EP2648891A1 - Procédé de fabrication d'un corps de réception en matériau composite à base de fibres - Google Patents

Procédé de fabrication d'un corps de réception en matériau composite à base de fibres

Info

Publication number
EP2648891A1
EP2648891A1 EP11791544.7A EP11791544A EP2648891A1 EP 2648891 A1 EP2648891 A1 EP 2648891A1 EP 11791544 A EP11791544 A EP 11791544A EP 2648891 A1 EP2648891 A1 EP 2648891A1
Authority
EP
European Patent Office
Prior art keywords
plastic matrix
tube
fiber
fabric
base body
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.)
Withdrawn
Application number
EP11791544.7A
Other languages
German (de)
English (en)
Inventor
Rolf Lernbecher
Udo Diehl
Ralph Engelberg
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.)
Robert Bosch GmbH
Original Assignee
Robert Bosch GmbH
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 Robert Bosch GmbH filed Critical Robert Bosch GmbH
Publication of EP2648891A1 publication Critical patent/EP2648891A1/fr
Withdrawn legal-status Critical Current

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
    • B29C70/06—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
    • B29C70/20—Fibrous reinforcements only characterised by the structure of fibrous reinforcements, e.g. hollow fibres using fibres of substantial or continuous length oriented in a single direction, e.g. roofing or other parallel fibres
    • B29C70/205—Fibrous reinforcements only characterised by the structure of fibrous reinforcements, e.g. hollow fibres using fibres of substantial or continuous length oriented in a single direction, e.g. roofing or other parallel fibres 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
    • B29C70/30—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
    • B29C70/32—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 on a rotating 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
    • B29C70/06—Fibrous reinforcements only
    • B29C70/08—Fibrous reinforcements only comprising combinations of different forms of fibrous reinforcements incorporated in matrix material, forming one or more layers, and with or without non-reinforced layers
    • B29C70/086—Fibrous reinforcements only comprising combinations of different forms of fibrous reinforcements incorporated in matrix material, forming one or more layers, and with or without non-reinforced layers and with one or more layers of pure plastics material, e.g. foam layers
    • 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
    • B29C70/08—Fibrous reinforcements only comprising combinations of different forms of fibrous reinforcements incorporated in matrix material, forming one or more layers, and with or without non-reinforced layers
    • B29C70/088—Fibrous reinforcements only comprising combinations of different forms of fibrous reinforcements incorporated in matrix material, forming one or more layers, and with or without non-reinforced layers and with one or more layers of non-plastics material or non-specified material, e.g. supports
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2031/00—Other particular articles
    • B29L2031/30—Vehicles, e.g. ships or aircraft, or body parts thereof
    • B29L2031/3055—Cars
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2203/00—Vessel construction, in particular walls or details thereof
    • F17C2203/06—Materials for walls or layers thereof; Properties or structures of walls or their materials
    • F17C2203/0602—Wall structures; Special features thereof
    • F17C2203/0609—Straps, bands or ribbons

Definitions

  • the invention relates to a method for producing a fiber composite receiving body comprising a base body.
  • the invention further relates to a fiber composite receiving body having a base body, which has substantially the shape of a straight, hollow circular cylinder.
  • the invention further relates to the use of such a fiber composite receiving body.
  • the fiber composite receiving body is a hollow body formed from a fiber composite material.
  • the fiber composite material comprises a plastic matrix in which reinforcing fibers are embedded.
  • the fibers are wound onto the base body and fixed by means of a plastic resin which forms the plastic matrix.
  • the object of the invention is to provide a fiber composite receiving body with a base body which is simple in construction and inexpensive to produce.
  • the object is achieved in a method for producing a fiber composite receiving body comprising a base body, characterized in that at least one fiber, a fiber reinforcement and / or a fabric material is pre-impregnated with a plastic matrix material before the pre-impregnated fiber, the pre-impregnated fiber reinforcement and / or the preimpregnated fabric is applied to the base body.
  • the fabric or the fiber Strengthening is impregnated, for example, with an uncured suitable plastic material.
  • the fabric or fiber reinforcement may be impregnated with an uncured thermoset.
  • the fabric or the fiber reinforcement can also be impregnated with a thermoplastic, which is melted or glued, in a manner similar to laminators for paper.
  • the fabric material can be applied to the receiving body as a fabric tape in an angular process or otherwise.
  • the reinforcing fibers may be wound or processed as a pre-fabricated fabric structure.
  • a preferred embodiment of the method is characterized in that a plastic matrix material is applied as a tube material.
  • a further preferred embodiment of the method is characterized in that the fiber reinforcement in the form of a pre-impregnated fabric tube is applied to the base body.
  • the main body can be a mold which is removed after curing of the fiber composite receiving body.
  • the main body can also be a component made of plastic or metal, which represents the interior of the fiber composite base body.
  • the fabric hose can be easily mounted on the body.
  • the fabric hose is preferably formed of high-strength fibers, for example glass fibers, carbon fibers or aramid fibers.
  • the fibers are preferably continuous fibers.
  • the main body preferably has substantially the shape of a straight, hollow circular cylinder.
  • a further preferred embodiment of the method is characterized in that the fiber reinforcement in the form of a pre-impregnated wrapping is applied to the base body.
  • a further preferred embodiment of the method is characterized in that the fabric hose or the fiber reinforcement with a Plastic matrix tube is sheathed.
  • the plastic matrix lauc preferably has the shape of a straight / hollow circular cylinder, whose inner diameter is matched with the Au DT manmesser the body that the fabric tube fits between them or the plastic matrix tube can be mounted on the leech fabric leech when the
  • the plastic matrix tube can, if appropriate with the aid of a suitable mounting device, also be combined with the tissue leek before the fabric tube is applied to the base body.
  • the plastic matrix necessary for fixing the fiber reinforcement is applied in one operation, for example by coating the fabric tube with a melt-like substance or by coating the plastic matrix tube in the manner of a shrink tube.
  • Heat shrink tubing is a plastic tubing that contracts under heat.
  • Shrink tubing is used, for example, for wrapping cables or plugs or for packaging piece goods.
  • the plastic matrix tube according to the invention is formed, at least in part, from plastic materials, such as thermoplastics, which contract under the influence of heat.
  • a further preferred embodiment of the method is characterized in that the fabric tube or the fiber reinforcement is coated with the plastic matrix tube after the tissue leech or the fiber reinforcement has been applied to the base body.
  • the plastic matrix tube is then connected, preferably in the manner of a heat-shrinkable tube, to the tissue sac to embed the tissue sac in the plastic matrix tube.
  • the fabric tube or fiber reinforcement may or may not be preimpregnated.
  • a further preferred embodiment of the method is characterized in that a plastic matrix tube with the Gewebesch lauch or with the fiber reinforcement is coated. The two hoses can be applied for this purpose on a mounting aid.
  • a further preferred embodiment of the method is characterized in that the plastic matrix tube with the tissue leek or is coated with the fiber reinforcement after the plastic matrix tube has been applied to the base body.
  • the plastic matrix tube and / or the fabric tube may / may be made stretchable to facilitate processing.
  • a further preferred embodiment of the method is characterized in that a plurality of layers of fiber reinforcement and plastic matrix are applied.
  • a further preferred embodiment of the method is characterized in that the plastic matrix material is cured or fused to embed the fabric tube or the fiber reinforcement in the plastic matrix material. The curing of the plastic matrix material can be carried out, for example, in an autoclave.
  • a further preferred embodiment of the method is characterized in that the basic body is removed after a curing of the plastic matrix material.
  • the body in this case represents only one mounting bracket, which is no longer present in the finished product.
  • a fiber composite receiving body having a main body which essentially has the shape of a straight, hollow circular cylinder
  • the above-stated object is alternatively or additionally achieved by at least one fiber, one layer of fiber reinforcement and / or one fabric material according to one described method applied to the body and embedded in one or the plastic matrix.
  • the main body is formed, for example, of metal and / or plastic.
  • the fabric hose is made of continuous fibers and has relatively narrow stitches.
  • relatively narrow mesh is to be distinguished from relatively wide mesh, as they have fabric tubes, for example, for bundling or
  • the invention furthermore relates to the use of such a fiber composite receiving body as a fluid reservoir or as a fluid cylinder, in particular as an actuating cylinder.
  • the fluid may be a gas, such as natural gas or hydrogen.
  • the fluid reservoir / fluid cylinder is used as a function of the used medium as a pneumatic accumulator / pneumatic cylinder or hydraulic accumulator / hydraulic cylinder called.
  • the fluid reservoir may, however, also be a hydraulic accumulator with built-in media separation, such as a bladder accumulator or piston accumulator.
  • the fluid reservoir is preferably installed in motor vehicles.
  • the invention further relates to the use of such a fiber composite receiving body in a motor vehicle with a hydraulic drive.
  • the hydraulic accumulator is preferably designed as a hydropneumatic accumulator, for example as a bladder accumulator, piston accumulator or diaphragm accumulator.
  • the invention simplifies the conception of a low-cost lightweight storage device or lightweight pressure container for mass production.
  • Figure 1 shows a first embodiment of the invention, in which a pre-impregnated fabric tube is mounted on a base body and
  • Figure 2 shows a second embodiment in which first a fabric tube and then a plastic matrix tube are mounted on a base body.
  • a base body 1 which has the shape of a straight circular cylinder jacket 3.
  • the straight circular cylinder jacket 3 has at its closed ends 5, 6 the shape of a hemisphere.
  • a connection 8, 9 is provided in the center of the hemisphere.
  • the connections 8, 9 can be designed as valves and serve to allow a defined passage of fluid.
  • the main body 1 may be formed of metal, for example aluminum or an aluminum alloy.
  • the main body 1 can also be made of metal, for example aluminum or an aluminum alloy.
  • the main body 1 can also be made of metal, for example aluminum or an aluminum alloy.
  • the main body 1 can also be made of metal, for example aluminum or an aluminum alloy.
  • the main body 1 can also be made of metal, for example aluminum or an aluminum alloy.
  • the main body 1 can also be made of metal, for example aluminum or an aluminum alloy.
  • the main body 1 can also be made of metal, for example aluminum or an aluminum alloy.
  • the base body 1 is formed.
  • the material of which the base body 1 is formed is not reinforced.
  • the base body 1 is reinforced with continuous fibers.
  • the fiber reinforcement is applied as a prefabricated fabric layer. This provides the advantage that a complex turning of the base body 1 with endless fibers can be dispensed with.
  • the textile fabric used according to the invention is produced relatively tightly from high-strength fibers having a defined diameter of a defined length. As a result, a Gewebesch leuch or tissue tube is created, which is drawn on or around the relatively thin-walled base body 1, which is also referred to as a liner.
  • the base body 1 can not only be made of plastic or metal, but also for example made of ceramic.
  • a suitable epoxy material is applied to the base 1 with the fabric tube and cured to embed the fibers of the fabric tube into the epoxy material that constitutes the plastic matrix.
  • the epoxy material cures under heat.
  • This process is also referred to as lamination.
  • the process described by means of a tissue leek can be repeated as desired until a desired material thickness is achieved which ensures a desired compressive strength of the fiber composite receiving body.
  • the application of the fibers in the form of the fabric tube provides the advantage that in one operation, the entire reinforcement with reinforcing fibers or fabric fibers is made.
  • the continuous fibers are in the form of a tissue leek 15; 25 applied to the base body 1 and embedded in a plastic matrix.
  • the fibers are fixed to the base body 1.
  • the fixation of fibers in the plastic matrix is also referred to as lamination.
  • the laminating process is simplified.
  • the continuous fibers are for this purpose as a fabric tube 15; 25 applied.
  • the Gewebesch leech 15 is first prepared with a still flexible plastic matrix material or preimpregnated. Subsequently, the fabric hose 15, which is prepared or preimpregnated with the still flexible plastic matrix material, is applied to the main body 1, which is also referred to as a liner, or a mold, as indicated by an arrow.
  • the plastic matrix material is cured, for example by a thermal process or by adding a hardener. During curing, on the one hand, the plastic matrix material is firmly or materially connected to the main body 1.
  • the fabric layer 15 is embedded in the thermosetting plastic matrix material.
  • the still flexible plastic matrix material with the Gewebesch lauch after mounting on the base body 1 is designated.
  • the cured plastic matrix material is designated with the fabric tube embedded therein.
  • the fabric tube 25 is initially drawn onto the base body 1 alone.
  • the wound on the body 1 Gewebesch leuch is designated 26 in Figure 2.
  • a plastic matrix tube 28 is mounted on the base body 1 with the fabric tube 26 pulled up.
  • the basic body 1 with the plastic matrix tube 28 mounted on the fabric tube 26 is designated 30 in FIG.
  • the intermediate product 30 is processed into a final product 34, for example in a thermal process by supplying heat.
  • the plastic matrix tube 28 for example, by heat and / or pressurization in an autoclave, with the base body 1 and the interposed fabric tube 25, 26 is connected. This will frae way a very stable fiber composite receptacle body 34 created.
  • the fiber composite receiving body 17; 34 are suitable for all gas and hydraulic storage applications.
  • the fiber composite receiving body 17; 34 are particularly suitable for use in mobile hydraulics, for example as a hydraulic accumulator for motor vehicles with a hydraulic drive and for hybrid hydraulic vehicles.
  • the fiber composite receiving body 17 according to the invention; 34 are also suitable as actuating cylinders for pneumatic or hydraulic applications.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Composite Materials (AREA)
  • Mechanical Engineering (AREA)
  • Textile Engineering (AREA)
  • Moulding By Coating Moulds (AREA)
  • Reinforced Plastic Materials (AREA)

Abstract

L'invention concerne un procédé de fabrication d'un corps de réception en matériau composite à base de fibres (17; 34) constitué d'un corps de base (1). Le but de l'invention est de réaliser un corps de réception en matériau composite à base de fibres constitué d'un corps de base (1), de conception simple et pouvant être fabriqué à faible coût. A cet effet, au moins une fibre, un renfort de fibres et/ou une matière tissée (12, 25) est préimprégné(e) d'une matrice plastique, avant que la fibre préimprégnée, le renfort de fibres préimprégné et/ou le tissu préimprégné soit appliqué(e) sur le corps de base (1). Une matrice plastique sous forme de tube (28) est posée sur le corps de base (1) sur lequel le tube de tissu (26) a été posé.
EP11791544.7A 2010-12-09 2011-12-05 Procédé de fabrication d'un corps de réception en matériau composite à base de fibres Withdrawn EP2648891A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102010062682A DE102010062682A1 (de) 2010-12-09 2010-12-09 Verfahren zum Herstellen eines Faserverbund-Aufnahmekörpers
PCT/EP2011/071701 WO2012076446A1 (fr) 2010-12-09 2011-12-05 Procédé de fabrication d'un corps de réception en matériau composite à base de fibres

Publications (1)

Publication Number Publication Date
EP2648891A1 true EP2648891A1 (fr) 2013-10-16

Family

ID=45099087

Family Applications (1)

Application Number Title Priority Date Filing Date
EP11791544.7A Withdrawn EP2648891A1 (fr) 2010-12-09 2011-12-05 Procédé de fabrication d'un corps de réception en matériau composite à base de fibres

Country Status (4)

Country Link
EP (1) EP2648891A1 (fr)
CN (1) CN103249541A (fr)
DE (1) DE102010062682A1 (fr)
WO (1) WO2012076446A1 (fr)

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DE102012025225A1 (de) 2012-12-21 2014-06-26 Robert Bosch Gmbh Schutzkappe für Rohrförmiges Element
DE102015212020B4 (de) * 2015-06-29 2018-03-29 Kautex Textron Gmbh & Co. Kg Verbund-Druckbehälter sowie Verfahren zur Herstellung des Verbund-Druckbehälters
JP6571582B2 (ja) 2016-04-08 2019-09-04 トヨタ自動車株式会社 タンクの製造方法
DE102018218039A1 (de) 2018-10-22 2020-04-23 Airbus Operations Gmbh Verstärkungselement für ein Strukturprofil, Strukturanordnung, Luft- oder Raumfahrzeug und Verfahren zur Herstellung einer Strukturanordnung
DE102018129530A1 (de) 2018-11-23 2020-05-28 Technische Universität Ilmenau Verfahren zur Herstellung von komplex gekrümmten Strukturelementen aus faserverstärkten Kunststoffen und damit hergestellte Faserverbundfeder

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US5633074A (en) * 1993-06-07 1997-05-27 Yamaha Corporation Prepreg available for fiber reinforced thermoplastic resin and process of producing sporting goods using the same
DE69731261T2 (de) * 1996-02-09 2006-02-23 The Yokohama Rubber Co., Ltd. Thermoplastische elastomerzusammensetzung, verfahren zu deren herstellung, schlauch aus dieser zusammensetzung und verfahren zur herstellung
US20040168773A1 (en) * 2002-10-10 2004-09-02 Hauber David E. Reinforced thin wall thermoplastic storage vessel manufacture
FR2923575A1 (fr) * 2007-11-13 2009-05-15 Michelin Soc Tech Reservoir de fluide sous pression, methode et appareil pour la fabrication d'un tel reservoir.
DE102008022377B4 (de) * 2008-05-06 2014-02-13 Eurocopter Deutschland Gmbh Stützstrebe zur Abstützung eines in einem Flugzeugrumpf angeordneten Zwischendecks sowie Verfahren zur Herstellung eines Stangenkörpers für eine solche Stützstrebe
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Also Published As

Publication number Publication date
DE102010062682A1 (de) 2012-06-14
WO2012076446A1 (fr) 2012-06-14
CN103249541A (zh) 2013-08-14

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