WO2000015453A1 - Vehicle door reinforcing beam and method of making it - Google Patents
Vehicle door reinforcing beam and method of making it Download PDFInfo
- Publication number
- WO2000015453A1 WO2000015453A1 PCT/CA1999/000841 CA9900841W WO0015453A1 WO 2000015453 A1 WO2000015453 A1 WO 2000015453A1 CA 9900841 W CA9900841 W CA 9900841W WO 0015453 A1 WO0015453 A1 WO 0015453A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- central
- wall sections
- leg
- blank
- vehicle door
- Prior art date
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60J—WINDOWS, WINDSCREENS, NON-FIXED ROOFS, DOORS, OR SIMILAR DEVICES FOR VEHICLES; REMOVABLE EXTERNAL PROTECTIVE COVERINGS SPECIALLY ADAPTED FOR VEHICLES
- B60J5/00—Doors
- B60J5/04—Doors arranged at the vehicle sides
- B60J5/042—Reinforcement elements
- B60J5/0422—Elongated type elements, e.g. beams, cables, belts or wires
- B60J5/0438—Elongated type elements, e.g. beams, cables, belts or wires characterised by the type of elongated elements
- B60J5/0443—Beams
- B60J5/0444—Beams characterised by a special cross section
Definitions
- This invention relates to vehicle door reinforcement and more particularly the formation of a reinforcing beam for a vehicle door. ⁇
- a typical commercially used beam is constructed of a piece of roll formed channel or flanged channel structure having separate end sections suitably fixed to opposite ends thereof.
- the fabricated structure is made of untempered steel and, after fabrication, the resultant beam structure is tempered in ovens to give it ultrahigh strength characteristics.
- the present invention is based upon gaining the necessary strength by utilizing ultrahigh strength steel as a starting material rather than achieving the desired strength after formation by heat tempering.
- Heat treating sheet steel while it is still in a roll or coil formation is more economical than heat treating individually fabricated structures even though the heat process is made as nearly "continuous" as possible.
- a vehicle door reinforcing beam cut and cold formed from a flat sheet of ultrahigh strength steel comprising a beam blank cut from a flat sheet of ultrahigh strength steel to provide an elongated generally flat central blank portion extending from end to end of the beam blank and integral side blank portions on opposite sides of the central blank portion.
- the central blank portion includes opposite end wall sections constructed and arranged to be fixedly secured to the vehicle door frame and an elongated central wall section extending between the end wall sections.
- the side blank portions include leg wall sections integral with the sides of the central wall section and bent by cold forming in a direction away from a flat surface of the central wall section to form a central reinforcing channel structure having leg section free ends defined by the leg wall sections adjacent the end wall sections and central wall section ends integral with the end wall sections.
- the central blank portion has notches formed therein at positions inwardly of the leg section free ends so as to limit the occurrence of distortional stresses occasioned by the cold form bending of the side wall sections to those insufficient to distort the generally flat extent of the end wall sections with respect to the central wall section.
- the ultrahigh strength steel sheet from which the blank is cut is pretempered and flange wall sections are bent from the leg wall sections to provide a central reinforcing flanged channel structure.
- a method of making a vehicle door reinforcing beam including an elongated generally flat central blank portion and integral side blank portions on opposite sides of the central blank portion, in which the central blank portion including opposite end wall sections constructed and arranged to be fixedly secured to the vehicle door frame and an elongated central wall section extending between the end wall sections and the side blank portions include leg wall sections integral with the sides of the central wall __ section extending in a direction away from a flat surface of the central wall section to form a central reinforcing channel structure having leg section free ends defined by the leg wall sections adjacent the end wall sections and central wall section ends integral with the end wall sections.
- the method comprises cutting a beam blank from a flat sheet of ultrahigh strength steel with an outline defining the central and side blank portions and notches in the central blank portion at positions inwardly of the leg section free ends and bending the leg wall sections from the side of the central wall section in a cold forming operation in such a way that the notches limit the occurrence of distortional stresses to those insufficient to distort the generally flat extent of the end wall sections with respect to the central wall section.
- Figure 1 is a perspective view of a beam reinforced vehicle door embodying the principles of the present invention
- Figure 2 is a perspective view of the vehicle door reinforcing beam shown in dotted lines in Figure 1 which is constructed in accordance with the principles of the present invention
- Figure 3 is a side elevational view of the beam
- Figure 4 is a top plan view of the beam;
- Figure 5 is an enlarged sectional view taken along the line 5-5 of Figure 3;
- Figure 6 is an enlarged sectional view taken along the line 6-6 of Figure 3;
- Figure 7 is an enlarged sectional view taken along the line 7-7 of Figure 3.
- Figure 8 is an enlarged sectional view taken along the line 8-8 of Figure 3.
- the door 10 has a conventional construction which includes an interiorly skeletonized frame 12 made out of sheet metal, an outer skin 14 and an inner __ panel 16.
- the interiorly skeletonized frame 12 is interiorly reinforced by a beam shown in dotted lines in Figure 1 and generally indicated at 18.
- the beam 18 is cold formed in accordance with the principles of the present invention from a beam blank cut from a flat sheet of pretempered ultrahigh strength steel.
- pretempered refers to sheet steel which is heat treated to improve its tensile strength characteristics while in an endless web configuration and excludes steel which has been heat treated for improved tensile strength after being fabricated.
- ultrahigh strength steel is steel having a tensile strength of 120,000 psi (84,373,000 kilograms per square meter) and above.
- the type of steel herein contemplated is the same as those examples set forth described in U.S. Patent No. 5,306,058, the disclosure of which is hereby incorporated by reference into the present specification.
- the outline of the beam blank which is cut from the flat sheet of pretempered ultrahigh strength steel defines the free edges of the beam 18 which is fixedly secured at its ends to the skeletonized frame 12 of the door between the exterior skin 14 and the interior panel 16 thereof by any suitable means such as welding or the like.
- the outline of the beam blank defines an elongated generally flat central blank portion, generally indicated at 20, extending from end to end of the beam blank and integral side blank portions, generally indicated at 22, on opposite sides of the central blank portion 20.
- the central blank portion 20 includes opposite flat end wall sections 24 constructed and arranged to be fixedly secured to the vehicle door frame 12 and an elongated central wall section 26 extending between the end wall sections 24.
- the preferred construction of the end wall sections 24 and the central wall section 26 is such that the oppositely facing flat surfaces defining each are disposed in common parallel planes.
- the side blank portions 22 include leg wall sections 28 integral with the sides of the central wall section 26.
- Leg wall sections 28 are bent by cold forming in a direction away from a flat surface of the central wall section 26 to form a central reinforcing channel structure having a generally U-shape.
- the leg wall sections 28 terminate at leg section free ends 30.
- the central blank portion 20 is formed with notches 32 therein at positions __ outwardly of the leg section free ends 30.
- the end wall sections 24 extend transversely outwardly of the notches 32 and the transverse extent of the elongated central wall section 26.
- the notches 32 are configured to limit the occurrence of distortional stresses occasioned by the cold form bending of the leg wall sections 28 to those insufficient to distort the generally flat extent of the end wall sections 24 with respect to the central wall section 26. In this way, securement of the beam 18 to the door frame 12 in a condition which accurately positions it between the outer skin and inner panel of the door is assured.
- the side blank portions 22 are also bent by cold forming to define a pair of outwardly extending flange wall sections 34 on the central portion of the leg wall sections 28.
- the flange wall sections have opposite ends spaced inwardly from the opposite free ends 30 of the leg wall sections 28.
- the transverse extent of each leg wall section 28 increases from the free ends 30 thereof to the adjacent end of the flange wall section 34 thereon.
- the flange wall sections 34 which have a generally constant transverse extent tend to provide additional strength to the beam 18 and to provide the reinforcing structure as a flanged channel structure to achieve the added strength thereof.
- a beam blank was cut from a sheet of martensitic steel of .062 inches (.15748 cm) thickness having an ultrahigh tensile strength of 220,000 psi (154,682,000 kilograms per square meter).
- the outline of the blank included the central portion 20 and side portions 22 in the configuration shown and the notches 32 in the location and configuration shown.
- the blank was cut in a cold form stamping operation during one cycle of movement of cooperating cutting dies.
- the blank was bent to form the leg wall sections 28 and the flange wall sections 34 in a cold form stamping operation during one cycle of movement of cooperating bending dies.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Body Structure For Vehicles (AREA)
- Bending Of Plates, Rods, And Pipes (AREA)
- Automobile Manufacture Line, Endless Track Vehicle, Trailer (AREA)
- Securing Of Glass Panes Or The Like (AREA)
Abstract
Description
Claims
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
BR9913772-0A BR9913772A (en) | 1998-09-16 | 1999-09-14 | Vehicle door reinforcement beam and process to manufacture the same |
AU56142/99A AU5614299A (en) | 1998-09-16 | 1999-09-14 | Vehicle door reinforcing beam and method of making it |
DE69918140T DE69918140T2 (en) | 1998-09-16 | 1999-09-14 | REINFORCING SUPPORT FOR VEHICLE DOOR AND METHOD OF MANUFACTURING THEREOF |
EP99942687A EP1113941B1 (en) | 1998-09-16 | 1999-09-14 | Vehicle door reinforcing beam and method of making it |
AT99942687T ATE269235T1 (en) | 1998-09-16 | 1999-09-14 | VEHICLE DOOR REINFORCEMENT SUPPORT AND METHOD FOR PRODUCING IT |
CA002338511A CA2338511C (en) | 1998-09-16 | 1999-09-14 | Vehicle door reinforcing beam and method of making it |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10057098P | 1998-09-16 | 1998-09-16 | |
US60/100,570 | 1998-09-16 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2000015453A1 true WO2000015453A1 (en) | 2000-03-23 |
Family
ID=22280427
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/CA1999/000841 WO2000015453A1 (en) | 1998-09-16 | 1999-09-14 | Vehicle door reinforcing beam and method of making it |
Country Status (8)
Country | Link |
---|---|
US (1) | US6227609B1 (en) |
EP (1) | EP1113941B1 (en) |
AT (1) | ATE269235T1 (en) |
AU (1) | AU5614299A (en) |
BR (1) | BR9913772A (en) |
CA (1) | CA2338511C (en) |
DE (1) | DE69918140T2 (en) |
WO (1) | WO2000015453A1 (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1201474A1 (en) * | 2000-10-24 | 2002-05-02 | Benteler Automobiltechnik GmbH & Co. KG | Side intrusion beam |
EP1266780A1 (en) * | 2001-06-11 | 2002-12-18 | Benteler Automobiltechnik GmbH & Co. KG | Sheet as semi-manufactured blank for a side impact protection bar and side impact protection bar for a vehicle |
US7086686B2 (en) | 2002-03-22 | 2006-08-08 | Benteler Automobiltechnik Gmbh | Side impact beam |
Families Citing this family (24)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
IT1310097B1 (en) * | 1999-07-12 | 2002-02-11 | Pietro Passone | REINFORCEMENT BAR FOR VEHICLE BODY COMPONENTS. |
DE50001059D1 (en) * | 2000-08-19 | 2003-02-13 | Benteler Werke Ag | Side impact beams |
US6918224B2 (en) * | 2002-05-01 | 2005-07-19 | Benteler Automotive Corporation | Heat treatment strategically strengthened door beam |
US6676187B1 (en) * | 2002-10-24 | 2004-01-13 | Ford Global Technologies, Llc. | Tailgate assembly |
US6679540B1 (en) | 2003-03-07 | 2004-01-20 | Trim Trends Co., Llc | Epoxy bonded laminate door beam |
US7055886B2 (en) * | 2003-03-28 | 2006-06-06 | Shape Corporation | Low-profile high-strength vehicle door beam |
DE10321581A1 (en) * | 2003-05-14 | 2004-12-02 | Benteler Automobiltechnik Gmbh | Side impact beams |
US7093886B2 (en) * | 2004-12-17 | 2006-08-22 | Benteler Automotive Corporation | Vehicle door beam with reinforced tab and method for making the same |
WO2007089057A1 (en) * | 2006-02-02 | 2007-08-09 | Dongwon Metal Ind. Co., Ltd. | Automobile impact beam with integrated brackets and the manufacturing method thereof |
DE102006005964B3 (en) * | 2006-02-08 | 2007-07-19 | Benteler Automobiltechnik Gmbh | Manufacturing process for vehicle component involves making process groove in plate and pressing at least one edge against support to press out groove later |
AU2008235843B2 (en) * | 2007-04-04 | 2011-06-02 | Nippon Steel Corporation | Strength member for an automobile body, front side member, and side structure for an automobile body |
DE102007024797A1 (en) * | 2007-05-26 | 2008-11-27 | Linde + Wiemann Gmbh Kg | Method for producing a profile component, profile component and use of a profile component |
JP5692776B2 (en) * | 2010-06-11 | 2015-04-01 | シロキ工業株式会社 | Vehicle door frame |
DE102012215598B4 (en) * | 2012-09-03 | 2019-02-14 | Magna International Inc. | impact beams |
DE102013200073A1 (en) * | 2012-09-03 | 2014-03-06 | Magna International Inc. | bumper beam |
CN105121194B (en) * | 2013-04-03 | 2017-11-10 | 本田技研工业株式会社 | Vehicle door |
DE102014115158B4 (en) * | 2014-10-17 | 2018-07-05 | Benteler Automobiltechnik Gmbh | Door impact beam of extruded profile and method for its production |
US20170001497A1 (en) * | 2015-06-30 | 2017-01-05 | Toyota Motor Engineering & Manufacturing North America, Inc. | Door Assemblies Including An Engagement Member and Vehicles Incorporating The Same |
FR3052398B1 (en) | 2016-06-08 | 2018-06-29 | Peugeot Citroen Automobiles Sa | INTERNAL LINING OF A SLIDING SIDE DOOR |
US10549707B2 (en) * | 2018-02-16 | 2020-02-04 | Ford Global Technologies, Llc | Door opening restraint |
US11584041B2 (en) | 2018-04-20 | 2023-02-21 | Pella Corporation | Reinforced pultrusion member and method of making |
US11371280B2 (en) | 2018-04-27 | 2022-06-28 | Pella Corporation | Modular frame design |
KR101967109B1 (en) * | 2018-08-22 | 2019-04-08 | 주식회사 비앤엠 | Integrated Type Impact Bar for a Vehicle Door |
JP6892028B1 (en) * | 2019-09-25 | 2021-06-18 | 日本製鉄株式会社 | Structural member, structural member manufacturing method and structural member manufacturing equipment |
Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
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US4919473A (en) | 1986-11-10 | 1990-04-24 | Austria Metall Aktiengesellschaft | Structural shape (beam) especially for ramming protection in side doors and walls of motor-vehicle bodies |
US5272341A (en) | 1991-07-18 | 1993-12-21 | General Motors Corporation | Transpacitor |
US5306058A (en) | 1990-03-26 | 1994-04-26 | Shape Corporation | Tubular roll-formed automotive bumper |
EP0728607A2 (en) * | 1995-02-14 | 1996-08-28 | YAMAKAWA INDUSTRIAL CO., Ltd. | Guard beam for a door of an automotive door structure |
JPH08258569A (en) | 1995-03-23 | 1996-10-08 | Hashimoto Forming Ind Co Ltd | Door beam for vehicle and manufacture thereof |
US5600931A (en) * | 1992-09-25 | 1997-02-11 | Plannja Hardtech Ab | Structural beam for supporting and reinforcing a structure |
DE29622985U1 (en) * | 1996-12-24 | 1997-10-02 | Thyssen Industrie | Side impact protection for car doors |
DE19715795A1 (en) * | 1997-04-16 | 1998-10-22 | Benteler Werke Ag | Door impact bearer in road vehicle |
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US4684166A (en) * | 1986-05-19 | 1987-08-04 | General Motors Corporation | Vehicle door impact beam and stabilizing assembly |
US5104026A (en) | 1990-03-26 | 1992-04-14 | Shape Corporation | Apparatus for roll-forming an automotive bumper |
US5092512A (en) | 1990-03-26 | 1992-03-03 | Shape Corporation | Method of roll-forming an automotive bumper |
JP2962036B2 (en) * | 1992-04-16 | 1999-10-12 | 日産自動車株式会社 | Car door structure |
US5272841A (en) | 1992-10-21 | 1993-12-28 | The Budd Company | Composite metal intrusion beam and method of making same |
US5370437A (en) * | 1993-08-19 | 1994-12-06 | Benteler Industries, Inc. | Universal impact beam tube pocket |
IT234771Y1 (en) | 1994-12-23 | 2000-03-16 | Ciucani Mario | DEVICE FOR ORNAMENTAL SEWING OF VARIOUS ITEMS, IN PARTICULAR LEATHER ITEMS |
JPH09220930A (en) | 1996-02-16 | 1997-08-26 | Showa:Kk | Door side beam |
US5755484A (en) | 1996-10-28 | 1998-05-26 | Ford Global Technologies, Inc. | Vehicle door intrusion beam |
-
1999
- 1999-09-14 AU AU56142/99A patent/AU5614299A/en not_active Abandoned
- 1999-09-14 WO PCT/CA1999/000841 patent/WO2000015453A1/en active IP Right Grant
- 1999-09-14 CA CA002338511A patent/CA2338511C/en not_active Expired - Lifetime
- 1999-09-14 DE DE69918140T patent/DE69918140T2/en not_active Expired - Lifetime
- 1999-09-14 BR BR9913772-0A patent/BR9913772A/en active Search and Examination
- 1999-09-14 EP EP99942687A patent/EP1113941B1/en not_active Expired - Lifetime
- 1999-09-14 AT AT99942687T patent/ATE269235T1/en not_active IP Right Cessation
- 1999-09-15 US US09/396,739 patent/US6227609B1/en not_active Expired - Lifetime
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4919473A (en) | 1986-11-10 | 1990-04-24 | Austria Metall Aktiengesellschaft | Structural shape (beam) especially for ramming protection in side doors and walls of motor-vehicle bodies |
US5306058A (en) | 1990-03-26 | 1994-04-26 | Shape Corporation | Tubular roll-formed automotive bumper |
US5272341A (en) | 1991-07-18 | 1993-12-21 | General Motors Corporation | Transpacitor |
US5600931A (en) * | 1992-09-25 | 1997-02-11 | Plannja Hardtech Ab | Structural beam for supporting and reinforcing a structure |
EP0728607A2 (en) * | 1995-02-14 | 1996-08-28 | YAMAKAWA INDUSTRIAL CO., Ltd. | Guard beam for a door of an automotive door structure |
JPH08258569A (en) | 1995-03-23 | 1996-10-08 | Hashimoto Forming Ind Co Ltd | Door beam for vehicle and manufacture thereof |
DE29622985U1 (en) * | 1996-12-24 | 1997-10-02 | Thyssen Industrie | Side impact protection for car doors |
DE19715795A1 (en) * | 1997-04-16 | 1998-10-22 | Benteler Werke Ag | Door impact bearer in road vehicle |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1201474A1 (en) * | 2000-10-24 | 2002-05-02 | Benteler Automobiltechnik GmbH & Co. KG | Side intrusion beam |
EP1266780A1 (en) * | 2001-06-11 | 2002-12-18 | Benteler Automobiltechnik GmbH & Co. KG | Sheet as semi-manufactured blank for a side impact protection bar and side impact protection bar for a vehicle |
CZ299203B6 (en) * | 2001-06-11 | 2008-05-14 | Benteler Automobiltechnik Gmbh & Co. Kg | Plate bar as a half-finished product for a side member intended for protection against side impact for motor vehicles |
US7086686B2 (en) | 2002-03-22 | 2006-08-08 | Benteler Automobiltechnik Gmbh | Side impact beam |
Also Published As
Publication number | Publication date |
---|---|
DE69918140D1 (en) | 2004-07-22 |
CA2338511A1 (en) | 2000-03-23 |
EP1113941B1 (en) | 2004-06-16 |
DE69918140T2 (en) | 2005-06-30 |
AU5614299A (en) | 2000-04-03 |
US6227609B1 (en) | 2001-05-08 |
BR9913772A (en) | 2001-06-05 |
CA2338511C (en) | 2007-01-23 |
EP1113941A1 (en) | 2001-07-11 |
ATE269235T1 (en) | 2004-07-15 |
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