WO2003104029A8 - Bumper with integrated foam and non-foam components - Google Patents

Bumper with integrated foam and non-foam components

Info

Publication number
WO2003104029A8
WO2003104029A8 PCT/US2003/017829 US0317829W WO03104029A8 WO 2003104029 A8 WO2003104029 A8 WO 2003104029A8 US 0317829 W US0317829 W US 0317829W WO 03104029 A8 WO03104029 A8 WO 03104029A8
Authority
WO
WIPO (PCT)
Prior art keywords
foam
piece
bumper
energy absorber
different
Prior art date
Application number
PCT/US2003/017829
Other languages
French (fr)
Other versions
WO2003104029A2 (en
WO2003104029A3 (en
Inventor
Mark Weissenborn
Darin Evans
Robert Weykamp
David Powel
Original Assignee
Netshape Corp
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 Netshape Corp filed Critical Netshape Corp
Priority to EP03734439A priority Critical patent/EP1536984B1/en
Priority to JP2004511119A priority patent/JP4295208B2/en
Priority to DE60330678T priority patent/DE60330678D1/en
Priority to AT03734439T priority patent/ATE452795T1/en
Priority to CA002488387A priority patent/CA2488387A1/en
Priority to AU2003238920A priority patent/AU2003238920B2/en
Priority to MXPA04011100A priority patent/MXPA04011100A/en
Publication of WO2003104029A2 publication Critical patent/WO2003104029A2/en
Publication of WO2003104029A8 publication Critical patent/WO2003104029A8/en
Publication of WO2003104029A3 publication Critical patent/WO2003104029A3/en

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C44/00Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
    • B29C44/02Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles for articles of definite length, i.e. discrete articles
    • B29C44/08Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles for articles of definite length, i.e. discrete articles using several expanding or moulding steps
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60RVEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R19/00Wheel guards; Radiator guards, e.g. grilles; Obstruction removers; Fittings damping bouncing force in collisions
    • B60R19/02Bumpers, i.e. impact receiving or absorbing members for protecting vehicles or fending off blows from other vehicles or objects
    • B60R19/18Bumpers, 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
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60RVEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R19/00Wheel guards; Radiator guards, e.g. grilles; Obstruction removers; Fittings damping bouncing force in collisions
    • B60R19/02Bumpers, i.e. impact receiving or absorbing members for protecting vehicles or fending off blows from other vehicles or objects
    • B60R19/04Bumpers, i.e. impact receiving or absorbing members for protecting vehicles or fending off blows from other vehicles or objects formed from more than one section in a side-by-side arrangement
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60RVEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R19/00Wheel guards; Radiator guards, e.g. grilles; Obstruction removers; Fittings damping bouncing force in collisions
    • B60R19/02Bumpers, i.e. impact receiving or absorbing members for protecting vehicles or fending off blows from other vehicles or objects
    • B60R19/18Bumpers, 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
    • B60R2019/1806Structural beams therefor, e.g. shock-absorbing
    • B60R2019/1813Structural beams therefor, e.g. shock-absorbing made of metal
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60RVEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R19/00Wheel guards; Radiator guards, e.g. grilles; Obstruction removers; Fittings damping bouncing force in collisions
    • B60R19/02Bumpers, i.e. impact receiving or absorbing members for protecting vehicles or fending off blows from other vehicles or objects
    • B60R19/18Bumpers, 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
    • B60R2019/1806Structural beams therefor, e.g. shock-absorbing
    • B60R2019/1833Structural beams therefor, e.g. shock-absorbing made of plastic material
    • B60R2019/1846Structural beams therefor, e.g. shock-absorbing made of plastic material comprising a cellular structure
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60RVEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R19/00Wheel guards; Radiator guards, e.g. grilles; Obstruction removers; Fittings damping bouncing force in collisions
    • B60R19/02Bumpers, i.e. impact receiving or absorbing members for protecting vehicles or fending off blows from other vehicles or objects
    • B60R19/18Bumpers, 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
    • B60R2019/186Additional energy absorbing means supported on bumber beams, e.g. cellular structures or material
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60RVEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R19/00Wheel guards; Radiator guards, e.g. grilles; Obstruction removers; Fittings damping bouncing force in collisions
    • B60R19/02Bumpers, i.e. impact receiving or absorbing members for protecting vehicles or fending off blows from other vehicles or objects
    • B60R19/18Bumpers, 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
    • B60R2019/186Additional energy absorbing means supported on bumber beams, e.g. cellular structures or material
    • B60R2019/1866Cellular structures
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60RVEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R19/00Wheel guards; Radiator guards, e.g. grilles; Obstruction removers; Fittings damping bouncing force in collisions
    • B60R19/02Bumpers, i.e. impact receiving or absorbing members for protecting vehicles or fending off blows from other vehicles or objects
    • B60R19/18Bumpers, 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
    • B60R2019/186Additional energy absorbing means supported on bumber beams, e.g. cellular structures or material
    • B60R2019/1873Cellular materials
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00Metal working
    • Y10T29/49Method of mechanical manufacture
    • Y10T29/49616Structural member making
    • Y10T29/49622Vehicular structural member making
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00Metal working
    • Y10T29/49Method of mechanical manufacture
    • Y10T29/4998Combined manufacture including applying or shaping of fluent material

Abstract

A bumper system includes a bumper beam having a face and ends, and an energy absorber mounted on the face. The energy absorber has a one-piece injection-molded non-foam piece with box sections and interconnecting straps, and a one-piece or multipiece foam component securely insert-molded onto the injection-molded non-foam piece. Different foam can be used to form differently shaped front surfaces on the foam component. By this arrangement, different energy absorbing systems are provided for vehicles, such as to satisfy the need for different styling and shapes, while still using the same non-foam piece. By this arrangement, the energy absorber is a single unit that can be handled and attached to the bumper beam. At the same time, capital investment in molding dies and tooling is reduced.
PCT/US2003/017829 2002-06-06 2003-06-06 Bumper with integrated foam and non-foam components WO2003104029A2 (en)

Priority Applications (7)

Application Number Priority Date Filing Date Title
EP03734439A EP1536984B1 (en) 2002-06-06 2003-06-06 Bumper with integrated foam and non-foam components
JP2004511119A JP4295208B2 (en) 2002-06-06 2003-06-06 Bumper with integrated foam and non-foam components
DE60330678T DE60330678D1 (en) 2002-06-06 2003-06-06 BUMPERS WITH INTEGRATED FOAM AND FOAM-FREE COMPONENTS
AT03734439T ATE452795T1 (en) 2002-06-06 2003-06-06 BUMPERS WITH INTEGRATED FOAM AND FOAM-FREE COMPONENTS
CA002488387A CA2488387A1 (en) 2002-06-06 2003-06-06 Bumper with integrated foam and non-foam components
AU2003238920A AU2003238920B2 (en) 2002-06-06 2003-06-06 Bumper with integrated foam and non-foam components
MXPA04011100A MXPA04011100A (en) 2002-06-06 2003-06-06 Bumper with integrated foam and non-foam components.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US10/163,586 US6672635B2 (en) 2002-06-06 2002-06-06 Bumper with integrated foam and non-foam components
US10/163,586 2002-06-06

Publications (3)

Publication Number Publication Date
WO2003104029A2 WO2003104029A2 (en) 2003-12-18
WO2003104029A8 true WO2003104029A8 (en) 2004-02-26
WO2003104029A3 WO2003104029A3 (en) 2005-04-07

Family

ID=29710004

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2003/017829 WO2003104029A2 (en) 2002-06-06 2003-06-06 Bumper with integrated foam and non-foam components

Country Status (10)

Country Link
US (4) US6672635B2 (en)
EP (1) EP1536984B1 (en)
JP (1) JP4295208B2 (en)
CN (1) CN100366467C (en)
AT (1) ATE452795T1 (en)
AU (1) AU2003238920B2 (en)
CA (1) CA2488387A1 (en)
DE (1) DE60330678D1 (en)
MX (1) MXPA04011100A (en)
WO (1) WO2003104029A2 (en)

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WO2003104029A2 (en) 2003-12-18
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US20040084911A1 (en) 2004-05-06
AU2003238920A1 (en) 2003-12-22
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US6672635B2 (en) 2004-01-06
EP1536984B1 (en) 2009-12-23
ATE452795T1 (en) 2010-01-15
CN1735526A (en) 2006-02-15
US20070085230A1 (en) 2007-04-19
US7172227B2 (en) 2007-02-06
US7340833B2 (en) 2008-03-11
US7052056B2 (en) 2006-05-30
JP4295208B2 (en) 2009-07-15
EP1536984A2 (en) 2005-06-08
EP1536984A4 (en) 2006-05-03
US20030227183A1 (en) 2003-12-11
US20060097527A1 (en) 2006-05-11
CA2488387A1 (en) 2003-12-18

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