FR3036300A1 - Procede de fabrication d'une piece avec surface d'assemblage par fabrication additive - Google Patents
Procede de fabrication d'une piece avec surface d'assemblage par fabrication additive Download PDFInfo
- Publication number
- FR3036300A1 FR3036300A1 FR1554553A FR1554553A FR3036300A1 FR 3036300 A1 FR3036300 A1 FR 3036300A1 FR 1554553 A FR1554553 A FR 1554553A FR 1554553 A FR1554553 A FR 1554553A FR 3036300 A1 FR3036300 A1 FR 3036300A1
- Authority
- FR
- France
- Prior art keywords
- layer
- workpiece
- periphery
- assembly
- manufacturing
- 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
Links
- 238000000034 method Methods 0.000 title claims abstract description 35
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 27
- 239000000654 additive Substances 0.000 title claims abstract description 14
- 230000000996 additive effect Effects 0.000 title claims abstract description 14
- 239000000463 material Substances 0.000 claims abstract description 24
- 239000011324 bead Substances 0.000 claims abstract description 15
- 238000005304 joining Methods 0.000 claims abstract description 9
- 230000015572 biosynthetic process Effects 0.000 claims abstract description 8
- 238000010894 electron beam technology Methods 0.000 claims description 9
- 238000002844 melting Methods 0.000 claims description 8
- 230000008018 melting Effects 0.000 claims description 8
- 230000008021 deposition Effects 0.000 claims description 4
- 238000005245 sintering Methods 0.000 claims description 4
- 238000005476 soldering Methods 0.000 claims description 4
- 239000000843 powder Substances 0.000 description 9
- 229910052751 metal Inorganic materials 0.000 description 7
- 239000002184 metal Substances 0.000 description 6
- 239000003292 glue Substances 0.000 description 4
- 239000000853 adhesive Substances 0.000 description 3
- 230000001070 adhesive effect Effects 0.000 description 3
- 238000005219 brazing Methods 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 239000004033 plastic Substances 0.000 description 3
- 229920003023 plastic Polymers 0.000 description 3
- 238000004026 adhesive bonding Methods 0.000 description 2
- 239000000919 ceramic Substances 0.000 description 2
- 239000000945 filler Substances 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 238000000110 selective laser sintering Methods 0.000 description 2
- 238000002485 combustion reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 238000009499 grossing Methods 0.000 description 1
- 238000010309 melting process Methods 0.000 description 1
- 229910001092 metal group alloy Inorganic materials 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 229910000679 solder Inorganic materials 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000009736 wetting Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F5/00—Manufacture of workpieces or articles from metallic powder characterised by the special shape of the product
- B22F5/009—Manufacture of workpieces or articles from metallic powder characterised by the special shape of the product of turbine components other than turbine blades
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F10/00—Additive manufacturing of workpieces or articles from metallic powder
- B22F10/20—Direct sintering or melting
- B22F10/28—Powder bed fusion, e.g. selective laser melting [SLM] or electron beam melting [EBM]
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F5/00—Manufacture of workpieces or articles from metallic powder characterised by the special shape of the product
- B22F5/04—Manufacture of workpieces or articles from metallic powder characterised by the special shape of the product of turbine blades
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F7/00—Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting wherein at least one part is obtained by sintering or compression
- B22F7/06—Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting wherein at least one part is obtained by sintering or compression of composite workpieces or articles from parts, e.g. to form tipped tools
- B22F7/062—Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting wherein at least one part is obtained by sintering or compression of composite workpieces or articles from parts, e.g. to form tipped tools involving the connection or repairing of preformed 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
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/34—Laser welding for purposes other than joining
- B23K26/342—Build-up welding
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
- B23P15/04—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass turbine or like blades from several pieces
-
- 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
- B29C64/00—Additive manufacturing, i.e. manufacturing of three-dimensional [3D] objects by additive deposition, additive agglomeration or additive layering, e.g. by 3D printing, stereolithography or selective laser sintering
- B29C64/10—Processes of additive manufacturing
- B29C64/141—Processes of additive manufacturing using only solid materials
- B29C64/153—Processes of additive manufacturing using only solid materials using layers of powder being selectively joined, e.g. by selective laser sintering or melting
-
- 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
- B29C64/00—Additive manufacturing, i.e. manufacturing of three-dimensional [3D] objects by additive deposition, additive agglomeration or additive layering, e.g. by 3D printing, stereolithography or selective laser sintering
- B29C64/10—Processes of additive manufacturing
- B29C64/171—Processes of additive manufacturing specially adapted for manufacturing multiple 3D objects
- B29C64/182—Processes of additive manufacturing specially adapted for manufacturing multiple 3D objects in parallel batches
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B33—ADDITIVE MANUFACTURING TECHNOLOGY
- B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
- B33Y10/00—Processes of additive manufacturing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B33—ADDITIVE MANUFACTURING TECHNOLOGY
- B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
- B33Y80/00—Products made by additive manufacturing
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
- F05D2230/00—Manufacture
- F05D2230/20—Manufacture essentially without removing material
- F05D2230/22—Manufacture essentially without removing material by sintering
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
- F05D2230/00—Manufacture
- F05D2230/20—Manufacture essentially without removing material
- F05D2230/23—Manufacture essentially without removing material by permanently joining parts together
- F05D2230/232—Manufacture essentially without removing material by permanently joining parts together by welding
- F05D2230/237—Brazing
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
- F05D2230/00—Manufacture
- F05D2230/30—Manufacture with deposition of material
- F05D2230/31—Layer deposition
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
- F05D2250/00—Geometry
- F05D2250/10—Two-dimensional
- F05D2250/18—Two-dimensional patterned
- F05D2250/181—Two-dimensional patterned ridged
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
- F05D2250/00—Geometry
- F05D2250/10—Two-dimensional
- F05D2250/18—Two-dimensional patterned
- F05D2250/182—Two-dimensional patterned crenellated, notched
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
- F05D2250/00—Geometry
- F05D2250/60—Structure; Surface texture
- F05D2250/61—Structure; Surface texture corrugated
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
- F05D2250/00—Geometry
- F05D2250/60—Structure; Surface texture
- F05D2250/61—Structure; Surface texture corrugated
- F05D2250/611—Structure; Surface texture corrugated undulated
-
- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/25—Process efficiency
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Optics & Photonics (AREA)
- Plasma & Fusion (AREA)
- Composite Materials (AREA)
- Powder Metallurgy (AREA)
Abstract
Description
Claims (7)
- REVENDICATIONS1. Procédé de fabrication d'une pièce (10, 20 ; 30) constituée d'un matériau déterminé par fabrication additive, la pièce comprenant au 5 moins une surface d'assemblage (11, 21 ; 31) et un ensemble de couches (13) solidaires et empilées selon un axe vertical (Z), le procédé comprenant, pour la fabrication d'une couche de pièce, la formation d'une pluralité de lignes adjacentes (14) à partir d'au moins un cordon du matériau, 10 caractérisé en ce que le procédé comprend en outre la formation d'un bord lisse (15) sur la périphérie de la couche à partir d'au moins un cordon du matériau, la formation du bord lisse étant interrompue sur au moins une portion (16) de la périphérie de la couche comprenant des extrémités de lignes adjacentes (14b), de manière à laisser subsister sur la 15 périphérie de la couche au moins une portion bosselée (16), la portion bosselée étant destinée à former une surface d'assemblage de la pièce.
- 2. Procédé selon la revendication 1, caractérisé en ce que la portion (16) de la périphérie de la couche sur laquelle la formation du 20 bord lisse (15) est interrompue est sensiblement identique sur toutes les couches formant la pièce.
- 3. Procédé selon l'une quelconque des revendications 1 et 2, caractérisé en ce qu'il est de l'un des types suivants : 25 - fusion sélective par laser ou par faisceau d'électrons, - frittage sélectif par laser ou par faisceau d'électrons, ou - dépôt de fil.
- 4. Procédé selon l'une quelconque des revendications 1 à 3, 30 caractérisé en ce que la pièce à fabriquer est une pièce pour l'aéronautique.
- 5. Procédé d'assemblage d'au moins deux pièces (11, 21 ; 31) fabriquées par un procédé de fabrication selon l'une quelconque des 35 revendications 1 à 4, caractérisé en ce qu'il comprend l'assemblage des pièces au niveau de leur surface d'assemblage (11, 21 ; 31). 3036300 9
- 6. Procédé selon la revendication 5, caractérisé en ce que l'assemblage est un collage.
- 7. Procédé selon la revendication 5, caractérisé en ce que l'assemblage est un brasage.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR1554553A FR3036300B1 (fr) | 2015-05-21 | 2015-05-21 | Procede de fabrication d'une piece avec surface d'assemblage par fabrication additive |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR1554553A FR3036300B1 (fr) | 2015-05-21 | 2015-05-21 | Procede de fabrication d'une piece avec surface d'assemblage par fabrication additive |
Publications (2)
Publication Number | Publication Date |
---|---|
FR3036300A1 true FR3036300A1 (fr) | 2016-11-25 |
FR3036300B1 FR3036300B1 (fr) | 2017-06-23 |
Family
ID=54291387
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR1554553A Active FR3036300B1 (fr) | 2015-05-21 | 2015-05-21 | Procede de fabrication d'une piece avec surface d'assemblage par fabrication additive |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR3036300B1 (fr) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP3629453A1 (fr) * | 2018-09-27 | 2020-04-01 | Siemens Aktiengesellschaft | Procédé de frittage permettant le frittage d'un outil de frittage à composants multiples, machine électrique et véhicule électrique |
US20200124070A1 (en) * | 2017-04-27 | 2020-04-23 | Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.) | Joining method and structure for laminate shaping component, and laminate shaping component |
FR3094253A1 (fr) * | 2019-03-29 | 2020-10-02 | Safran Aircraft Engines | Procede de collage d’une piece metallique sur un element en materiau composite d’une turbomachine d’aeronef |
FR3129307A1 (fr) * | 2021-11-24 | 2023-05-26 | Airbus Operations (S.A.S.) | Procédé de fabrication additive par dépôt de matière sous énergie focalisée utilisant des fils de sections différentes et pièce obtenue à partir dudit procédé |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20090183850A1 (en) * | 2008-01-23 | 2009-07-23 | Siemens Power Generation, Inc. | Method of Making a Combustion Turbine Component from Metallic Combustion Turbine Subcomponent Greenbodies |
US20110106290A1 (en) * | 2009-10-30 | 2011-05-05 | Hoevel Simone | Method of applying multiple materials with selective laser melting on a 3d article |
FR2978070A1 (fr) * | 2011-07-22 | 2013-01-25 | Snecma | Procede de reparation d'une piece de turbomachine |
FR2998819A1 (fr) * | 2012-11-30 | 2014-06-06 | Ass Pour La Rech Et Le Dev De Methodes Et Processus Ind Armines | Procede de fusion de poudre avec chauffage de la zone adjacente au bain |
FR3009983A1 (fr) * | 2013-08-29 | 2015-03-06 | Snecma | Procede de fabrication d'un bord de renforcement d'aube et bord de renforcement obtenu par ce procede |
-
2015
- 2015-05-21 FR FR1554553A patent/FR3036300B1/fr active Active
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20090183850A1 (en) * | 2008-01-23 | 2009-07-23 | Siemens Power Generation, Inc. | Method of Making a Combustion Turbine Component from Metallic Combustion Turbine Subcomponent Greenbodies |
US20110106290A1 (en) * | 2009-10-30 | 2011-05-05 | Hoevel Simone | Method of applying multiple materials with selective laser melting on a 3d article |
FR2978070A1 (fr) * | 2011-07-22 | 2013-01-25 | Snecma | Procede de reparation d'une piece de turbomachine |
FR2998819A1 (fr) * | 2012-11-30 | 2014-06-06 | Ass Pour La Rech Et Le Dev De Methodes Et Processus Ind Armines | Procede de fusion de poudre avec chauffage de la zone adjacente au bain |
FR3009983A1 (fr) * | 2013-08-29 | 2015-03-06 | Snecma | Procede de fabrication d'un bord de renforcement d'aube et bord de renforcement obtenu par ce procede |
Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20200124070A1 (en) * | 2017-04-27 | 2020-04-23 | Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.) | Joining method and structure for laminate shaping component, and laminate shaping component |
US11654500B2 (en) * | 2017-04-27 | 2023-05-23 | Kobe Steel, Ltd. | Joining method and structure for laminate shaping component, and laminate shaping component |
EP3629453A1 (fr) * | 2018-09-27 | 2020-04-01 | Siemens Aktiengesellschaft | Procédé de frittage permettant le frittage d'un outil de frittage à composants multiples, machine électrique et véhicule électrique |
WO2020064299A1 (fr) * | 2018-09-27 | 2020-04-02 | Siemens Aktiengesellschaft | Procédé de frittage d'un produit à fritter à plusieurs composants, machine électrique et véhicule électrique |
CN112752628A (zh) * | 2018-09-27 | 2021-05-04 | 西门子股份公司 | 用于烧结多部件烧结产品的方法、电机和电动交通工具 |
CN112752628B (zh) * | 2018-09-27 | 2023-09-15 | 西门子股份公司 | 用于烧结多部件烧结产品的方法、电机和电动交通工具 |
FR3094253A1 (fr) * | 2019-03-29 | 2020-10-02 | Safran Aircraft Engines | Procede de collage d’une piece metallique sur un element en materiau composite d’une turbomachine d’aeronef |
FR3129307A1 (fr) * | 2021-11-24 | 2023-05-26 | Airbus Operations (S.A.S.) | Procédé de fabrication additive par dépôt de matière sous énergie focalisée utilisant des fils de sections différentes et pièce obtenue à partir dudit procédé |
EP4186633A1 (fr) * | 2021-11-24 | 2023-05-31 | Airbus Operations (S.A.S.) | Procédé de fabrication additive par dépôt de matière sous énergie focalisée utilisant des fils de sections différentes et pièce obtenue à partir dudit procédé |
Also Published As
Publication number | Publication date |
---|---|
FR3036300B1 (fr) | 2017-06-23 |
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Legal Events
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PLFP | Fee payment |
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Effective date: 20161125 |
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CD | Change of name or company name |
Owner name: SAFRAN AIRCRAFT ENGINES, FR Effective date: 20170719 |
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PLFP | Fee payment |
Year of fee payment: 4 |
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