Download PDF

Info

Publication number
DE102010036630B4
DE102010036630B4 DE102010036630.7A DE102010036630A DE102010036630B4 DE 102010036630 B4 DE102010036630 B4 DE 102010036630B4 DE 102010036630 A DE102010036630 A DE 102010036630A DE 102010036630 B4 DE102010036630 B4 DE 102010036630B4
Authority
DE
Germany
Prior art keywords
alloy
nickel
brazing
weight
brazing paste
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
DE102010036630.7A
Other languages
German (de)
English (en)
Other versions
DE102010036630A1 (de
Inventor
Jare A. Johnson
Timothy Channel
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.)
GE Vernova GmbH
Original Assignee
General Electric Co
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=42669560&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DE102010036630(B4) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by General Electric Co filed Critical General Electric Co
Publication of DE102010036630A1 publication Critical patent/DE102010036630A1/de
Application granted granted Critical
Publication of DE102010036630B4 publication Critical patent/DE102010036630B4/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K1/00—Soldering, e.g. brazing, or unsoldering
    • B23K1/0008—Soldering, e.g. brazing, or unsoldering specially adapted for particular articles or work
    • B23K1/0018—Brazing of turbine parts
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K35/00—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting
    • B23K35/02—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting characterised by mechanical features, e.g. shape
    • B23K35/0222—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting characterised by mechanical features, e.g. shape for use in soldering, brazing
    • B23K35/0244—Powders, particles or spheres; Preforms made therefrom
    • B23K35/025—Pastes, creams, slurries
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K35/00—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting
    • B23K35/22—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting characterised by the composition or nature of the material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K35/00—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting
    • B23K35/22—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting characterised by the composition or nature of the material
    • B23K35/24—Selection of soldering or welding materials proper
    • B23K35/30—Selection of soldering or welding materials proper with the principal constituent melting at less than 1550 degrees C
    • B23K35/3033—Ni as the principal constituent
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K35/00—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting
    • B23K35/22—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting characterised by the composition or nature of the material
    • B23K35/34—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting characterised by the composition or nature of the material comprising compounds which yield metals when heated
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K35/00—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting
    • B23K35/22—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting characterised by the composition or nature of the material
    • B23K35/36—Selection of non-metallic compositions, e.g. coatings, fluxes; Selection of soldering or welding materials, conjoint with selection of non-metallic compositions, both selections being of interest
    • B23K35/362—Selection of compositions of fluxes
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C19/00—Alloys based on nickel or cobalt
    • C22C19/03—Alloys based on nickel or cobalt based on nickel
    • C22C19/05—Alloys based on nickel or cobalt based on nickel with chromium
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K2101/00—Articles made by soldering, welding or cutting
    • B23K2101/001—Turbines
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
    • F05B2230/00—Manufacture
    • F05B2230/80—Repairing, retrofitting or upgrading methods
    • Y—GENERAL 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49316—Impeller making
    • Y10T29/49318—Repairing or disassembling

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Turbine Rotor Nozzle Sealing (AREA)
  • Powder Metallurgy (AREA)
DE102010036630.7A 2009-07-31 2010-07-26 Lötverfahren und -material zur Reparatur einer Komponente Active DE102010036630B4 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US12/533,101 2009-07-31
US12/533,101 US7789288B1 (en) 2009-07-31 2009-07-31 Brazing process and material for repairing a component

Publications (2)

Publication Number Publication Date
DE102010036630A1 DE102010036630A1 (de) 2011-02-03
DE102010036630B4 true DE102010036630B4 (de) 2020-07-23

Family

ID=42669560

Family Applications (1)

Application Number Title Priority Date Filing Date
DE102010036630.7A Active DE102010036630B4 (de) 2009-07-31 2010-07-26 Lötverfahren und -material zur Reparatur einer Komponente

Country Status (5)

Country Link
US (1) US7789288B1 (enExample)
JP (1) JP5579525B2 (enExample)
CN (1) CN101987385B (enExample)
CH (1) CH701554B1 (enExample)
DE (1) DE102010036630B4 (enExample)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4279620A1 (de) 2022-05-20 2023-11-22 MTU Aero Engines AG Lotmischung zur anwendung in einem verfahren zum löten eines bauteils, additivlegierung, lötverfahren und bauteil
EP4663337A1 (de) 2024-06-13 2025-12-17 MTU Aero Engines AG Superlegierungsfüllstoff, lotmischung und verfahren zum löten eines bauteils

Families Citing this family (41)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8510926B2 (en) * 2008-05-05 2013-08-20 United Technologies Corporation Method for repairing a gas turbine engine component
US9056372B2 (en) * 2010-10-12 2015-06-16 Alstom Technology Ltd Extending useful life of a cobalt-based gas turbine component
JP5726545B2 (ja) * 2011-01-24 2015-06-03 株式会社東芝 トランジションピースの損傷補修方法およびトランジションピース
EP2679333B1 (en) * 2011-02-22 2019-05-08 Mitsubishi Heavy Industries Compressor Corporation Method of manufacturing impeller
CH705327A1 (de) 2011-07-19 2013-01-31 Alstom Technology Ltd Lot zum Hochtemperaturlöten und Verfahren zum Reparieren bzw. Herstellen von Bauteilen unter Verwendung dieses Lotes.
US9180538B2 (en) 2011-10-14 2015-11-10 General Electric Company Brazing process, braze assembly, and brazed article
US8568826B2 (en) 2011-10-21 2013-10-29 General Electric Company Method of brazing a component, a brazed power generation system component, and a braze
US9101996B2 (en) * 2012-05-09 2015-08-11 Siemens Energy, Inc. Low melting point braze alloy for high temperature applications
US9127550B2 (en) * 2012-08-10 2015-09-08 Siemens Energy, Inc. Turbine superalloy component defect repair with low-temperature curing resin
EP2822726B1 (en) * 2012-12-05 2019-05-22 Liburdi Engineering Limited Method of cladding and fusion welding of superalloys using composite filler powder
DE102012024130B4 (de) * 2012-12-11 2014-09-11 Klaus Union Gmbh & Co. Kg Spalttopf für magnetgekuppelte Pumpen sowie Herstellungsverfahren
US9056443B2 (en) 2013-02-04 2015-06-16 General Electric Company Brazing process, braze arrangement, and brazed article
US9862029B2 (en) 2013-03-15 2018-01-09 Kennametal Inc Methods of making metal matrix composite and alloy articles
US9346101B2 (en) 2013-03-15 2016-05-24 Kennametal Inc. Cladded articles and methods of making the same
WO2014169116A1 (en) * 2013-04-12 2014-10-16 United Technologies Corporation Wide gap braze
US9849533B2 (en) * 2013-05-30 2017-12-26 General Electric Company Hybrid diffusion-brazing process and hybrid diffusion-brazed article
US9719420B2 (en) * 2014-06-02 2017-08-01 General Electric Company Gas turbine component and process for producing gas turbine component
FR3028436B1 (fr) * 2014-11-14 2019-04-05 Safran Aircraft Engines Procede d'elaboration d'une piece de turbomachine
US20160175991A1 (en) * 2014-12-19 2016-06-23 General Electric Company Weld filler for superalloys
US10221702B2 (en) 2015-02-23 2019-03-05 Kennametal Inc. Imparting high-temperature wear resistance to turbine blade Z-notches
WO2016185408A2 (en) * 2015-05-18 2016-11-24 Universidad Rey Juan Carlos Brazing filler
DE102015219512A1 (de) * 2015-10-08 2017-04-13 MTU Aero Engines AG Reparatur verschlissener Bauteiloberflächen
US10610982B2 (en) 2015-11-12 2020-04-07 General Electric Company Weld filler metal for superalloys and methods of making
US10265810B2 (en) * 2015-12-03 2019-04-23 General Electric Company System and method for performing an in situ repair of an internal component of a gas turbine engine
US10052724B2 (en) * 2016-03-02 2018-08-21 General Electric Company Braze composition, brazing process, and brazed article
EP3216554B1 (de) * 2016-03-09 2020-05-06 MTU Aero Engines GmbH Bauteil mit verschleissgeschützten öffnungen und vertiefungen sowie verfahren zur herstellung derselben
US10384787B2 (en) * 2016-06-23 2019-08-20 Honeywell International Inc. Forming an air data probe from a porous cover and brazing material
CN106583964B (zh) * 2016-10-27 2019-07-23 中国人民解放军第五七一九工厂 一种发动机热端部件三维尺寸钎焊修复材料及制备方法
SE540384C2 (en) 2016-12-16 2018-09-04 Swep Int Ab Brazing material
US20180200817A1 (en) * 2017-01-19 2018-07-19 General Electric Company Method of brazing and brazed article
US11117208B2 (en) 2017-03-21 2021-09-14 Kennametal Inc. Imparting wear resistance to superalloy articles
CN108907502A (zh) * 2018-08-31 2018-11-30 西安理工大学 一种用于钎焊钽Ta1与1Cr18Ni9不锈钢的非晶态高熵合金钎料及其制备方法
US11581239B2 (en) * 2019-01-18 2023-02-14 Indium Corporation Lead-free solder paste as thermal interface material
EP3990749B1 (en) 2019-07-30 2025-09-10 Siemens Energy, Inc. Blade for a gas turbine, formed from a nickel- based superalloy and corresponding repair method
US11819919B2 (en) * 2019-09-20 2023-11-21 Rtx Corporation Oxidation resistant nickel braze putty
US11840032B2 (en) 2020-07-06 2023-12-12 Pratt & Whitney Canada Corp. Method of repairing a combustor liner of a gas turbine engine
WO2022067554A1 (zh) * 2020-09-29 2022-04-07 西门子股份公司 3d打印粉末以及3d打印方法
JP7451388B2 (ja) * 2020-12-08 2024-03-18 株式会社東芝 ろう付け補修方法
KR102278835B1 (ko) * 2021-04-12 2021-07-19 주식회사 성일터빈 브레이징을 이용한 가스터빈 베인의 코어플러그 제조방법
CN119566615B (zh) * 2023-09-07 2025-11-25 中国航发商用航空发动机有限责任公司 一种高温合金钎料及高温合金焊接件
CN117206821A (zh) * 2023-09-19 2023-12-12 西安热工研究院有限公司 一种合金部件及其修复方法

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE69509083T2 (de) 1994-02-07 1999-11-18 United Technologies Corp., Hartford Reparaturbeschichtung von gegenstaenden aus superlegierungen wie gasturbinentriebwerkkomponenten
US6187450B1 (en) 1999-10-21 2001-02-13 General Electric Company Tip cap hole brazing and oxidation resistant alloy therefor
US6530971B1 (en) 2001-01-29 2003-03-11 General Electric Company Nickel-base braze material and braze repair method
US7017793B2 (en) 2003-06-26 2006-03-28 United Technologies Corporation Repair process
US20070154338A1 (en) 2006-01-03 2007-07-05 General Electric Company Machine components and methods of fabricating and repairing
US7279229B2 (en) 2005-03-24 2007-10-09 General Electric Company Nickel-base braze material and method of filling holes therewith
US7335427B2 (en) 2004-12-17 2008-02-26 General Electric Company Preform and method of repairing nickel-base superalloys and components repaired thereby

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4908069A (en) * 1987-10-19 1990-03-13 Sps Technologies, Inc. Alloys containing gamma prime phase and process for forming same
US5240491A (en) * 1991-07-08 1993-08-31 General Electric Company Alloy powder mixture for brazing of superalloy articles
US5561827A (en) * 1994-12-28 1996-10-01 General Electric Company Coated nickel-base superalloy article and powder and method useful in its preparation
EP1207979B1 (en) * 1999-05-07 2014-06-18 Rolls-Royce Corporation Method for diffusion braze repair of superalloy articles using cobalt-base composition alloy
DE10052023C1 (de) * 2000-10-20 2002-05-16 Krupp Vdm Gmbh Austenitische Nickel-Chrom-Cobalt-Molybdän-Wolfram-Legierung und deren Verwendung
US6968991B2 (en) * 2002-07-03 2005-11-29 Honeywell International, Inc. Diffusion bond mixture for healing single crystal alloys
US7360678B2 (en) * 2005-01-27 2008-04-22 United Technologies Corporation Repair and reclassification of superalloy components
EP1716965A1 (de) * 2005-04-28 2006-11-02 Siemens Aktiengesellschaft Lot mit metallischem elementarem Zusatzpulver
CN100443245C (zh) * 2006-07-04 2008-12-17 广州有色金属研究院 一种自动钎焊用镍焊膏
US8267662B2 (en) * 2007-12-13 2012-09-18 General Electric Company Monolithic and bi-metallic turbine blade dampers and method of manufacture

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE69509083T2 (de) 1994-02-07 1999-11-18 United Technologies Corp., Hartford Reparaturbeschichtung von gegenstaenden aus superlegierungen wie gasturbinentriebwerkkomponenten
US6187450B1 (en) 1999-10-21 2001-02-13 General Electric Company Tip cap hole brazing and oxidation resistant alloy therefor
US6530971B1 (en) 2001-01-29 2003-03-11 General Electric Company Nickel-base braze material and braze repair method
US7017793B2 (en) 2003-06-26 2006-03-28 United Technologies Corporation Repair process
US7335427B2 (en) 2004-12-17 2008-02-26 General Electric Company Preform and method of repairing nickel-base superalloys and components repaired thereby
US7279229B2 (en) 2005-03-24 2007-10-09 General Electric Company Nickel-base braze material and method of filling holes therewith
US20070154338A1 (en) 2006-01-03 2007-07-05 General Electric Company Machine components and methods of fabricating and repairing

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4279620A1 (de) 2022-05-20 2023-11-22 MTU Aero Engines AG Lotmischung zur anwendung in einem verfahren zum löten eines bauteils, additivlegierung, lötverfahren und bauteil
US12275095B2 (en) 2022-05-20 2025-04-15 MTU Aero Engines AG Braze alloy mix for application in a method for brazing a component, additive alloy, brazing method, and component
EP4663337A1 (de) 2024-06-13 2025-12-17 MTU Aero Engines AG Superlegierungsfüllstoff, lotmischung und verfahren zum löten eines bauteils

Also Published As

Publication number Publication date
CN101987385B (zh) 2014-01-29
CN101987385A (zh) 2011-03-23
JP2011033028A (ja) 2011-02-17
JP5579525B2 (ja) 2014-08-27
CH701554B1 (de) 2015-12-31
CH701554A2 (de) 2011-01-31
DE102010036630A1 (de) 2011-02-03
US7789288B1 (en) 2010-09-07

Similar Documents

Publication Publication Date Title
DE102010036630B4 (de) Lötverfahren und -material zur Reparatur einer Komponente
DE60224898T2 (de) Verfahren zum Reparieren von Einkristallgegenständen aus Superlegierung auf Nickelbasis
DE69702416T2 (de) Nickel-Basis-Hartlotmaterial
DE60217196T2 (de) Nickel-Basis-Hartlötmaterial und Verfahren zum Reparieren durch Hartlöten
DE69330018T2 (de) Wärmebehandlung und verfahren zum reparieren eines superlegierungskörpers auf kobalt-basis
DE60107541T2 (de) Verfahren zum isothermischen Hartlöten von einkristallinen Gegenständen
DE69509083T2 (de) Reparaturbeschichtung von gegenstaenden aus superlegierungen wie gasturbinentriebwerkkomponenten
DE602004006437T2 (de) Legierung zum löten und deren verwendung
DE60118246T2 (de) Diffusionslötlegierung auf nickelbasis und verfahren zur reparatur von superlegierungen
DE3785424T2 (de) Verschleisskörper und Pulver sowie Verfahren zur Herstellung.
DE69902138T2 (de) Eine Legierung zur Reparatur von Turbinenschaufeln, ein Verfahren und das so reparierte Werkstück
EP2461936B1 (de) Reparatur von turbinenbauteilen
DE60129769T2 (de) Verfahren zum Elektronenstrahlschweissen mit Zwischenlage
DE10356562A1 (de) Lotlegierung, Verwendung der Lotlegierung und Verfahren zur Bearbeitung, insbesondere Reparatur, von Werkstücken, insbesondere Gasturbinenbauteilen
DE2810598B2 (de) Verfahren zum Reparieren eines schmalen Risses in der Oberfläche eines Gegenstandes aus einer Superlegierung auf Nickelgrundlage
DE102010036527A1 (de) Verfahren zum Schließen einer Öffnung in einer Komponente
EP2114615A1 (de) Lotzusammensetzung und hartlötverfahren für superlegierungen
DE60211351T2 (de) Reparaturmaterial für bauteile
DE102017100086B4 (de) Superlegierungs-verbundmaterial-vorformlinge und deren anwendungen
DE10348422B4 (de) Thermisch belastetes Bauteil, sowie Verfahren zur Herstellung eines solchen Bauteils
WO2008110454A1 (de) Lotlegierungen und verfahren zur reparatur eines bauteils
DE112013003648T5 (de) Turbinenkomponente und Verfahren zur Herstellung einer Turbinenkomponente
EP2476507B1 (de) Lotlegierung und Verfahren zur Reparatur eines Bauteils
DE60219982T2 (de) Zusatzpulver zum Diffusionshartlöten von Werkstücken aus Nickel-, Kobalt- oder Eisenbasislegierungen
CH625835A5 (enExample)

Legal Events

Date Code Title Description
R012 Request for examination validly filed
R016 Response to examination communication
R018 Grant decision by examination section/examining division
R026 Opposition filed against patent
R081 Change of applicant/patentee

Owner name: GENERAL ELECTRIC TECHNOLOGY GMBH, CH

Free format text: FORMER OWNER: GENERAL ELECTRIC COMPANY, SCHENECTADY, NY, US

R082 Change of representative

Representative=s name: RUEGER ABEL PATENTANWAELTE PARTGMBB, DE

R082 Change of representative

Representative=s name: RUEGER ABEL PATENTANWAELTE PARTGMBB, DE