FR3093668B1 - Procede de preparation d’un produit en matiere polymerique - Google Patents

Procede de preparation d’un produit en matiere polymerique Download PDF

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Publication number
FR3093668B1
FR3093668B1 FR1902450A FR1902450A FR3093668B1 FR 3093668 B1 FR3093668 B1 FR 3093668B1 FR 1902450 A FR1902450 A FR 1902450A FR 1902450 A FR1902450 A FR 1902450A FR 3093668 B1 FR3093668 B1 FR 3093668B1
Authority
FR
France
Prior art keywords
preform
polymeric material
dry
product
preparation
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
FR1902450A
Other languages
English (en)
Other versions
FR3093668A1 (fr
Inventor
Nicolas DUMONT
Gaëtan Mao
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.)
Saint Gobain Performance Plastics France
Original Assignee
Saint Gobain Performance Plastics France
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
Priority to FR1902450A priority Critical patent/FR3093668B1/fr
Application filed by Saint Gobain Performance Plastics France filed Critical Saint Gobain Performance Plastics France
Priority to KR1020217030849A priority patent/KR102498955B1/ko
Priority to CN202080023493.4A priority patent/CN113661050A/zh
Priority to EP20710145.2A priority patent/EP3938187A1/fr
Priority to US16/815,103 priority patent/US20200291552A1/en
Priority to JP2021554655A priority patent/JP2022524430A/ja
Priority to PCT/EP2020/056525 priority patent/WO2020182896A1/fr
Priority to BR112021017944A priority patent/BR112021017944A2/pt
Priority to CA3132910A priority patent/CA3132910A1/fr
Publication of FR3093668A1 publication Critical patent/FR3093668A1/fr
Application granted granted Critical
Publication of FR3093668B1 publication Critical patent/FR3093668B1/fr
Priority to IL286247A priority patent/IL286247A/en
Priority to JP2023103564A priority patent/JP2023134509A/ja
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

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
    • B29C70/06—Fibrous reinforcements only
    • B29C70/10—Fibrous reinforcements only characterised by the structure of fibrous reinforcements, e.g. hollow fibres
    • B29C70/16—Fibrous reinforcements only characterised by the structure of fibrous reinforcements, e.g. hollow fibres using fibres of substantial or continuous length
    • B29C70/22—Fibrous reinforcements only characterised by the structure of fibrous reinforcements, e.g. hollow fibres using fibres of substantial or continuous length oriented in at least two directions forming a two dimensional structure
    • B29C70/222—Fibrous reinforcements only characterised by the structure of fibrous reinforcements, e.g. hollow fibres using fibres of substantial or continuous length oriented in at least two directions forming a two dimensional structure the structure being shaped to form a three dimensional configuration
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B11/00—Making preforms
    • B29B11/14—Making preforms characterised by structure or composition
    • B29B11/16—Making preforms characterised by structure or composition comprising fillers or 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
    • B29C35/00—Heating, cooling or curing, e.g. crosslinking or vulcanising; Apparatus therefor
    • B29C35/16—Cooling
    • 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
    • B29C70/06—Fibrous reinforcements only
    • B29C70/10—Fibrous reinforcements only characterised by the structure of fibrous reinforcements, e.g. hollow fibres
    • B29C70/16—Fibrous reinforcements only characterised by the structure of fibrous reinforcements, e.g. hollow fibres using fibres of substantial or continuous length
    • B29C70/24—Fibrous reinforcements only characterised by the structure of fibrous reinforcements, e.g. hollow fibres using fibres of substantial or continuous length oriented in at least three directions forming a three dimensional structure
    • 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
    • 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
    • B29C70/465—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 by melting a solid material, e.g. sheets, powders of fibres
    • 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
    • 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
    • B29C71/00—After-treatment of articles without altering their shape; Apparatus therefor
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01B—MECHANICAL TREATMENT OF NATURAL FIBROUS OR FILAMENTARY MATERIAL TO OBTAIN FIBRES OF FILAMENTS, e.g. FOR SPINNING
    • D01B1/00—Mechanical separation of fibres from plant material, e.g. seeds, leaves, stalks
    • D01B1/10—Separating vegetable fibres from stalks or leaves
    • D01B1/14—Breaking or scutching, e.g. of flax; Decorticating
    • D01B1/16—Breaking or scutching, e.g. of flax; Decorticating with devices dependent on a bending action to break or loosen fibre-bearing materials
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01B—MECHANICAL TREATMENT OF NATURAL FIBROUS OR FILAMENTARY MATERIAL TO OBTAIN FIBRES OF FILAMENTS, e.g. FOR SPINNING
    • D01B1/00—Mechanical separation of fibres from plant material, e.g. seeds, leaves, stalks
    • D01B1/10—Separating vegetable fibres from stalks or leaves
    • D01B1/14—Breaking or scutching, e.g. of flax; Decorticating
    • D01B1/22—Breaking or scutching, e.g. of flax; Decorticating with crushing or breaking rollers or plates
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
    • D01F1/00—General methods for the manufacture of artificial filaments or the like
    • D01F1/02—Addition of substances to the spinning solution or to the melt
    • D01F1/04—Pigments
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
    • D01F1/00—General methods for the manufacture of artificial filaments or the like
    • D01F1/02—Addition of substances to the spinning solution or to the melt
    • D01F1/10—Other agents for modifying properties
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04B—KNITTING
    • D04B1/00—Weft knitting processes for the production of fabrics or articles not dependent on the use of particular machines; Fabrics or articles defined by such processes
    • D04B1/14—Other fabrics or articles characterised primarily by the use of particular thread materials
    • D04B1/16—Other fabrics or articles characterised primarily by the use of particular thread materials synthetic threads
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04B—KNITTING
    • D04B1/00—Weft knitting processes for the production of fabrics or articles not dependent on the use of particular machines; Fabrics or articles defined by such processes
    • D04B1/22—Weft knitting processes for the production of fabrics or articles not dependent on the use of particular machines; Fabrics or articles defined by such processes specially adapted for knitting goods of particular configuration
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2101/00—Use of unspecified macromolecular compounds as moulding material
    • B29K2101/12—Thermoplastic materials
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2105/00—Condition, form or state of moulded material or of the material to be shaped
    • B29K2105/0005—Condition, form or state of moulded material or of the material to be shaped containing compounding ingredients
    • B29K2105/0032—Pigments, colouring agents or opacifiyng agents
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2105/00—Condition, form or state of moulded material or of the material to be shaped
    • B29K2105/06—Condition, form or state of moulded material or of the material to be shaped containing reinforcements, fillers or inserts
    • B29K2105/08—Condition, form or state of moulded material or of the material to be shaped containing reinforcements, fillers or inserts of continuous length, e.g. cords, rovings, mats, fabrics, strands or yarns
    • B29K2105/0809—Fabrics
    • B29K2105/0845—Woven fabrics
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2105/00—Condition, form or state of moulded material or of the material to be shaped
    • B29K2105/06—Condition, form or state of moulded material or of the material to be shaped containing reinforcements, fillers or inserts
    • B29K2105/08—Condition, form or state of moulded material or of the material to be shaped containing reinforcements, fillers or inserts of continuous length, e.g. cords, rovings, mats, fabrics, strands or yarns
    • B29K2105/0872—Prepregs
    • D—TEXTILES; PAPER
    • D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B2401/00—Physical properties
    • D10B2401/16—Physical properties antistatic; conductive

Abstract

L'objet de l'invention est un procédé de fabrication d'un produit comportant au moins une zone en matière polymérique, en particulier thermoplastique ; à partir d’une préforme sèche tricotée. La préforme sèche est réalisée en trois dimensions, par tricotage trame d’une pièce continue correspondant à la forme du produit fini à obtenir. La préforme est ensuite consolidée par chauffage sous pression dans un moule puis refroidie. La méthode selon l’invention est particulièrement avantageuse car elle permet d’obtenir des pièces en matières polymérique d’épaisseur contrôlée ; les produits finis ne présentent aucun raccord et ne nécessite aucun assemblage de pièces différentes. La méthode n’engendre aucune perte ni chute de matière. La méthode selon l’invention ne s’accompagne d’aucune émanation d’éléments volatiles toxiques à température ambiante.
FR1902450A 2019-03-11 2019-03-11 Procede de preparation d’un produit en matiere polymerique Active FR3093668B1 (fr)

Priority Applications (11)

Application Number Priority Date Filing Date Title
FR1902450A FR3093668B1 (fr) 2019-03-11 2019-03-11 Procede de preparation d’un produit en matiere polymerique
CA3132910A CA3132910A1 (fr) 2019-03-11 2020-03-11 Procede de preparation d'un materiau polymere
EP20710145.2A EP3938187A1 (fr) 2019-03-11 2020-03-11 Procédé de préparation d'un matériau polymère
US16/815,103 US20200291552A1 (en) 2019-03-11 2020-03-11 Method for the preparation of a polymeric material
JP2021554655A JP2022524430A (ja) 2019-03-11 2020-03-11 ポリマー材料の調製のための方法
PCT/EP2020/056525 WO2020182896A1 (fr) 2019-03-11 2020-03-11 Procédé de préparation d'un matériau polymère
KR1020217030849A KR102498955B1 (ko) 2019-03-11 2020-03-11 중합체 재료의 제조 방법
CN202080023493.4A CN113661050A (zh) 2019-03-11 2020-03-11 用于制备聚合物材料的方法
BR112021017944A BR112021017944A2 (pt) 2019-03-11 2020-03-11 Método para preparar um material polimérico
IL286247A IL286247A (en) 2019-03-11 2021-09-09 A method for preparing a polymeric material
JP2023103564A JP2023134509A (ja) 2019-03-11 2023-06-23 ポリマー材料の調製のための方法

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR1902450A FR3093668B1 (fr) 2019-03-11 2019-03-11 Procede de preparation d’un produit en matiere polymerique
FR1902450 2019-03-11

Publications (2)

Publication Number Publication Date
FR3093668A1 FR3093668A1 (fr) 2020-09-18
FR3093668B1 true FR3093668B1 (fr) 2021-04-02

Family

ID=67262631

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1902450A Active FR3093668B1 (fr) 2019-03-11 2019-03-11 Procede de preparation d’un produit en matiere polymerique

Country Status (10)

Country Link
US (1) US20200291552A1 (fr)
EP (1) EP3938187A1 (fr)
JP (2) JP2022524430A (fr)
KR (1) KR102498955B1 (fr)
CN (1) CN113661050A (fr)
BR (1) BR112021017944A2 (fr)
CA (1) CA3132910A1 (fr)
FR (1) FR3093668B1 (fr)
IL (1) IL286247A (fr)
WO (1) WO2020182896A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR3089854B1 (fr) 2018-12-18 2022-02-04 Saint Gobain Performance Plastics France Procede de preparation d’un materiau composite sous forme de sandwich

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AR207365A1 (es) 1974-06-25 1976-09-30 Monsanto Co Hilado de nylon 66 con alto modulo en rotura bajo modulo en elongacion de 10% indice en tension positivo y uniformidad de denier una bobina que tiene devanado sobre la misma el hilado y un procedimiento para la hilatura en estado de fusion de nylon 66
CA2122548A1 (fr) * 1993-05-25 1994-11-26 George M. Kent Renforcement d'articles composites au moyen de fibres courtes thermoplastiques et composites
GB9620691D0 (en) * 1996-10-04 1996-11-20 Vantage Polymers Limited Olefin polymers
US6132657A (en) * 1998-06-29 2000-10-17 Polyeitan Composites Ltd. Process for producing polymeric materials
JP2000226704A (ja) * 1999-02-01 2000-08-15 River Stone Kk 形状復元機能を有するカップ状成形ブラジャーパッドおよびその製造方法
ES2234707T5 (es) * 1999-12-07 2008-06-16 The Boeing Company Procedimiento de infusion al vacio, con doble bolsa, para fabricar un material compuesto y material compuesto asi obtenido.
DE102009036018A1 (de) * 2009-08-04 2011-02-17 Siemens Aktiengesellschaft Thermoplastendstufenschaufel
FR2945549B1 (fr) * 2009-05-12 2012-07-27 Arkema France Substrat fibreux, procede de fabrication et utilisations d'un tel substrat fibreux.
DE102010010513B4 (de) * 2010-03-05 2014-07-03 ThyssenKrupp Carbon Components GmbH Verfahren zur Herstellung von hohlprofilartigen Bauteilen aus Faserverbundwerkstoffen
US20130255103A1 (en) * 2012-04-03 2013-10-03 Nike, Inc. Apparel And Other Products Incorporating A Thermoplastic Polymer Material
FR3024959B1 (fr) * 2014-08-21 2016-09-09 Snecma Procede et ensemble de fabrication d'aube composite
US20150137409A1 (en) * 2013-11-21 2015-05-21 Hsien-Hsiao Hsieh Method For Forming Textile Article
US10576670B2 (en) * 2014-09-15 2020-03-03 The Regents Of The University Of Michigan Methods to increase structural performance, strength and durability of fabric-reinforced composite materials by pre-stressing
US20170157865A1 (en) * 2015-12-07 2017-06-08 Hattar Tanin LLC Composite fiber materials
DE112017005047T5 (de) * 2016-11-09 2019-06-27 Nike Innovate C.V. Stricktextilien und Obermaterialien sowie Verfahren zur Herstellung derselben
EP3406778B1 (fr) * 2017-05-22 2022-04-13 Ratier-Figeac SAS Procédés de fabrication d'une aube d'aéronef composite

Also Published As

Publication number Publication date
FR3093668A1 (fr) 2020-09-18
WO2020182896A1 (fr) 2020-09-17
JP2023134509A (ja) 2023-09-27
IL286247A (en) 2021-10-31
EP3938187A1 (fr) 2022-01-19
KR102498955B1 (ko) 2023-02-17
BR112021017944A2 (pt) 2021-11-16
JP2022524430A (ja) 2022-05-02
CN113661050A (zh) 2021-11-16
US20200291552A1 (en) 2020-09-17
KR20210134929A (ko) 2021-11-11
CA3132910A1 (fr) 2020-09-17

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