CA2767703C - Method and apparatus for making contoured composite stiffeners - Google Patents

Method and apparatus for making contoured composite stiffeners Download PDF

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Publication number
CA2767703C
CA2767703C CA2767703A CA2767703A CA2767703C CA 2767703 C CA2767703 C CA 2767703C CA 2767703 A CA2767703 A CA 2767703A CA 2767703 A CA2767703 A CA 2767703A CA 2767703 C CA2767703 C CA 2767703C
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CA
Canada
Prior art keywords
charge
tool
forming
contour
forming tool
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
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CA2767703A
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English (en)
French (fr)
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CA2767703A1 (en
Inventor
Andrew E. Modin
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.)
Boeing Co
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Boeing Co
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Publication date
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Application granted granted Critical
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
    • B29C70/04—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts comprising reinforcements only, e.g. self-reinforcing plastics
    • B29C70/28—Shaping operations therefor
    • B29C70/54—Component parts, details or accessories; Auxiliary operations, e.g. feeding or storage of prepregs or SMC after impregnation or during ageing
    • B29C70/543—Fixing the position or configuration of fibrous reinforcements before or during moulding
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
    • B29C70/04—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts comprising reinforcements only, e.g. self-reinforcing plastics
    • B29C70/28—Shaping operations therefor
    • B29C70/30—Shaping by lay-up, i.e. applying fibres, tape or broadsheet on a mould, former or core; Shaping by spray-up, i.e. spraying of fibres on a mould, former or core
    • B29C70/34—Shaping by lay-up, i.e. applying fibres, tape or broadsheet on a mould, former or core; Shaping by spray-up, i.e. spraying of fibres on a mould, former or core and shaping or impregnating by compression, i.e. combined with compressing after the lay-up operation
    • B29C70/342—Shaping by lay-up, i.e. applying fibres, tape or broadsheet on a mould, former or core; Shaping by spray-up, i.e. spraying of fibres on a mould, former or core and shaping or impregnating by compression, i.e. combined with compressing after the lay-up operation using isostatic pressure
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
    • B29C70/04—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts comprising reinforcements only, e.g. self-reinforcing plastics
    • B29C70/28—Shaping operations therefor
    • B29C70/40—Shaping or impregnating by compression not applied
    • B29C70/42—Shaping or impregnating by compression not applied for producing articles of definite length, i.e. discrete articles
    • B29C70/44—Shaping or impregnating by compression not applied for producing articles of definite length, i.e. discrete articles using isostatic pressure, e.g. pressure difference-moulding, vacuum bag-moulding, autoclave-moulding or expanding rubber-moulding
    • B29C70/443—Shaping or impregnating by compression not applied for producing articles of definite length, i.e. discrete articles using isostatic pressure, e.g. pressure difference-moulding, vacuum bag-moulding, autoclave-moulding or expanding rubber-moulding and impregnating by vacuum or injection
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
    • B29C70/04—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts comprising reinforcements only, e.g. self-reinforcing plastics
    • B29C70/28—Shaping operations therefor
    • B29C70/40—Shaping or impregnating by compression not applied
    • B29C70/42—Shaping or impregnating by compression not applied for producing articles of definite length, i.e. discrete articles
    • B29C70/46—Shaping or impregnating by compression not applied for producing articles of definite length, i.e. discrete articles using matched moulds, e.g. for deforming sheet moulding compounds [SMC] or prepregs
    • B29C70/461—Rigid movable compressing mould parts acting independently from opening or closing action of the main mould
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
    • B29C70/04—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts comprising reinforcements only, e.g. self-reinforcing plastics
    • B29C70/28—Shaping operations therefor
    • B29C70/40—Shaping or impregnating by compression not applied
    • B29C70/42—Shaping or impregnating by compression not applied for producing articles of definite length, i.e. discrete articles
    • B29C70/46—Shaping or impregnating by compression not applied for producing articles of definite length, i.e. discrete articles using matched moulds, e.g. for deforming sheet moulding compounds [SMC] or prepregs
    • B29C70/48—Shaping or impregnating by compression not applied for producing articles of definite length, i.e. discrete articles using matched moulds, e.g. for deforming sheet moulding compounds [SMC] or prepregs and impregnating the reinforcements in the closed mould, e.g. resin transfer moulding [RTM], e.g. by vacuum
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
    • B29C70/04—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts comprising reinforcements only, e.g. self-reinforcing plastics
    • B29C70/28—Shaping operations therefor
    • B29C70/54—Component parts, details or accessories; Auxiliary operations, e.g. feeding or storage of prepregs or SMC after impregnation or during ageing
    • B29C70/541—Positioning reinforcements in a mould, e.g. using clamping means for the reinforcement
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
    • B29C70/04—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts comprising reinforcements only, e.g. self-reinforcing plastics
    • B29C70/28—Shaping operations therefor
    • B29C70/54—Component parts, details or accessories; Auxiliary operations, e.g. feeding or storage of prepregs or SMC after impregnation or during ageing
    • B29C70/549—Details of caul plates, e.g. materials or shape
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
    • B29D99/00—Subject matter not provided for in other groups of this subclass
    • B29D99/001—Producing wall or panel-like structures, e.g. for hulls, fuselages, or buildings
    • B29D99/0014—Producing wall or panel-like structures, e.g. for hulls, fuselages, or buildings provided with ridges or ribs, e.g. joined ribs
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
    • B29D99/00—Subject matter not provided for in other groups of this subclass
    • B29D99/0025—Producing blades or the like, e.g. blades for turbines, propellers, or wings
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
    • F01D5/00—Blades; Blade-carrying members; Heating, heat-insulating, cooling or antivibration means on the blades or the members
    • F01D5/12—Blades
    • F01D5/28—Selecting particular materials; Particular measures relating thereto; Measures against erosion or corrosion
    • F01D5/282—Selecting composite materials, e.g. blades with reinforcing filaments
    • 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
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T50/00—Aeronautics or air transport
    • Y02T50/40—Weight reduction
    • 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
    • Y10T156/00—Adhesive bonding and miscellaneous chemical manufacture
    • Y10T156/10—Methods of surface bonding and/or assembly therefor
    • Y10T156/1002—Methods of surface bonding and/or assembly therefor with permanent bending or reshaping or surface deformation of self sustaining lamina
    • Y10T156/1043—Subsequent to assembly
    • Y10T156/1044—Subsequent to assembly of parallel stacked sheets only
    • 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
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Composite Materials (AREA)
  • Textile Engineering (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Moulding By Coating Moulds (AREA)
  • Casting Or Compression Moulding Of Plastics Or The Like (AREA)
CA2767703A 2011-04-05 2012-02-10 Method and apparatus for making contoured composite stiffeners Active CA2767703C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US13/079,945 US9604417B2 (en) 2011-04-05 2011-04-05 Method for making contoured composite stiffeners
US13/079,945 2011-04-05

Publications (2)

Publication Number Publication Date
CA2767703A1 CA2767703A1 (en) 2012-10-05
CA2767703C true CA2767703C (en) 2019-06-04

Family

ID=45954395

Family Applications (1)

Application Number Title Priority Date Filing Date
CA2767703A Active CA2767703C (en) 2011-04-05 2012-02-10 Method and apparatus for making contoured composite stiffeners

Country Status (6)

Country Link
US (2) US9604417B2 (OSRAM)
EP (1) EP2508326B1 (OSRAM)
JP (1) JP5955055B2 (OSRAM)
CA (1) CA2767703C (OSRAM)
ES (1) ES2530169T3 (OSRAM)
PT (1) PT2508326E (OSRAM)

Families Citing this family (37)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9604417B2 (en) 2011-04-05 2017-03-28 The Boeing Company Method for making contoured composite stiffeners
JP5805456B2 (ja) * 2011-08-04 2015-11-04 株式会社ジャムコ 複合材長尺部材用の複合材成形型の製作方法
US9719489B2 (en) 2013-05-22 2017-08-01 General Electric Company Wind turbine rotor blade assembly having reinforcement assembly
JP6220162B2 (ja) * 2013-06-07 2017-10-25 三菱航空機株式会社 繊維強化プラスチック構造体の製造装置および製造方法
US9481158B2 (en) 2013-07-11 2016-11-01 The Boeing Company Short course fiber placement head
JP6281865B2 (ja) * 2014-01-31 2018-02-21 三菱重工業株式会社 Ｆｒｐ成形治具及びｆｒｐ構造体の成形方法
US10293559B2 (en) 2014-03-04 2019-05-21 Bombardier Inc. Method and apparatus for forming a composite laminate stack using a breathable polyethylene vacuum film
JP6426414B2 (ja) * 2014-09-18 2018-11-21 ザ・ボーイング・カンパニーＴｈｅ Ｂｏｅｉｎｇ Ｃｏｍｐａｎｙ 補強付き複合材料パネルの製造
US9701070B2 (en) 2014-11-06 2017-07-11 Lockheed Martin Corporation Mandrel forming for discrete wing skin stiffeners
US9914549B2 (en) * 2015-02-23 2018-03-13 The Boeing Company Method, system and apparatus for assembling a composite wing skin with stiffeners
ES2926668T3 (es) * 2015-04-30 2022-10-27 Airbus Operations Sl Método de fabricación de estructuras de material compuesto con útiles de curado por fuera de la bolsa de vacío
US10315366B2 (en) * 2015-05-11 2019-06-11 Gulfstream Aerospace Corporation Apparatuses and methods for making reinforcement structures
US10843416B2 (en) 2015-05-11 2020-11-24 Gulfstream Aerospace Corporation Composite reinforcement structures and aircraft assemblies comprising composite reinforcement structures
US11072157B2 (en) 2015-06-23 2021-07-27 The Boeing Company Method and apparatus for forming contoured stiffeners
DE102015211671A1 (de) * 2015-06-24 2016-12-29 Airbus Operations Gmbh Verfahren und Vorrichtung zur Herstellung eines Bauteils unter Verwendung einer Vakuumfolie
US10456960B2 (en) 2015-07-24 2019-10-29 The Boeing Company Systems and methods for incrementally forming a composite part
US10661513B2 (en) 2015-12-01 2020-05-26 The Boeing Company Multi-planar fiber matrix tool-less preform for resin infusion
US11104113B2 (en) * 2017-04-19 2021-08-31 The Boeing Company Systems and methods for assembling elongate composite structures
CN108973160B (zh) * 2017-06-05 2021-10-12 中国商用飞机有限责任公司 一种复合材料热隔膜预成型的预浸料定位方法
EP3556544B1 (en) 2018-04-17 2021-07-28 Ratier-Figeac SAS Propeller blade spar
US10780971B2 (en) * 2018-04-26 2020-09-22 The Boeing Company Methods of manufacturing a panel having a composite stringer for a vehicle
US10864688B2 (en) * 2018-04-26 2020-12-15 The Boeing Company Method and apparatus of modular punch forming plates for alignment of a stringer for a vehicle
US11135789B2 (en) 2018-04-26 2021-10-05 The Boeing Company Methods and devices of forming a tensioned stringer for a vehicle
WO2019210924A1 (en) * 2018-05-02 2019-11-07 Vestas Wind Systems A/S Method and apparatus for making a shear web flange
US11110668B2 (en) * 2018-06-26 2021-09-07 The Boeing Company Apparatus and method for facilitating a vacuum bagging operation during fabrication of a composite laminate
US10882262B2 (en) * 2018-08-22 2021-01-05 The Boeing Company Flexible mandrel for forming composite structures
US10974472B2 (en) * 2018-10-18 2021-04-13 The Boeing Company Composite part manufacturing using magnetically-indexed tooling pins
US11701801B2 (en) * 2019-03-04 2023-07-18 The Boeing Company Caul plate with feature for separating from composite part
WO2021032429A1 (de) * 2019-08-22 2021-02-25 Siempelkamp Maschinen- Und Anlagenbau Gmbh Verfahren und vorrichtung zum erzeugen eines bauelements
US11554559B2 (en) * 2019-12-11 2023-01-17 The Boeing Company Caul plate for irregular surface
CA3105712A1 (en) * 2020-01-13 2021-07-13 Magna Exteriors Inc. Co-molding of non-crimped fabric and smc
US11865798B2 (en) * 2020-02-13 2024-01-09 The Boeing Company Caul plates for preforms that undergo pick and placement
CN113858650B (zh) * 2020-06-30 2024-05-24 中国航发商用航空发动机有限责任公司 制造复合材料环形件的方法
US11964441B2 (en) * 2021-02-01 2024-04-23 The Boeing Company Composite part with additively manufactured sub-structure
US20240269945A1 (en) * 2023-02-09 2024-08-15 The Boeing Company Blade Stringer Forming Methods and Tooling
US20250249645A1 (en) * 2024-02-02 2025-08-07 The Boeing Company Systems and methods for forming composite workpieces
US20250269616A1 (en) * 2024-02-23 2025-08-28 The Boeing Company Composite forming

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3259021A (en) 1961-05-05 1966-07-05 North American Aviation Inc Multiple purpose fabrication apparatus and method
US4726924A (en) 1984-06-28 1988-02-23 The Boeing Company Method of planar forming of zero degree composite tape
FR2590069B1 (fr) 1985-11-14 1987-12-11 Alsthom Enrubanneuse pour l'enrubannage a chaud d'un conducteur electrique
US4867834A (en) 1986-04-07 1989-09-19 Hercules Filament winding system
JP4609745B2 (ja) 2000-12-06 2011-01-12 東レ株式会社 Ｆｒｐの真空成形方法
US6630095B2 (en) 2001-08-01 2003-10-07 Lockheed Martin Corporation Method for making composite structures
AU2003243331B2 (en) 2002-05-29 2009-01-08 The Boeing Company Controlled atmospheric pressure resin infusion process
JP2004130723A (ja) 2002-10-11 2004-04-30 Mitsubishi Heavy Ind Ltd 繊維強化樹脂構造体の製造方法及び、その製造装置
JP2005047131A (ja) 2003-07-28 2005-02-24 Universal Shipbuilding Corp 成形物の成形方法及び成形装置
US7134629B2 (en) 2004-04-06 2006-11-14 The Boeing Company Structural panels for use in aircraft fuselages and other structures
US7622066B2 (en) 2004-07-26 2009-11-24 The Boeing Company Methods and systems for manufacturing composite parts with female tools
US7469735B2 (en) 2005-08-03 2008-12-30 The Boeing Corporation Composite structural element fabricating device and method
US7655168B2 (en) * 2006-01-31 2010-02-02 The Boeing Company Tools for manufacturing composite parts and methods for using such tools
ITTO20070659A1 (it) * 2007-09-20 2009-03-21 Alenia Aeronautica Spa Procedimento di fabbricazione di un elemento strutturale curvilineo in materiale composito avente una sezione aperta complessa.
DE102007062872A1 (de) 2007-12-28 2009-07-09 Airbus Deutschland Gmbh Verfahren zur Herstellung eines Profils aus Faserverbundwerkstoff
CN101910493B (zh) * 2008-01-11 2013-07-24 东丽株式会社 弯曲形状强化纤维基材、及使用其的层合体、预成型体、纤维强化树脂复合材料和它们的制造方法
US9090028B2 (en) 2008-04-17 2015-07-28 The Boeing Company Method for producing contoured composite structures and structures produced thereby
US9604417B2 (en) 2011-04-05 2017-03-28 The Boeing Company Method for making contoured composite stiffeners

Also Published As

Publication number Publication date
EP2508326B1 (en) 2014-12-31
US9604417B2 (en) 2017-03-28
JP5955055B2 (ja) 2016-07-20
JP2012218441A (ja) 2012-11-12
US9061472B2 (en) 2015-06-23
EP2508326A1 (en) 2012-10-10
PT2508326E (pt) 2015-02-24
US20120258276A1 (en) 2012-10-11
US20130340944A1 (en) 2013-12-26
ES2530169T3 (es) 2015-02-26
CA2767703A1 (en) 2012-10-05

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