WO2009006142A1 - Système d'applique de carénage frontal de pare-choc de véhicule - Google Patents

Système d'applique de carénage frontal de pare-choc de véhicule Download PDF

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Publication number
WO2009006142A1
WO2009006142A1 PCT/US2008/068129 US2008068129W WO2009006142A1 WO 2009006142 A1 WO2009006142 A1 WO 2009006142A1 US 2008068129 W US2008068129 W US 2008068129W WO 2009006142 A1 WO2009006142 A1 WO 2009006142A1
Authority
WO
WIPO (PCT)
Prior art keywords
fascia
applique
area
wall portion
vehicle bumper
Prior art date
Application number
PCT/US2008/068129
Other languages
English (en)
Inventor
David L. Chapman
Ashish V. Kotnis
Padraig Naughton
Keith L. Kauffman
Vinicius Arouche Toledo
Original Assignee
Dow Global Technologies, Inc.
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Dow Global Technologies, Inc. filed Critical Dow Global Technologies, Inc.
Publication of WO2009006142A1 publication Critical patent/WO2009006142A1/fr

Links

Classifications

    • 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
    • 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
    • B60R2019/186—Additional energy absorbing means supported on bumber beams, e.g. cellular structures or material
    • B60R2019/188—Blow molded structures
    • 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
    • B60R2019/1886—Bumper fascias and fastening means therefor

Definitions

  • the present invention relates generally to an improved vehicle bumper fascia applique system, and more particularly to an improved vehicle bumper fascia applique system that provides both energy management features and decorative functionality.
  • bumper assemblies include a bumper beam for absorbing energy.
  • the beam is attached to a vehicle frame and is concealed by a fascia.
  • the fascia is generally decorative, it can perform some other functions such as packaging and holding other functional components (e.g. fog lamps, turn signals and energy absorption structures).
  • Efforts to improve vehicle fascia appearance and impact resistance have advanced over the past decades through the use of molded fascias and introduction of various energy absorbing devices and features located between the fascia and the bumper beam or the main vehicle body. Notwithstanding these advancements, there remains a desire to present alternative solutions for various applications to give greater design flexibility while maintaining at least the current level of energy absorption performance.
  • the present invention is directed to one such solution, and particularly is directed to the use of a vehicle bumper fascia applique system or assembly that provides an alternative design and assembly solution for a vehicle bumper fascia system while maintaining at least the current level of energy absorption performance.
  • the fascia applique assembly for a vehicle bumper fascia system including a first area that includes a first front wall portion and a first rear wall portion.
  • a second area that includes a second front wall portion and a second rear wall portion defined to include a plurality of depressions for forming a plurality of energy managers disposed on the second area.
  • a fascia applique assembly for a vehicle bumper fascia system, comprising: a first area that includes a first front wall portion and a first rear wall portion; a second area that includes a second front wall portion and a second rear wall portion defined to include a plurality of depressions for forming a plurality of energy managers disposed on the second area; and a plurality of applique projections orthogonally disposed on at least one of the first area or second area adapted for attaching the fascia applique assembly to the vehicle bumper fascia system.
  • the invention may be further characterized by one or any combination of the features described herein, such as the fascia applique assembly is attached to the vehicle bumper fascia system with an adhesive disposed between the applique projections and a mating surface on the vehicle bumper fascia system, further wherein the mating surface is orthogonally disposed from a class-b surface of the receiving vehicle bumper fascia assembly; the fascia applique assembly is attached to the vehicle bumper fascia system with a mechanical clip disposed between the applique projections and a mating feature on a receiving fascia b-surface; the depressions further comprise conical projections generally perpendicular to the plane of the second front wall portion; the first area and the second area are divided by a step surface adapted to form an interface region to the receiving fascia assembly; the applique is injection molded; the plastic is comprised of at least one of or a blend of polypropylene, acrylonitrile butadiene styrene, thermoplastic olyolefin, and polyethylene; the plurality of energy managers
  • a plastic injection molded fascia applique assembly for a vehicle bumper fascia system, comprising: a first area that includes a first front wall portion and a first rear wall portion; a second area that includes a second front wall portion and a second rear wall portion defined to include a plurality of depressions for forming a plurality of energy managers laterally spaced apart, disposed on the second area and generally perpendicular to the plane of the second area; a plurality of applique projections orthogonally disposed on at least one of the first area or second area adapted for attaching the fascia applique assembly to the vehicle bumper fascia system; and wherein the plastic is comprised of at least one of or a blend of polypropylene, acrylonitrile butadiene styrene, thermoplastic olyolefin, and polyethylene.
  • the invention may be further characterized by one or any combination of the features described herein, such as the depressions further comprise conical projections generally perpendicular to the plane of the second front wall portion; the first area and the second area are divided by an undulated surface adapted to form an interface region to the receiving fascia assembly.
  • a method of making a fascia applique assembly as described in any paragraph above for use in a vehicle bumper fascia system comprising the steps of: forming fascia applique with a first area that includes a first front wall portion and a first rear wall portion, with a second area that includes a second front wall portion and a second rear wall portion defined to include a plurality of depressions for forming a plurality of energy managers disposed on the second area, and with a plurality of applique projections orthogonally disposed on at least one of the first area or second area adapted for attaching the fascia applique assembly to the vehicle bumper fascia system; applying an fixation device to the applique projections; moving the applique projections to a corresponding mating surface of the vehicle bumper fascia system; and attaching the fascia applique to the vehicle bumper fascia system.
  • the invention may be further characterized by one or any combination of the features described herein, such as the fixation device is an adhesive; the fixation device is a mechanical fastener; the fascia applique is formed by injection molding; the fascia applique is comprised of a thermoplastic resin. DESCRIPTION OF THE DRAWINGS
  • FIG. 1 is a perspective view of an illustrative example according to the present teaching.
  • FIG. 1A is a sectional view of an illustrative example according to the present teaching.
  • FIG. 2 is a perspective view of an illustrative example according to the present teaching.
  • FIG. 2A is a sectional view of an illustrative example according to the present teaching.
  • FIG. 3 is a perspective view of an illustrative example according to the present teaching.
  • FIG. 3A is a sectional view of an illustrative example according to the present teaching.
  • FIG. 4 is a perspective view of an illustrative example according to the present teaching.
  • FIG. 4A is a sectional view of an illustrative example according to the present teaching.
  • FIG. 5 is a perspective view of an illustrative example of the second area only according to the present teaching.
  • FIG. 6 is a perspective view of an illustrative example according to the present teaching.
  • FIG. 7 is a sectional view of an illustrative example including a clip attachment according to the present teaching.
  • FIG. 8 is a perspective view of an illustrative example according to the present teaching
  • the present invention is premised upon the development of an improved vehicle bumper fascia assembly through the use of an improved fascia applique assembly or bumper applique, providing integrated energy management (e.g. energy absorption) features for use in a multi-piece vehicle fascia assembly.
  • the bumper applique contemplated in this invention is a separate part that generally includes at least a first and a second area, each with a front and a rear side wall portion. More specifically, the first area 2 includes a first front side wall portioniO (also known as the a-surface) is a visible cosmetic portion that is seen on the outside of a vehicle and a first rear side wall portion 12 (also known as the b-surface) is generally concealed from view upon assembly.
  • a first front side wall portioniO also known as the a-surface
  • a first rear side wall portion 12 also known as the b-surface
  • the second area 4 includes a second front side 14 and a second rear side wall portion 16, each of which is generally concealed from view upon assembly to a vehicle. Additionally, the second area generally incorporates geometric depressions or features for energy management.
  • the bumper applique can be joined to the bumper fascia in a multitude of fashions, generally from attachment features located in the second area of the applique to attachment features located on the b-surface of the bumper fascia using adhesives, mechanical fasteners, snap fits, interference fits, or any combination thereof (e.g. screws, spring clips, push pins, etc.).
  • the attachment features could be located anywhere desired, it is preferred that they be located in such as fashion that they are generally concealed from view upon assembly to a vehicle.
  • the attachments can be on multiple sides of the applique or on a single side, depending upon the geometry of the particular assembly.
  • the interface between the applique on the front side 10 and the bumper fascia 40 is designed to give a crisp appearance. It is contemplated that this can be accomplished by many known design techniques, for example, providing a back turned flange 48 on the bumper fascia 40 to fit into an appropriately dimensioned channel, step or undulation in the applique.
  • the incorporation of the energy managing features eliminates the need for a separate foam or energy management part that is typically shipped to the assembly plant and requires assembly plant labor to fasten it to the bumper beam prior to attaching the bumper fascia.
  • the upper portion or second area of the applique generally incorporates the energy management features.
  • the lower portion or first area of the applique is generally a show surface or as known in the industry as a class-a surface. It is contemplated that the part may have additional show surface areas and energy management features located in additional areas of the applique (e.g. an additional show surface above the "upper portion" or some energy management features to the side of the show surface).
  • the energy management features 20 can be formed such that they face generally in a rearward or generally in a forward direction relative to the vehicle body, as seen in FIGS. 3 and 4 respectively.
  • the energy absorbing features may be disposed generally behind the inner or b-surface of the bumper fascia 40 (shown in phantom).
  • the surrounding vehicle environment e.g. the floor pan 50 and the bumper beam 52
  • a testing piece 54 used in energy management tests.
  • the invention contemplates the applique, especially when made of a polymeric material, can be molded in a color, texture or both so that additional painting or coating is not required.
  • a two-tone or multi-tone fascia assembly can be achieved by molding the applique in a different color than the mold-in color or painted bumper fascia. Additional design features can be molded into the applique to provide differentiation for upscale vehicle trim levels.
  • the invention contemplates a step of forming structural features, non-structural features or both, such as one selected from, but not limited to, a spoiler, an air dam, a fog lamp pocket, a vehicle model identifier, an exhaust system opening, a license plate holder, a trailer hitch or any combination thereof.
  • the bumper applique can be formed of multiple pieces assembled together (e.g., secured to each other with fasteners, welds, adhesive or the like) or may be formed as a single unitary structure (e.g. via a one step molding operation). Whether supplied in pieces or as a single unitary structure, the bumper applique may be formed of a single material or multiple materials.
  • the applique may include plastic in combination with another plastic, a metal, a woven material, or a combination thereof.
  • the bumper applique may be formed of a variety of materials such a metal materials (e.g., metal alloys, metal containing materials, pure metals or the like), polymeric materials (e.g., plastics), other materials, combinations thereof or the like.
  • the bumper applique of the present invention is made partially, substantially entirely (e.g., at least about 80%, 90%, 95% or more by weight) or entirely from polymeric and/or plastic material, and more preferably thermoplastic material.
  • the bumper applique is made from a high strength thermoplastic resin selected from styrenics, polyamides, polyolefins, polycarbonates, polyesters or any combination thereof. Still more preferably, the resin is selected from the group consisting of thermoplastic olyolefin, acrylonitrile butadiene styrene, polycarbonate/acrylonitrile/butadiene styrene, polyphenylene oxide/polystyrene, polyphenylene oxide, polyphenylene ether, ethylene alpha olefin, polybutylene terephthalate/polycarbonate, polyesters, polypropylene, polyethylene, polyethylene terephthalates, polypropylene and ethylene-propylene mixtures, and a combination (e.g.
  • the resin is selected from the group consisting of polycarbonate/acrylonitrile/butadiene styrene, acrylonitrile butadiene styrene, impact modified polypropylene, thermoplastic olyolefin, and any combination thereof.
  • the plastic material for making the bumper applique may be provided as neat resins, blends copolymers or any combination thereof.
  • the polymeric materials may incorporate natural, mineral, fibrous or other fillers of various shapes and sizes for providing reinforcing, stiffening or other characteristics to the frames or structures.
  • the plastics or polymeric material for one or more components of the bumper applique may comprise a homopolymer.
  • the plastic or polymeric material may be a thermosetting plastic resin.
  • a thermoset polyurethane system may be employed for forming the first structure.
  • the plastic or polymeric material may contain fillers, for example it may include talc, minerals or the like.
  • fillers add high plastic strain to failure properties top the base resin.
  • a polymeric material such as ABS, PC ⁇ ABS, polypropylene, thermoplastic olyolefin or another suitable plastic or combinations thereof is filled with talc, minerals or any combination thereof.
  • the bumper applique may be formed, molded, machined or otherwise configured to the desired shape.
  • Metal structures may be roll formed, cast, stamped or the like.
  • the invention contemplates being manufactured by the steps such as one selected from, but not limited to, injection molding, stamping, casting, compression molding, blow molding, rotational molding, thermoforming, extruding, vacuum forming, foaming-in-place, or otherwise.
  • the bumper applique is or includes polymeric (e.g., plastic) materials
  • any suitable plastic fabrication technique including, without limitation, injection molding (including but not limited to external or internal gas injection molding), blow molding, compression molding, rotational molding, thermoforming, extruding, vacuum forming, foaming-in-place, or any combination thereof.
  • injection molding including but not limited to external or internal gas injection molding
  • blow molding compression molding
  • rotational molding thermoforming
  • extruding vacuum forming
  • foaming-in-place foaming-in-place
  • hybrid structures can be fabricated, thereby taking advantage of the benefits of different respective materials and different respective fabrication techniques, and also advantageously permitting for the ability to design additional features.
  • thermosetting materials any suitable forming techniques may be used.
  • reaction injection molding (RIM) techniques may be employed.
  • Preferred RIM techniques might include structural reaction injection molding (SRIM), reinforced reaction injection molded (RRIM), low density reaction injection molded (LD-RIM) (which may be reinforced or structural) or the like.
  • Alternative techniques such as resin transfer molding (RTM) may also be employed.
  • Fillers appropriate for RIM include, without limitation, mineral quasi-isotropic particles such as mica or wollastonite having various aspect ratios.
  • Structures suitable for RIM (e.g., SRIM or LD-RIM) materials include, without limitation, spray-up fiber pre-forms, oriented fiber pre-forms, random fiber pre-forms, or single or multiple fiber reinforcing layers pre-placed in the manufacturing tools prior to injection of the resin.
  • One embodiment contemplates joining the applique to the bumper fascia using an adhesive. For example a joint interface between the components may be achieved by using male and female mating attachments, with an adhesive between the male and female members (e.g.
  • any suitable adhesive may be employed in the present invention; although particular adhesives are preferred multiple different adhesives may be used as well.
  • the adhesive is compatible with (i.e., capable of adhering to) the material of the surfaces of the bumper fascia and the applique. If, however, the adhesive is slightly incompatible with one of these materials, it may be desirable to treat the surface[s] formed of the incompatible material. Exemplary treatments include the application of primer, exposure to plasma, combinations thereof or the like.
  • the adhesive can be a urethane based adhesive, and more preferably a two part urethane adhesive.
  • the adhesive may include a functional component selected from acrylonitrile butadiene styrene (ABS), polycarbonate (PC), or a mixture thereof (e.g. PC- ABS).
  • ABS acrylonitrile butadiene styrene
  • PC polycarbonate
  • the adhesive can additionally or alternatively be a silane adhesive, a silicone adhesive or a mixture thereof.
  • An acrylic adhesive may be additionally or alternatively be employed.
  • the adhesive may also be epoxy based. It may include polyolefinics, styrenics, acrylics or mixtures thereof.
  • a preferred adhesive includes alkyl borane. Examples of suitable adhesives are disclosed in commonly owned U.S. Patent Nos. 7,157,399; 6,806,330; and 6,730,759 expressly incorporated herein by reference for all purposes.
  • the adhesive has a polymerizable composition
  • a polymerizable composition comprising a) an organoborane amine complex; b) one or more of monomers, oligomers or polymers having olefinic unsaturation which is capable of polymerization by free radical polymerization; c) one or more compounds, oligomers or prepolymers having a siloxane backbone and reactive moieties capable of polymerization; and d) a catalyst for the polymerization of the one or more compounds, oligomers or prepolymers having a siloxane backbone and reactive moieties capable of polymerization.
  • This composition may further comprise a compound which causes the organoborane amine complex to disassociate.
  • the adhesive comprises a polymerizable composition comprising an organoborane/amine complex and one or more of monomers, oligomers or polymers having olefinic unsaturation which is capable of polymerization by free radical polymerization.
  • the adhesive may additionally comprise a compound which causes the said complex to disassociate so as to release the borane to initiate polymerization of one or more of monomers, oligomers or polymers having olefinic unsaturation.
  • the polymerizable composition which contains the disassociating agent may be cured at any desired temperature, such as at, or near, ambient temperature and below ambient temperature.
  • Any such adhesive may include suitable performance modifiers including art disclosed tackifiers, elastomers, impact modifiers, or the like.
  • a two part, organoborane/amine complex adhesive or other adhesive is employed for adhesively securing the structures together.
  • an adhesive can adhere to low surface energy surfaces or substrates.
  • the adhesive is preferably capable of bonding to corresponding surfaces having a surface energy of less than about 45 mJ/m 2 as defined by ASTM Std. D25781.
  • a two part, a urethane based adhesive is employed for adhesively securing the structures together.
  • an adhesive can adhere many surfaces or substrates.
  • treatments such as the application of primer, exposure to plasma, combinations thereof or the like will be employed to aid the bonding characteristics between the adhesive and the surface being bonded.
  • the adhesive Once the adhesive has been applied, it will typically require some amount of time to at least partially, if not fully cure. Curing may be assisted by exposure to heat, moisture, radiation, or any combination thereof.
  • Curing may include a cure-on-demand step, such as the step of placing the applique in an chamber, applying a settable heat source for a particular time and energy level, and then removing the applique.
  • the adhesive cures at about room temperature (e.g., between about 20 0 C to about 30 0 C), but may be exposed to elevated or lowered temperatures for accelerating or slowing cure times.
  • a device e.g., pushpins, clamps, clips or the like
  • Such fasteners may be removable or may be intended to assist in securing the structures together during use of the assembly.
  • the surfaces or other portions of the applique that are adhered together may be formed (e.g., molded) to have inter-fitting and/or interlocking features for attaching the structures together during adhesive cure or any other time.
  • a corresponding surface of one structure may include one or more openings (e.g., cavities) for receiving one or more protrusions of a corresponding surface of another structure.
  • a snap fit connection results from a tang on the first member, engaging an opposing wall formed on the second member.
  • mechanical fasteners are used to join the applique to the bumper fascia.
  • the mechanical interface between the components may be achieved through the use of projections emanating from the b-surface of the bumper fascia, by holes within the b-surface or a combination thereof. These projections or holes may be sized, shaped or both to receive the mechanical fasteners.
  • Fasteners may be clips, screws, rivets, push pins, star lock washers or any combination thereof.
  • holes 44 for screws are located in the applique and would be mated to like holes in the bumper fascia.
  • a clip 56 is placed through a clearance hole in the applique and is mated to an appropriate feature in the bumper fascia.
  • the invention also contemplates a plurality of energy management features that are integral to the applique. These are generally formed into the upper portion of the applique, generally considered the forward b-surface, and are intended to fit between at least a portion of the bumper fascia and the vehicle, see FIGS. 1 and 2. These energy-absorbing features generally are formed geometric shapes that project orthogonally, either forwardly or rearwardly in relation to the vehicle, in from the surface or main wall of the applique. These shapes can be, but are not limited by the following illustrative examples: rectangular, square, triangular, t-cross, stepped or any combination thereof. They also may contain reinforcement structures, such as ribs, within and without the shapes or even additional components, such as compressible foam blocks or similar energy management devices.
  • the energy management features could have voids 46 in the walls, as seen in FIG.5, to lighten the structure or aid in the controlled deformation per an energy management target. It is also contemplated that these energy management features can be of differing heights, shapes and locations to allow for multiple impact events and to controlled energy distribution during an impact event. In one embodiment, the energy management features of the applique are also located along the sides of the bumper fascia to accommodate side impact events, as illustrated in Fig.8.
  • the formed geometric shapes are generally conical and have a wall thickness (T w ) that ranges from about 1.0-4.0mm, preferably from about 1.5-3.5mm, and even more preferably from about 2.0-3.0mm.
  • the wall thickness can vary in differing parts of an individual feature and between features depending on the amount and type of energy management required.
  • the wall thickness could be about 3mm at the point where the feature interfaces the main wall of the applique and is only about 1.5mm at the point furthest form the main wall.
  • Various rib patterns can be placed within the cone opening to manage energy. The thickness of the ribs can vary from about 1.5mm to 3.0mm and can vary in thickness across the rib.
  • the skilled artisan will recognize that the above teachings may be modified in any of a number of ways yet still stay within the scope of the present invention.
  • the present invention contemplates techniques and methods for the optimization of one or more of substrate material selection, energy management feature selection, wall thickness, section thickness, for realizing the desired stiffness and strength to meet traditionally demanding load requirements in automotive vehicles crashes.
  • design requirements will vary, and therefore a reasonable amount of experimentation may be needed to adapt the various teachings to the unique intended environment.
  • part size, vehicle size, bumper location, vehicle styling, and package constraints may affect final design. It is believed that the use of conventional computer aided engineering (CAE) techniques in combination with the present teachings will yield satisfactory results, which can be improved as desired with conventional techniques for localized steel or foam reinforcement.
  • CAE computer aided engineering

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Body Structure For Vehicles (AREA)

Abstract

La présente invention concerne un ensemble d'applique pour un système de carénage frontal de pare-choc de véhicule, destiné à être utilisé pour un système ou ensemble d'applique de carénage frontal de pare-choc de véhicule fournissant une solution de modèle et d'ensemble alternatif pour un système de carénage frontal de pare-choc de véhicule tout en maintenant au moins le niveau actuel d'efficacité d'absorption d'énergie. L'ensemble d'applique de carénage frontal comporte une première surface comprenant une première partie de paroi frontale et une première partie de paroi arrière ; une seconde surface comprenant une seconde partie de paroi frontale et une seconde partie de paroi arrière définie pour inclure une pluralité de creux pour former une pluralité d'éléments de contrôle d'énergie disposés sur au moins une des première et seconde surfaces ; et une pluralité de saillies d'applique disposées orthogonalement sur au moins une des première et seconde surfaces aptes à fixer l'ensemble d'applique de carénage frontal au système de carénage frontal de pare-choc de véhicule.
PCT/US2008/068129 2007-06-29 2008-06-25 Système d'applique de carénage frontal de pare-choc de véhicule WO2009006142A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US94707207P 2007-06-29 2007-06-29
US60/947,072 2007-06-29

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2009088720A1 (fr) * 2007-12-31 2009-07-16 Sabic Innovative Plastics Ip B.V. Absorbeur d'énergie, système de butoir et processus pour planche de bord
FR2959465A1 (fr) * 2010-05-03 2011-11-04 Faurecia Bloc Avant Piece de carrosserie de vehicule automobile et structure d'extremite de vehicule automobile comprenant une telle piece.
EP3168087A1 (fr) * 2015-11-12 2017-05-17 Renault S.A.S. Partie arriere de vehicule dimensionnee pour le choc
FR3120834A1 (fr) * 2021-03-22 2022-09-23 Compagnie Plastic Omnium Se Absorbeur de chocs en mousse pour véhicule automobile

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1172260A2 (fr) * 2000-07-14 2002-01-16 Kyoraku Co., Ltd. Pare-chocs pour automobile
EP1433664A2 (fr) * 2002-12-25 2004-06-30 Mazda Motor Corporation Structure de pare-chocs pour automobile
FR2903358A1 (fr) * 2006-07-06 2008-01-11 Faurecia Bloc Avant Procede de realisation d'une serie de pare-chocs pour vehicule automobile et serie de pare-chocs associee.

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1172260A2 (fr) * 2000-07-14 2002-01-16 Kyoraku Co., Ltd. Pare-chocs pour automobile
EP1433664A2 (fr) * 2002-12-25 2004-06-30 Mazda Motor Corporation Structure de pare-chocs pour automobile
FR2903358A1 (fr) * 2006-07-06 2008-01-11 Faurecia Bloc Avant Procede de realisation d'une serie de pare-chocs pour vehicule automobile et serie de pare-chocs associee.

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2009088720A1 (fr) * 2007-12-31 2009-07-16 Sabic Innovative Plastics Ip B.V. Absorbeur d'énergie, système de butoir et processus pour planche de bord
US8215686B2 (en) 2007-12-31 2012-07-10 Sabic Innovative Plastics Ip B.V. Fascia energy absorber, bumper system and process
FR2959465A1 (fr) * 2010-05-03 2011-11-04 Faurecia Bloc Avant Piece de carrosserie de vehicule automobile et structure d'extremite de vehicule automobile comprenant une telle piece.
EP3168087A1 (fr) * 2015-11-12 2017-05-17 Renault S.A.S. Partie arriere de vehicule dimensionnee pour le choc
FR3043612A1 (fr) * 2015-11-12 2017-05-19 Renault Sas Partie arriere de vehicule dimensionnee pour le choc
FR3120834A1 (fr) * 2021-03-22 2022-09-23 Compagnie Plastic Omnium Se Absorbeur de chocs en mousse pour véhicule automobile
EP4071001A1 (fr) * 2021-03-22 2022-10-12 Compagnie Plastic Omnium SE Absorbeur de chocs en mousse pour véhicule automobile

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