FR2763546A1 - Motor vehicle bumper bar - Google Patents
Motor vehicle bumper bar Download PDFInfo
- Publication number
- FR2763546A1 FR2763546A1 FR9804300A FR9804300A FR2763546A1 FR 2763546 A1 FR2763546 A1 FR 2763546A1 FR 9804300 A FR9804300 A FR 9804300A FR 9804300 A FR9804300 A FR 9804300A FR 2763546 A1 FR2763546 A1 FR 2763546A1
- Authority
- FR
- France
- Prior art keywords
- thermoplastic material
- mold
- drapable
- plates
- continuous fibers
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
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
- B29C70/28—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
- B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
- B29C43/02—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor of articles of definite length, i.e. discrete articles
- B29C43/18—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor of articles of definite length, i.e. discrete articles incorporating preformed parts or layers, e.g. compression moulding around inserts or for coating articles
-
- 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
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R19/00—Wheel guards; Radiator guards, e.g. grilles; Obstruction removers; Fittings damping bouncing force in collisions
- B60R19/02—Bumpers, i.e. impact receiving or absorbing members for protecting vehicles or fending off blows from other vehicles or objects
- B60R19/18—Bumpers, i.e. impact receiving or absorbing members for protecting vehicles or fending off blows from other vehicles or objects characterised by the cross-section; Means within the bumper to absorb impact
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2101/00—Use of unspecified macromolecular compounds as moulding material
- B29K2101/12—Thermoplastic materials
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2105/00—Condition, form or state of moulded material or of the material to be shaped
- B29K2105/06—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
- B29K2105/10—Cords, strands or rovings, e.g. oriented cords, strands or rovings
- B29K2105/101—Oriented
-
- 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
- B29L2031/3044—Bumpers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R19/00—Wheel guards; Radiator guards, e.g. grilles; Obstruction removers; Fittings damping bouncing force in collisions
- B60R19/02—Bumpers, i.e. impact receiving or absorbing members for protecting vehicles or fending off blows from other vehicles or objects
- B60R19/18—Bumpers, i.e. impact receiving or absorbing members for protecting vehicles or fending off blows from other vehicles or objects characterised by the cross-section; Means within the bumper to absorb impact
- B60R2019/1806—Structural beams therefor, e.g. shock-absorbing
- B60R2019/1833—Structural beams therefor, e.g. shock-absorbing made of plastic material
- B60R2019/1853—Structural beams therefor, e.g. shock-absorbing made of plastic material of reinforced plastic material
Abstract
Description
La présente invention concerne une poutre de pare-chocs, et son procédé de réalisation. The present invention relates to a bumper beam, and its production method.
On sait que certains types de pare-chocs de véhicules automobiles comprennent un bouclier ou peau extérieure, une poutre qui assure la tenue mécanique du pare-chocs et éventuellement des absorbeurs locaux intercalés entre la poutre et les longerons du véhicule pour absorber l'énergie d'un choc. It is known that certain types of bumpers for motor vehicles include a shield or outer skin, a beam which provides the mechanical strength of the bumper and possibly local absorbers interposed between the beam and the side members of the vehicle to absorb the energy d 'a shock.
Tant la poutre que les absorbeurs locaux sont connus pour être relativement coûteux à réaliser, ce qui pose un problème en cas de réparation d'un véhicule accidenté. Both the beam and the local absorbers are known to be relatively expensive to produce, which poses a problem in the event of repair of an accident vehicle.
La présente invention vise à résoudre ces inconvénients en proposant une poutre de pare-chocs d'un type nouveau. The present invention aims to solve these drawbacks by proposing a bumper beam of a new type.
La présente invention a pour objet une poutre de pare-chocs obtenue par moulage d'une matière thermoplastique moulable et d'une matière thermoplastique drapable à fibres continues. The present invention relates to a bumper beam obtained by molding a moldable thermoplastic material and a drapable thermoplastic material with continuous fibers.
Cette poutre se caractérise par le fait qu'elle présente, en section transversale, une longueur développée constante. This beam is characterized by the fact that it has, in cross section, a constant developed length.
Cette caractéristique permet d'utiliser une plaque rectangulaire de matière thermoplastique à fibres continues pour mouler la poutre, la largeur de la plaque correspondant à la longueur développée de la section transversale de la poutre. This characteristic makes it possible to use a rectangular plate of thermoplastic material with continuous fibers for molding the beam, the width of the plate corresponding to the developed length of the cross section of the beam.
Dans la présente description, on entend par moulable l'aptitude qu'a la matière thermoplastique à fluer dans un moule en remplissant toutes ses cavités, quelle que soit leur profondeur, et l'on entend par matière thermoplastique drapable une matière thermoplastique se présentant sous forme de nappe textile préconsolidée ou non qui, lors d'un moulage, peut seulement se déformer mais conserve sensiblement son épaisseur initiale. In the present description, the term “mouldable” means the ability of the thermoplastic material to creep into a mold by filling all of its cavities, whatever their depth, and the term “drapable thermoplastic material” means a thermoplastic material having shape of a pre-consolidated textile sheet or not which, during molding, can only deform but substantially retains its initial thickness.
Comme matière thermoplastique drapable à fibres continues, on peut utiliser des préimprégnés thermoplastiques de type "Twintex" de la société Vetrotex ou "Tepex" de la société Du Pont de Nemours. As a drapable thermoplastic material with continuous fibers, it is possible to use thermoplastic prepregs of the "Twintex" type from the company Vetrotex or "Tepex" from the company Du Pont de Nemours.
Dans un mode de réalisation particulier, la poutre comporte des surépaisseurs de matière thermoplastique à fibres continues. In a particular embodiment, the beam comprises extra thicknesses of thermoplastic material with continuous fibers.
La présente invention a également pour objet un procédé pour réaliser une poutre telle que décrite ci-dessus. The present invention also relates to a method for producing a beam as described above.
Ce procédé se caractérise par le fait qu'il consiste à définir un moule de telle sorte que la section transversale de son empreinte présente une longueur développée sensiblement constante, à placer une plaque rectangulaire d'une matière thermoplastique drapable à fibres continues dans le moule ouvert et à apporter de la matière thermoplastique moulable dans le moule pour mouler la poutre. This process is characterized by the fact that it consists in defining a mold so that the cross section of its imprint has a substantially constant developed length, in placing a rectangular plate of a drapable thermoplastic material with continuous fibers in the open mold and supplying moldable thermoplastic material into the mold for molding the beam.
Dans une variante préférée de ce mode de réalisation, on utilise un moule à plan de joint positif et l'on apporte la matière thermoplastique moulable dans le moule ouvert, puis on ferme le moule pour comprimer les deux matières thermoplastiques et provoquer le remplissage de l'empreinte du moule. In a preferred variant of this embodiment, a mold with a positive joint plane is used and the moldable thermoplastic material is brought into the open mold, then the mold is closed to compress the two thermoplastic materials and cause the filling of the mold. mold imprint.
Dans un mode de mise en oeuvre particulier de cette variante, on emprisonne des plaquettes de matière thermoplastique à fibres continues entre deux plaques rectangulaires de matière thermoplastique drapable, aux endroits de l'empreinte correspondant à des surépaisseurs de la poutre, et l'on dépose la matière thermoplastique à fort coefficient de fluage d'un côté de l'une des plaques rectangulaires opposé aux plaquettes, avant de refermer le moule. In a particular embodiment of this variant, traps of thermoplastic material with continuous fibers are trapped between two rectangular plates of drapable thermoplastic material, at the places of the imprint corresponding to extra thicknesses of the beam, and they are deposited the thermoplastic material with a high creep coefficient on one side of one of the rectangular plates opposite the plates, before closing the mold.
Ainsi, on évite le déplacement des plaquettes dans le moule lors du fluage de la matière thermoplastique moulable. Thus, the displacement of the plates in the mold during the creep of the moldable thermoplastic material is avoided.
Dans le but de mieux faire comprendre l'invention, on va en décrire maintenant un mode de réalisation donné à titre d'exemple non limitatif, en référence au dessin annexé dans lequel
- la figure 1 est une vue en perspective d'une extrémité de pare-chocs en vue partiellement éclatée,
- la figure 2 est une vue analogue à la figure 1, l'absorbeur local étant représenté en vue éclatée,
- la figure 3 est une vue en section transversale de la poutre,
- la figure 4 représente le positionnement des plaques et plaquettes de matériau en fibres continues dans le moule lors de la réalisation de la poutre.In order to better understand the invention, we will now describe an embodiment given by way of non-limiting example, with reference to the accompanying drawing in which
FIG. 1 is a perspective view of one end of the bumper in partially exploded view,
FIG. 2 is a view similar to FIG. 1, the local absorber being shown in exploded view,
FIG. 3 is a cross-sectional view of the beam,
- Figure 4 shows the positioning of the plates and plates of continuous fiber material in the mold during the production of the beam.
Dans un mode de réalisation représenté à la figure 1, le pare-chocs 1 comporte un bouclier 2, une poutre 3 et deux absorbeurs locaux 4 dont un seul est visible sur les figures. In one embodiment shown in FIG. 1, the bumper 1 comprises a shield 2, a beam 3 and two local absorbers 4, only one of which is visible in the figures.
Chaque absorbeur 4 est monté à l'extrémité d'un longeron 5 du véhicule. Each absorber 4 is mounted at the end of a side member 5 of the vehicle.
Comme on le voit mieux sur la vue éclatée de la figure 2, chaque absorbeur 4 comporte un élément absorbant 6 à haut rendement, constitué par exemple par du polycarbonate extrudé en nid d'abeille se présentant sous la forme d'un tronc de pyramide à section rectangulaire. As best seen in the exploded view of FIG. 2, each absorber 4 comprises an absorbent element 6 with high efficiency, constituted for example by extruded honeycomb polycarbonate appearing in the form of a truncated pyramid with rectangular section.
L'absorbeur de chocs comporte également un organe élastique constitué par deux pièces en U 7 dont les extrémités sont distantes d'une longueur sensiblement égale à celle de l'élément absorbant. The shock absorber also comprises an elastic member constituted by two U-shaped parts 7, the ends of which are distant by a length substantially equal to that of the absorbent element.
Chaque pièce en U présente une hauteur relativement importante, correspondant sensiblement à celle du longeron, de manière à présenter une bonne rigidité dans la direction verticale. Each U-shaped part has a relatively large height, corresponding substantially to that of the beam, so as to have good rigidity in the vertical direction.
L'extrémité du longeron 5 est munie d'une plaque-support 8 soudée comportant quatre trous de fixation répartis à ses quatre coins. The end of the spar 5 is provided with a welded support plate 8 comprising four fixing holes distributed at its four corners.
Chaque pièce en U 7 est vissée par son extrémité arrière (c'est-à-dire du côté du longeron) le long d'un bord vertical de la plaque-support de sorte que les deux pièces en U sont disposées de manière symétrique en regard l'une de l'autre. Each U-shaped part 7 is screwed by its rear end (that is to say on the side of the spar) along a vertical edge of the support plate so that the two U-shaped parts are arranged symmetrically in look at each other.
L'élément absorbant 6 est logé entre les deux pièces en U 7 en étant maintenu contre la plaque support du longeron, par exemple par collage. The absorbent element 6 is housed between the two U-shaped parts 7 while being held against the support plate of the beam, for example by gluing.
Un ensemble de réglage 9, connu en soi, est vissé sur l'extrémité avant des pièces en U 7. Cet ensemble de réglage permet, de manière connue, le réglage vertical de la poutre par rapport à l'absorbeur de chocs. An adjustment assembly 9, known per se, is screwed onto the front end of the U-shaped parts 7. This adjustment assembly allows, in known manner, the vertical adjustment of the beam relative to the shock absorber.
La poutre 3 et le bouclier 2 sont fixés à cet ensemble de réglage et sont donc supportés indirectement par les deux pièces en U 7 formant l'organe élastique dont la rigidité, dans le sens vertical, est assurée par sa grande dimension verticale. The beam 3 and the shield 2 are fixed to this adjustment assembly and are therefore indirectly supported by the two U-shaped parts 7 forming the elastic member whose rigidity, in the vertical direction, is ensured by its large vertical dimension.
En cas de choc, l'énergie générée est transmise à l'organe élastique 7 et à l'élément absorbant 6 par l'ensemble de réglage 9. In the event of an impact, the energy generated is transmitted to the elastic member 7 and to the absorbent element 6 by the adjustment assembly 9.
Si le choc est important, l'élément absorbant 6 se déforme plastiquement en absorbant la majeure partie de l'énergie du choc. Il réduit ainsi sa longueur. If the shock is significant, the absorbent element 6 is plastically deformed by absorbing most of the energy of the shock. It thus reduces its length.
Néanmoins, après le choc, les deux pièces en U 7 reprennent leur forme initiale et la poutre 3 et le bouclier 2 retrouvent leur position de départ. However, after the impact, the two U-shaped parts 7 resume their initial shape and the beam 3 and the shield 2 return to their starting position.
Le pare-chocs 1 peut donc subir des chocs importants et retrouver sa position initiale par rapport à la carrosserie du véhicule. The bumper 1 can therefore suffer significant shocks and return to its initial position relative to the vehicle body.
A la longue, la longueur de l'élément absorbant 6 réduit de plus en plus, mais son remplacement par un élément absorbant 9 neuf ne pose aucune difficulté. In the long run, the length of the absorbent element 6 decreases more and more, but its replacement by a new absorbent element 9 does not pose any difficulty.
Sur la figure 3, on voit une section transversale de la poutre 3. In FIG. 3, we can see a cross section of the beam 3.
La longueur développée k de cette section est constante, quel que soit le plan de coupe considéré. The developed length k of this section is constant, whatever the cutting plane considered.
La poutre présente des surépaisseurs locales 10 qui sont obtenues par empilement de plaquettes 11 de matière thermoplastique drapable à fibres continues, judicieusement positionnées dans le moule 12, 13. The beam has local extra thicknesses 10 which are obtained by stacking plates 11 of drapable thermoplastic material with continuous fibers, judiciously positioned in the mold 12, 13.
On voit, sur la figure 4, l'emplacement des plaquettes 11 dans le moule avant apport de la matière thermoplastique moulable 15 et fermeture du moule. FIG. 4 shows the location of the plates 11 in the mold before the moldable thermoplastic material 15 is added and the mold is closed.
Les plaquettes 11 sont emprisonnées entre deux plaques rectangulaires 14 de matière thermoplastique drapable, qui comprennent de préférence des fibres continues, de manière que, lors de la fermeture du moule, le fluage de la matière thermoplastique 15 n'entraîne pas le déplacement des plaquettes 11 en des endroits inappropriés du moule. The plates 11 are trapped between two rectangular plates 14 of drapable thermoplastic material, which preferably comprise continuous fibers, so that, when the mold is closed, the creep of the thermoplastic material 15 does not cause the displacement of the plates 11 in inappropriate places on the mold.
Une fois le moulage réalisé, on obtient les surépaisseurs 10 visibles sur la figure 3. Once the molding has been carried out, the extra thicknesses 10 visible in FIG. 3 are obtained.
I1 est bien entendu que les modes de réalisation et de mise en oeuvre qui viennent d'être décrits ne présentent aucun caractère limitatif et qu'ils pourront recevoir toutes modifications désirables sans sortir pour cela du cadre de l'invention. I1 is understood that the embodiments and implementation which have just been described have no limiting character and that they can receive any desirable modifications without departing from the scope of the invention.
Claims (5)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR9804300A FR2763546B1 (en) | 1998-04-07 | 1998-04-07 | BUMPER BEAM AND ITS MANUFACTURING METHOD |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR9804300A FR2763546B1 (en) | 1998-04-07 | 1998-04-07 | BUMPER BEAM AND ITS MANUFACTURING METHOD |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2763546A1 true FR2763546A1 (en) | 1998-11-27 |
| FR2763546B1 FR2763546B1 (en) | 1999-08-27 |
Family
ID=9524938
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR9804300A Expired - Fee Related FR2763546B1 (en) | 1998-04-07 | 1998-04-07 | BUMPER BEAM AND ITS MANUFACTURING METHOD |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR2763546B1 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1504966A1 (en) | 2003-08-06 | 2005-02-09 | Adlev S.r.l. | Bumper assembly for a vehicle |
| WO2011085792A1 (en) * | 2009-12-21 | 2011-07-21 | Rehau Ag + Co | Method for producing continuous-fibre-reinforced moulded parts from thermoplastic plastics and motor vehicle moulded part |
| NL2010212C2 (en) * | 2013-01-31 | 2014-08-04 | Voestalpine Polynorm Plastics B V | Method and resulting product of thermoplastic material and comprising a reinforcement. |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4749613A (en) * | 1985-12-26 | 1988-06-07 | Nippon Sheet Glass Co., Ltd. | Composite fiber reinforced thermoplastic resin stampable sheet and bumper beam formed thereof |
| JPH04201753A (en) * | 1990-11-30 | 1992-07-22 | Nippon G Ii Plast Kk | Bumper beam |
| JPH04208417A (en) * | 1990-11-30 | 1992-07-30 | Nippon Steel Corp | Fiber reinforced thermoplastic resin formed article and forming method thereof |
| FR2749535A1 (en) * | 1996-06-07 | 1997-12-12 | Manducher Sa | Composite thermoplastic part for automobiles incorporating glass fibre strands |
-
1998
- 1998-04-07 FR FR9804300A patent/FR2763546B1/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4749613A (en) * | 1985-12-26 | 1988-06-07 | Nippon Sheet Glass Co., Ltd. | Composite fiber reinforced thermoplastic resin stampable sheet and bumper beam formed thereof |
| JPH04201753A (en) * | 1990-11-30 | 1992-07-22 | Nippon G Ii Plast Kk | Bumper beam |
| JPH04208417A (en) * | 1990-11-30 | 1992-07-30 | Nippon Steel Corp | Fiber reinforced thermoplastic resin formed article and forming method thereof |
| FR2749535A1 (en) * | 1996-06-07 | 1997-12-12 | Manducher Sa | Composite thermoplastic part for automobiles incorporating glass fibre strands |
Non-Patent Citations (3)
| Title |
|---|
| "PLASTIQUES ET MATERIAUX MOUVEAUX EN AUTOMOBILE: ALLIER ECONOMIE ET SOLUTIONS ORIGINALES", INGENIEURS DE L'AUTOMOBILE, no. 711, March 1997 (1997-03-01), pages 24 - 30, XP000687638 * |
| PATENT ABSTRACTS OF JAPAN vol. 016, no. 538 (M - 1335) 9 November 1992 (1992-11-09) * |
| PATENT ABSTRACTS OF JAPAN vol. 016, no. 549 (M - 1338) 18 November 1992 (1992-11-18) * |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1504966A1 (en) | 2003-08-06 | 2005-02-09 | Adlev S.r.l. | Bumper assembly for a vehicle |
| US7093866B2 (en) | 2003-08-06 | 2006-08-22 | Adlev S.R.L. | Bumper assembly for a vehicle and corresponding vehicle comprising said bumper assembly |
| WO2011085792A1 (en) * | 2009-12-21 | 2011-07-21 | Rehau Ag + Co | Method for producing continuous-fibre-reinforced moulded parts from thermoplastic plastics and motor vehicle moulded part |
| NL2010212C2 (en) * | 2013-01-31 | 2014-08-04 | Voestalpine Polynorm Plastics B V | Method and resulting product of thermoplastic material and comprising a reinforcement. |
| WO2014120011A1 (en) | 2013-01-31 | 2014-08-07 | Voestalpine Polynorm Plastics B.V. | Method and resulting product of thermoplastic material comprising a fibre reinforcement |
Also Published As
| Publication number | Publication date |
|---|---|
| FR2763546B1 (en) | 1999-08-27 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |
Effective date: 20110131 |