FR2796913A1 - Structural element for a car's body comprises metallic armature made of streamlined body associated with plastic backing and metallic cover - Google Patents

Structural element for a car's body comprises metallic armature made of streamlined body associated with plastic backing and metallic cover Download PDF

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Publication number
FR2796913A1
FR2796913A1 FR9909808A FR9909808A FR2796913A1 FR 2796913 A1 FR2796913 A1 FR 2796913A1 FR 9909808 A FR9909808 A FR 9909808A FR 9909808 A FR9909808 A FR 9909808A FR 2796913 A1 FR2796913 A1 FR 2796913A1
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FR
France
Prior art keywords
reinforcement
cover
element according
reinforcing ribs
anchoring
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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
Application number
FR9909808A
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French (fr)
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FR2796913B1 (en
Inventor
Eric Pinard
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.)
ECIA Equipements et Composants pour lIndustrie Automobile SA
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ECIA Equipements et Composants pour lIndustrie Automobile SA
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Publication date
Application filed by ECIA Equipements et Composants pour lIndustrie Automobile SA filed Critical ECIA Equipements et Composants pour lIndustrie Automobile SA
Priority to FR9909808A priority Critical patent/FR2796913B1/en
Publication of FR2796913A1 publication Critical patent/FR2796913A1/en
Application granted granted Critical
Publication of FR2796913B1 publication Critical patent/FR2796913B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62D—MOTOR VEHICLES; TRAILERS
    • B62D29/00—Superstructures, understructures, or sub-units thereof, characterised by the material thereof
    • B62D29/001—Superstructures, understructures, or sub-units thereof, characterised by the material thereof characterised by combining metal and synthetic material
    • B62D29/004—Superstructures, understructures, or sub-units thereof, characterised by the material thereof characterised by combining metal and synthetic material the metal being over-moulded by the synthetic material, e.g. in a mould
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62D—MOTOR VEHICLES; TRAILERS
    • B62D25/00—Superstructure or monocoque structure sub-units; Parts or details thereof not otherwise provided for
    • B62D25/08—Front or rear portions
    • B62D25/082—Engine compartments
    • B62D25/084—Radiator supports
    • 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
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/0081—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor of objects with parts connected by a thin section, e.g. hinge, tear line
    • 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
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/14—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
    • B29C45/14467—Joining articles or parts of a single article
    • 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
    • B29L2031/3002—Superstructures characterized by combining metal and plastics, i.e. hybrid parts

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Architecture (AREA)
  • Structural Engineering (AREA)
  • Body Structure For Vehicles (AREA)

Abstract

Element comprises metallic armature (14) with a streamlined hollow body (16) and plastic backing (18). Plastic backing elements are linked to the body by anchoring heads (22) passing through holes (20). Metallic cover (24) can rotate between open position, where casing can be accessed and closed position, where cover is covering the opening of casing and is fixed by screw (32). An Independent claim is also included for a car's front using this kind of structural elements.

Description

La présente invention concerne un élément de construction et une face avant pour véhicule automobile muni de cet élément. The present invention relates to a construction element and a front face for a motor vehicle provided with this element.

On connaît déjà dans l'état de la technique, notamment d'après EP-A- 0.370.342, un élément de construction du type comprenant une armature métallique muni d'un corps creux, sensiblement profilé, de section transversale délimitée par un contour ouvert, et des nervures de renfort en matière plastique logées dans le corps d'armature. Already known in the state of the art, in particular from EP-A-0.370.342, a construction element of the type comprising a metal reinforcement provided with a hollow body, substantially profiled, of cross section defined by an outline open, and reinforcing ribs of plastic material housed in the frame body.

Un élément de construction de ce type est avantageusement utilisé pour la fabrication d'une face avant de véhicule automobile. Les nervures de renfort permettent de rigidifier efficacement l'élément de construction et la face avant. Toutefois, si l'on souhait augmenter davantage la rigidité de la face avant , on est généralement conduit, soit à augmenter l'épaisseur des nervures ou du corps d'armature, soit à rajouter localement dans cette face avant des parties métalliques. A construction element of this type is advantageously used for the manufacture of a front face of a motor vehicle. The reinforcing ribs make it possible to effectively stiffen the construction element and the front face. However, if one wishes to further increase the rigidity of the front face, it is generally necessary to increase the thickness of the ribs or the reinforcing body, or to add locally in this front face of the metal parts.

L'invention a pour but d'augmenter la rigidité d'un élément de construction du type précité avec des moyens simples et faciles à fabriquer. The invention aims to increase the rigidity of a construction element of the aforementioned type with simple means and easy to manufacture.

A cet effet, l'invention a pour objet un élément de construction, du type précité, caractérisé en ce que l'armature métallique comprend également un couvercle métallique déplaçable entre une position d'accès à l'intérieur du corps d'armature et une position de fermeture du contour de la section transversale de ce corps d'armature. To this end, the invention relates to a construction element, of the aforementioned type, characterized in that the metal frame also comprises a metal cover movable between an access position inside the reinforcing body and a closing position of the contour of the cross section of this frame body.

Suivant d'autres caractéristiques de cet élément - le couvercle est relié au corps d'armature par une charnière en matière plastique venue de matière avec les nervures de renfort ; - il comprend des moyens complémentaires d'accrochage du couvercle en position de fermeture, portés par ce couvercle et un prolongement des nervures de renfort ; - les moyens d'accrochage comprennent au moins une vis, s'étendant à travers un orifice de passage ménagé dans le couvercle, vissée dans un trou ménagé dans le prolongement des nervures de renfort ; - les moyens d'accrochage comprennent au moins une patte d'encliquetage, portée par le prolongement des nervures de renfort, coopérant avec un orifice d'encliquetage ménagé dans le couvercle ; - les nervures de renfort sont reliées au corps d'armature par des parties d'ancrage de ces nervures s'étendant à travers des orifices d'ancrage respectifs ménagés dans le corps d'armature, chaque partie d'ancrage se prolongeant à l'extérieur du corps d'armature par une tête d'ancrage dans le corps d'armature ; - le bord des orifices d'ancrage est replié vers l'intérieur du corps d'armature, les têtes d'ancrage affleurant la surface externe du corps d'armature ; - la section transversale du corps d'armature a une forme générale en U. According to other characteristics of this element - the cover is connected to the frame body by a hinge plastic material material with the reinforcing ribs; it comprises complementary means for hooking the lid in the closed position, carried by this lid and an extension of the reinforcing ribs; - The attachment means comprise at least one screw, extending through a passage opening in the cover, screwed into a hole in the extension of the reinforcing ribs; - The attachment means comprise at least one latching lug, carried by the extension of the reinforcing ribs, cooperating with a latching orifice formed in the cover; the reinforcing ribs are connected to the reinforcing body by anchoring portions of these ribs extending through respective anchoring orifices formed in the reinforcing body, each anchoring portion extending to the reinforcement body; outside the frame body by an anchor head in the frame body; the edge of the anchoring orifices is folded towards the inside of the reinforcing body, the anchoring heads flush with the external surface of the reinforcing body; the cross section of the reinforcing body is generally U-shaped.

L'invention a également pour objet une face avant pour véhicule automobile, caractérisée en ce qu'elle comprend un élément de construction tel que défini ci-dessus. The invention also relates to a front face for a motor vehicle, characterized in that it comprises a construction element as defined above.

L'invention sera mieux comprise à la lecture de la description qui va suivre donnée uniquement à titre d'exemple et faite en se référant aux dessins dans lesquels - la figure 1 est une vue schématique d'une face avant de véhicule automobile munie d'un élément de construction selon l'invention dont le couvercle est en position de fermeture ; - les figures 2 et 3 sont des vues en coupe suivant la ligne 2-2 de la figure 1 montrant le couvercle de l'élément de construction dans des positions d'accès à l'intérieur du corps d'armature et de fermeture du contour de ce corps d'armature, respectivement ; - la figure 4 est une vue suivant la flèche 4 de la figure 2 ; - la figure 5 est une vue de détail de l'élément de construction montrant des moyens complémentaires d'accrochage du couvercle en position de fermeture du type à encliquetage. The invention will be better understood on reading the description which follows, given solely by way of example and with reference to the drawings in which - FIG. 1 is a schematic view of a front face of a motor vehicle equipped with a construction element according to the invention whose lid is in the closed position; FIGS. 2 and 3 are sectional views along line 2-2 of FIG. 1 showing the cover of the construction element in access positions inside the frame body and closure of the contour of this frame body, respectively; - Figure 4 is a view along the arrow 4 of Figure 2; - Figure 5 is a detail view of the construction element showing complementary means for hooking the cover in the latching type of the latching type.

On a représenté schématiquement sur la figure 1 une face avant pour véhicule automobile, désignée par la référence générale 10. FIG. 1 shows schematically a front face for a motor vehicle, designated by the general reference 10.

Cette face avant 10 comprend un élément de construction 12 selon l'invention formant, par exemple, une partie supérieure de la face avant. This front face 10 comprises a construction element 12 according to the invention forming, for example, an upper portion of the front face.

En se référant aux figures 2 à 4, on voit que l'élément de construction 12 comprend une armature métallique 14 munie d'un corps creux 16, sensiblement profilé, de section transversale délimitée par un contour ouvert (à gauche en considérant la figure 2). Dans l'exemple illustré, la section transversale du corps 16 d'armature a une forme générale en U. Referring to FIGS. 2 to 4, it can be seen that the construction element 12 comprises a metal reinforcement 14 provided with a substantially profiled hollow body 16 of cross section delimited by an open contour (on the left considering FIG. 2 ). In the example illustrated, the cross section of the body 16 has a generally U-shaped frame.

L'élément de construction 12 comprend également des nervures de renfort classiques 18 en matière plastique, logées dans le corps 16 d'armature. Les nervures 18 sont disposées de façon croisée dans le corps 16 d'armature. Les nervures de renfort 18 sont reliées au corps 16 d'armature par des parties d'ancrage de ces nervures 18 s'étendant à travers des orifices d'ancrage 20 respectifs ménagés dans le corps 16 d'armature. De préférence, le bord des orifices d'ancrage 20 est replié vers l'intérieur du corps 16 d'armature. Chaque partie d'ancrage de nervures se prolonge à l'extérieur du corps 16 d'armature par une tête 22 d'ancrage dans le corps 16. De préférence, les têtes d'ancrage 22 affleurent la surface externe du corps 16 d'armature. The construction element 12 also comprises conventional reinforcing ribs 18 made of plastic, housed in the body 16 of reinforcement. The ribs 18 are arranged crosswise in the body 16 of reinforcement. The reinforcing ribs 18 are connected to the reinforcing body 16 by anchoring portions of these ribs 18 extending through respective anchoring orifices 20 formed in the body 16 of reinforcement. Preferably, the edge of the anchoring orifices 20 is folded towards the inside of the body 16 of reinforcement. Each rib anchoring part extends outside the body 16 of reinforcement by a head 22 anchoring in the body 16. Preferably, the anchor heads 22 are flush with the outer surface of the body 16 of reinforcement .

L'armature métallique 14 comprend également un couvercle métallique 24 déplaçable entre une position d'accès à l'intérieur du corps 16 d'armature, telle que représentée sur les figures 2 et 4, et une position de fermeture du contour de ce corps 16 d'armature, telle que représentée sur la figure 3. The metal armature 14 also comprises a metal cover 24 movable between an access position inside the body 16 of reinforcement, as shown in Figures 2 and 4, and a closed position of the contour of this body 16 reinforcement, as shown in FIG.

Le couvercle 24 est relié au corps 16 d'armature par un film en matière plastique, formant une charnière 26, venu de matière avec les nervures 18. Le couvercle 24 est accroché en position de fermeture sur le corps 16 d'armature à l'aide de moyens complémentaires 28 portés par ce couvercle 24 et un prolongement 30 des nervures de renfort 18, faisant saillie à l'extérieur du corps 16 d'armature. The cover 24 is connected to the frame body 16 by a plastic film, forming a hinge 26, integral with the ribs 18. The cover 24 is hooked in the closed position on the frame body 16 to the using complementary means 28 carried by the cover 24 and an extension 30 of the reinforcing ribs 18, projecting outside the body 16 of reinforcement.

Ces moyens d'accrochage 28 comprennent, par exemple, au moins une vis 32, s'étendant à travers un orifice de passage 34 ménagé dans le couvercle, vissée dans un trou 36 ménagé dans le prolongement 30 (voir figures 2 et 3). These attachment means 28 comprise, for example, at least one screw 32, extending through a through hole 34 formed in the cover, screwed into a hole 36 formed in the extension 30 (see Figures 2 and 3).

Dans la variante représentée sur la figure 5, les moyens d'accrochage 28 comprennent au moins une patte d'encliquetage 38, venue de matière avec le prolongement 30, coopérant avec un orifice d'encliquetage 40 ménagé dans le couvercle 24. In the variant shown in FIG. 5, the fastening means 28 comprise at least one latching lug 38 integrally formed with the extension 30, cooperating with a latching orifice 40 formed in the cover 24.

L'élément de construction 12 selon l'invention est très simple à fabriquer. En effet, les nervures de renforts 18 et la charnière 26 en plastique peuvent être fabriquées simplement par surmoulage, sur le corps 16 et le couvercle 24. The building element 12 according to the invention is very simple to manufacture. Indeed, the reinforcement ribs 18 and the plastic hinge 26 can be manufactured simply by overmoulding, on the body 16 and the cover 24.

A la fin de l'opération de surmoulage, le couvercle 24 est en position d'accès à l'intérieur du corps 16. II suffit ensuite de fermer et accrocher le couvercle 24 comme cela est représenté sur la figure 3 pour obtenir l'élément de construction tel qu'il est destiné à être utilisé , par exemple dans la face avant 10. At the end of the overmoulding operation, the cover 24 is in the access position inside the body 16. It is then sufficient to close and hook the cover 24 as shown in FIG. 3 to obtain the element of construction as it is intended to be used, for example in the front face 10.

Le couvercle 24, en position de fermeture, constitue avec le corps 16 d'armature, une armature creuse sensiblement profilée de section transversale délimitée par un contour fermé. La combinaison de ce contour fermé avec les nervures de renfort 18 surmoulées à l'intérieur du corps 16 permet d'obtenir un élément de construction 12 particulièrement rigide. The lid 24, in the closed position, constitutes with the body 16 of reinforcement, a hollow frame substantially profiled cross section delimited by a closed contour. The combination of this closed contour with the reinforcing ribs 18 overmolded inside the body 16 provides a particularly rigid construction element 12.

Bien entendu, l'élément de construction selon l'invention peut être utilisé pour la fabrication d'objets très variés, autres qu'une face avant, à savoir diverses parties du corps ou des ouvrants d'un véhicule automobile.Of course, the construction element according to the invention can be used for the manufacture of very varied objects, other than a front face, namely various body parts or openings of a motor vehicle.

Claims (9)

REVENDICATIONS 1. Elément de construction du type comprenant une armature métallique (14) muni d'un corps creux (16), sensiblement profilé, de section transversale délimitée par un contour ouvert, et des nervures de renfort (18) en matière plastique logées dans le corps (16) d'armature, caractérisé en ce que l'armature métallique (14) comprend également un couvercle métallique (24) déplaçable entre une position d'accès à l'intérieur du corps (16) d'armature et une position de fermeture du contour de la section transversale de ce corps (16) d'armature.1. Construction element of the type comprising a metal reinforcement (14) provided with a hollow body (16), substantially profiled, of cross section delimited by an open contour, and reinforcing ribs (18) of plastic material housed in the reinforcement body (16), characterized in that the metal frame (14) also comprises a metal cover (24) movable between an access position inside the frame body (16) and a position of closing the contour of the cross section of this frame body (16). 2. Elément selon la revendication 1, caractérisé en ce que le couvercle (24) est relié au corps (16) d'armature par une charnière (26) en matière plastique venue de matière avec les nervures de renfort (18).2. Element according to claim 1, characterized in that the cover (24) is connected to the body (16) of reinforcement by a hinge (26) of plastic material integrally with the reinforcing ribs (18). 3. Elément de construction selon la revendication 1 ou 2, caractérisé en ce qu'il comprend des moyens complémentaires (32 à<B>36-1</B> 38, 40) d'accrochage du couvercle (24) en position de fermeture, portés par ce couvercle (24) et un prolongement (30) des nervures de renfort (18).3. Construction element according to claim 1 or 2, characterized in that it comprises complementary means (32 to <B> 36-1 </ B> 38, 40) for hooking the cover (24) in the position of closure, carried by this cover (24) and an extension (30) of the reinforcing ribs (18). 4. Elément selon la revendication 3, caractérisé en ce que les moyens d'accrochage comprennent au moins une vis (32), s'étendant à travers un orifice de passage (34) ménagé dans le couvercle (24), vissée dans un trou (36) ménagé dans le prolongement (30) des nervures de renfort (18).4. Element according to claim 3, characterized in that the attachment means comprise at least one screw (32), extending through a through hole (34) formed in the cover (24), screwed into a hole (36) formed in the extension (30) of the reinforcing ribs (18). 5. Elément selon la revendication 3, caractérisé en ce que les moyens d'accrochage comprennent au moins une patte d'encliquetage (38), portée par le prolongement (30) des nervures de renfort (18), coopérant avec un orifice d'encliquetage (40) ménagé dans le couvercle (24).5. Element according to claim 3, characterized in that the attachment means comprise at least one latching lug (38), carried by the extension (30) of the reinforcing ribs (18), cooperating with an orifice of snap (40) formed in the cover (24). 6. Elément selon l'une quelconque des revendications précédentes, caractérisé en ce que les nervures de renfort (18) sont reliées au corps (16) d'armature par des parties d'ancrage de ces nervures (18) s'étendant à travers des orifices d'ancrage respectifs (20) ménagés dans le corps (16) d'armature, chaque partie d'ancrage se prolongeant à l'extérieur du corps (16) d'armature par une tête (22) d'ancrage dans le corps (16) d'armature.6. Element according to any one of the preceding claims, characterized in that the reinforcing ribs (18) are connected to the body (16) of reinforcement by anchoring portions of these ribs (18) extending through respective anchor holes (20) in the armature body (16), each anchoring portion extending outside the armature body (16) by an anchoring head (22) in the body (16) of reinforcement. 7. Elément selon la revendication 6, caractérisé en ce que le bord des orifices d'ancrage (20) est replié vers l'intérieur du corps (16) d'armature, les tètes d'ancrage (22) affleurant la surface externe du corps (16) d'armature.Element according to claim 6, characterized in that the edge of the anchoring orifices (20) is folded towards the inside of the body (16) of reinforcement, the anchoring heads (22) flush with the external surface of the body (16) of reinforcement. 8. Elément selon l'une quelconque des revendications précédentes, caractérisé en ce que la section transversale du corps (16) d'armature a une forme générale en U.8. Element according to any one of the preceding claims, characterized in that the cross section of the body (16) of reinforcement has a general shape of U. 9. Face avant pour véhicule automobile, caractérisée en ce qu'elle comprend un élément de construction selon l'une quelconque des revendications précédentes.9. front face for a motor vehicle, characterized in that it comprises a construction element according to any one of the preceding claims.
FR9909808A 1999-07-28 1999-07-28 CONSTRUCTION ELEMENT AND FRONT PANEL FOR MOTOR VEHICLE PROVIDED WITH THIS ELEMENT Expired - Lifetime FR2796913B1 (en)

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FR9909808A FR2796913B1 (en) 1999-07-28 1999-07-28 CONSTRUCTION ELEMENT AND FRONT PANEL FOR MOTOR VEHICLE PROVIDED WITH THIS ELEMENT

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FR9909808A FR2796913B1 (en) 1999-07-28 1999-07-28 CONSTRUCTION ELEMENT AND FRONT PANEL FOR MOTOR VEHICLE PROVIDED WITH THIS ELEMENT

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2813942A1 (en) * 2000-09-08 2002-03-15 Behr Gmbh & Co COMPONENT FOR A MOTOR VEHICLE
WO2014177378A1 (en) * 2013-04-30 2014-11-06 Bayerische Motoren Werke Aktiengesellschaft Hybrid component for a motor vehicle comprising an internal, unsprayed metal grid having a rhomboid pattern
US10583629B2 (en) * 2015-02-06 2020-03-10 Kobe Steel, Ltd. Joining structure

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3448550A (en) * 1967-03-06 1969-06-10 Gerhard Herr Cover molding,particularly for motor vehicle bodies
US3905171A (en) * 1972-02-28 1975-09-16 Don A Cargill Building panels
EP0370342A2 (en) 1988-11-25 1990-05-30 Bayer Ag Light weight constructional element

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3448550A (en) * 1967-03-06 1969-06-10 Gerhard Herr Cover molding,particularly for motor vehicle bodies
US3905171A (en) * 1972-02-28 1975-09-16 Don A Cargill Building panels
EP0370342A2 (en) 1988-11-25 1990-05-30 Bayer Ag Light weight constructional element

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2813942A1 (en) * 2000-09-08 2002-03-15 Behr Gmbh & Co COMPONENT FOR A MOTOR VEHICLE
WO2014177378A1 (en) * 2013-04-30 2014-11-06 Bayerische Motoren Werke Aktiengesellschaft Hybrid component for a motor vehicle comprising an internal, unsprayed metal grid having a rhomboid pattern
US10583629B2 (en) * 2015-02-06 2020-03-10 Kobe Steel, Ltd. Joining structure

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FR2796913B1 (en) 2001-10-26

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