EP1150859A1 - Structure de siege de vehicule - Google Patents

Structure de siege de vehicule

Info

Publication number
EP1150859A1
EP1150859A1 EP00903634A EP00903634A EP1150859A1 EP 1150859 A1 EP1150859 A1 EP 1150859A1 EP 00903634 A EP00903634 A EP 00903634A EP 00903634 A EP00903634 A EP 00903634A EP 1150859 A1 EP1150859 A1 EP 1150859A1
Authority
EP
European Patent Office
Prior art keywords
area
seat
seat according
backrest
front shell
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.)
Withdrawn
Application number
EP00903634A
Other languages
German (de)
English (en)
Inventor
Wolfgang Lortz
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.)
Individual
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
Publication of EP1150859A1 publication Critical patent/EP1150859A1/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
    • B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
    • B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
    • B60N2/68—Seat frames
    • B60N2/686—Panel like structures
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
    • B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
    • B60N2/70—Upholstery springs ; Upholstery
    • B60N2/7094—Upholstery springs

Definitions

  • the invention relates to a seat, in particular for a motor vehicle, with a seating area and / or a backrest area.
  • Both the seat area and the backrest area of a seat known from practice consist of an open frame into which a comparatively complex spring system is hooked.
  • the frame itself usually has a U-shaped cross-sectional shape and consists of welded sheets.
  • the sheets are C02 or shielded gas welded. With regard to this type of welding, there is a risk of rust on the metal sheets, so that the frame must be painted after it has been welded.
  • the painting means not only an additional manufacturing step, but also not inconsiderable costs.
  • the object of the present invention is therefore to provide a seat of the type mentioned at the outset, which can be produced simply and inexpensively.
  • the seat area and / or the backrest area have / has a rear shell and a front shell with a spring device, that the rear shell and the front shell are firmly connected to one another and that at least on a foam-like material, in particular PUR foam, is foamed on part of the outside of the base body.
  • the invention provides the base body with a simple component for the seat area and also for the backrest area, which is pronounced from one
  • REPLACEMENT BLA ⁇ small number of parts, namely in the simplest embodiment, only consists of a front shell with spring device and a rear shell, only these two components having to be connected to one another in order to produce the basic body. After connecting the two shells to the basic body, the foam only has to be applied to the relevant points on the outside.
  • the number of individual parts is considerably reduced by the configuration according to the invention. The same applies to the assembly effort and the assembly time, which ultimately results in a considerable reduction in costs. The reduced number of individual parts can also reduce the costs resulting from the increased logistical effort caused by a large number of individual parts.
  • a rear shell and a front shell offers a number of other advantages.
  • An important advantage is that the rear shell and the front shell can be designed and connected to one another in such a way that the edge region of the basic body has a closed cavity or a closed shape at desired points as viewed in cross section.
  • the preferably circumferential edge area is thus quasi tubular in cross-section and thus enables an extremely high force absorption with a low weight of the basic body.
  • the force absorption required for the respective application can be adjusted in a simple manner by the material thickness of the shells and the shape and size of the cavity or the shape closed in cross section.
  • the foam layer has a layer thickness greater than 2 cm, preferably of approximately 3 cm, in the central region of the seat region or the backrest region facing the user.
  • a smaller layer thickness of less than 2 cm, in particular of about 1 cm, is applied to the rest of the area, in particular to the rear and side area of the basic body, for reasons of haptics and for safety reasons.
  • the application can be carried out in a simple manner by that the finished basic body is inserted into an appropriate shape, the mold is closed and the basic body is foamed at the relevant points.
  • a preferred embodiment provides that at least one breathable layer or mat is provided on the side of the seating area and possibly the backrest area facing the user arranged and fixed on the foam layer.
  • the basic elements of the basic body are the front shell and the rear shell.
  • the front shell and the rear shell are each one-piece molded parts.
  • the term "molding” here stands for a one-piece component which has been produced, for example, by injection molding, pressing, casting or shaping and not from a plurality of individual parts.
  • the one-piece design results in extremely simplified production.
  • the front shell and / or the rear shell consist of a stamped and then deformed, galvanized sheet metal part.
  • the front shell and the rear shell can then be spot welded, crimped or textured for connection to one another. This can not only be realized very simply and inexpensively, this type of connection of the front shell and the rear shell also ensures, in connection with the galvanized sheet metal part, that subsequent painting of the base body is not necessary.
  • the front shell and / or the rear shell may consist of glass fiber-reinforced plastic, if appropriate, which are then preferably bonded to one another.
  • fastening pre-attachments are provided on the front shell and / or Jumps provided.
  • fastening points especially on the outer edge, in particular for welding electrodes for spot welding
  • openings in the front shell and / or the rear shell, through which the fastening projections are accessible.
  • the aforementioned openings serve not only to access the fastening points, but also to reduce the weight of the basic body. It goes without saying that the number and shape of the openings are selected in such a way that there is no excessive weakening of the edge region of the base body which has the cavity.
  • the basic body in particular with the cavity closed at the edge, represents a relatively rigid component, it is easily possible to attach a headrest to it with at least one corresponding fastening pin.
  • the upper area of the basic body is designed such that each fastening pin of the headrest is supported and supported at least three times. This triple mounting of each fastening pin of the headrest results in an extremely secure mounting of the headrest on the base body.
  • the basic body is a very rigid component due to the use of the two shells, a further considerable advantage results from the present invention.
  • the shell-shaped design makes it possible to provide an indentation in the rear shell for arranging an airbag for the rear passengers.
  • the airbag can easily be supported on the rigid rear shell. Incidentally, this makes it possible for the first time to implement an airbag for rear passengers.
  • the arrangement of the rear airbag is not limited to a backrest area with a two-shell basic body of the type according to the invention. In principle, it is also possible to provide an indentation in other backrest areas in which an airbag for rear passengers can be accommodated.
  • the indentation not only fulfills the function of accommodating the rear airbag, but also the storage function of the fastening pins of the headrest.
  • an eccentric device acting on the spring device is provided in the seat area and / or in the backrest area.
  • Such an eccentric device is a simple mechanical structural unit, which can be easily implemented in particular in connection with a seat having a basic body of the aforementioned type.
  • the eccentric device has at least one motor-driven eccentric shaft, which preferably extends essentially over the entire length of the seat area or the backrest area.
  • the spring device has flat areas on which the eccentric areas of the eccentric shaft act. It goes without saying that it is of course also possible in principle to connect the eccentric areas of the eccentric shaft to the spring device. In principle, however, this is more complex.
  • rollers are to be attached to the eccentric areas of the eccentric shaft. len provided, which run on the flat areas of the spring device.
  • the front shell is formed in one piece with the spring device.
  • the spring device with the front shell can be easily realized, particularly taking into account the design of the front shell as a molded part. An additional installation of the spring device on the front shell is not necessary in this case. It can be easily realized that the spring device has a plurality of wave-shaped flat spring legs, it must be ensured in connection with the previously described eccentric shaft that the eccentric areas of the eccentric shaft always act on flat areas of the spring device. For the rest, it also goes without saying that it is fundamentally not necessary for the spring legs to be wave-shaped.
  • the spring legs can basically have any other shape. However, it is preferably the case that adjacent spring legs are connected to one another via connecting webs.
  • the storage of the eccentric shaft can be realized in a simple manner on the front shell and / or the rear shell of the basic body.
  • protruding, in particular punched out eyelets are provided at corresponding locations of the rear shell or the front shell, to which are preferably attached plastic bearings for holding and mounting the eccentric shaft.
  • the inner area of the base body is foamed with the exception of the peripheral edge area or the cavity.
  • the eccentric shaft and possibly also the eyelets with the bearings are surrounded by a tubular covering as a foam protection.
  • the invention offers yet another positive aspect. Three-point belt systems in motor vehicles are known in which the belt retractor is attached to the B-pillar. It has been shown that in the event of an accident, deformation and buckling of the B-pillar can occur. For this reason, some have started to move the belt retractor to other locations. The fastening of the belt retractor to the seat is known.
  • Such a seat Since considerable forces act on the belt system in the event of an accident, such a seat must be designed to be very stable in order to avoid excessive bending of the seat due to the forces occurring.
  • Such seats are known, for example, in sports cars of the Mercedes and BMW brands.
  • a disadvantage of these seats having the belt retractor is that the seat has a considerable weight (namely about 65 kg), which has a correspondingly disadvantageous effect on the vehicle weight.
  • these seats are very complex and therefore very expensive.
  • the belt retractor arranged in the backrest area is connected to a traction means to be fastened to the frame of the motor vehicle, in particular a traction cable, in such a way that the forces acting on the belt are only deflected via the belt retractor in the event of a load and thus in the are essentially introduced into the framework.
  • the third attachment point is therefore not the belt retractor, but the frame of the motor vehicle.
  • the belt retractor is only used for power redirection.
  • the seat deforms very little in the event of a crash, since the forces which occur are only introduced to a small extent into the seat and otherwise directly into the floor.
  • a holder For mounting the belt retractor, a holder can be provided in connection with the basic body according to the invention, which is attached to the basic body and fastened thereon.
  • the holder For a secure attachment, it can be provided that the holder has a lateral and an upper support section for resting or contacting the base body.
  • the use of the basic body according to the invention allows an adjustment device having fastening tabs to be fastened to the lower lateral region of the basic body.
  • the rigid design of the basic body enables the fastening straps to be fastened without further ado.
  • the mounting area is preferably not foamed so that the adjustment device can be easily installed using the mounting brackets.
  • the basic body has an at least protruding section on the fastening area and that the fastening tab rests with its lateral edge on the section.
  • the mounting bracket is not only placed on the base body in this case, the forces occurring in the event of a crash are over the edge of the mounting bracket and the protruding section, which can only be a bent-up bracket or the edge of a depression, directly into the base body initiated.
  • the risk of the fastening tab tearing off the base body is considerably reduced, while the force absorption and introduction into the base body is increased.
  • 1 is a perspective view of a seat according to the invention
  • 2 is an exploded perspective view of a backrest area of a seat according to the invention
  • FIG. 3 shows a perspective view of the assembled backrest area from FIG. 2 without an eccentric device
  • Fig. 4 is a cross-sectional view through the backrest area
  • Fig. 6 is a view of part of the backrest area according to the invention.
  • Fig. 7 is a sectional view according to section line VII - VII
  • the seat 1 shows a seat 1, which in the present case can be used in the motor vehicle sector, that is to say in passenger cars, trucks and buses. Basically, the seat 1 can also be used in aircraft, ships and railways. In the present case, the seat 1 has a seating area 2 and a backrest area 3.
  • the invention described in detail below can be implemented only on a backrest area 3 or only on a seat area 2. However, it is preferred to implement the invention in both areas 2, 3. In the following, the invention will only be explained with reference to the backrest area 3 shown in FIGS. 2 to 7. However, all the explanations also apply to the seating area 2, even if this is not described in detail.
  • the basic structure of the seat area 2 therefore does not differ from the structure of the backrest area 3 described below, so that the following explanations regarding the backrest area 3 also apply to the seat area 2.
  • the backrest area 3 has a rear shell 4 and a front shell 5 with a spring device 6, the rear shell 4 and the front shell 5 being firmly connected to one another to form a basic body 7.
  • a foam-like material 9, in particular a PUR foam, is at least partially attached, as can only be seen in FIG. 4.
  • the rear shell 4 and the front shell 5 are designed and connected to one another on their outer edge region in such a way that at least in the side edge, ie on the side cheeks 10a, and in the upper edge region 10b each result in cavities 10.
  • Fig. 4 shows that the cavities 10 in the side cheeks 10a each have a circumferentially closed shape in cross section.
  • the formation of the edge region of the basic body 7 as a cavity does not mean that this cavity 10 should be closed on all sides over its length.
  • the cavity 10 is quite accessible, which will be discussed in more detail below.
  • the cross-section of the cavity 10 is basically closed all the way round in order to achieve increased force absorption.
  • the foam layer 9 on the outer side 8 of the basic body 7 is of different thickness.
  • the foam layer 9 is thicker, preferably about 3 mm thick.
  • the layer thickness of the foam layer 9 is approximately 1 cm.
  • a breathable mat 11 is provided on the foam layer 9 on the side of the backrest area 3 facing the user.
  • the rear shell 4 and the front shell 5 are one-piece molded parts.
  • the rear shell 4 and the front shell 5 consist of a stamped and deformed, galvanized sheet metal part. 4
  • the rear shell 4 and the front shell 5 are each spot welded at their ends or outer edges.
  • a number of fastening projections 12 are provided on the rear shell 4 and also on the front shell 5, on which the rear shell 4 and the Front shell 5 are spot welded together.
  • the seat 1 also has, as can be seen from FIGS. 1 and 5, a headrest 14.
  • the headrest 14 has two fastening pins 15 for insertion into two insertion openings 16, 17 in the upper region of the backrest region 3.
  • the profiling of the upper region of the basic body 7 is such that each fastening pin 15 of the headrest 14 is guided and supported in triplicate, as can be seen in FIG. 5.
  • the profiling of the upper region of the basic body 7 is approximately S-shaped, so that the fastening pins 15 extend through the basic body 7 at three points.
  • an indentation 18 open to the outside is provided on the rear shell 4 in the upper region.
  • An airbag 19 is located in this indentation 18.
  • the indentation 18 also serves to implement the previously mentioned S-shaped profiling for the insertion openings 16, 17, which extend through the outside of the base body 7 and through the indentation 18 .
  • the airbag 19 is coupled to the fastening pins 15 such that the headrest 14 moves forward in the event of a crash.
  • the backrest area 3 has an eccentric device 20, which acts on the spring device 6.
  • the eccentric device 20 is provided with two eccentric shafts 21, 22 which, which results in particular from FIG. 2, extend essentially over the entire length of the backrest area 3.
  • the two eccentric shafts 21, 22 are motor operated, too if the drive is not shown in detail.
  • the eccentric shafts 21, 22 can be provided, for example, at their ends with a square or the like, on which a motor is placed.
  • the spring device 6 in turn has flat areas on which the eccentric areas 23 of the eccentric shafts 21, 22 act. In order to achieve a smooth running of the eccentric areas 23 on the flat areas of the spring device 6, rollers 24 are placed on the eccentric areas 23 and run on the flat areas of the spring device 6.
  • the front shell 5 is integrally formed with the spring device 6.
  • the spring device 6 has a plurality of wave-shaped flat spring legs 25.
  • the flat spring legs 25 result in the flat areas on which the eccentric areas 23 or the rollers 24 can run.
  • the spring legs 25 extend from one side cheek of the front shell 5 to the other side cheek. Adjacent spring legs 25 are connected to one another via connecting webs 26. Connecting webs 26 are also provided at the transition from the upper and lower edge regions of the basic body 7 to the spring legs 25.
  • the eccentric shafts 21, 22 are supported by protruding eyelets 27 which are punched out of the rear shell 4 and bent out accordingly. Bearings 28 made of plastic are held in the eyelets 27, in which the eccentric shafts 21, 22 are mounted.
  • each of the eccentric shafts 21, 22 is tubular Surround 30, as indicated in Fig. 5 for the eccentric shaft 22.
  • the envelope 30 serves as a foam protection.
  • a three-point belt system is assigned to the seat 1, the belt system having a belt and a belt retractor (not shown) provided on the backrest area 3.
  • the belt retractor is connected to a traction means 31 to be fastened to the frame of the motor vehicle, in the present case a traction cable, in such a way that the forces acting on the belt are deflected via the belt retractor in the event of a load and at least essentially in the frame of the motor vehicle are initiated.
  • the traction means 31 is arranged in a side cheek 10a or within a lateral cavity 10 of the basic body 7.
  • a holder 32 is attached to the basic body 7, the belt retractor being mounted in the holder 32.
  • the holder 32 has a lateral support section 33 and an upper support section 34. At these points, the holder 32 can be screwed to the base body 7.
  • the holder 32 itself is a hollow body, which is open in the direction of the basic body 7.
  • the basic body 7 also has an opening at the transition to the holder 32 in order to be able to guide the traction means 31 from the belt retractor through the holder 32 and the basic body 7 in the region of the lateral cavity 10.
  • an opening for the traction means 31 for guiding the traction means 31 out of the basic body 7 is also provided in the lower region of the basic body 7 so that the traction means 31 can be attached to the frame of the motor vehicle.
  • the seat 1 has an adjusting device 35 for the rotational adjustment of the seat area 2 relative to the backrest area 3.
  • This adjustment device 35 has on each side an adjustment means 36 for manual or motorized adjustment.
  • Each adjusting means 36 has fastening tabs 37 for fastening the adjusting by means of 36 on the lower lateral area of the basic body 7. This area is not otherwise foamed.
  • the base body 7 has a protruding or recessed section on the fastening area
  • the fastening tab 37 is also screwed to the base body 7, in the present case the rear shell 4, the front shell 5 placed on the rear shell 4 covering the fastening strap 37, which results from FIG. 3.

Landscapes

  • Engineering & Computer Science (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Seats For Vehicles (AREA)
  • Chair Legs, Seat Parts, And Backrests (AREA)
  • Automotive Seat Belt Assembly (AREA)

Abstract

L'invention concerne un siège (1), notamment un siège d'automobile, comprenant une zone d'assise (2) et/ou une zone de dossier (3). Afin de mettre au point un siège, de structure simple et économique, il est prévu selon l'invention, que la zone d'assise (2) et/ou la zone de dossier (3) présentent une coque arrière (4) et une coque avant (5) avec un système à effet ressort (6). Il est également prévu que la coque arrière (4) et la coque arrière (5) soient solidarisées en un corps de base (7) et qu'un matériau de type mousse, notamment de la mousse de polyuréthane soit appliqué au moins sur une partie de la face extérieure (8) du corps de base (7).
EP00903634A 1999-02-09 2000-01-26 Structure de siege de vehicule Withdrawn EP1150859A1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE19905215A DE19905215C2 (de) 1999-02-09 1999-02-09 Sitz
DE19905215 1999-02-09
PCT/EP2000/000578 WO2000047441A1 (fr) 1999-02-09 2000-01-26 Structure de siege de vehicule

Publications (1)

Publication Number Publication Date
EP1150859A1 true EP1150859A1 (fr) 2001-11-07

Family

ID=7896868

Family Applications (1)

Application Number Title Priority Date Filing Date
EP00903634A Withdrawn EP1150859A1 (fr) 1999-02-09 2000-01-26 Structure de siege de vehicule

Country Status (7)

Country Link
EP (1) EP1150859A1 (fr)
JP (1) JP2002536141A (fr)
KR (1) KR20010101785A (fr)
AU (1) AU2544700A (fr)
BR (1) BR0008097A (fr)
DE (1) DE19905215C2 (fr)
WO (1) WO2000047441A1 (fr)

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DE10321289A1 (de) * 2003-05-13 2004-12-02 Bayerische Motoren Werke Ag Rückenlehne
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DE102004048351A1 (de) * 2004-10-01 2006-04-06 Johnson Controls Gmbh Metallstruktur und Fahrzeugsitz
DE102004048350B4 (de) 2004-10-01 2018-04-05 Adient Luxembourg Holding S.à.r.l. Metallstruktur und Fahrzeugsitz
DE102004049115A1 (de) 2004-10-07 2006-04-27 Johnson Controls Gmbh Geschweißte Struktur, insbesondere von Sitzkomponenten
DE102005044012B4 (de) * 2005-09-14 2015-04-16 Recaro Automotive Ltd. & Co. Kg Fahrzeugsitz, insbesondere Sportsitz
DE102005044221B4 (de) 2005-09-15 2021-07-22 Adient Luxembourg Holding S.À R.L. Verstärktes Seitenteil der Tragstruktur eines Kraftfahrzeugsitzes
DE102006005950A1 (de) * 2006-02-09 2007-08-23 Johnson Controls Gmbh Fahrzeugsitz mit integriertem Sicherheitsgurt
DE102010007052A1 (de) 2010-02-06 2011-08-11 Sitech Sitztechnik GmbH, 38442 Rückenlehne aus Kunststoff mit aus Kunststoff gebildeten oder beschichteten Funktionselementen
JP5593523B2 (ja) * 2010-05-25 2014-09-24 コクヨ株式会社 椅子
DE102011003574A1 (de) * 2010-10-28 2012-05-03 Johnson Controls Gmbh Hohlprofil für einen Fahrzeugsitz und Verfahren zur Herstellung eines solchen Hohlprofils
DE102011114742A1 (de) * 2011-09-28 2013-03-28 Keiper Gmbh & Co. Kg Fahrzeugsitz, insbesondere Kraftfahrzeugsitz
DE102011087054A1 (de) * 2011-11-24 2013-05-29 Bayerische Motoren Werke Aktiengesellschaft Fahrzeugsitz, insbesondere für ein Kraftfahrzeug
DE102012020711B4 (de) * 2012-10-23 2022-08-11 Volkswagen Aktiengesellschaft Sitzwannenmodul
DE102012222964A1 (de) 2012-12-12 2014-06-12 Bayerische Motoren Werke Aktiengesellschaft Fahrzeugsitz
DE102013225478A1 (de) * 2013-08-30 2015-03-05 Johnson Controls Gmbh Fahrzeugsitz, insbesondere kraftfahrzeugsitz
DE102013225477A1 (de) * 2013-08-30 2015-03-05 Johnson Controls Gmbh Sitzlehne für einen fahrzeugsitz und fahrzeugsitz
JP6133188B2 (ja) * 2013-09-30 2017-05-24 トヨタ紡織株式会社 乗物用シート
DE102013225963B4 (de) * 2013-12-13 2023-06-22 Adient Us Llc Sitzteil und Fahrzeugsitz
JP6294772B2 (ja) * 2014-06-24 2018-03-14 日本発條株式会社 車両用シート
DE102015206962A1 (de) 2015-04-17 2016-10-20 Brose Fahrzeugteile Gmbh & Co. Kg, Coburg Strukturbaugruppe für eine Fahrzeugsitz-Rückenlehne
CN106004598B (zh) * 2016-06-16 2017-12-12 柳州西格尔汽车内饰件有限公司 分体式后排座椅靠背骨架总成
CN106004597B (zh) * 2016-06-16 2017-12-12 柳州西格尔汽车内饰件有限公司 整体式后排座椅靠背骨架总成
CN107512209A (zh) * 2017-08-24 2017-12-26 柳州市瑞星机械配件有限责任公司 汽车座椅靠背骨架
CN107512210A (zh) * 2017-08-24 2017-12-26 柳州市瑞星机械配件有限责任公司 汽车座椅焊接方法
DE102018215171A1 (de) * 2018-09-06 2020-03-12 Sitech Sitztechnik Gmbh Optimierte Hybrid-Lehnenstruktur zur gezielten Gurtkraftaufnahme in der Lehnenstruktur
FR3117957B1 (fr) * 2020-12-21 2023-01-06 Renault Sas nappe de suspension allégée à montage simplifié

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Also Published As

Publication number Publication date
KR20010101785A (ko) 2001-11-14
DE19905215A1 (de) 2000-08-10
WO2000047441A1 (fr) 2000-08-17
DE19905215C2 (de) 2002-01-31
BR0008097A (pt) 2001-11-06
AU2544700A (en) 2000-08-29
JP2002536141A (ja) 2002-10-29

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