DE102009015612A1 - Method for manufacturing e.g. motor vehicle component, involves broadening fiber reinforcement, so that fiber reinforcement is fixed on inner wall of hollow container, and reinforcing expanded fiber reinforcement - Google Patents

Method for manufacturing e.g. motor vehicle component, involves broadening fiber reinforcement, so that fiber reinforcement is fixed on inner wall of hollow container, and reinforcing expanded fiber reinforcement Download PDF

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Publication number
DE102009015612A1
DE102009015612A1 DE102009015612A DE102009015612A DE102009015612A1 DE 102009015612 A1 DE102009015612 A1 DE 102009015612A1 DE 102009015612 A DE102009015612 A DE 102009015612A DE 102009015612 A DE102009015612 A DE 102009015612A DE 102009015612 A1 DE102009015612 A1 DE 102009015612A1
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Germany
Prior art keywords
fiber reinforcement
tool
hollow body
wall
fiber
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DE102009015612A
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German (de)
Inventor
Wolfgang Dipl.-Ing. Streubel
Karsten Becker
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Benteler Maschinenbau GmbH
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Benteler Maschinenbau GmbH
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Priority to DE102009015612A priority Critical patent/DE102009015612A1/en
Publication of DE102009015612A1 publication Critical patent/DE102009015612A1/en
Ceased legal-status Critical Current

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    • 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
    • B29C70/446—Moulding structures having an axis of symmetry or at least one channel, e.g. tubular structures, frames
    • 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
    • B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without 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
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/01—General aspects dealing with the joint area or with the area to be joined
    • B29C66/05—Particular design of joint configurations
    • B29C66/10—Particular design of joint configurations particular design of the joint cross-sections
    • B29C66/13—Single flanged joints; Fin-type joints; Single hem joints; Edge joints; Interpenetrating fingered joints; Other specific particular designs of joint cross-sections not provided for in groups B29C66/11 - B29C66/12
    • B29C66/131—Single flanged joints, i.e. one of the parts to be joined being rigid and flanged in the joint area
    • B29C66/1312—Single flange to flange joints, the parts to be joined being rigid
    • 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
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/70—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material
    • B29C66/72—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the structure of the material of the parts to be joined
    • B29C66/721—Fibre-reinforced materials
    • 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
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/70—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material
    • B29C66/72—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the structure of the material of the parts to be joined
    • B29C66/721—Fibre-reinforced materials
    • B29C66/7212—Fibre-reinforced materials characterised by the composition of the 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
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/70—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material
    • B29C66/72—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the structure of the material of the parts to be joined
    • B29C66/721—Fibre-reinforced materials
    • B29C66/7214—Fibre-reinforced materials characterised by the length of the fibres
    • B29C66/72141—Fibres of continuous length
    • 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
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/70—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material
    • B29C66/74—Joining plastics material to non-plastics material
    • B29C66/742—Joining plastics material to non-plastics material to metals or their alloys
    • 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
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/80—General aspects of machine operations or constructions and parts thereof
    • B29C66/81—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps
    • B29C66/814—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the design of the pressing elements, e.g. of the welding jaws or clamps
    • B29C66/8145—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the design of the pressing elements, e.g. of the welding jaws or clamps characterised by the constructional aspects of the pressing elements, e.g. of the welding jaws or clamps
    • B29C66/81455—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the design of the pressing elements, e.g. of the welding jaws or clamps characterised by the constructional aspects of the pressing elements, e.g. of the welding jaws or clamps being a fluid inflatable bag or bladder, a diaphragm or a vacuum bag for applying 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
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/80—General aspects of machine operations or constructions and parts thereof
    • B29C66/81—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps
    • B29C66/814—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the design of the pressing elements, e.g. of the welding jaws or clamps
    • B29C66/8145—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the design of the pressing elements, e.g. of the welding jaws or clamps characterised by the constructional aspects of the pressing elements, e.g. of the welding jaws or clamps
    • B29C66/81459—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the design of the pressing elements, e.g. of the welding jaws or clamps characterised by the constructional aspects of the pressing elements, e.g. of the welding jaws or clamps being a filled deformable bladder, e.g. bladder filled with oil, with granules or with a meltable solid material
    • 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
    • B29C35/02—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a 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
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/50—General aspects of joining tubular articles; General aspects of joining long products, i.e. bars or profiled elements; General aspects of joining single elements to tubular articles, hollow articles or bars; General aspects of joining several hollow-preforms to form hollow or tubular articles
    • B29C66/51—Joining tubular articles, profiled elements or bars; Joining single elements to tubular articles, hollow articles or bars; Joining several hollow-preforms to form hollow or tubular articles
    • B29C66/53—Joining single elements to tubular articles, hollow articles or bars
    • B29C66/532—Joining single elements to the wall of tubular articles, hollow articles or bars
    • 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
    • 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
    • B29K2105/24—Condition, form or state of moulded material or of the material to be shaped crosslinked or vulcanised
    • B29K2105/246—Uncured, e.g. green
    • 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
    • B29K2305/00—Use of metals, their alloys or their compounds, as reinforcement
    • 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
    • B29K2307/00—Use of elements other than metals as reinforcement
    • 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
    • B29K2309/00—Use of inorganic materials not provided for in groups B29K2303/00 - B29K2307/00, as reinforcement
    • B29K2309/08—Glass
    • 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
    • B29K2707/00—Use of elements other than metals for preformed parts, e.g. for inserts
    • B29K2707/04—Carbon
    • 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
    • B29K2709/00—Use of inorganic materials not provided for in groups B29K2703/00 - B29K2707/00, for preformed parts, e.g. for inserts
    • B29K2709/08—Glass
    • 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
    • B29L2022/00—Hollow articles

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Composite Materials (AREA)
  • Body Structure For Vehicles (AREA)

Abstract

The method involves positioning fiber reinforcement e.g. glass-reinforced fiber reinforcement, in a hollow container (4) on a tool i.e. balloon catheter, where the hollow container is made of metal. The tool is filled with a fluid, and gas and liquid is utilized as fluid. The fiber reinforcement is broadened, so that the fiber reinforcement is fixed on an inner wall of the hollow container. The expanded fiber reinforcement is reinforced. The tool is expanded through pressure on the fluid, and the fluid is heated up to a temperature for hardening the fiber reinforcement. An independent claim is also included for a profile element including a joining region.

Description

Die Erfindung beschreibt ein Verfahren zur Herstellung von Profilbauteilen, insbesondere von Kraftfahrzeug-, Struktur- oder Fahrwerksbauteilen sowie ein Profilbauteil, insbesondere Kraftfahrzeug-, Struktur- oder Fahrwerksbauteil.The Invention describes a method for the production of profile components, in particular of motor vehicle, structural or chassis components and a profile component, in particular motor vehicle, structural or chassis component.

Vor allem in der Fahrzeugindustrie steht die Reduzierung des Gewichts der verwendeten Profilbauteile im Vordergrund. Gleichzeitig aber soll die Steifigkeit dieser Profilbauteile erhöht werden, um den Insassen einen möglichst optimalen Schutz im Falle eines Unfalls zu bieten.In front Everything in the vehicle industry is the reduction of weight the profile components used in the foreground. At the same time though the rigidity of these profile components should be increased to provide the inmates the best possible protection in the event to offer an accident.

Aus dem Stand der Technik ist es bekannt, gewichtsoptimierte Kraftfahrzeugbauteile durch Einbinden von faserverstärkten Geweben zu verstärken. So beschreibt beispielsweise die DE 10 2004 003 190 A1 eine Baugruppe einer Kraftfahrzeugkarosserie in Schalenbauweise, welche eine Außen- und eine Innenschale aufweist, wobei in zumindest einer dieser Schalen eine Faserverstärkung aus einem faserverstärkten Kunststoff angeordnet ist. Diese wird mit einer Innenwand der Schale flächig verklebt. Im Anschluss daran werden die Außen- und Innenschalen miteinander verbunden.From the prior art it is known to increase weight-optimized motor vehicle components by incorporating fiber-reinforced fabrics. For example, describes the DE 10 2004 003 190 A1 an assembly of a vehicle body in shell construction, which has an outer and an inner shell, wherein in at least one of these shells, a fiber reinforcement of a fiber-reinforced plastic is arranged. This is glued flat with an inner wall of the shell. Subsequently, the outer and inner shells are connected to each other.

Kraftfahrzeugbauteile, wie beispielsweise Vorderachshilfsrahmen, Hinterachsen oder andere Hohlkörper, werden in vielen Fällen durch Verfahren mit einem hohen Wärmeeintrag, wie Schutzgasschweißen, Punktschweißen oder Laserschweißen, hergestellt. Die hierbei auftretenden Temperaturen sind zu hoch für faserverstärkte Kunststoffe und können diese zerstören. Aus diesem Grund muss beim Integrieren von faserverstärkten Kunststoffen darauf geachtet werden, dass diese im Abstand zu den späteren Fügestellen angeordnet werden. Es ist daher beispielsweise nicht möglich, einen aus zwei Halbschalen zusammengesetzt hergestellten Hohlkörper innen vollständig durch den Einsatz eines faserverstärkten Kunststoffs zu verstärken.Automotive components, such as front axle auxiliary frames, rear axles or other hollow bodies, are in many cases by high-level procedures Heat input, such as inert gas welding, spot welding or laser welding, manufactured. The occurring here Temperatures are too high for fiber reinforced Plastics and can destroy them. For this Reason must be given when integrating fiber-reinforced plastics be taken to ensure that they are in the distance to the later Joints are arranged. It is therefore, for example not possible, one composed of two half-shells completely finished inside hollow body to increase the use of a fiber-reinforced plastic.

Der Erfindung liegt hiervon ausgehend die Aufgabe zu Grunde, einerseits ein Verfahren aufzuzeigen, mit welchem Profilbauteile, insbesondere Kraftfahrzeugbauteile in Form von Hohlprofilen aus Metall, mit faserverstärkten Geweben verstärkt werden können sowie andererseits ein entsprechendes Profilbauteil aufzuzeigen.Of the On this basis, the invention is based on the object, on the one hand to show a method with which profile components, in particular motor vehicle components in the form of hollow sections of metal, with fiber-reinforced Tissues and on the other hand to show a corresponding profile component.

Die Lösung der Verfahrensaufgabe besteht in einem Verfahren mit den Maßnahmen des Patentanspruchs 1.The Solution of the process task consists in a procedure with the measures of claim 1.

Der gegenständliche Teil der Aufgabe wird durch ein Profilbauteil mit den Merkmalen des Patentanspruchs 14 gelöst.Of the objective part of the task is a profile component solved with the features of claim 14.

Vorteilhafte Weiterbildungen sind Gegenstand der jeweiligen Unteransprüche.advantageous Further developments are the subject of the respective subclaims.

Durch das erfindungsgemäße Verfahren werden Profilbauteile, insbesondere Kraftfahrzeug-, Struktur- oder Fahrwerksbauteile, welche einen Hohlkörper aus Metall aufweisen, mit einer zumindest bereichsweise an einer Innenwand angeordneten Faserverstärkung verstärkt. Zu diesen Profilbauteilen gehören beispielsweise Rohrprofile oder bereits miteinander verbundene, ein umfangsseitig geschlossenes Hohlprofil bildende Struktur- oder Schalenbauteile. Diese können beispielsweise durch Schweißverfahren miteinander verbunden sein. Die Herstellung des Hohlprofils erfolgt erfindungsgemäß vor dem Einbringen der Faserverstärkung.By the method according to the invention become profile components, in particular motor vehicle, structural or chassis components, which a hollow body made of metal, with at least one partially arranged on an inner wall fiber reinforcement strengthened. These profile components include, for example Pipe profiles or already interconnected, one circumferentially closed hollow profile forming structural or shell components. These can, for example, by welding together be connected. The production of the hollow profile according to the invention before the introduction of the fiber reinforcement.

Die Faserverstärkung wird in den fertigen Hohlkörper eingebracht und anschließend derart aufgeweitet, dass sich die Faserverstärkung an der Innenwand des Hohlkörpers flächig anlegt. Die Faserverstärkung ist zu diesem Zeitpunkt noch weich und damit flexibel genug, um aufgeweitet werden zu können. Die Faserverstärkung kann bereichsweise oder vollflächig an der Innenwand anliegen, je nach geforderter Steifigkeit. Anschließend wird die Faserverstärkung verfestigt und geht eine feste Klebeverbindung mit dem Hohlkörper ein. Da nach dem Einbringen der Faserverstärkung keine Fertigungsschritte mit hohem Wärmeeintrag mehr erforderlich sind, kann die Faserverstärkung in jedem Bereich des Hohlkörpers angeordnet werden. Je nach Art der Faserverstärkung und der Struktur bzw. des Profils der Innenwand kann die Verbindung zwischen der Faserverstärkung und der Innenwand des Hohlprofils flächig oder bei entsprechenden Hinterschneidungen auch formschlüssig sein. Hierbei kann die Faserverstärkung auch den Verbindungsbereich zwischen zwei Profilelementen überbrücken, selbst wenn die Profilelemente, aus denen das Profilbauteil zusammengesetzt ist, durch ein thermisches Fügeverfahren verbunden worden sind.The Fiber reinforcement is in the finished hollow body introduced and then expanded so that the fiber reinforcement on the inner wall of the hollow body two-dimensional. The fiber reinforcement is to this Timing is still soft and therefore flexible enough to be widened to be able to. The fiber reinforcement can be regionally or completely against the inner wall, depending on the required Rigidity. Subsequently, the fiber reinforcement solidifies and goes a firm adhesive bond with the hollow body one. Since after the introduction of the fiber reinforcement no Manufacturing steps with high heat input more required can, the fiber reinforcement in each area of the hollow body to be ordered. Depending on the type of fiber reinforcement and the structure or the profile of the inner wall, the connection between the fiber reinforcement and the inner wall of the hollow profile flat or with appropriate undercuts also be positive. Here, the fiber gain also bridge the connection area between two profile elements, even if the profile elements that make up the profile component is linked by a thermal joining process are.

Vorzugsweise wird die Faserverstärkung auf ein Werkzeug aufgebracht und mit diesem Werkzeug durch eine Öffnung in den Hohlkörper eingeführt. Nach dem Einbringen wird das Werkzeug zumindest teilweise expandiert. Es drückt somit die Faserverstärkung an die Innenwand des Hohlkörpers, wo diese sich auf Grund ihrer hohen Viskosität flächig anlegt. Die Faserverstärkung wird nach einem Aufweitprinzip mit dem umgebenden Profilbauteil verbunden. Die Faserverstärkung kann bei diesem Prinzip ebenfalls als Hohlkörper, insbesondere als Schlauch, ausgebildet sein. Als Werkzeug kann beispielsweise eine Art Ballonkatheter eingesetzt werden, welcher mit einem Fluid befüllt wird. Als Fluid kann sowohl ein Gas als auch eine Flüssigkeit eingesetzt werden. Durch Ausübung eines Drucks auf das eingesetzte Fluid wird das Werkzeug aufgeweitet bzw. expandiert, wodurch die Faserverstärkung an die Innenwand des Hohlkörpers gedrückt wird. Nachdem die Faserverstärkung teilweise oder vollständig an der Innenwand des Hohlkörpers anliegt, wird entweder das Fluid oder das Werkzeug auf eine Aushärtetemperatur erhitzt, so dass die Faserverstärkung an der Innenwand anliegend ausgehärtet wird. Ebenso ist es möglich, das Werkzeug mit einem bereits temperierten Medium zu befüllen.Preferably, the fiber reinforcement is applied to a tool and introduced with this tool through an opening in the hollow body. After insertion, the tool is at least partially expanded. It thus pushes the fiber reinforcement to the inner wall of the hollow body, where it applies flat due to their high viscosity. The fiber reinforcement is connected to the surrounding profile component according to an expansion principle. The fiber reinforcement can also be formed in this principle as a hollow body, in particular as a hose. As a tool, for example, a type of balloon catheter can be used, which is filled with a fluid. As a fluid, both a gas and a liquid can be used. By exerting pressure on the fluid used, the tool expands or expands diert, whereby the fiber reinforcement is pressed against the inner wall of the hollow body. After the fiber reinforcement partially or completely abuts against the inner wall of the hollow body, either the fluid or the tool is heated to a curing temperature, so that the fiber reinforcement is cured adjacent to the inner wall. It is also possible to fill the tool with an already tempered medium.

Das Werkzeug bleibt so lange im expandierten Zustand, bis eine ausreichende Festigkeit der Faserverstärkung an der Innenwand erreicht ist. Im Anschluss daran wird der von dem Werkzeug ausgeübte Druck verringert. Das Werkzeugvolumen wird verkleinert. Dadurch löst sich das Werkzeug von der ausgehärteten Faserverstärkung an der Innenwand des Hohlkörpers und kann aus dem Hohlkörper entfernt werden. Gegebenenfalls kann die Faserverstärkung anschließend noch nachgehärtet werden.The Tool remains in the expanded state until a sufficient Strength of the fiber reinforcement achieved on the inner wall is. Following this, the tool exerted by the tool Reduced pressure. The tool volume is reduced. Thereby the tool releases from the hardened fiber reinforcement on the inner wall of the hollow body and can from the hollow body be removed. Optionally, the fiber reinforcement then be postcured.

Um zu vermeiden, dass das Werkzeug an der Faserverstärkung haften bleibt, ist es vorzugsweise mit einer Antihaftbeschichtung versehen.Around to avoid having the tool at the fiber reinforcement it is preferably with a non-stick coating Mistake.

Als Faserverstärkung kann beispielsweise ein glasfaserverstärktes Gewebe oder auch ein kohlenstofffaserverstärktes Gewebe eingesetzt werden. Das Auftragen des faserverstärkten Gewebes erfolgt derart, dass die Fasern ungefähr in Umfangsrichtung des Werkzeuges orientiert sind. Die Schichtdicke des aufgetragenen Gewebes kann entsprechend der Geometrie der Innenwand des Hohlkörpers variieren. Dadurch kann einerseits eine gleichmäßige Verteilung der Faserverstärkung an der Innenwand, andererseits auch eine gezielte bereichsweise größere Verstärkung der Innenwand erzielt werden. Mit Aufweitung des Werkzeugs vergrößert sich dessen Umfangsfläche und die Fasern gleiten relativ zueinander, wobei die Schichtdicke des Gewebes abnimmt. Durch das Auftragen der Fasern in Umfangsrichtung des Werkzeugs wird sichergestellt, dass sich diese ungefähr parallel zur Innenwand orientiert an diese anlegen.When Fiber reinforcement, for example, a glass fiber reinforced Tissue or a carbon fiber reinforced tissue be used. Applying the fiber reinforced fabric takes place such that the fibers approximately in the circumferential direction of Tool are oriented. The layer thickness of the applied fabric can according to the geometry of the inner wall of the hollow body vary. This can on the one hand a uniform Distribution of the fiber reinforcement on the inner wall, on the other hand also a targeted areawise greater reinforcement the inner wall can be achieved. Enlarged with widening of the tool its peripheral surface and the fibers slide relatively to each other, wherein the layer thickness of the tissue decreases. By the Applying the fibers in the circumferential direction of the tool is ensured that this is oriented approximately parallel to the inner wall create on this.

Ein mit diesem Verfahren hergestelltes Profilbauteil umfasst somit einen metallischen Hohlkörper, welcher durch eine mit seiner Innenwand verbundenen Faserverstärkung zumindest bereichsweise verstärkt ist. Dabei erfolgt die Verstärkung nach der Herstellung des Hohlkörpers. Dies bedeutet, dass beispielsweise temperaturintensive Verfahren wie Schweißen oder Löten zum Verbinden von beispielsweise Schalen oder Profilelementen vor dem Einbringen der Faserverstärkung durchgeführt werden. Dadurch muss bei der Platzierung der faserverstärkten Kunststoffe nicht mehr darauf geachtet werden, dass diese im Abstand zu den späteren Fügestellen angeordnet werden, um eine zu starke Erwärmung und Beschädigung der Faserverstärkung zu vermeiden.One The profiled component produced by this method thus comprises one metallic hollow body, which by one with its Interior wall connected fiber reinforcement at least partially is reinforced. The reinforcement takes place after the Production of the hollow body. This means that, for example Temperature-intensive processes such as welding or soldering for connecting, for example, shells or profile elements performed the introduction of the fiber reinforcement become. This requires the placement of the fiber-reinforced Plastics are no longer paid attention to these in the distance be arranged to the later joints, to overheating and damaging the Fiber reinforcement to avoid.

Die Faserverstärkung kann bereichsweise oder vollständig an der Innenwand des Hohlkörpers angeordnet sein. Besteht das Profilbauteil beispielsweise aus einem zusammengesetzten Hohlkörper, so kann insbesondere der Fügebereich zwischen den Profilbauteilen durch die Faserverstärkung überbrückt werden.The Fiber reinforcement can be regional or complete be arranged on the inner wall of the hollow body. Consists the profile component, for example, from a composite hollow body, so In particular, the joining region between the profile components bridged by the fiber reinforcement become.

Verfahren und Profilbauteil werden anhand eines Ausführungsbeispiels in den nachfolgenden Figuren näher beschrieben. Es zeigen:method and profile component are based on an embodiment described in more detail in the following figures. Show it:

1 ein Profilbauteil ohne Faserverstärkung; 1 a profile component without fiber reinforcement;

2 das Einbringen eines Werkzeugs mit einer Faserverstärkung; 2 the introduction of a tool with a fiber reinforcement;

3 Expandieren des Werkzeugs im Hohlkörper; 3 Expanding the tool in the hollow body;

4 Entfernen des Werkzeugs aus dem Hohlkörper und 4 Removing the tool from the hollow body and

5 das fertige Profilbauteil. 5 the finished profile component.

1 zeigt ein Profilbauteil 1 bestehend aus zwei profilierten und miteinander verbundenen Profilelementen 2, 3 aus Metall, welche einen rohrförmigen Hohlkörper 4 bilden. Der Hohlkörper 4 ist umfangsseitig geschlossen. Er besitzt aber wenigstens eine hinreichend große Öffnung, die das Einführen eines Werkzeugs ermöglicht. Die Öffnung befindet sich vorzugsweise an dem Ende des Hohlkörpers 4. 1 shows a profile component 1 consisting of two profiled and interconnected profile elements 2 . 3 made of metal, which is a tubular hollow body 4 form. The hollow body 4 is closed on the periphery. But he has at least a sufficiently large opening, which allows the insertion of a tool. The opening is preferably located at the end of the hollow body 4 ,

In diesen Hohlkörper 4 wird ein Werkzeug 5 durch eine hier nicht dargestellte Öffnung eingebracht (2 und 3). Das Werkzeug trägt eine Faserverstärkung 6. Als Faserverstärkung kann hierbei ein glasfaserverstärktes oder kohlenstofffaserverstärktes Gewebe auf Harzbasis eingesetzt werden. Die Faserverstärkung 6 wird dabei derart aufgebracht, dass die Fasern 7 in Richtung der Umfangsseite 8 des Werkzeugs 5 orientiert sind. Dies ermöglicht ein gleichmäßiges Gleiten der Fasern 7 gegeneinander während des Aufweitens des Werkzeuges 5. Neben dem, wie hier gezeigten vollflächigen Aufbringen der Faserverstärkung 6 auf das Werkzeug 5, ist es alternativ hierzu möglich, die Faserverstärkung 6 nur bereichsweise auf die Umfangsseite 8 aufzubringen.In this hollow body 4 becomes a tool 5 introduced through an opening, not shown here ( 2 and 3 ). The tool carries a fiber reinforcement 6 , As a fiber reinforcement can be used in this case a glass fiber reinforced or carbon fiber reinforced resin-based fabric. The fiber reinforcement 6 is applied in such a way that the fibers 7 in the direction of the peripheral side 8th of the tool 5 are oriented. This allows a smooth sliding of the fibers 7 against each other during the widening of the tool 5 , In addition to the full-surface application of the fiber reinforcement shown here 6 on the tool 5 , it is alternatively possible, the fiber reinforcement 6 only partially on the peripheral side 8th applied.

Die Umfangsseite 8 des Werkzeugs 5 ist mit einer Antihaftbeschichtung versehen ist, die verhindert, dass die Faserverstärkung 6 auf dem Werkzeug 5 haften bleibt. Nach dem Einbringen des Werkzeugs 5 wird das Werkzeug 5 beispielsweise mit einer Flüssigkeit 9 gefüllt und durch Druck P auf die Flüssigkeit 9 derart aufgeweitet, dass die Faserverstärkung 6 sich an die Innenwand 10 des Hohlkörpers 4 anlegt. Die Faserverstärkung 6 kann, wie aus 2 ersichtlich, unterschiedliche, an die Kontur der Innenwand 10 angepasste Schichtdicken aufweisen, um nach dem Aufweiten eine möglichst gleichmäßige Verstärkung des Hohlkörpers 4 zu erhalten.The peripheral side 8th of the tool 5 is provided with a non-stick coating, which prevents the fiber reinforcement 6 on the tool 5 sticks. After inserting the tool 5 becomes the tool 5 for example with a liquid 9 filled and by pressure P on the liquid 9 expanded so that the fiber reinforcement 6 to the inner wall 10 of the hollow body 4 invests. The fiber reinforcement 6 can, how out 2 visible, different, to the contour of the inner wall 10 have adapted layer thicknesses, after widening as uniform as possible reinforcement of the hollow body 4 to obtain.

Durch Temperieren der Flüssigkeit 9 auf eine Temperatur T, die zur Aushärtung der gewählten Faserverstärkung 6 geeignet ist, wird diese an der Innenwand 10 des Hohlkörpers 4 anliegend ausgehärtet.By tempering the liquid 9 to a temperature T, which is used to cure the selected fiber reinforcement 6 is suitable, this will be on the inner wall 10 of the hollow body 4 hardened adjacent.

Anschließend wird der Druck P auf das Werkzeug 5 wieder verringert (4). Das Werkzeug 5 zieht sich zusammen und kann aus dem Hohlkörper 4 entnommen werden. Zurück bleibt eine mit der Innenwand 10 flächig verklebte Faserverstärkung 6.Subsequently, the pressure P on the tool 5 again reduced ( 4 ). The tool 5 contracts and can be removed from the hollow body 4 be removed. One remains with the inner wall 10 areal bonded fiber reinforcement 6 ,

Das fertige Profilbauteil 1 (5) weist nun einen Hohlkörper 4 auf, an dessen Innenwand 10 eine flächig klebende Faserverstärkung 6 angeordnet ist. Hierbei überbrückt die Faserverstärkung 6 auch den Fügebereich 11 zwischen den beiden Profilelementen 2, 3 des Hohlkörpers 4. Das Fügen der Profilelemente durch Schweißen erfolgte bereits vor dem Einbringen der Faserverstärkung. Somit ist die Faserverstärkung 6 keiner ungünstigen Temperatureinwirkung mehr ausgesetzt und kann das Profilbauteil 1 optimal verstärken. Die Faserverstärkung 6 ist zudem vor mechanischen Einflüssen geschützt angeordnet. Das ist insbesondere von Vorteil, wenn es sich bei dem Hohlkörper um ein Element des Fahrwerks handelt, das z. B. Steinschlag ausgesetzt ist. Zudem schützt der umgebende Hohlkörper 4 die Faserverstärkung auch vor chemischen Einflüssen, wie z. B. Streusalz.The finished profile component 1 ( 5 ) now has a hollow body 4 on, on its inner wall 10 a surface-adhesive fiber reinforcement 6 is arranged. This bridges the fiber reinforcement 6 also the joining area 11 between the two profile elements 2 . 3 of the hollow body 4 , The joining of the profile elements by welding already took place before the introduction of the fiber reinforcement. Thus, the fiber reinforcement 6 no longer exposed to unfavorable temperature effect and the profile component 1 strengthen optimally. The fiber reinforcement 6 is also protected from mechanical influences. This is particularly advantageous if it is the hollow body is an element of the chassis, the z. B. Rockfall is exposed. In addition, the surrounding hollow body protects 4 the fiber reinforcement also against chemical influences such. B. road salt.

11
Profilbauteilprofile component
22
Profilelementprofile element
33
Profilelementprofile element
44
Hohlkörperhollow body
55
WerkzeugTool
66
Faserverstärkungfiber reinforcement
77
Faserfiber
88th
Umfangsseiteperipheral side
99
Flüssigkeitliquid
1010
Innenwandinner wall
1111
Fügebereichjoining area
PP
Druckprint
TT
Temperaturtemperature

ZITATE ENTHALTEN IN DER BESCHREIBUNGQUOTES INCLUDE IN THE DESCRIPTION

Diese Liste der vom Anmelder aufgeführten Dokumente wurde automatisiert erzeugt und ist ausschließlich zur besseren Information des Lesers aufgenommen. Die Liste ist nicht Bestandteil der deutschen Patent- bzw. Gebrauchsmusteranmeldung. Das DPMA übernimmt keinerlei Haftung für etwaige Fehler oder Auslassungen.This list The documents listed by the applicant have been automated generated and is solely for better information recorded by the reader. The list is not part of the German Patent or utility model application. The DPMA takes over no liability for any errors or omissions.

Zitierte PatentliteraturCited patent literature

  • - DE 102004003190 A1 [0003] DE 102004003190 A1 [0003]

Claims (17)

Verfahren zur Herstellung eines Profilbauteils (1), insbesondere eines Kraftfahrzeug-, Struktur- oder Fahrwerksbauteils, welches einen Hohlkörper (4) aus Metall aufweist, bei welchem eine Faserverstärkung (6) zumindest bereichsweise mit einer Innenwand (9) des Hohlkörpers (4) verbunden wird, umfassend folgende Schritte: a) Bereitstellen des Profilbauteils (1), b) Einbringen der Faserverstärkung (6) in den Hohlkörper (4), c) Aufweitung der Faserverstärkung (6), so dass die Faserverstärkung (6) an der Innenwand (9) des Hohlkörpers (4) anliegt und d) Verfestigen der aufgeweiteten Faserverstärkung (6).Method for producing a profile component ( 1 ), in particular a motor vehicle, structural or chassis component, which has a hollow body ( 4 ) made of metal, in which a fiber reinforcement ( 6 ) at least in regions with an inner wall ( 9 ) of the hollow body ( 4 ), comprising the following steps: a) providing the profile component ( 1 ), b) introducing the fiber reinforcement ( 6 ) in the hollow body ( 4 ), c) expansion of the fiber reinforcement ( 6 ), so the fiber reinforcement ( 6 ) on the inner wall ( 9 ) of the hollow body ( 4 ) and d) solidifying the expanded fiber reinforcement ( 6 ). Verfahren nach Anspruch 1, dadurch gekennzeichnet, dass die Faserverstärkung (6) auf einem Werkzeug (5) in den Hohlkörper (4) eingebracht wird.Method according to claim 1, characterized in that the fiber reinforcement ( 6 ) on a tool ( 5 ) in the hollow body ( 4 ) is introduced. Verfahren nach Anspruch 2, dadurch gekennzeichnet, dass das Werkzeug (5) expandiert wird.Method according to claim 2, characterized in that the tool ( 5 ) is expanded. Verfahren nach Anspruch 2 oder 3, dadurch gekennzeichnet, dass als Werkzeug (5) ein Ballonkatheter eingesetzt wird.Method according to claim 2 or 3, characterized in that as a tool ( 5 ) a balloon catheter is used. Verfahren nach einem der Ansprüche 2 bis 4, dadurch gekennzeichnet, dass das Werkzeug (5) mit einem Fluid befüllt wird.Method according to one of claims 2 to 4, characterized in that the tool ( 5 ) is filled with a fluid. Verfahren nach Anspruch 5, dadurch gekennzeichnet, dass als Fluid ein Gas eingesetzt wird.Method according to claim 5, characterized in that that a gas is used as the fluid. Verfahren nach Anspruch 5, dadurch gekennzeichnet, dass als Fluid eine Flüssigkeit (8) eingesetzt wird.Method according to claim 5, characterized in that a liquid ( 8th ) is used. Verfahren nach einem der Ansprüche 5 bis 7, dadurch gekennzeichnet, dass das Werkzeug (5) durch Druck (P) auf das Fluid expandiert wird.Method according to one of claims 5 to 7, characterized in that the tool ( 5 ) is expanded by pressure (P) on the fluid. Verfahren nach einem der Ansprüche 5 bis 8, dadurch gekennzeichnet, dass das Fluid auf eine Temperatur (T) erhitzt wird, die zum Aushärten der Faserverstärkung (6) geeignet ist.Method according to one of claims 5 to 8, characterized in that the fluid is heated to a temperature (T), which is used for curing the fiber reinforcement ( 6 ) suitable is. Verfahren nach einem der Ansprüche 1 bis 10, dadurch gekennzeichnet, dass das Werkzeug (5) auf eine Temperatur (T) erhitzt wird, die zum Aushärten der Faserverstärkung (6) geeignet ist.Method according to one of claims 1 to 10, characterized in that the tool ( 5 ) is heated to a temperature (T) which is used to cure the fiber reinforcement ( 6 ) suitable is. Verfahren nach einem der Ansprüche 2 oder 9, dadurch gekennzeichnet, dass die Faserverstärkung (6) formschlüssig mit der Innenwand (9) des Hohlkörpers (4) verbunden wird.Method according to one of claims 2 or 9, characterized in that the fiber reinforcement ( 6 ) in a form-fitting manner with the inner wall ( 9 ) of the hollow body ( 4 ) is connected. Verfahren nach einem der Ansprüche 1 bis 11, dadurch gekennzeichnet, dass als Faserverstärkung (6) ein glasfaserverstärktes Gewebe eingesetzt wird.Method according to one of claims 1 to 11, characterized in that as fiber reinforcement ( 6 ) a glass fiber reinforced tissue is used. Verfahren nach einem der Ansprüche 1 bis 11, dadurch gekennzeichnet, dass als Faserverstärkung (6) ein kohlenstofffaserverstärktes Gewebe eingesetzt wird.Method according to one of claims 1 to 11, characterized in that as fiber reinforcement ( 6 ) a carbon fiber reinforced fabric is used. Profilbauteil, insbesondere eines Kraftfahrzeug-, Struktur- oder Fahrwerksbauteils, welches durch ein Verfahren nach Patentanspruch 1 herstellbar ist, wobei das Profilbauteil (1) einen Hohlkörper (4) aus Metall aufweist, an dessen Innenwand (9) zumindest bereichsweise eine Faserverstärkung (6) angeordnet ist, wobei die Faserverstärkung (6) in einem Fügebereich (10) des Hohlkörpers (4) angeordnet ist.Profile component, in particular a motor vehicle, structural or chassis component, which can be produced by a method according to claim 1, wherein the profile component ( 1 ) a hollow body ( 4 ) made of metal, on whose inner wall ( 9 ) at least partially a fiber reinforcement ( 6 ), the fiber reinforcement ( 6 ) in a joining area ( 10 ) of the hollow body ( 4 ) is arranged. Profilbauteil nach Anspruch 14, dadurch gekennzeichnet, dass die Verbindung zwischen Innenwand (9) und Faserverstärkung (6) formschlüssig und/oder kraftschlüssig ist.Profile component according to claim 14, characterized in that the connection between the inner wall ( 9 ) and fiber reinforcement ( 6 ) is positively and / or non-positively. Profilbauteil nach Anspruch 14 oder 15, dadurch gekennzeichnet, dass die Faserverstärkung (6) ein glasfaserverstärktes Gewebe ist.Profile component according to claim 14 or 15, characterized in that the fiber reinforcement ( 6 ) is a glass fiber reinforced tissue. Profilbauteil nach Anspruch 14 oder 15, dadurch gekennzeichnet, dass die Faserverstärkung (6) ein kohlenstofffaserverstärktes Gewebe ist.Profile component according to claim 14 or 15, characterized in that the fiber reinforcement ( 6 ) is a carbon fiber reinforced fabric.
DE102009015612A 2009-04-02 2009-04-02 Method for manufacturing e.g. motor vehicle component, involves broadening fiber reinforcement, so that fiber reinforcement is fixed on inner wall of hollow container, and reinforcing expanded fiber reinforcement Ceased DE102009015612A1 (en)

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US9574592B2 (en) 2010-11-19 2017-02-21 The Boeing Company Composite sandwich shell edge joint
DE102011050304A1 (en) * 2011-05-12 2012-11-15 Deutsches Zentrum für Luft- und Raumfahrt e.V. Method for producing hybrid components made of fiber-reinforced plastic with integrated metallic mold
DE102011078709A1 (en) * 2011-07-06 2013-01-10 Bayerische Motoren Werke Aktiengesellschaft Method and device for producing a fiber-reinforced plastic component
DE102011054915A1 (en) * 2011-10-28 2013-05-02 Benteler Automobiltechnik Gmbh A method of making a motor vehicle hybrid component and a motor vehicle hybrid component made by the method
DE102014200130A1 (en) * 2014-01-08 2015-07-09 Bayerische Motoren Werke Aktiengesellschaft Method for repairing or reinforcing a hollow profile section of a plastic profile
DE102019102600A1 (en) * 2019-02-01 2020-08-06 Sandvik Materials Technology Deutschland Gmbh Method and device for producing a rod-shaped element

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