EP1490208A1 - Procede de fabrication de mats impregnes de resine a renfort textile ou par non-tisses et composants produits a partir de ces mats impregnes de resine - Google Patents

Procede de fabrication de mats impregnes de resine a renfort textile ou par non-tisses et composants produits a partir de ces mats impregnes de resine

Info

Publication number
EP1490208A1
EP1490208A1 EP03718694A EP03718694A EP1490208A1 EP 1490208 A1 EP1490208 A1 EP 1490208A1 EP 03718694 A EP03718694 A EP 03718694A EP 03718694 A EP03718694 A EP 03718694A EP 1490208 A1 EP1490208 A1 EP 1490208A1
Authority
EP
European Patent Office
Prior art keywords
fibers
resin
component
resin mat
textile structure
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Withdrawn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
EP03718694A
Other languages
German (de)
English (en)
Inventor
Karlheinz HÖRSTING
Rudolf Kühfusz
Gerhard Steger
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.)
Polytec Composites Germany GmbH and Co KG
Original Assignee
Menzolit Fibron 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
Priority claimed from DE10309806A external-priority patent/DE10309806A1/de
Application filed by Menzolit Fibron GmbH filed Critical Menzolit Fibron GmbH
Publication of EP1490208A1 publication Critical patent/EP1490208A1/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
    • B32B5/22—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed
    • B32B5/24—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed one layer being a fibrous or filamentary layer
    • B32B5/28—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed one layer being a fibrous or filamentary layer impregnated with or embedded in a plastic substance
    • 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
    • B29C70/083—Combinations of continuous fibres or fibrous profiled structures oriented in one direction and reinforcements forming a two dimensional structure, e.g. mats
    • 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
    • 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
    • B29C70/50—Shaping or impregnating by compression not applied for producing articles of indefinite length, e.g. prepregs, sheet moulding compounds [SMC] or cross moulding compounds [XMC]
    • B29C70/502—Shaping or impregnating by compression not applied for producing articles of indefinite length, e.g. prepregs, sheet moulding compounds [SMC] or cross moulding compounds [XMC] by first forming a mat composed of short fibres
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
    • B32B5/02—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by structural features of a fibrous or filamentary layer
    • B32B5/08—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by structural features of a fibrous or filamentary layer the fibres or filaments of a layer being of different substances, e.g. conjugate fibres, mixture of different fibres
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T442/00—Fabric [woven, knitted, or nonwoven textile or cloth, etc.]
    • Y10T442/20—Coated or impregnated woven, knit, or nonwoven fabric which is not [a] associated with another preformed layer or fiber layer or, [b] with respect to woven and knit, characterized, respectively, by a particular or differential weave or knit, wherein the coating or impregnation is neither a foamed material nor a free metal or alloy layer
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T442/00—Fabric [woven, knitted, or nonwoven textile or cloth, etc.]
    • Y10T442/20—Coated or impregnated woven, knit, or nonwoven fabric which is not [a] associated with another preformed layer or fiber layer or, [b] with respect to woven and knit, characterized, respectively, by a particular or differential weave or knit, wherein the coating or impregnation is neither a foamed material nor a free metal or alloy layer
    • Y10T442/2926—Coated or impregnated inorganic fiber fabric
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T442/00—Fabric [woven, knitted, or nonwoven textile or cloth, etc.]
    • Y10T442/60—Nonwoven fabric [i.e., nonwoven strand or fiber material]

Definitions

  • the invention relates to a method for producing resin mats from fiber-reinforced plastics, sheet molding compounds (SMCs), and components from these resin mats.
  • DE 199 49 318 A1 discloses a method for producing components from superimposed resin mats made of fiber-reinforced plastics, SMCs.
  • the resin mats with unidirectional fiber orientation are initially wound as rolls into semi-finished products.
  • individual strips of different lengths and with different cutting directions to the fiber course are separated from a semifinished product roll or from several semifinished product rolls to build up a layer of the component.
  • the strips are placed next to each other in a specific fiber orientation.
  • a laminated preform with different orientations of the individual layers with respect to the expected load is formed by superimposing the differently long strip sections and then inserted into a tool and shaped into a component by extrusion.
  • a laminate is very complex, because multiple layers with corresponding fiber orientations are required for optimal component design. Depending on the stress and size of a component, more than five individual layers may be required for an optimal component design. Larger body parts of a car, such as doors or engine and trunk lids, for example, can then consist of more than one hundred and fifty individual strips, which means that a great deal of time is required when storing them.
  • the object of the invention is to present a simplified production of resin mats from fiber-reinforced plastics, which are suitable for multidirectional loads, and to simplify the production of large-area components from resin mats.
  • the problem is solved with the aid of fiber-reinforced plastics in the form of resin mats, SMCs, with a scrim reinforcement which comprises at least one layer of intersecting fibers in a pattern which resembles a textile structure, the orientation of the fibers, the fiber orientation, on the Load is matched. Additional layers of fibers of a different orientation are usually added.
  • the components can be produced automatically by cutting the mats on computer-controlled cutting machines and storing the cuts by computer-controlled handling devices in the press. With the help of appropriate computer programs, the path of each individual cut from the roll to its position in the component can be tracked, which makes it possible to control the production seamlessly and to determine the cause in the event of errors in the manufacture of a component or in the event of defects occurring later.
  • the reinforcement consists of unidirectional fibers aligned in the longitudinal direction of the mat and optionally also short fibers in a tangled position.
  • the blanks for each loading direction must therefore be laid down with an orientation of the fibers corresponding to the loading in the component.
  • the fibers, which represent the essential element of the reinforcement are already arranged in such a way that they run in a direction in which the forces acting on the component act.
  • the mats according to the invention are produced in principle in the same way as with conventional mats.
  • the fibers which are initially introduced into the textile structure as, so to speak, endless fibers, are laid down in such a way that the fibers cross in the textile structure at a predetermined angle.
  • the fiber course is essentially adapted to the expected course of the load. In the case of shear stresses, for example, a crossing angle of the fibers of 45 degrees is advantageous.
  • Fibers in a different orientation, preferably in Longitudinal direction of the webs are usually added and form the scrim reinforcement.
  • the fibers lying one above the other, both the unidirectionally oriented fibers, fibers running in the longitudinal direction of the mat, and the crossing fibers can be connected to one another at their crossing points by means of processes which are matched to their respective material, for example by gluing, welding or sewing.
  • the fiber-reinforced plastic mass between two carrier films first passes through a flex zone for impregnating the reinforcing fibers. The material is then cut into strips, wound on rolls and transported to a maturing warehouse as a semi-finished product. After the orderly thickening of the semi-finished product is achieved, the quasi-infinite fibers, threads, are cut into finitely long fibers in order to make the mats suitable for extrusion.
  • the required number of blanks is considerably reduced by the resin mat according to the invention, because the blanks can already be cut from the web pulled off a roll in the dimensions of the component.
  • the number of blanks to be placed on top of one another for the design of the component to the expected load directions is significantly reduced.
  • the blanks can be created automatically by computer-controlled cutting machines and these blanks can be handled by automatic handling devices, by robots. Due to the significantly smaller number of blanks, the problem of styrene evaporation when using unsaturated polyester resins is no longer acute.
  • FIG. 1 shows the production of a resin mat according to the invention
  • Figure 2 shows a longitudinal section through a resin mat according to the invention and Figure 3 shows the production of a component from blanks of this resin mat.
  • FIG. 1 shows a schematic representation of the production of a resin mat by the inventive method.
  • a fabric reinforcement 2 of the mat to be formed is drawn off from a roll 1 in the direction of the arrow 3.
  • this scrim reinforcement 2 consists of three layers, a scrim of fibers, as can be seen from the structure of the mat shown in FIG.
  • the layer of fibers 4 forming a rhombic pattern, which resembles a textile structure in which the fibers are already aligned with the expected load, forms the soul of the mat.
  • the reinforcement 2 is pulled onto a table 8 via a deflection 7.
  • a carrier film 10 is pulled off a roll 9 and brought to the reinforcement 2 from below via a deflection 11.
  • a conventional resin-filler mixture 15 for example a thermoset system based on an unsaturated polyester resin, is applied to the carrier film 10 by means of a doctor blade 13 and pressed into the reinforcement 2.
  • a layer of tangled fibers 16 is additionally applied, for which purpose threads 18 brought in in the feed direction 17 are cut into short fiber pieces in a cutter 19 and sprinkled in a confused orientation as layer 16 onto the resin-filler mixture 15.
  • This manufacturing step depends on the application, so it is possible but not necessary.
  • the cover film 21 is now pulled off a roll 20 and coated with thermosets 22 (FIG. 2), which are fed through the tube 23 to the doctor blade 24.
  • the cover film 21 prepared in this way is pressed onto the resin mat 26 by means of a roller 25.
  • the resin mat 26 according to the invention After passing through the Waikzones 27 to impregnate the reinforcement 2, symbolized by rolling, the resin mat 26 according to the invention becomes a semi-finished product in their entire width wound on a roll 28, as indicated by the arrow 29.
  • the resin mat can also be cut into smaller strips beforehand and the individual strips can each be wound on a roll.
  • the fully wound rolls are transported to a maturing warehouse.
  • the "quasi-infinite" fibers, threads are cut into pieces in the resin mats according to the invention, as in the conventional resin mats, in order to make the resin mats suitable for the extrusion process.
  • FIG. 2 a longitudinal section, ie a section running in the winding direction 29, is shown on an enlarged scale through a resin mat 26 according to the invention.
  • the position of the tangled fibers 16 is missing.
  • On the carrier film 10 there are parallel fibers 6 arranged in the longitudinal direction.
  • Another layer of fibers 5 is located above the intersecting fibers 4o and 4u, also parallel and in the longitudinal direction, that is to say winding direction 29.
  • the fibers 5 and 6 as well as the diagonally crossing fibers 4o and 4u are made from carbon fibers in the present exemplary embodiment and together form the scrim reinforcement 2.
  • the fibers of the scrim reinforcement 2 are embedded in a resin-filler mixture 15.
  • the resin mat 26 is covered by the cover film 21, which is coated with a thermoset 22 on its underside. As can be seen from FIG. 2 at the separation points 34, in particular of the fibers 5 and 6, the fibers have been cut into sections of approximately the same length in order to prepare the resin mat 26 for the extrusion process.
  • FIG. 3 the method according to the invention for producing a component from the resin mats according to the invention is explained on the basis of a schematic illustration.
  • the resin mats are drawn off from three rollers 35, 36 and 37 as webs 38, 39 and 40 in the direction of arrows 41, 42 and 43, respectively.
  • the resin mats are brought together and placed one on top of the other on a table 44.
  • the foils are removed from the mats beforehand. So that the resin mats do not stick to the table, it can be coated with a material or covered with a film.
  • the carrier film 45 is pulled off the web 38 and wound onto a roll 46, as indicated by the arrow 47. Both the cover film 48 and the carrier film 49 are pulled off the web 39.
  • cover film 48 is wound up together with the carrier film 45 on a roll 46
  • carrier film 49 is wound up together with the cover film 50 of the web 40 on a roll 51, as indicated by the arrow 52.
  • the carrier film 53 of the web 40 is wound on its own roll 54, as indicated by the arrow 55.
  • the three resin mat sheets 38, 39 and 40 lie one above the other on the table 44.
  • Each of these mats has a reinforcement with a textile structure, the patterns of these structures, as not shown here, can be different and can be selected accordingly for the intended load case.
  • the blanks 58 are cut out on the table 44 by means of a cutting device 57 controlled by a computer 56, in accordance with the raw contour of the component to be produced. Additional draping cuts can be provided for cuts with a high degree of deformation.
  • the cutting device 57 can be coupled to a CAD system, from which it receives the construction data of the components, which it then converts into a corresponding cutting pattern.
  • the computer control enables a high degree of flexibility in the implementation of cutting contours, since the dimensional specifications can be converted directly into a cutting command.
  • the guiding of the cutting knife can also be based on following a stored contour.
  • the use of templates is no longer necessary. Instead of placing several sheets of resin mats on top of one another on a cutting table and then cutting out a blank, a cutting device can also be provided on each individual sheet.
  • the blanks 58 are placed in a press to produce a component. In the present exemplary embodiment, this is done with a handling device 59 controlled via the computer 56. Whenever that for a component required number of blanks 58 is reached, the handling device 59 can automatically take action.
  • a blank 58 is gripped by means of a gripper 60, for example a suction or needle gripper, here consisting of three layers of resin mats.
  • a suction gripper 60 for example, can suck onto the still existing cover film of the top web 38, lift the blank 58, pivot it in the direction of rotation 61 towards the press 62 and place it there on the male part 63 of the press mold. After storage in the press, the cover film must be removed from the blank, which has not been shown in FIG. 3.
  • the cover film on the top web can be removed from the roll when it is unrolled.
  • the longer a film covers the blank the less the danger of the blank drying out and the less the evaporation of styrene when using unsaturated polyester resins.
  • the press 62 can be closed by lowering the indicated die 64 in the direction of arrow 65 onto the die 63 and carrying out the known extrusion process for shaping the workpiece. After the workpiece has been shaped, it can also be removed from the press 62 by the handling device 59, which is not shown here.
  • the production of components from the resin mats according to the invention made of fiber-reinforced plastic requires significantly fewer manufacturing steps than according to the conventional methods.
  • the computer-controlled cutting of the resin mats ensures a high degree of dimensional accuracy and reproducibility of the contours. If the characteristic data of the resin mats of the individual rolls as well as the characteristic data of the respective cutting device, handling device and press are entered into the computer, a production report of each workpiece can be created with the data day and time, on the basis of which the composition of the workpiece can be precisely determined can be documented.
  • This protocol can, for example, be encoded in a code, for example in a bar code, assigned to the component and, if appropriate, attached to it. In the event of a production error or in the event of damage, the cause can easily be determined on the basis of this data.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Composite Materials (AREA)
  • Mechanical Engineering (AREA)
  • Reinforced Plastic Materials (AREA)
  • Moulding By Coating Moulds (AREA)
  • Casting Or Compression Moulding Of Plastics Or The Like (AREA)

Abstract

Selon des procédés connus de fabrication de composants à partir de mats imprégnés de résine à base de matières plastiques renforcées par des fibres, mélanges à mouler en feuilles (SMC), des bandes individuelles de longueurs différentes sont découpées d'un ou de plusieurs rouleaux de semi-produits pour la constitution d'une couche d'un composant. Ces bandes sont juxtaposées en fonction de la forme et de la dimension dudit composant. Enfin, une préforme stratifiée dont les couches individuelles présentent des orientations différentes en fonction de la charge attendue est formée par la superposition des sections de bande de longueurs différentes. Cette préforme est ensuite insérée dans une presse puis extrudée pour former un composant. L'objectif de la présente invention est de simplifier la fabrication de composants à partir de SMC et d'éviter d'importantes émanations de styrène lors de l'utilisation de résines polyester insaturées. A cet effet, le renfort par non-tissés des mats imprégnés de résine est formé à partir d'au moins une couche de fibres entrelacées, qui peut être une structure textile, l'orientation de ces fibres étant adaptée à la charge par l'intermédiaire des forces appliquées sur le composant.
EP03718694A 2002-03-21 2003-03-17 Procede de fabrication de mats impregnes de resine a renfort textile ou par non-tisses et composants produits a partir de ces mats impregnes de resine Withdrawn EP1490208A1 (fr)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
DE10212414 2002-03-21
DE10212414 2002-03-21
DE10309806A DE10309806A1 (de) 2002-03-21 2003-03-05 Verfahren zur Herstellung von Harzmatten mit fließfähiger Gelege- oder Textilverstärkung sowie von Bauteilen aus diesen Harzmatten
DE10309806 2003-03-05
PCT/EP2003/002774 WO2003080319A1 (fr) 2002-03-21 2003-03-17 Procede de fabrication de mats impregnes de resine a renfort textile ou par non-tisses et composants produits a partir de ces mats impregnes de resine

Publications (1)

Publication Number Publication Date
EP1490208A1 true EP1490208A1 (fr) 2004-12-29

Family

ID=28455520

Family Applications (1)

Application Number Title Priority Date Filing Date
EP03718694A Withdrawn EP1490208A1 (fr) 2002-03-21 2003-03-17 Procede de fabrication de mats impregnes de resine a renfort textile ou par non-tisses et composants produits a partir de ces mats impregnes de resine

Country Status (9)

Country Link
US (1) US20050186868A1 (fr)
EP (1) EP1490208A1 (fr)
JP (1) JP2005527659A (fr)
AU (1) AU2003222769A1 (fr)
CA (1) CA2479815A1 (fr)
IL (1) IL164075A0 (fr)
NO (1) NO20044320L (fr)
PL (1) PL372213A1 (fr)
WO (1) WO2003080319A1 (fr)

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Publication number Priority date Publication date Assignee Title
DE102005034400B4 (de) * 2005-07-22 2010-09-23 Airbus Deutschland Gmbh Vorrichtung zur Herstellung eines Faservorformlings mit einer nahezu beliebigen Oberflächengeometrie im TFP-Verfahren
DE102010023670A1 (de) 2010-06-12 2011-12-15 Daimler Ag Anlage und Verfahren zur Herstellung von faserverstärkten Kunststoff-Harzmatten
JP7023237B2 (ja) 2016-03-04 2022-02-21 コベストロ、ドイチュラント、アクチエンゲゼルシャフト 繊維複合構成部品の製造方法
DE112017001076B4 (de) 2016-03-30 2024-01-25 Kurimoto, Ltd. Faserverstärkter Harzhohlkörper
CN115416133B (zh) * 2022-09-13 2023-11-03 河南工程学院 利用异形钢纤维的水泥基材料3d打印装置及打印方法

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DE19949318A1 (de) * 1999-09-11 2001-03-15 Menzolit Fibron Gmbh Kohlenstoffaserverstärktes SMC für multiaxial verstärkte Bauteile
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Also Published As

Publication number Publication date
IL164075A0 (en) 2005-12-18
WO2003080319A1 (fr) 2003-10-02
PL372213A1 (en) 2005-07-11
CA2479815A1 (fr) 2003-10-02
AU2003222769A1 (en) 2003-10-08
US20050186868A1 (en) 2005-08-25
NO20044320L (no) 2004-10-12
JP2005527659A (ja) 2005-09-15

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