US20030159261A1 - Lightweight constructional element with external ribbing - Google Patents

Lightweight constructional element with external ribbing Download PDF

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Publication number
US20030159261A1
US20030159261A1 US10/373,240 US37324003A US2003159261A1 US 20030159261 A1 US20030159261 A1 US 20030159261A1 US 37324003 A US37324003 A US 37324003A US 2003159261 A1 US2003159261 A1 US 2003159261A1
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United States
Prior art keywords
basic body
constructional element
lightweight constructional
plastics material
lightweight
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.)
Abandoned
Application number
US10/373,240
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English (en)
Inventor
Reinhold Kappenstein
Hubert Goldbach
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.)
Bayer AG
Original Assignee
Individual
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 Individual filed Critical Individual
Assigned to BAYER AKTIENGESELLSCHAFT reassignment BAYER AKTIENGESELLSCHAFT ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: GOLDBACH, HUBERT, KAPPENSTEIN, REINHOLD
Publication of US20030159261A1 publication Critical patent/US20030159261A1/en
Abandoned legal-status Critical Current

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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
    • 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
    • B29C45/14311—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 using means for bonding the coating to the articles
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16S—CONSTRUCTIONAL ELEMENTS IN GENERAL; STRUCTURES BUILT-UP FROM SUCH ELEMENTS, IN GENERAL
    • F16S1/00—Sheets, panels, or other members of similar proportions; Constructions comprising assemblies of such members
    • F16S1/10—Composite members, e.g. with ribs or flanges attached
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62D—MOTOR VEHICLES; TRAILERS
    • B62D21/00—Understructures, i.e. chassis frame on which a vehicle body may be mounted
    • B62D21/17—Understructures, i.e. chassis frame on which a vehicle body may be mounted forming fluid or electrical conduit means or having other means to accommodate the transmission of a force or signal
    • 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
    • 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
    • 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
    • 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
    • Y10T29/00—Metal working
    • Y10T29/30—Foil or other thin sheet-metal making or treating

Definitions

  • the invention relates to a lightweight constructional element comprising a shell-shaped basic body, in particular of metal, having reinforcing ribs of plastics material, in particular of thermoplastic plastics material, which are permanently fixed to the basic body.
  • hybrid technology generally, a technology involving the combination of metal inserts with thermoplastic plastics material.
  • additional components and application e.g., conduits for wiring and air transport, and other channels, within the interior of the basic body.
  • instrument panel supports or so-called cross-car beams or cross-members in motor vehicles have been produced from steel tubing with various welded-on or screwed-on parts. These parts have relatively high weight. Moreover, with these elements the above-mentioned direct molding-on of further constructional elements to the basic body using the injection-molding process is impossible or possible only with difficulty.
  • EP 370 342 A1 discloses a lightweight constructional element consisting of a shell-shaped profile section with internal supporting ribs consisting of molded-on thermoplastic plastics material. Although this constructional element may be used as a support structure, in particular in the form of plastics-metal composite bodies, its further technical application as a constructional element is typically limited.
  • a lightweight constructional element which is relatively simple to manufacture and has good physical properties, such as high stiffness and strength.
  • a newly developed lightweight constructional element preferably consists of one or optionally a plurality of (shell-shaped) basic bodies. It is desirable that the basic bodies of such newly developed lightweight construction elements must provide channels for wiring or air transport, and further applications. It is further desirable that such newly developed lightweight construction elements have a level of stiffness that is at least comparable to that of prior art structures, such as metal tube cross-car beams.
  • a lightweight constructional element comprising:
  • said reinforcing ribs are fixedly attached to the exterior surface of said basic body by means of discrete attachment points ⁇ which may include, for example, apertures ( 3 a ), slots ( 3 f ), beads ( 3 b ) and/or protrusions ( 3 c ) ⁇ , said reinforcing ribs being one of directly and indirectly fixedly attached to the exterior surface of said basic body.
  • perforation means a hole of any size or configuration, typically present in the basic body ( 1 ) and optionally the flanges ( 8 ) of the basic body, and includes, but is not limited to, apertures and/or slots.
  • aperture means a perforation having substantially similar cross dimensions, and includes, but is not limited to shapes selected from substantially circular, substantially square, and/or substantially triangular.
  • slot means a perforation that is generally elongated in one dimension relative to the other dimension(s) of the perforation, and includes, but is not limited to, rectangular slots and elliptical slots.
  • plastics material means thermoplastic materials (plastics materials that are substantially free of a 3-dimenstional crosslink network) and/or thermoset plastics materials (plastics materials having 3-dimensional crosslink network).
  • the term “directly fixedly attached” with regard to the exterior reinforcing plastic ribs means that the reinforcing ribs are form- and force-closed connected to the basic body by means of apertures or slots.
  • the term “indirectly fixedly attached” with regard to the exterior reinforcing plastic ribs means that the reinforcing ribs are force-closed connected to the basic body by means of beads or protrusions.
  • FIG. 1 is a representative perspective side view of a substantially closed lightweight constructional element ( 103 ) according to the present invention, which includes a cover plate ( 5 a );
  • FIG. 2 is a representative perspective side view of an open lightweight constructional element ( 100 ) according to the present invention, which includes substantially laterally outwardly extending (or doubly angled) reinforcing flanges ( 8 );
  • FIG. 3 is a representative section through a closed profile section of substantially closed lightweight constructional element ( 105 ) that is similar to that of FIG. 2;
  • FIG. 4 is a representative section through a lightweight constructional element ( 107 ) similar to that of FIG. 3 having apertures in the basic body and in the cover plate.
  • FIGS. 1 through 4 like reference numerals designate the same components.
  • the basic body is fabricated from a material selected from at least one of thermoset plastics material, thermoplastic materials and metal.
  • the plastics material of the reinforcing ribs is selected from at least one of thermoset plastics material and thermoplastic materials.
  • connection between the reinforcing ribs and the basic body is preferably effected at or by means of perforations (e.g., apertures and/or slots) through which the plastics material passes and extends beyond the plane of the perforations (e.g., apertures and/or slots).
  • perforations e.g., apertures and/or slots
  • the connection between the reinforcing ribs and the basic body is additionally effected by means of at least partially encasing the rim portions of the basic body by means of plastics material.
  • the basic body of the lightweight constructional element has a shape selected from substantially U-shapes and substantially V-shapes each having two sidewalls (e.g., substantially opposed sidewalls), each sidewall having a rim, and the reinforcing ribs are further fixedly attached to the exterior surface of the basic body by means of plastic material of the ribs at least partially encasing the rims.
  • the lightweight constructional element is given still greater stiffness if the basic body has in its rim portion an angled reinforcing flange, in particular a doubly-angled reinforcing flange.
  • the basic body of the lightweight constructional element has a shape selected from substantially U-shapes and substantially V-shapes each having two sidewalls (e.g., substantially opposed sidewalls), each sidewall having a substantially laterally outwardly extending flange (e.g., an angled reinforcing flange), and said reinforcing ribs are further fixedly attached to the exterior surface of the basic body by means of the plastic material of the ribs at least partially encasing the flanges.
  • These angled rim portions (or laterally outwardly extending flanges) of the basic body can be variously formed (e.g., in accordance with the deep-draw process of the metal part), and their configurations are, for example, primarily determined by the design requirements of the constructional element as a whole.
  • the lightweight constructional element is particularly simple to manufacture but also simple to detach (e.g., separate the reinforcing ribs from the basic body or shell) for the purposes of plastics material recycling, if the connection between the reinforcing ribs and the basic body is effected by means of the plastics material molded onto the exterior surfaces of the basic body, e.g., by means of the injection-molding technique, as will be discussed in further detail herein.
  • the exterior surface of the basic body (in addition to the reinforcing ribs) is encased with plastics material.
  • the exterior encasing plastics material may optionally be continuous with the plastics material of the exterior reinforcing ribs.
  • a preferred lightweight constructional element of the present invention in which the interior surfaces of the basic body are at least partially encased in plastics material.
  • the interior encasing plastics material may optionally be continuous with the plastics material of the exterior reinforcing ribs that extends through perforations in the basic body into the interior space of the basic body, and thereby serving to further fixedly attach the exterior reinforcing ribs to the exterior surface of the basic body.
  • the spatial form of the shell of the lightweight constructional element can be freely selected, depending on the application.
  • a preferred constructional form of the lightweight constructional element is characterized in that the the basic body has a shape is selected from substantially U-shapes and/or substantially V-shapes (relative to the profile section of the basic body).
  • the advantage of the basic body of the present invention lies in the greater simplicity of its manufacture, e.g., by means of the extrusion process.
  • the shell-shaped basic body may optionally be closed with a cover plate.
  • a lightweight constructional element is therefore preferred which is characterized in that at least one additional cover plate enclosing the interior space of the basic body at least partially, and in particular completely, is attached across (or over) the interior space of the basic body.
  • the basic body has a shape selected from substantially U-shapes and substantially V-shapes each having two sidewalls, each sidewall having a substantially laterally outwardly extending flange
  • the lightweight constructional element further includes a cover plate, which is fixedly attached to each of the flanges and covers at least a portion of the interior space of the basic body.
  • the cover plate can project in any desired manner beyond the side portions (or sidewalls) of the lightweight constructional element. In which case it may then optionally contain further functional elements such as dashboard parts, etc., and can therefore serve as a further design feature.
  • the cover plate is jointly encased by plastics material in the rim portion of the basic body to close the interior space.
  • the cover plate is fixedly attached to the basic body by means of plastics material encasing each of the flanges and at least a portion of the cover plate that abuts (or is at least superposed over) each of said flanges.
  • the stiffness of the constructional element can be further increased if the cover plate is preferably combined with the basic body by means of apertures or slots arranged one above the other, through which the plastics material passes and extends beyond the plane of the apertures or slots. A kind of riveted plastics connection is thereby produced.
  • each of the cover plate and the flanges have a plurality of perforations, each perforation having a plane, at least some of the perforations of the cover plate and flanges are aligned with each other, the aligned perforations form a plurality of aligned perforations each having a plane, the cover plate is fixedly attached to the basic body by means of plastics material extending through and beyond the plain of least some of the aligned perforations.
  • the perforations of the aligned perforations may be selected from apertures and/or slots.
  • connection between the closure plate and the shell-shaped basic body or the lightweight constructional element may be effected by means of a welded or bonded joint, and/or an additional sealing element such as a rubber seal may be inserted.
  • a preferred lightweight constructional element which is characterised in that the attachment point of the cover plate to the basic body is closed in an airtight manner by means of a welded or bonded joint or by means of a sealing agent, in particular a rubber seal.
  • the cover plate in an embodiment of the present invention, forms an airtight seal over the interior space of the basic body by means of a welded joint, a bonded joint and/or a sealing agent positioned between each of the flanges and at least a portion of the cover plate that is fixedly attached to each of the flanges.
  • a preferred form of the lightweight constructional element in which the interior of the basic body has at least one dividing wall, in particular of thermoplastic plastics material, has proved successful in separately accommodating a plurality of conduits.
  • Sheet metal preferably steel or aluminum sheet, diecast metal, in particular aluminum, zinc or magnesium, or fiber-reinforced plastics material or composite material may be used as the preferred material for the basic body and optionally the cover plate of the lightweight constructional element.
  • a plastics material selected from the series: polycarbonate, polyester, in particular PET or PBT, polyurethane, polystyrene, polyamide, polyalkylene, in particular polypropylene, is used.
  • these elements can be used in the vehicle industry as instrument panel supports or so-called cross-car beams (CCBs).
  • CBs cross-car beams
  • further constructional elements such as trim or functional parts for the dashboard area can be directly molded on to the exterior areas of the basic body or the ribbing, using the injection-molding process.
  • discrete attachment points include a plurality of perforations, a plurality of beads and/or a plurality of protrusions.
  • the reinforcing ribs are preferably fixedly attached to the outer surface of the basic body by means of a process of molding plastics material onto the exterior surface of the basic body, the molded-on plastics material at least one of: (i) extends through at least some of the perforations and into the interior space of the basic body; (ii) fills at least some of the slots; (iii) fills at least some of the beads; and (iv) encases at least partially at least some of the protrusions.
  • the process of molding plastics material onto the exterior surface of the basic body includes: (i) injection-molding (in the case of thermoplastic, materials): (ii) reaction-injection-molding (in the case of thermoset plastics materials, such as 2-pack thermoset or thermosetable polyurethane compositions); and (iii) a combination of injection-molding and reaction-injection-molding (in the case of plastics compositions that include both thermoplastic materials and thermoset plastic materials or components).
  • the invention therefore further relates to the application of a lightweight constructional element according to the invention as a structural component or support structure for motor vehicle or aircraft construction, in particular as a support structure with a channel for wiring or gas, particularly preferably with an air channel, and particularly preferably as an instrument panel support or cross-car beam.
  • Articles of manufacture that may include the lightweight constructional element of the present invention include, but are not limited to: a structural component of a motor vehicle; a structural component of an aircraft; and a structural component having a channel for receiving at least one of a cable and a gas.
  • Further articles of manufacture that may include the lightweight constructional element of the present invention include, but are not limited to: an instrument panel support; and a cross-car beam.
  • the reinforcing ribs, of the lightweight constructional element form a continuous unitary structure on the exterior surface of the basic body.
  • a U-shaped profile section (basic body or shell) 1 of sheet steel (thickness 0.8 mm) with angled flanges 8 (in the rim region 29 ) is provided on its exterior with cruciform ribs 2 a of thermoplastic plastics material (e.g., of glass-fiber reinforced PA 6).
  • the ribbing is molded on to the profile section using the injection-molding process, as described previously herein.
  • a cover 5 a Disposed across the interior of the profile section 1 is a cover 5 a which is permanently fixed to the rim 8 of the profile section 1 by means of a molded rim encasement 4 .
  • the profile section 1 has perforations in the form of apertures 3 through which the thermoplastic material passes.
  • the plastics material here forms a riveted connection 3 a similar to that depicted in FIG. 3.
  • the profile section 1 according to FIG. 1 forms part of a heated air conduit.
  • FIG. 2 represents a profile section 1 , similar to that of Example 1, in which the profile section 1 has doubly-angled reinforcing flanges 8 .
  • the lateral reinforcing ribs 2 b are disposed perpendicularly with respect to the extension and flanges of the profile section.
  • the ribs 2 b are attached at profile section slots 3 f by means of thermoplastic material passing through the profile section 1 .
  • the profile section is formed as an open box section.
  • the internal surfaces 20 are encased by thermoplastic plastics material 9 , which can be seen in cross-section.
  • the profile section 1 has a cover plate 5 a which is attached to the profile section 1 by means of bonding agent 6 .
  • attachment by a welded edge joint can also be provided (not shown).
  • a welded joint the same material/plastics material may be used for the cover plate as for the adjoining interior encasement.
  • the cover plate 5 a is manufactured, in this case, from glass-fiber reinforced thermoset material.
  • FIG. 3 Three variants of attachment points are shown in cross-section in FIG. 3: a simple aperture 3 a , a trapezoidal bead 3 b , and a hemispherical protrusion 3 c.
  • the profile section 1 has doubly-angled flanges 8 which are encased in thermoplastic plastics material 4 and, in combination with the attachment points 3 a, 3 b, 3 c, ensure the strength of the composite.
  • cover plates 5 a may have reinforcing beads 7 disposed in a longitudinal, transverse or cruciform manner.
  • FIG. 4 a metal profile 1 is shown in cross-section, which has external plastic ribbing 2 a, 2 b, similarly to the profile section according to Example 2.
  • the thermoplastic material passes through the profile section basic body 1 at the apertures 3 a, 3 e or the slots 3 f and forms attachment points.
  • a metal cover 5 b which is seated directly on the metal profile 1 and forms therewith an electrically shielded channel 26 .
  • Apertures 3 g in the cover 5 b are disposed directly above the apertures 3 e or slots 3 f in the profile section 1 and are riveted by means of the plastics material to the profile section 1 .
  • the profile section also has over its entire exterior surface 23 an outer encasement 10 of the same thermoplastic material as the ribs 2 a, 2 b.
  • the attachment points 3 d, 3 e, 3 f do not need to be located directly in the area of the ribs 2 a, 2 b.
  • the process of attaching a metal cover plate 5 b may be executed directly by the normal injection-molding process of the lightweight constructional element or using the so-called “in-mold-assembly-process”, instead of a conventional joining process (bonding, welding 6 ).

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Transportation (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Structural Engineering (AREA)
  • Architecture (AREA)
  • General Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Instrument Panels (AREA)
  • Injection Moulding Of Plastics Or The Like (AREA)
  • Body Structure For Vehicles (AREA)
  • Laminated Bodies (AREA)
  • Connection Of Plates (AREA)
  • Lining Or Joining Of Plastics Or The Like (AREA)
  • Reinforcement Elements For Buildings (AREA)
  • Rod-Shaped Construction Members (AREA)
US10/373,240 2002-02-28 2003-02-24 Lightweight constructional element with external ribbing Abandoned US20030159261A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10208953 2002-02-28
DE10208953.1 2002-02-28

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US20030159261A1 true US20030159261A1 (en) 2003-08-28

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US10/373,240 Abandoned US20030159261A1 (en) 2002-02-28 2003-02-24 Lightweight constructional element with external ribbing

Country Status (8)

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US (1) US20030159261A1 (pt)
EP (1) EP1340668A3 (pt)
JP (1) JP2004156770A (pt)
KR (1) KR20030071555A (pt)
CN (1) CN1441191A (pt)
BR (1) BR0300311A (pt)
CA (1) CA2419843A1 (pt)
MX (1) MXPA03001825A (pt)

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FR2884214A1 (fr) * 2005-04-07 2006-10-13 Faurecia Bloc Avant Element structurel pour vehicule automobile, vehicule automobile correspondant, et procede de fabrication d'un tel element structurel.
US20080118708A1 (en) * 2006-08-28 2008-05-22 Suzuki Motor Corporation Molded plastic part
US20090202761A1 (en) * 2006-05-04 2009-08-13 Lanxess Lightweight component of hybrid design
US20090309387A1 (en) * 2008-06-13 2009-12-17 Goral Thomas M Plastic crush countermeasure for vehicles
US20100109382A1 (en) * 2007-02-09 2010-05-06 Lanxess Deutschland Gmbh Lightweight component in hybrid construction
US20100173126A1 (en) * 2008-11-19 2010-07-08 Lanxess Deutschland Gmbh Lightweight component of hybrid
US20130133771A1 (en) * 2011-11-29 2013-05-30 Zephyros, Inc. Multi-part insert
CN109424845A (zh) * 2017-08-30 2019-03-05 冷鹭浩 单层塑料复合板
WO2020021000A1 (en) * 2018-07-26 2020-01-30 Sabic Global Technologies B.V. Vehicle component comprising metal insert and strut component
US10583629B2 (en) * 2015-02-06 2020-03-10 Kobe Steel, Ltd. Joining structure

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DE10221709A1 (de) * 2002-05-16 2004-03-04 Hella-Behr Fahrzeugsysteme Gmbh Leichtbauteil für Trägerelemente von Kraftfahrzeugen
DE102004049393A1 (de) * 2003-10-08 2005-07-07 Behr Gmbh & Co. Kg Bauteil, Verwendung eines Bauteils sowie Verfahren zur Herstellung eines Bauteils, insbesondere eines Querträgers für ein Fahrzeug
DE202005003080U1 (de) * 2005-02-25 2006-07-06 Magna Automotive Services Gmbh Modulträger
DE102005010331A1 (de) * 2005-03-03 2006-09-07 Behr Gmbh & Co. Kg Querträger oder Strukturbauteil für ein Kraftfahrzeug
FR2885585B1 (fr) * 2005-05-16 2008-12-19 Faurecia Bloc Avant Ensemble d'ossature pour vehicule automobile, et vehicule automobile correspondant.
DE102007060628A1 (de) 2007-12-15 2009-06-18 Daimler Ag Verfahren zur Herstellung von Verbundbauteilen
DE102009040861A1 (de) * 2009-09-09 2011-03-10 Bayerische Motoren Werke Aktiengesellschaft Gussteil, insbesondere für Fahrzeuge
DE102011111745A1 (de) 2011-08-24 2013-02-28 Daimler Ag Steuergehäusemodul und Herstellungsverfahren
FR2979884B1 (fr) * 2011-09-13 2014-05-02 Valeo Systemes Thermiques Piece de structure, notamment longeron de face avant de vehicule, et procede de fabrication d'une telle piece
CN106369265A (zh) * 2016-10-18 2017-02-01 山东能源重型装备制造集团有限责任公司 一种金属表面凸起结构
DE102016222717A1 (de) * 2016-11-18 2018-05-24 Dr. Ing. H.C. F. Porsche Ag Integralbauteil eines Kfz-Rahmens
JP6894355B2 (ja) * 2017-11-27 2021-06-30 トヨタ自動車株式会社 樹脂製ラジエータサポートダクト
FR3090509B1 (fr) * 2018-12-19 2022-04-29 Valeo Systemes Thermiques Boîtier pour module de face avant d’un véhicule automobile
FR3094325B1 (fr) * 2019-03-25 2021-02-19 Renault Sas Piece de fonderie d’un vehicule automobile
US11695174B2 (en) 2019-07-18 2023-07-04 GM Global Technology Operations LLC Battery-cell tab direct cooling using a multi-material cooling module
DE202020005977U1 (de) 2020-08-03 2023-12-01 Elringklinger Ag Karosserieeinheit, Karosserie und Fahrzeug
DE102020120452A1 (de) * 2020-08-03 2022-02-03 Elringklinger Ag Karosserieeinheit, Karosserie und Fahrzeug sowie Verfahren zur Herstellung derselben

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CA2419843A1 (en) 2003-08-28
MXPA03001825A (es) 2004-10-29
EP1340668A3 (de) 2003-09-17
KR20030071555A (ko) 2003-09-03
BR0300311A (pt) 2004-08-03
CN1441191A (zh) 2003-09-10
EP1340668A2 (de) 2003-09-03
JP2004156770A (ja) 2004-06-03

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