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WO2018119255A1 - Système de pare-chocs coulé et son procédé de fabrication - Google Patents

Système de pare-chocs coulé et son procédé de fabrication Download PDF

Info

Publication number
WO2018119255A1
WO2018119255A1 PCT/US2017/067934 US2017067934W WO2018119255A1 WO 2018119255 A1 WO2018119255 A1 WO 2018119255A1 US 2017067934 W US2017067934 W US 2017067934W WO 2018119255 A1 WO2018119255 A1 WO 2018119255A1
Authority
WO
WIPO (PCT)
Prior art keywords
alloy
crash box
bumper beam
cast
bumper
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.)
Ceased
Application number
PCT/US2017/067934
Other languages
English (en)
Inventor
Edward K. STEINEBACH
Jeffrey Jay MELLIS
Jeremiah John BRADY
Richard Lee WINFREE
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.)
MAGNA INTERNATIONAL Inc
Magna International Inc
Original Assignee
MAGNA INTERNATIONAL Inc
Magna International 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
Priority claimed from US15/386,135 external-priority patent/US10202091B2/en
Application filed by MAGNA INTERNATIONAL Inc, Magna International Inc filed Critical MAGNA INTERNATIONAL Inc
Priority to CA3045039A priority Critical patent/CA3045039A1/fr
Priority to DE112017006450.3T priority patent/DE112017006450T5/de
Priority to CN201780078846.9A priority patent/CN110099821A/zh
Publication of WO2018119255A1 publication Critical patent/WO2018119255A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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
    • B60R19/24—Arrangements for mounting bumpers on vehicles
    • B60R19/26—Arrangements for mounting bumpers on vehicles comprising yieldable mounting means
    • B60R19/34—Arrangements for mounting bumpers on vehicles comprising yieldable mounting means destroyed upon impact, e.g. one-shot type
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D19/00—Casting in, on, or around objects which form part of the product
    • B22D19/04—Casting in, on, or around objects which form part of the product for joining parts
    • 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
    • B60R2019/1806—Structural beams therefor, e.g. shock-absorbing
    • B60R2019/1813—Structural beams therefor, e.g. shock-absorbing made of metal

Definitions

  • the subject invention is related to a vehicle bumper system including a bumper beam and a crash box.
  • the subject invention is also related to a method of manufacturing the bumper system.
  • Vehicle bumper assemblies are known for providing energy absorbing characteristics.
  • Body structures of a vehicle are provided with so-called crash boxes.
  • Such crash boxes are disposed on the end of a frame member of a vehicle body structure so as to absorb an impact load of certain predetermined value, thereby eliminating deformation of the frame member of the vehicle body.
  • Bumper assemblies include a bumper beam typically extending laterally across the front or rear of a vehicle and provided generally for absorbing energy during a frontal or rear impact.
  • Such bumper beams are disposed under a cosmetic or fascia bumper and are mounted to a vehicle frame with use of the so-called crash boxes referred to above.
  • the crash-boxes are designed to fold upon such frontal or rear impacts.
  • crash boxes are mounted to the vehicle frame and the bumper beam by many different means including, without limitation, welding, adhesives, fasteners, etc.
  • Such crash boxes and bumper beams can be made of many different types of materials including, without limitation, steel, aluminum, and/or magnesium.
  • such crash boxes and bumper beams are manufactured by way of extrusion, steel roll forming, or hot stamping manufacturing processes.
  • the subj ect invention includes a bumper beam system including a bumper beam that is cast from metal and has at least a first portion comprised of a first alloy and a second portion comprised of a second alloy that is different than the first alloy.
  • the subject invention also includes a method of manufacturing a bumper beam system that comprises metal casting a bumper beam having at least a first portion comprised of a first alloy and a second portion comprised of a second alloy that is different than the first alloy.
  • the subj ect invention further includes a crash box comprising at least a first portion and a second portion that are each integrally cast from metal.
  • the first portion is comprised of a first alloy and the second portion is comprised of a second alloy that is different than the first alloy.
  • the subj ect invention also includes a method of manufacturing a crash box that includes integrally metal casting a first portion and a second portion of the crash box, wherein the first portion of the crash box is comprised of a first alloy and the second portion of the crash box is comprised of a second alloy that is different than the first alloy.
  • the subj ect invention further includes a bumper beam system having a bumper beam and a crash box that are each integrally cast from metal.
  • the bumper beam includes at least a first bumper beam portion that is comprised of a first bumper beam alloy
  • the crash box includes at least a first crash box portion comprised of a first crash box alloy that is different than the first bumper beam alloy.
  • the subject invention also includes a method of manufacturing a bumper system that comprises metal casting a bumper beam and a crash box integrally with one another, wherein the bumper beam includes a first bumper beam portion comprised of a first bumper beam alloy, and the crash box includes a first crash box portion comprised of a first crash box alloy that is different than the first bumper beam alloy.
  • a bumper system or crash box according to the subject invention is advantageous because making the bumper system or crash box of different alloys allows different regions or portions of the bumper system or crash box to be specialized for predetermined performance and mass characteristics.
  • a first region or portion of the bumper system and/or crash box intended to crush during an impact can be comprised of an alloy that has excellent crush and energy absorbing characteristics
  • a second region or portion intended to transfer energy during an impact can be comprised of an alloy that has higher strength and different energy absorbing characteristics.
  • Figure 1 is a perspective view of a cast bumper beam
  • Figure 2 is a top view of the cast bumper beam illustrating a plurality of reinforcement ribs integrally cast therewith;
  • Figure 3 is a perspective view of a first embodiment of the bumper system illustrating the cast bumper beam secured to a crash box;
  • Figure 4 is a perspective view of a second embodiment of the bumper system illustrating a cast crash box secured to a bumper beam;
  • Figure 5 is a perspective view of a third embodiment of the bumper system illustrating a cast bumper beam integral with a cast crash box;
  • Figure 6 is a top view of the third embodiment of the bumper system illustrating a plurality of reinforcement ribs integrally cast with the cast bumper beam;
  • Figure 7A is a perspective view of a fourth embodiment of the bumper system including a W-shaped cast bumper beam integral with a cast crash box;
  • Figure 7B is a top view of the fourth embodiment of the bumper system
  • Figure 7C is a front view of the fourth embodiment of the bumper system
  • Figure 7D is a cross-sectional view taken along A-A of Figure 7A;
  • Figure 8A is a perspective view of a fifth embodiment of the bumper system including an H-shaped cast bumper beam integral with a cast crash box and each of the cast bumper beam and cast crash box having open top and bottom surfaces;
  • Figure 8B is a top view of the fifth embodiment of the bumper system
  • Figure 8C is a front view of the fifth embodiment of the bumper system;
  • Figure 8D is a cross-sectional view along B-B of Figure 8A;
  • Figure 8E is a partial perspective view of the fifth embodiment of the bumper system
  • Figure 9A is a perspective view of a sixth embodiment of the bumper system including an H-shaped cast bumper beam integral with a cast crash box having closed top and bottom surfaces;
  • Figure 9B is a top view of the sixth embodiment of the bumper system.
  • Figure 9C is a front view of the sixth embodiment of the bumper system.
  • Figure 9D is a cross-sectional view along C-C of Figure 8A;
  • Figure 9E is a partial perspective view of the sixth embodiment of the bumper system.
  • Figure 1 OA is a top view of the bumper system shown in Figure 8 A illustrating a plurality of weight reduction holes defined by the H-shaped cast bumper beam and the cast crash box;
  • Figure 10B is a top view of the bumper system shown in Figure 9A illustrating a plurality of weight reduction holes defined by the H-shaped cast bumper beam;
  • Figure 11 is a perspective view of a seventh embodiment of the bumper system wherein the bumper system is comprised of several regions or portions each comprised of a different metal alloy;
  • Figure 12 is a perspective view of an eighth embodiment of the bumper system wherein a cast bumper beam is comprised of at least two regions or portions, a crash box is comprised of at least two regions or portions, and wherein each of the regions or portions are comprised of a different alloy.
  • Figure 1 is a perspective view of a cast bumper beam, shown generally at 12, for use in a vehicle bumper system / assembly.
  • vehicle bumper assemblies are known for providing energy absorbing characteristics, and the cast bumper beam 12 typically extends laterally across the front or rear of a vehicle (not shown) and is mounted to a vehicle frame with use of the crash boxes.
  • the cast bumper beam 12 is cast from metal materials, such as aluminum or magnesium, and has a specific design of geometry that can be tuned to meet the energy absorbance and weight requirements for the overall bumper system (not expressly shown). However, other types of metal and/or metal alloys may be selected without departing from the scope of the subject disclosure.
  • the cast bumper beam 12 can have variable, non-constant sections with regard to width, geometry, and/or thickness.
  • the cast bumper beam 12 can include a plurality of reinforcing ribs 14 having a "V" shape that are each cast integrally with the bumper beam 12 and arranged to facilitate controlled crash properties for the overall bumper system (not expressly shown). It should be appreciated that the "V"-shaped reinforcing ribs 14 could also be any number of other shapes depending on the design criteria selected including, without limitation, the amount of structural support desired, weight, and/or the amount of desired crush. As best shown in Figure 3, the cast bumper beam 12 can be mounted to or combined with a crash box 16 that is manufactured according to traditional manufacturing processes, such as extrusion, steel roll forming, hot stamping, or the like, to form a first embodiment of the bumper system, generally shown at 10.
  • FIG. 4 illustrates a second embodiment of the bumper system, shown generally at 20, in which a cast crash box 26 is be mounted to or combined with a bumper beam 22 manufactured according to traditional manufacturing processes, such as extrusion, steel roll forming, hot stamping, or the like.
  • the cast crash box 26 is cast from metal materials, such as aluminum or magnesium, and has a specific design of geometry that can be tuned to meet the energy absorbance and weight requirements for the overall bumper system 20.
  • the cast crash box 26 can be welded to the bumper beam 22, however many other different means, including, without limitation, adhesives, fasteners, or the like, can also be used without departing from the scope of the subject disclosure.
  • FIG. 5 illustrates a third embodiment of the bumper system, shown generally at 30, which includes a cast bumper beam 32 integral with a cast crash box 36.
  • the cast bumper beam 32 and the cast crash box 36 are manufacturing integral with one another during the same casting process.
  • Each of the cast bumper beam 32 and the cast crash box 36 are cast from metal materials, such as aluminum or magnesium, however, other types of metal and/or metal alloys may be selected without departing from the scope of the subject disclosure.
  • Each of the cast bumper beam 32 and cast crash box 36 have a specific design of geometry that can be tuned to meet the energy absorbance and weight requirements for the overall bumper system 30, with one or both of these components having variable, non-constant sections with regard to width, geometry, and/or thickness.
  • the third embodiment of the bumper system advantageously does not require a weld, adhesive, or other fastener to effectuate securement of the cast crash box 36 to the cast bumper beam 32. Accordingly, the third embodiment of the bumper system 30 reduces manufacturing steps and costs, and results in a bumper system that is stronger, cheaper, and lighter over prior art designs.
  • the bumper system 30 can be
  • the cast crash box 36 can also include a mounting plate 38 cast integral therewith for use in mounting the bumper system 30 to a vehicle frame (not expressly shown).
  • the cast bumper beam 32 can also include a plurality of reinforcing ribs 34 having a "V" shape that are each cast integrally with the cast bumper beam 32 and arranged to facilitate controlled crash properties for the overall bumper system (not expressly shown). It should be appreciated that the "V"-shaped reinforcing ribs 34 could also be any number of other shapes depending on the design criteria selected including, without limitation, the amount of structural support desired, weight, and/or the amount of desired crush.
  • FIGS 7A-7D illustrate a fourth embodiment of the bumper system, shown generally at 40, which includes a cast bumper beam 42 integral with a cast crash box 46. Similar to the third embodiment, the cast bumper beam 42 and the cast crash box 46 of the fourth embodiment of the bumper system 40 are also manufactured integral with one another during the same casting process. Each of the cast bumper beam 42 and the cast crash box 46 are cast from metal materials, such as aluminum or magnesium, however, other types of metal and/or metal alloys may be selected without departing from the scope of the subject disclosure.
  • Each of the cast bumper beam 42 and cast crash box 46 have a specific design of geometry that can be tuned to meet the energy absorbance and weight requirements for the overall bumper system 40, with one or both of these components having variable, non-constant sections with regard to width, geometry, and/or thickness.
  • the fourth embodiment of the bumper system also advantageously does not require a weld, adhesive, or other fastener to effectuate securement of the cast crash box 46 to the cast bumper beam 42. Accordingly, the fourth embodiment of the bumper system 30 reduces manufacturing steps and costs, and results in a bumper system that is stronger, cheaper, and lighter over prior art designs.
  • each of the cast crash boxes 46 define an internal cavity 47 and the cast bumper beam 42 defines a plurality of front openings 44 each disposed adj acent to and in communication with a respective internal cavity 47 of the cast crash boxes 46.
  • the incorporation of the front openings 44 into the cast bumper beam 42 improves the manufacturability of the cast bumper system 40.
  • the cast bumper beam can also be cast to have a "W" shape extending along at least a portion of its length to facilitate controlled crash properties for the bumper system 40.
  • FIGS 8A-8E illustrate a fifth embodiment of the bumper system, shown generally at 50, which includes a cast bumper beam 52 integral with a cast crash box 56.
  • the cast bumper beam 52 and the cast crash box 56 of the fifth embodiment of the bumper system 50 are also present.
  • Each of the cast bumper beam 52 and the cast crash box 56 are cast from metal materials, such as aluminum or magnesium, however, other types of metal and/or metal alloys may be selected without departing from the scope of the subj ect disclosure.
  • Each of the cast bumper beam 52 and the cast crash box 56 have a specific design of geometry that can be tuned to meet the energy absorbance and weight requirements for the overall bumper system 50, with one or both of these components having variable, non-constant sections with regard to width, geometry, and/or thickness.
  • the fifth embodiment of the bumper system 50 also advantageously does not require a weld, adhesive, or other fastener to effectuate securement of the cast crash box 56 to the cast bumper beam 52. Accordingly, the fifth embodiment of the bumper system 50 reduces manufacturing steps and costs, and results in a bumper system that is stronger, cheaper, and lighter over prior art designs.
  • each of the cast bumper beam 52 and cast crash boxes 56 are open along a top and bottom portion to improve the
  • the cast bumper beam 52 can include a plurality of reinforcing ribs 54 having a "V" shape that are each cast integrally with the bumper beam 52 and the cast crash boxes 56 can include a plurality of reinforcing ribs 58 having an "X" shape that are each cast integrally with the crash box 56.
  • the reinforcing ribs 54, 58 are arranged to facilitate controlled crash properties for the bumper system 50.
  • the "V"-shaped and "X"- shaped reinforcing ribs 54, 58 could also be any number of other shapes depending on the design criteria selected including, without limitation, the amount of structural support desired, weight, and/or the amount of desired crush.
  • the cast bumper beam 52 can also be cast to have an ⁇ " shape and define an additional horizontal or transverse rib 59 extending along at least a portion of the length to further control the crash properties of the bumper system 50.
  • Figures 9A-9E illustrate a sixth embodiment of the bumper system, shown generally at 60, which includes a cast bumper beam 62 integral with a cast crash box 66. Similar to the third, fourth, and fifth embodiments, the cast bumper beam 62 and the cast crash box 66 of the sixth embodiment of the bumper system 60 are manufactured integral with one another during the same casting process. Each of the cast bumper beam 62 and the cast crash box 66 are cast from metal materials, such as aluminum or magnesium, however, other types of metal and/or metal alloys may be selected without departing from the scope of the subject disclosure.
  • Each of the cast bumper beam 62 and cast crash box 66 have a specific design of geometry that can be tuned to meet the energy absorbance and weight requirements for the overall bumper system 60, with one or both of these components having variable, non-constant sections with regard to width, geometry, and/or thickness.
  • the sixth embodiment of the bumper system 60 also advantageously does not require a weld, adhesive, or other fastener to effectuate securement or mounting of the cast crash box 66 to the cast bumper beam 62. Accordingly, the sixth embodiment of the bumper system 60 reduces manufacturing steps and costs, and results in a bumper system that is stronger, cheaper, and lighter over prior art designs.
  • the cast bumper beam 62 is open along a top and bottom portion of the bumper system 60, while the cast crash box 66 is closed along these same portions.
  • the cast bumper beam 62 can include a plurality of reinforcing ribs 64 having a "V" shape that are each cast integrally with the cast bumper beam 62.
  • the "V"- shaped reinforcing ribs 64 could also be any number of other shapes depending on the design criteria selected including, without limitation, the amount of structural support desired, weight, and/or the amount of desired crush.
  • the cast bumper beam 62 can also be cast to have an ⁇ " shape and define an additional horizontal or transverse rib 69 extending along at least a portion of the length to further control the crash properties of the bumper system 60.
  • Figures 10A and 10B illustrate an alternative arrangement of the fifth and sixth embodiments of the bumper system 50, 60, respectively, in which the horizontal or transverse rib 59, 69 of the bumper beam 52, 62 defines a plurality of weight reduction holes 70 to further reduce the overall weight of the cast bumper system 50, 60.
  • the cast crash box 56 can also define a plurality of weight reduction holes to even further reduce the overall weight of the cast bumper system 50.
  • any of the aforementioned embodiments of the subject bumper system may be manufactured such that they are comprised of multiple grades of alloys at various regions or portions of the metal cast bumper system to allow the bumper system to be efficiently tuned to meet certain vehicle performance requirements. More specifically, as illustrated in Figures 11 and 12, the bumper system 70, 80 may be divided into a plurality of regions or portions A, B, C, D, E, F, G with at least two of the regions or portions A, B, C, D, E, F, G comprised of different alloys than one another such that each region or portion A, B, C, D, E, F, G may be specialized and tuned for predetermined performance and mass characteristics.
  • a metal cast bumper beam 72 makes up the first region A
  • a plurality of cast reinforcing ribs 74, 78 of the metal cast bumper beam 72 or metal cast crash boxes 76 make up the second region B
  • a part of the metal cast crash boxes 76 makes up the third region C.
  • an alloy that has excellent crush and energy absorbing characteristics can be selected for the second region B (the reinforcing ribs 74, 78), or other parts of the system that will be crushed on impact.
  • an alloy that has higher strength can be selected for the first region A (the bumper beam 72), or other parts of the bumper system 70 that are intended to transfer energy instead of absorb energy.
  • Figure 11 demonstrates that different components of the metal cast bumper system 70 can be comprised of different alloys than one another. It should be appreciated that in this and the other embodiments of the subject invention, the cast bumper beam 72 and crash box 76 may either be integrally connected or non-integrally connected, e.g., mechanically connected, to one another.
  • the cast bumper beam 82 includes a first bumper beam portion E at a central region of the cast bumper beam 82 and which is comprised of a first bumper beam alloy.
  • the cast bumper beam 82 also includes a second bumper beam portion D that is located at the outer regions of the bumper beam 82 on opposing sides of the central region E, and which is comprised of a second bumper beam alloy.
  • the first and second bumper beam alloys are different than one another to refine and tune the performance characteristics of the metal cast bumper system 80.
  • a pair of cast crash boxes 86 each include a first crash box region F that is located at a rearward region of the crash box 86 and comprised of a first crash box alloy.
  • the pair of cast crash boxed 86 each also include a second crash box region G that is located at a forward region of the crash box 86 between the rearward region F and the bumper beam 82 and comprised of second crash box alloy.
  • the first and second crash box alloys are different than one another as well as the first and second bumper beam alloys to refine and tune the performance characteristics of the metal cast crash boxes 86.
  • the metal cast crash boxes 86 are configured to have different performance characteristics across their lengths.
  • various other components and/or combinations of components can comprise regions or portions of different alloys and more than two different regions or portions can extend along the metal cast bumper beam.
  • various alloys may be utilized including, but not limited to, aluminum- based, e.g., 5000, 6000, or 7000 series aluminum alloys, magnesium-based, and iron-based alloys.
  • one or both of the bumper beam or the crash box in any of the aforementioned embodiments of the bumper system can also be cast to incorporate various design features including but not limited to: head lamps, ambient air sensors, pedestrian brackets, collision avoidance sensors, a hood latch, pedestrian protection systems, horns, grilles, fog lamps, toe hooks, threaded inserts, and neoprene shock absorption materials.
  • the cast bumper system can incorporate design features and shapes that would otherwise have to be welded onto prior art bumper assemblies, or stretch bent into prior art bumper assemblies.
  • the cast bumper system avoids the machining and welding operations that are required to incorporate these features into prior art bumper assemblies manufactured by way of extrusion, steel roll forming, hot stamping, or the like.
  • the cast bumper beam in any of the aforementioned embodiments of the bumper system can also be cast to have a "U"- shape or "C"-shape extending along a portion of its length.
  • one or both of the bumper beam or the crash box in any of the aforementioned embodiments of the bumper system can also include absorption inserts placed anywhere within or along the bumper system.

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

Abstract

L'invention concerne un système de poutre de pare-chocs qui comprend une poutre de pare-chocs coulée à partir de métal et dont au moins une première partie est composée d'un premier alliage et une seconde partie est composée d'un second alliage, différent du premier alliage. L'invention concerne également une boîte de collision ("crash-box") qui comprend une première partie composée d'un premier alliage et une seconde partie composée d'un second alliage, différent du premier alliage. De plus, l'invention concerne un système de poutre de pare-chocs doté d'une poutre de pare-chocs et d'une boîte de collision. La poutre de pare-chocs comprend au moins une première partie de poutre de pare-chocs qui est constituée d'un premier alliage, et la boîte de collision comprend au moins une première partie de boîte de collision constituée d'un premier alliage de boîte de collision. L'invention concerne également des procédés de fabrication du système de poutre de pare-chocs et des boîtes de collision.
PCT/US2017/067934 2016-12-21 2017-12-21 Système de pare-chocs coulé et son procédé de fabrication Ceased WO2018119255A1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
CA3045039A CA3045039A1 (fr) 2016-12-21 2017-12-21 Systeme de pare-chocs coule et son procede de fabrication
DE112017006450.3T DE112017006450T5 (de) 2016-12-21 2017-12-21 Guss-Stoßfängersystem und Verfahren zu dessen Herstellung
CN201780078846.9A CN110099821A (zh) 2016-12-21 2017-12-21 铸造保险杠系统及其制造方法

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US15/386,135 US10202091B2 (en) 2014-07-09 2016-12-21 Cast bumper system and method of manufacturing same
US15/386,135 2016-12-21

Publications (1)

Publication Number Publication Date
WO2018119255A1 true WO2018119255A1 (fr) 2018-06-28

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Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2017/067934 Ceased WO2018119255A1 (fr) 2016-12-21 2017-12-21 Système de pare-chocs coulé et son procédé de fabrication

Country Status (4)

Country Link
CN (1) CN110099821A (fr)
CA (1) CA3045039A1 (fr)
DE (1) DE112017006450T5 (fr)
WO (1) WO2018119255A1 (fr)

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WO2020048887A1 (fr) * 2018-09-06 2020-03-12 Thyssenkrupp Steel Europe Ag Dispositif de pare-choc pour un véhicule
WO2020086032A1 (fr) * 2018-10-24 2020-04-30 Istanbul Teknik Universitesi Système de boîte-tampon pour automobile

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WO2016007661A1 (fr) * 2014-07-09 2016-01-14 Magna International Inc. Ensemble pare-chocs coulé et son procédé de fabrication

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CA2570446C (fr) * 2004-07-01 2013-09-17 Magna International Inc. Poutre de pare-chocs pour vehicule a moteur
CN101171157A (zh) * 2005-05-02 2008-04-30 奈特夏普能源管理有限公司 具有装饰件的混合式保险杠
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Publication number Priority date Publication date Assignee Title
US6318775B1 (en) * 1999-06-21 2001-11-20 Shape Corporation Composite bumper construction
US20070271793A1 (en) * 2003-10-20 2007-11-29 Magna International Inc. Hybrid Component
US20050104392A1 (en) * 2003-11-19 2005-05-19 Alcan Technology & Management Ltd. Bumper system
US20130157073A1 (en) * 2010-06-10 2013-06-20 Pascal Paul Charest Bi-Metallic Component And Method
US20120205927A1 (en) * 2011-02-14 2012-08-16 Mazda Motor Corporation Crash can made of aluminum-alloy casting
WO2016007661A1 (fr) * 2014-07-09 2016-01-14 Magna International Inc. Ensemble pare-chocs coulé et son procédé de fabrication

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2020048887A1 (fr) * 2018-09-06 2020-03-12 Thyssenkrupp Steel Europe Ag Dispositif de pare-choc pour un véhicule
WO2020086032A1 (fr) * 2018-10-24 2020-04-30 Istanbul Teknik Universitesi Système de boîte-tampon pour automobile
US11760285B2 (en) 2018-10-24 2023-09-19 Istanbul Teknik Universitesi Automobile crash box system

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DE112017006450T5 (de) 2019-09-19
CA3045039A1 (fr) 2018-06-28
CN110099821A (zh) 2019-08-06

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