EP1278901B1 - Device for producing at least two tubular belt bands that can be turned inside out - Google Patents

Device for producing at least two tubular belt bands that can be turned inside out Download PDF

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Publication number
EP1278901B1
EP1278901B1 EP99957830A EP99957830A EP1278901B1 EP 1278901 B1 EP1278901 B1 EP 1278901B1 EP 99957830 A EP99957830 A EP 99957830A EP 99957830 A EP99957830 A EP 99957830A EP 1278901 B1 EP1278901 B1 EP 1278901B1
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EP
European Patent Office
Prior art keywords
belt bands
width
hem
loom
power loom
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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.)
Expired - Lifetime
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EP99957830A
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German (de)
French (fr)
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EP1278901A2 (en
Inventor
Francisco Speich
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Textilma AG
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Textilma AG
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    • D—TEXTILES; PAPER
    • D03—WEAVING
    • D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
    • D03D1/00—Woven fabrics designed to make specified articles
    • D03D1/0005—Woven fabrics for safety belts
    • D—TEXTILES; PAPER
    • D03—WEAVING
    • D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
    • D03D11/00—Double or multi-ply fabrics not otherwise provided for
    • D03D11/02—Fabrics formed with pockets, tubes, loops, folds, tucks or flaps

Definitions

  • the invention relates to a device for the production of at least two turn-up, hose-like webbing according to The preamble of claim 1.
  • WO 98/51845 describes a hose band and a device for its production by means of a weaving machine.
  • the Weaving machine has a reed, the reed rods a form from top to bottom tapering gap.
  • the reed is movable up and down, causing the warp threads in areas different spread (density) arrive, so that a hose band of varying width can be produced.
  • the fabric at its two Fabric longitudinal edges and preferably immediately after the Stop the weft thread is guided by spreader.
  • These spreaders are arranged either on the edge regions and controllable in their width effect, whereby the tape guide in the intermediate area is insufficient.
  • hose band is seamlessly produced in different variants.
  • the hose band with seam also in the To produce multiple benefits as a broad fabric in a loom and by means of a thermal cutting device in to cut individual hose bands.
  • the compressing or decompressing occurs reinforced between adjacent hose bands.
  • a woven webbing is described, the As an inflatable belt suitable for car safety belts is.
  • This tissue either as a round tissue must be woven or has two web layers, the at least on one side by means of a woven hem with each other are connected.
  • the webbing needs to be more complicated Be multilayered, not just as To make webbing suitable, but also the unsightly and hide dangerous hem.
  • the object of the invention is to provide an improved device for Production of at least two invertible, tube-like Specify straps, which in a simple way a rational Production of the strap allows.
  • the task is characterized by the combination of the features of Claim 1 solved. Due to the fact that the strap initially as Fabric tape on a loom with parallel reed rods is made and the shape of the cavity alone by the formation of the hem is determined results in easy to make a very stable and sustainable Webbing, since the warp threads are exactly parallel and thus subjected to no length and position change under load are. The over the whole fabric width reaching spreader with its smaller diameter in the hose area than in the hem area ensures a uniform clamping of the fabric across the entire fabric width and a flawless, low-distortion run of the fabric web thus for a flawless Production of the fabric despite different thicknesses and Densities of the tissue. In addition, the production by the now possible multiple benefits, i. at least the simultaneous production of two webbings in the fabric web, especially rational.
  • the woven hem can arranged by turning the woven webbing inside and it not only results in a visually appealing woven webbing but this also has significant advantages for use.
  • the edge of the webbing is rounded and therefore not only looks good, but also makes it possible a pleasant and safe use. In particular it is because of these positive features as an inflatable car seat belt suitable.
  • the webbing is suitable for a variety of purposes, e.g. for air or water bags or air or water hoses. Furthermore, it is suitable as a lanyard or security tape for vehicles and in particular as inflatable Car seat belt.
  • Figures 1 to 3 show a first webbing 2, the an upper fabric layer 4 and a lower fabric layer 6 is formed, the two sides of seams 8 and 10 with each other are connected and include a Hohlraun 12 between them.
  • the seams 8,10 parallel to each other and thus limit the cavity 12 in over the entire length with the same width.
  • the figures Figures 2 and 3 show the webbing in undeposited form after manufacture Condition and the figure 1 in ready-made inverted State, i. after the webbing of Figure 2 has been inverted is and the hems 8.10 are not outside but inside.
  • the webbing is formed by warp threads 14, which are connected by weft threads 16 together.
  • the warp threads 14 1 of the cavity area 12 preferably have a greater thickness than the warp threads 14 2 of the seams 8, 10. All the warp threads run parallel to one another, with the warp threads 14 2 of the seams 8, 10 having a greater density than the warp threads 14 1 of the fabric layers 4, 6 of the cavity 12.
  • the thicker warp threads 14 1 of the fabric layers 4, 6 serve in particular for force transmission in the longitudinal direction of the webbing.
  • the fabric layers 4, 6 are connected to one another at the transition point to the seam 8, 10 by binding threads 18, which counteract an unintentional release of the seam.
  • the webbing 20 shown in Figures 4 to 6 substantially corresponds to the webbing of Figures 1 to 3, so that the same parts are provided with the same reference numerals.
  • the warp threads (not shown) are thinner than in the central region 24, the warp threads preferably having the same thickness as those of the seams 8 1 and 10 1 .
  • the seams 8 1 and 10 1 have Abbindefäden 18 on the cavity 12 1 side facing.
  • the fabric layers 4 1 and 6 1 are also connected together with Abbindefäden 26 at the transition point in the lateral regions 22 to facilitate the everthing.
  • these Abbindefäden 26 are formed as tearing threads that tear if the cavity 12 1 is inflated, as is the case for example when such a belt is used as an inflatable car seat belt.
  • Figures 5 and 6 show the webbing 20 after production in undipped and the figure 4 in the inverted state.
  • the straps 2 and 20 can on the inside or outside with a fluid passage preventing or limiting Be provided coating.
  • FIGS 7 to 9 show a schematic representation of a Weaving machine for the production of the webbings 2 or 20.
  • warp threads 14 are via a warp beam 30 a shedding device 32 supplied, this includes a jacquard device 34, that of a computer-controlled electronic control device 36 is controllable according to pattern.
  • the jacquard device 34 contains strands 38, the eyes 40, the individual warp threads 14 control.
  • About a weft insertion device, not shown Weft threads 42 are in the of the shedding device 32 open shed 44 registered and by means of a Webblatt 46 posted on the edge of the product 48.
  • the reed 46 includes parallel rivets 50 which are parallel Ensure guidance of the warp threads 14.
  • the so produced Fabric web passes through a spreader 52 to the fabric web 54 to keep desired width.
  • a fabric removal device 56 provides the necessary longitudinal tension of the fabric web on the loom and leads the fabric web one not closer shown receptacle or a corresponding Ware tree too.
  • the fabric removal device 56 is a heat setting device 58 assigned to the fabric web produced de-energized before the goods the fabric removal device leaves.
  • hollow fabric can be produced is prior art and example in Hans Walter Kipp, Bandwebtechnik, JTM Foundation Frick 1988, pages 180 ff.
  • the loom contains a thermal cutter 60, having as many cutting heads 62 as cuts along the Fabric web 54 are performed.
  • the cutting heads are fixedly arranged on a carrier 64.
  • the cutting heads 62 perform figure cuts, so they are transverse to the direction of the fabric web, for example along the carrier 64 movable, said mobility is controllable by means of the control device 36 according to the pattern, as indicated by the control line 66.
  • FIG. 10 shows a diagrammatic representation of the production of two webbings 2 from a fabric web 54 1 in diagrammatic representation. Since the webbing 2 has a central region 24 and seams 8, 10 of constant width, the cutting heads 62 of the thermal cutting device 60 can be set fixed at a constant distance. The cutting heads 62 cut the hem area 70 laterally of the straps 2 in parallel sections 71, so that the seams 8 and 10 arise.
  • FIG. 11 shows in an analogous manner to FIG. 10 the production of straps 20 with cavities 12 1 of varying width according to FIG. 5 from a fabric web 54 2 , adjacent webbings 20 1 being arranged parallel to one another. Since the fabric web are separated by parallel cuts 71, the cutting heads 62 are fixed to corresponding distances fixed to a support 64.
  • FIGs 12 and 13 show the production of webbings 20 2 from a fabric web 54 3 by means of a weaving machine of Figures 7 to 9, but the adjacent webbings are offset with their lateral regions 22 to each other to allow a more rational production with low waste.
  • these webbings 20 2 can be cut in two ways and indeed according to Figure 12, each with only one cutting head per hem area, which cuts the hem area 70 1 by means of a single cut 71 1 between the straps 20 2 approximately halfway and possibly seams 8 1 , 10 1 different width supplies.
  • two cutting heads 70 2 are provided per seam region 70, which enable two cuts 71 2 , 71 3 and seams 8 2 , 10 2 of constant width.
  • the thermal cutting device 60 1 has two cutting units 72, 74 which contain a series of cutting heads 62 1 , 62 2 for each cutting pattern, which can be moved synchronously and simultaneously with each other according to the contour of the seam 8 1 , 10 1 to be produced are.
  • the cutting heads of a cutting unit 72,74 are each attached to a common carrier 76,78, which is in each case by an actuator 80,82 transversely to the direction of the fabric web 54 3 , that is transversely to the warp threads according to the pattern.
  • the actuators 80, 82 receive their respective control pulses by means of control lines 66 1 from the control device 36.
  • a thermal cutting device 60 2 which has two cutting heads 62 3 , 62 4 for each hem area, which can be moved back and forth individually according to the pattern, so that straps 20 2 with hems 8 2 , 10 2 constant width can be cut out.
  • the cutting heads are arranged movable on stationary supports 84,86 and have, for example, in each case via a control line 66 3 controllable by the control device 36, not shown stepping motor, which moves the cutting head on the carrier according to the pattern via a drive wheel 88 acting on the carrier.
  • the cutting devices are arranged directly on the loom. But it is quite possible, at first only the fabric webs on the weaving machine manufacture and cutting into webbings on perform a separate from the loom cutting device.

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Auxiliary Weaving Apparatuses, Weavers' Tools, And Shuttles (AREA)
  • Woven Fabrics (AREA)
  • Looms (AREA)

Description

Technisches GebietTechnical area

Die Erfindung betrifft eine Vorrichtung zur Herstellung von mindestens zwei stülpbaren, schlauchartigen Gurtbändern gemäss Oberbegriff das Anspruches 1.The invention relates to a device for the production of at least two turn-up, hose-like webbing according to The preamble of claim 1.

Stand der TechnikState of the art

Die WO 98/51845 beschreibt ein Schlauchband und eine Vorrichtung zu dessen Herstellung mittels einer Webmaschine. Die Webmaschine weist ein Webblatt auf, dessen Riedstäbe einen sich von oben nach unten verjüngenden Spalt bilden. Das Webblatt ist auf- und abbewegbar, wodurch die Kettfäden in Bereiche unterschiedlicher Aufspreizung (Dichte) gelangen, so dass ein Schlauchband wechselnder Breite hergestellt werden kann. Hierzu ist es noch notwendig, dass das Gewebe an seinen beiden Gewebelängsrändern und vorzugsweise unmittelbar nach dem Anschlag des Schussfadens durch Breithalter geführt wird. Diese Breithalter sind entweder an den Randbereichen angeordnet und in ihrer Breitenwirkung steuerbar, wodurch die Bandführung im Zwischenbereich ungenügend ist. Oder es werden zylindrische Breitenhalter verwendet, die mit Nadeln besetzt sind, welche den Nachteil haben, dass sie das herzustellende Gewebe beschädigen, beispielsweise verziehen und die Gewebedichte verändern können. Ein solches Schlauchband ist nahtlos in verschiedenen Varianten herstellbar. In einer Variante wird vorgeschlagen, das Schlauchband mit Naht auch im Mehrfachnutzen als Breitgewebe in einer Webmaschine herzustellen und mittels einer thermischen Schneidvorrichtung in einzelne Schlauchbänder zu zerschneiden. Allerdings bestehen erhebliche Zweifel, ob wegen der starken Veränderung der Dichte der Kettfäden durch das Webblatt ein brauchbares Breitgewebe herstellbar ist, denn das Komprimieren bzw. Dekomprimieren erfolgt zwischen benachbarten Schlauchbändern verstärkt.WO 98/51845 describes a hose band and a device for its production by means of a weaving machine. The Weaving machine has a reed, the reed rods a form from top to bottom tapering gap. The reed is movable up and down, causing the warp threads in areas different spread (density) arrive, so that a hose band of varying width can be produced. For this it is still necessary that the fabric at its two Fabric longitudinal edges and preferably immediately after the Stop the weft thread is guided by spreader. These spreaders are arranged either on the edge regions and controllable in their width effect, whereby the tape guide in the intermediate area is insufficient. Or it will be cylindrical Width holders used, which are studded with needles are those which have the disadvantage that they produce the Damage tissue, for example warping and tissue density can change. Such a hose band is seamlessly produced in different variants. In a Variant is suggested, the hose band with seam also in the To produce multiple benefits as a broad fabric in a loom and by means of a thermal cutting device in to cut individual hose bands. However exist considerable doubt whether because of the strong change in the Density of the warp threads through the reed a useful wide fabric can be produced, because the compressing or decompressing occurs reinforced between adjacent hose bands.

Abgesehen davon, dass die Vorrichtung und das Herstellungsverfahren ausserordentlich kompliziert sind, wechselt die Kettfadendichte entsprechend der Spreizung durch das Webblatt, so dass in breiteren Bereichen eine lockerere Gewebefügung vorhanden ist als in einem engeren Bereich. Dadurch ergibt sich ein Schlauchband, das insbesondere im breiteren Bereich eine relativ grobe Fügung dementsprechend auch beschränkte Stabilität aufweist. Insbesondere ist ein solches Schlauchgewebe nicht als Gurtband und auch nicht als aufblasbarer Autosicherheitsgurt geeignet, da solche Gurtbänder Längskräfte, d.h. in Halterichtung verlaufende Kräfte aufnehmen müssen. Durch die mit wechselnder Dichte angeordneten Kettfäden laufen diese nicht parallel und gerade, wodurch Längskräfte nicht exakt aufgenommen werden können, sondern eine Längenänderung und/oder Verformung des Gurtbandes bewirken. Hinzu kommt, dass der Saum des Schlauchbandes aussen liegend nicht nur unschön ist, sondern auch wegen seiner harten Kante zu Beschädigungen und Verletzungen Anlass geben kann.Apart from that, the device and the manufacturing process extremely complicated, the warp density changes according to the spread through the reed, so that in looser areas a looser Gewebefügung exist is considered in a narrower range. This results a hose band, in particular in the wider area a relatively coarse addition accordingly also limited stability having. In particular, such a tubular fabric not as a webbing and not as an inflatable car seat belt since such belts have longitudinal forces, i. in Holding direction must absorb extending forces. By the With alternating density arranged warp threads run this not parallel and straight, whereby longitudinal forces are not exact can be included, but a change in length and / or cause deformation of the webbing. In addition, that The hem of the hose outside lying not only ugly is, but also because of its hard edge damage and injuries may give rise.

In der WO 99/40247 ist ein gewebtes Gurtband beschrieben, das als aufblasbares Gurtband für Autosicherheitsgurte geeignet ist. Nachteilig ist es, dass dieses Gewebe entweder als Rundgewebe gewebt werden muss oder zwei Weblagen aufweist, die mindestens an einer Seite mittels eines gewebten Saumes miteinander verbunden sind. Das Gurtband muss in komplizierter Weise mehrlagig zusammengelegt werden, um es nicht nur als Gurtband geeignet zu machen, sondern auch den unschönen und gefährlichen Saum zu verstecken. In WO 99/40247 a woven webbing is described, the As an inflatable belt suitable for car safety belts is. The disadvantage is that this tissue either as a round tissue must be woven or has two web layers, the at least on one side by means of a woven hem with each other are connected. The webbing needs to be more complicated Be multilayered, not just as To make webbing suitable, but also the unsightly and hide dangerous hem.

Darstellung der ErfindungPresentation of the invention

Aufgabe der Erfindung ist es, eine verbesserte Vorrichtung zur Herstellung von mindestens zwei stülpbaren, schlauchartigen Gurtbändern anzugeben, welche auf einfache Weise eine rationelle Herstellung des Gurtbandes ermöglicht.The object of the invention is to provide an improved device for Production of at least two invertible, tube-like Specify straps, which in a simple way a rational Production of the strap allows.

Die Aufgabe wird durch die Kombination der Merkmale des Anspruches 1 gelöst. Dadurch, dass das Gurtband zunächst als Gewebeband auf einer Webmaschine mit parallelen Rietstäben hergestellt wird und die Form des Hohlraumes allein durch die Ausbildung des Saumes bestimmt wird, ergibt sich bei einfacher Herstellung ein sehr stabiles und tragfähiges Gurtband, da die Kettfäden exakt parallel liegen und somit bei Belastung keiner Längen- und Lageveränderung unterworfen sind. Der über die ganze Gewebebreite reichende Breithalter mit seinem im Schlauchbereich kleineren Durchmesser als im Saumbereich sorgt für eine gleichmässige Klemmung des Gewebes über die ganze Gewebebreite und einen einwandfreien, verzugsarmen Lauf der Gewebebahn damit für eine einwandfreie Herstellung des Gewebes trotz unterschiedlicher Dicken und Dichten des Gewebes. Ausserdem ist die Herstellung durch den nunmehr möglichen Mehrfachnutzen, d.h. mindestens die gleichzeitige Herstellung von zwei Gurtbändern in der Gewebebahn, besonders rationell.The task is characterized by the combination of the features of Claim 1 solved. Due to the fact that the strap initially as Fabric tape on a loom with parallel reed rods is made and the shape of the cavity alone by the formation of the hem is determined results in easy to make a very stable and sustainable Webbing, since the warp threads are exactly parallel and thus subjected to no length and position change under load are. The over the whole fabric width reaching spreader with its smaller diameter in the hose area than in the hem area ensures a uniform clamping of the fabric across the entire fabric width and a flawless, low-distortion run of the fabric web thus for a flawless Production of the fabric despite different thicknesses and Densities of the tissue. In addition, the production by the now possible multiple benefits, i. at least the simultaneous production of two webbings in the fabric web, especially rational.

Dadurch, dass das Gurtband stülpbar ist, kann der gewebte Saum durch Wenden des gewebten Gurtbandes innen liegend angeordnet werden und es ergibt sich nicht nur ein optisch ansprechendes gewebtes Gurtband sondern dieses weist auch erhebliche Vorteile zur Benutzung auf. Die Kante des Gurtbandes ist gerundet und sieht deshalb nicht nur gut aus, sondern ermöglicht auch einen angenehmen und gefahrlosen Gebrauch. Insbesondere ist es wegen dieser positiven Eigenschaften als aufblasbarer Autosicherheitsgurt geeignet.The fact that the strap is turnable, the woven hem can arranged by turning the woven webbing inside and it not only results in a visually appealing woven webbing but this also has significant advantages for use. The edge of the webbing is rounded and therefore not only looks good, but also makes it possible a pleasant and safe use. In particular it is because of these positive features as an inflatable car seat belt suitable.

Für die Herstellung eignen sich die verschiedensten Webmaschinen, so solche mit Luft- oder Wasserdüsen, ferner mit Greiferoder Projektilschusseintrag.For the production of various weaving machines, such as those with air or water nozzles, also with gripper or Projectile weft insertion.

Das Gurtband ist für die verschiedensten Einsatzzwecke geeignet, so z.B. für Luft- oder Wassersäcke oder Luft- oder Wasserschläuche. Ferner ist es geeignet als Tragband oder Sicherheitsband für Fahrzeuge und insbesondere als aufblasbarer Autosicherheitsgurt.The webbing is suitable for a variety of purposes, e.g. for air or water bags or air or water hoses. Furthermore, it is suitable as a lanyard or security tape for vehicles and in particular as inflatable Car seat belt.

Vorteilhafte Ausbildungen der Vorrichtung sind in den abhängigen Ansprüchen 2 bis 16 beschrieben. Advantageous embodiments of the device are in the dependent Claims 2 to 16 described.

Kurze Beschreibung der ZeichnungenBrief description of the drawings

Ausführungsbeispiele der Erfindung werden nachfolgend anhand der Zeichnungen näher beschrieben, dabei zeigen:

Figur 1
ein gestülptes Gurtband im Querschnitt;
Figur 2
das Gurtband der Figur 1 in ungestülptem Zustand und im Querschnitt;
Figur 3
das Gurtband der Figur 2 mit verdeutlichter Fadenanordnung;
Figur 4
ein weiteres gestülptes Gurtband mit Hohlraumabschnitten wechselnder Breite im Querschnitt;
Figur 5
das Gurtband der Figur 4 in ungestülptem Zustand und in schaubildlicher Darstellung;
Figur 6
das Gurtband der Figur 5 im Schnitt VI-VI der Figur 5;
Figur 7
eine Webmaschine zur Herstellung des Gurtbandes in schematischer Darstellung und in Seitenansicht;
Figur 8
die Webmaschine der Figur 7 in Draufsicht VIII-VIII der Figur 7;
Figur 9
den Breithalter der Webmaschine der Figur 8 im Detail, in grösserem Massstab, in schaubildlicher teilweise aufgebrochener Darstellung;
Figur 10
die Herstellung des Gurtbande der Figur 1 durch Zerschneiden einer breiten Gewebebahn, in Gurtbänder, in schaubildlicher Darstellung;
Figur 11
eine erste Variante der Herstellung eines Gurtbandes der Figuren 4 bis 6 durch gerades Zerschneiden einer breiten Gewebebahn, in schaubildlicher Darstellung;
Figur 12
eine zweite Variante der Herstellung eines Gurtbandes der Figuren 4 und 6 durch mittiges Zerschneiden des Saumbereicheses zwischen zwei Gurtbändern einer breiten Gewebebahn, in schaubildlicher Darstellung; und
Figur 13
eine dritte Variante der Herstellung eines Gurtbandes der Figuren 4 und 6 durch Zerschneiden des Saumbereiches zwischen zwei Gurtbändern einer breiten Gewebebahn mittels zwei Schneidköpfen pro Saum, in schaubildlicher Darstellung.
Exemplary embodiments of the invention will be described in more detail below with reference to the drawings, in which:
FIG. 1
a slipped webbing in cross section;
FIG. 2
the webbing of Figure 1 in undipped state and in cross section;
FIG. 3
the webbing of Figure 2 with clarified thread arrangement;
FIG. 4
another slipped webbing with cavity sections of varying width in cross section;
FIG. 5
the webbing of Figure 4 in undipped state and in diagrammatic representation;
FIG. 6
the webbing of Figure 5 in section VI-VI of Figure 5;
FIG. 7
a weaving machine for the production of the webbing in a schematic representation and in side view;
FIG. 8
the loom of Figure 7 in plan view VIII-VIII of Figure 7;
FIG. 9
the spreader of the loom of Figure 8 in detail, on a larger scale, in perspective partially broken view;
FIG. 10
the production of Gurtbande of Figure 1 by cutting a wide fabric web, in straps, in perspective view;
FIG. 11
a first variant of the production of a webbing of Figures 4 to 6 by straight cutting a wide fabric web, in perspective view;
FIG. 12
a second variant of the production of a webbing of Figures 4 and 6 by cutting the middle of the hem area between two webbings of a wide fabric web, in perspective view; and
FIG. 13
a third variant of the production of a webbing of Figures 4 and 6 by cutting the hem area between two straps of a wide fabric web by means of two cutting heads per seam, in perspective view.

Wege zur Ausführung der ErfindungWays to carry out the invention

Die Figuren 1 bis 3 zeigen ein erstes Gurtband 2, das aus einer oberen Gewebelage 4 und einer unteren Gewebelage 6 gebildet ist, die über beiderseitige Säume 8 und 10 niteinander verbunden sind und zwischen sich einen Hohlraun 12 einschliessen. Im vorliegenden Beispiel verlaufen die Säume 8,10 parallel zueinander und begrenzen somit den Hohlraum 12 in über die ganze Länge mit gleichbleibender Breite. Die Figuren 2 und 3 zeigen das Gurtband nach der Herstellung in ungestülptem Zustand und die Figur 1 in gebrauchsfertigem gestülptem Zustand, d.h. nachdem das Gurtband der Figur 2 gestülpt worden ist und die Säume 8,10 nicht mehr aussen sondern innen liegen.Figures 1 to 3 show a first webbing 2, the an upper fabric layer 4 and a lower fabric layer 6 is formed, the two sides of seams 8 and 10 with each other are connected and include a Hohlraun 12 between them. In the present example, the seams 8,10 parallel to each other and thus limit the cavity 12 in over the entire length with the same width. The figures Figures 2 and 3 show the webbing in undeposited form after manufacture Condition and the figure 1 in ready-made inverted State, i. after the webbing of Figure 2 has been inverted is and the hems 8.10 are not outside but inside.

Wie aus Figur 3 hervorgeht, wird das Gurtband durch Kettfäden 14 gebildet, die durch Schussfäden 16 miteinander verbunden sind. Die Kettfäden 141 des Hohlraumbereiches 12 weisen vorzugsweise eine grössere Dicke auf als die Kettfäden 142 der Säume 8,10. Sämtliche Kettfäden verlaufen parallel zueinander, wobei die Kettfäden 142 der Säume 8,10 eine grössere Dichte aufweisen als die Kettfäden 141 der Gewebelagen 4,6 des Hohlraumes 12. Die dickeren Kettfäden 141 der Gewebelagen 4,6 dienen insbesondere zur Kraftübertragung in Längsrichtung des Gurtbandes. Zur Erhöhung der Sicherheit sind die Gewebelagen 4,6 an der Übergangsstelle zum Saum 8,10 durch Abbindefäden 18 miteinander verbunden, die einer ungewollten Auflösung des Saums entgegenwirken.As is apparent from Figure 3, the webbing is formed by warp threads 14, which are connected by weft threads 16 together. The warp threads 14 1 of the cavity area 12 preferably have a greater thickness than the warp threads 14 2 of the seams 8, 10. All the warp threads run parallel to one another, with the warp threads 14 2 of the seams 8, 10 having a greater density than the warp threads 14 1 of the fabric layers 4, 6 of the cavity 12. The thicker warp threads 14 1 of the fabric layers 4, 6 serve in particular for force transmission in the longitudinal direction of the webbing. To increase safety, the fabric layers 4, 6 are connected to one another at the transition point to the seam 8, 10 by binding threads 18, which counteract an unintentional release of the seam.

Das in den Figuren 4 bis 6 gezeigte Gurtband 20 entspricht im wesentlichen dem Gurtband der Figuren 1 bis 3, so dass gleiche Teile mit gleichen Bezugszeichen versehen sind. Im Gegensatz zum Gurtband 2 der Figuren 1 bis 3 weist das Gurtband 20 seitliche Bereiche 22 auf, in denen einerseits das Gurtband 20 und andererseits der Hohlraum 121 verbreitert sind. In diesen seitlichen Bereichen 22 sind die nicht näher dargestellten Kettfäden dünner als im zentralen Bereich 24, wobei die Kettfäden vorzugsweise die gleiche Stärke aufweisen wie jene der Säume 81 und 101. Die Säume 81 und 101 weisen auf der dem Hohlraum 121 zugewandten Seite Abbindefäden 18 auf. Die Gewebelagen 41 und 61 sind an der Übergangsstelle in die seitlichen Bereiche 22 ebenfalls mit Abbindefäden 26 miteinander verbunden, um das Stülpen zu erleichtern. Diese Abbindefäden 26 sind jedoch als Reissfäden ausgebildet, die reissen, falls der Hohlraum 121 aufgeblasen wird, wie dies z.B. der Fall ist, wenn ein solches Gurtband als aufblasbarer Autosicherheitsgurt verwendet wird. Die Figuren 5 und 6 zeigen das Gurtband 20 nach der Herstellung in ungestülptem und die Figur 4 in gestülptem Zustand.The webbing 20 shown in Figures 4 to 6 substantially corresponds to the webbing of Figures 1 to 3, so that the same parts are provided with the same reference numerals. In contrast to the webbing 2 of Figures 1 to 3, the webbing 20 on lateral portions 22, in which on the one hand, the webbing 20 and on the other hand, the cavity 12 1 are widened. In these lateral regions 22, the warp threads (not shown) are thinner than in the central region 24, the warp threads preferably having the same thickness as those of the seams 8 1 and 10 1 . The seams 8 1 and 10 1 have Abbindefäden 18 on the cavity 12 1 side facing. The fabric layers 4 1 and 6 1 are also connected together with Abbindefäden 26 at the transition point in the lateral regions 22 to facilitate the everthing. However, these Abbindefäden 26 are formed as tearing threads that tear if the cavity 12 1 is inflated, as is the case for example when such a belt is used as an inflatable car seat belt. Figures 5 and 6 show the webbing 20 after production in undipped and the figure 4 in the inverted state.

Die Gurtbänder 2 bzw. 20 können auf der Innen- oder Aussenseite mit einer einen Fluiddurchtritt verhindernden oder begrenzenden Beschichtung versehen sein.The straps 2 and 20 can on the inside or outside with a fluid passage preventing or limiting Be provided coating.

Die Figuren 7 bis 9 zeigen in schematischer Darstellung eine Webmaschine zur Herstellung der Gurtbänder 2 bzw. 20. Kettfäden 14 werden über einen Kettbalken 30 einer Fachbildevorrichtung 32 zugeführt, diese enthält eine Jacquardvorrichtung 34, die von einer rechnergesteuerten elektronischen Steuervorrichtung 36 mustergemäss steuerbar ist. Die Jacquardvorrichtung 34 enthält Litzen 38, die über Augen 40 die einzelnen Kettfäden 14 steuern. Über eine nicht näher dargestellte Schusseintragvorrichtung werden Schussfäden 42 in das von der Fachbildevorrichtung 32 geöffnete Webfach 44 eingetragen und mittels eines Webblattes 46 an der Warenkante 48 angeschlagen. Das Webblatt 46 enthält parallel angeordnete Rietstäbe 50, die eine parallele Führung der Kettfäden 14 sicherstellen. Die so hergestellte Gewebebahn durchläuft einen Breithalter 52, um die Gewebebahn 54 auf gewünschter Breite zu halten. Eine Warenabzugsvorrichtung 56 sorgt für die nötige Längsspannung der Gewebebahn an der Webmaschine und führt die Gewebebahn einem nicht näher dargestellten Aufnahmebehälter oder einem entsprechenden Warenbaum zu. Der Warenabzugsvorrichtung 56 ist eine Thermofixiervorrichtung 58 zugeordnet, um die hergestellte Gewebebahn spannungsfrei zu machen, bevor die Ware die Warenabzugsvorrichtung verlässt. Wie mit einer solchen Webmaschine Hohlgewebe hergestellt werden können ist Stand der Technik und beispielsweise in Hans Walter Kipp, Bandwebtechnik, JTM-Stiftung Frick 1988, Seiten 180 ff beschrieben.Figures 7 to 9 show a schematic representation of a Weaving machine for the production of the webbings 2 or 20. warp threads 14 are via a warp beam 30 a shedding device 32 supplied, this includes a jacquard device 34, that of a computer-controlled electronic control device 36 is controllable according to pattern. The jacquard device 34 contains strands 38, the eyes 40, the individual warp threads 14 control. About a weft insertion device, not shown Weft threads 42 are in the of the shedding device 32 open shed 44 registered and by means of a Webblatt 46 posted on the edge of the product 48. The reed 46 includes parallel rivets 50 which are parallel Ensure guidance of the warp threads 14. The so produced Fabric web passes through a spreader 52 to the fabric web 54 to keep desired width. A fabric removal device 56 provides the necessary longitudinal tension of the fabric web on the loom and leads the fabric web one not closer shown receptacle or a corresponding Ware tree too. The fabric removal device 56 is a heat setting device 58 assigned to the fabric web produced de-energized before the goods the fabric removal device leaves. As with such a loom hollow fabric can be produced is prior art and example in Hans Walter Kipp, Bandwebtechnik, JTM Foundation Frick 1988, pages 180 ff.

Zwischen dem Breithalter 52 und der Warenabzugsvorrichtung 56 enthält die Webmaschine eine thermische Schneidvorrichtung 60, die so viele Schneidköpfe 62 aufweist, wie Schnitte längs der Gewebebahn 54 durchzuführen sind. Für gerade Schnitte können die Schneidköpfe fix an einem Träger 64 angeordnet sein. Sollen die Schneidköpfe 62 jedoch Figurschnitte ausführen, so sind sie quer zur Laufrichtung der Gewebebahn beispielsweise längs des Trägers 64 verfahrbar, wobei diese Verfahrbarkeit mittels der Steuervorrichtung 36 mustergemäss steuerbar ist, wie durch die Steuerleitung 66 angegeben ist.Between the spreader 52 and the fabric removal device 56th the loom contains a thermal cutter 60, having as many cutting heads 62 as cuts along the Fabric web 54 are performed. For straight cuts can the cutting heads are fixedly arranged on a carrier 64. However, if the cutting heads 62 perform figure cuts, so they are transverse to the direction of the fabric web, for example along the carrier 64 movable, said mobility is controllable by means of the control device 36 according to the pattern, as indicated by the control line 66.

Wie aus den Figuren 8 und 9 hervorgeht, ist der Breithalter 52 entsprechend den herzustellenden Gurtbändern profiliert. So weist ein in einer Ausnehmung 63 angeordneter Klemmstab 65 des Breithalters 52 in den den Hohlräumen 12 zugeordneten Bereichen Ausnehmungen 67 auf, welche die Pressung reduzieren und dafür die Pressung in den Bereichen der Säume 8,10 erhöhen, um über die ganze Breite eine im wesentlichen gleichmässige Pressung zu erhalten und einen einwandfreien, verzugsarmen Lauf der Gewebebahn 54 zu ermöglichen. Für den gleichen Zweck ist auch eine Anpresswalze 68 der Warenabzugsvorrichtung 56 profiliert und weist an den den Hohlräumen 12 zugeordneten Abschnitten Ausnehmungen 69 auf.As can be seen in FIGS. 8 and 9, the spreader 52 profiled according to the straps to be produced. So has a arranged in a recess 63 clamping bar 65 of the Breithalters 52 in the cavities 12 associated areas Recesses 67, which reduce the pressure and for this increase the pressure in the areas of the seams 8,10 to over the entire width of a substantially uniform To obtain pressure and a flawless, low distortion Run the fabric web 54 to allow. For the same purpose is also a pressure roller 68 of the fabric removal device 56th profiled and has at the cavities 12 associated sections Recesses 69 on.

Die Figur 10 zeigt in schaubildlicher Darstellung die Herstellung von zwei Gurtbändern 2 aus einer Gewebebahn 541 in schaubildlicher Darstellung. Da das Gurtband 2 einen zentralen Bereich 24 und Säume 8,10 gleichbleibender Breite aufweist, können die Schneidköpfe 62 der thermischen Schneidvorrichtung 60 auf gleichbleibendem Abstand fix eingestellt sein. Die Schneidköpfe 62 schneiden dabei den Saumbereich 70 seitlich der Gurtbänder 2 in parallelen Schnitten 71, so dass die Säume 8 und 10 entstehen.FIG. 10 shows a diagrammatic representation of the production of two webbings 2 from a fabric web 54 1 in diagrammatic representation. Since the webbing 2 has a central region 24 and seams 8, 10 of constant width, the cutting heads 62 of the thermal cutting device 60 can be set fixed at a constant distance. The cutting heads 62 cut the hem area 70 laterally of the straps 2 in parallel sections 71, so that the seams 8 and 10 arise.

Die Figur 11 zeigt in analoger Weise zur Figur 10 die Herstellung von Gurtbändern 20 mit Hohlräumen 121 wechselnder Breite gemäss Figur 5 aus einer Gewebebahn 542, wobei benachbarte Gurtbänder 201 parallel nebeneinander angeordnet sind. Da die Gewebebahn durch parallele Schnitte 71 getrennt werden, sind die Schneidköpfe 62 auf entsprechende Abstände fix eingestellt an einem Träger 64 befestigt. FIG. 11 shows in an analogous manner to FIG. 10 the production of straps 20 with cavities 12 1 of varying width according to FIG. 5 from a fabric web 54 2 , adjacent webbings 20 1 being arranged parallel to one another. Since the fabric web are separated by parallel cuts 71, the cutting heads 62 are fixed to corresponding distances fixed to a support 64.

Die Figur 12 und 13 zeigen die Herstellung von Gurtbändern 202 aus einer Gewebebahn 543 mittels einer Webmaschine der Figuren 7 bis 9, wobei jedoch die benachbarten Gurtbänder mit ihren seitlichen Bereichen 22 versetzt zueinander angeordnet sind, um eine rationellere abfallarme Fertigung zu ermöglichen. Dabei können diese Gurtbänder 202 auf zweifache Weise ausgeschnitten werden und zwar gemäss Figur 12 mit jeweils nur einem Schneidkopf pro Saumbereich, der den Saumbereich 701 mittels eines einzigen Schnittes 711 zwischen den Gurtbändern 202 etwa auf halber Breite schneidet und allenfalls Säume 81,101 unterschiedlicher Breite liefert. In der anderen Variante gemäss Figur 13 sind pro Saumbereich 702 zwei Schneidköpfe vorhanden, die zwei Schnitte 712,713 und Säume 82, 102 gleichbleibender Breite ermöglichen.Figures 12 and 13 show the production of webbings 20 2 from a fabric web 54 3 by means of a weaving machine of Figures 7 to 9, but the adjacent webbings are offset with their lateral regions 22 to each other to allow a more rational production with low waste. In this case, these webbings 20 2 can be cut in two ways and indeed according to Figure 12, each with only one cutting head per hem area, which cuts the hem area 70 1 by means of a single cut 71 1 between the straps 20 2 approximately halfway and possibly seams 8 1 , 10 1 different width supplies. In the other variant according to FIG. 13, two cutting heads 70 2 are provided per seam region 70, which enable two cuts 71 2 , 71 3 and seams 8 2 , 10 2 of constant width.

In der Ausführungsart der Figur 12 weist die thermische Schneidvorrichtung 601 zwei Schneideinheiten 72,74 auf, die je Schnittmuster eine Reihe von Schneidköpfen 621,622 enthalten, die synchron und gleichzeitig miteinander entsprechend der Kontur des herzustellenden Saumes 81,101 verfahrbar sind. Hierzu sind die Schneidköpfe einer Schneideinheit 72,74 jeweils an einem gemeinsamen Träger 76,78 befestigt, der jeweils von einem Aktuator 80,82 quer zur Laufrichtung der Gewebebahn 543, das heisst quer zu den Kettfäden mustergemäss verfahrbar ist. Hierzu erhalten die Aktuatoren 80,82 jeweils ihre Steuerimpulse mittels Steuerleitungen 661 von der Steuervorrichtung 36.In the embodiment of FIG. 12, the thermal cutting device 60 1 has two cutting units 72, 74 which contain a series of cutting heads 62 1 , 62 2 for each cutting pattern, which can be moved synchronously and simultaneously with each other according to the contour of the seam 8 1 , 10 1 to be produced are. For this purpose, the cutting heads of a cutting unit 72,74 are each attached to a common carrier 76,78, which is in each case by an actuator 80,82 transversely to the direction of the fabric web 54 3 , that is transversely to the warp threads according to the pattern. For this purpose, the actuators 80, 82 receive their respective control pulses by means of control lines 66 1 from the control device 36.

Bei der Ausführungsform der Figur 13 ist eine thermische Schneidvorrichtung 602 vorgesehen ist, die für jeden Saumbereich zwei Schneidköpfe 623, 624 aufweist, die jeweils individuell mustergemäss hin- und herverfahrbar sind, so dass Gurtbänder 202 mit Säumen 82,102 gleichbleibender Breite ausgeschnitten werden können. Die Schneidköpfe sind an feststehenden Trägern 84,86 verfahrbar angeordnet und weisen beispielsweise jeweils einen über eine Steuerleitung 663 von der Steuervorrichtung 36 steuerbaren, nicht näher dargestellten Schrittmotor auf, der über ein auf den Träger einwirkendes Antriebsrad 88 den Schneidkopf am Träger mustergemäss verfährt.In the embodiment of FIG. 13, a thermal cutting device 60 2 is provided, which has two cutting heads 62 3 , 62 4 for each hem area, which can be moved back and forth individually according to the pattern, so that straps 20 2 with hems 8 2 , 10 2 constant width can be cut out. The cutting heads are arranged movable on stationary supports 84,86 and have, for example, in each case via a control line 66 3 controllable by the control device 36, not shown stepping motor, which moves the cutting head on the carrier according to the pattern via a drive wheel 88 acting on the carrier.

In den vorliegenden Ausführungsbeispielen sind die Schneidvorrichtungen direkt auf der Webmaschine angeordnet. Es ist aber durchaus möglich, zunächst nur die Gewebebahnen auf der Webmaschine herzustellen und das Zerschneiden in Gurtbänder auf einer von der Webmaschine getrennten Schneidvorrichtung durchzuführen. In the present embodiments, the cutting devices are arranged directly on the loom. But it is quite possible, at first only the fabric webs on the weaving machine manufacture and cutting into webbings on perform a separate from the loom cutting device.

BEZUGSZEICHENLISTELIST OF REFERENCE NUMBERS

22
Gurtbandwebbing
44
Gewebelagefabric layer
41 4 1
Gewebelagefabric layer
66
Gewebelagefabric layer
61 6 1
Gewebelagefabric layer
88th
Saumhem
81 8 1
Saumhem
82 8 2
Saumhem
1010
Saumhem
101 10 1
Saumhem
102 10 2
Saumhem
1212
Hohlraumcavity
121 12 1
Hohlraumcavity
1414
Kettfadenwarp
141 14 1
Kettfadenwarp
142 14 2
Kettfadenwarp
1616
Schussfadenweft
1818
AbbindefadenAbbindefaden
2020
Gurtbandwebbing
201 20 1
Gurtbandwebbing
202 20 2
Gurtbandwebbing
2222
seitlicher Bereichlateral area
2424
zentraler Bereichcentral area
2626
AbbindefadenAbbindefaden
3030
KettbalkenKettbalken
3232
FachbildevorrichtungShedding device
3434
Jacquardvorrichtungjacquard
3636
Steuervorrichtungcontrol device
3838
Litzenstrands
4040
Augeneyes
4242
Schussfadenweft
4444
Webfachshed
4646
Webblattreed
4848
Warenkanteselvage
5050
Rietstabdent
5252
Breithalterspreader
5454
Gewebebahnfabric web
541 54 1
Gewebebahnfabric web
542 54 2
Gewebebahnfabric web
543 54 3
Gewebebahnfabric web
5656
WarenabzugsvorrichtungPulling device
5858
Thermofixiervorrichtungthermofixing
6060
Schneidvorrichtungcutter
601 60 1
Schneidvorrichtungcutter
602 60 2
Schneidvorrichtungcutter
6262
Schneidkopfcutting head
621 62 1
Schneidkopfcutting head
622 62 2
Schneidkopfcutting head
623 62 3
Schneidkopfcutting head
624 62 4
Schneidkopfcutting head
6363
Ausnehmungrecess
6464
Trägercarrier
6565
Klemmstabclamping bar
6666
Steuerleitungcontrol line
661 66 1
Steuerleitungcontrol line
662 2
Steuerleitungcontrol line
663 3
Steuerleitungcontrol line
6767
Ausnehmungrecess
6868
Anpresswalzepressure roller
6969
Ausnehmungrecess
7070
Saumbereich v. 2Hem area v. 2
701 70 1
Saumbereich v. 2Hem area v. 2
702 70 2
Saumbereich v. 2Hem area v. 2
7171
Schnittcut
711 71 1
Schnittcut
712 71 2
Schnittcut
713 71 3
Schnittcut
7272
Schneideinheitcutting unit
7474
Schneideinheitcutting unit
7676
Trägercarrier
7878
Trägercarrier
8080
Aktuatoractuator
8282
Aktuatoractuator
8484
Trägercarrier
8686
Trägercarrier
8888
Antriebsraddrive wheel

Claims (16)

  1. Device for producing at least two tubular belt bands that can be turned inside out, whereby each of the belt bands has two fabric layers (4, 41, 6, 61), arranged one on top of the other and connected to each other in the longitudinal direction by woven hems (8, 81, 82, 10, 101, 102), and whereby the warp threads (14, 141, 142) have a uniform warp thread density over the entire length of the belt bands (2, 20, 201, 202), characterized in:
    a power loom with a shedding mechanism (32), with a reed (46) with parallel dents (5) and with a woof insertion device extending over the entire width of the loom, and with a control unit 36 for the shedding mechanism (32), and with an expander (52) extending over the entire width of the loom, which contains a smaller diameter in the tubular belt area (67) than in the hem area corresponding to the belt bands (2, 20, 201, 202) to be produced, such that the clamping of the expander (52) is essentially constant over the entire width of the woven fabric web (54, 541, 542,543);
    a thermal device with cutting heads (62, 621, 622, 623, 624) to cut out the belt bands (2, 20, 201, 202) in the hem area (70, 701, 702) from the fabric web (54, 541, 542, 543).
  2. Device according to claim 1, characterized in that the power loom is designed in such a way that the belt bands (2, 20, 201, 202) can be produced with warp threads (142), which are thinner in the hem (8, 81, 82, 10, 101, 102) than in the other areas.
  3. Device according to claim 1 or claim 2, characterized in that the power loom is designed in such a way that the belt bands (2, 20, 201, 202) can be produced with warp threads (141), which are thicker in a central area (24) than in the laterally adjacent areas (22).
  4. Device according to claim 3, characterized in that the power loom is designed in such a way that belt bands can be produced with warp threads (142) between the hem (8, 81, 82, 10, 101, 102) and the central areas (24), which are thinner than the warp threads (141) of the central area (24) and possibly thicker that those of the hems.
  5. Device according to claim 3 or claim 4, characterized in that the power loom is designed in such a way that belt bands (2, 20, 201, 202) can be produced with warp threads (141), which have greater density on both sides of the central area (24) than they do in the central area.
  6. Device according to one of claims 1 to 5, characterized in that the power loom is designed in such a way that belt bands (2, 20, 201, 202) can be produces, which contain tie-off threads (18) at the hems (8, 81, 82, 10, 101, 102).
  7. Device according to one of claims 1 to 6, characterized in that the shedding mechanism (32) can be controlled by the control unit (36) of the power loom in such a way that belt bands (20, 201, 202) of various types can be produced by changing the position and/or the shape of the woven hem (81, 82, 101, 102) in the width of the cavity (121).
  8. Device according to claim 7, characterized in that the shedding mechanism (32) can be controlled by the control unit (36) of the power loom in such a way that wide and narrow sections of adjacent belt bands (202) are offset with respect to each other.
  9. Device according to claim 7 or claim 8, characterized in that the shedding mechanism (32) and the control unit (36) of the power loom are designed in such a way that belt bands (20, 201, 202) can be produced with fabric layers (41, 61) which are connected by breakable tie-off threads (26) in the area of the cavities (121) of greater width, which tie-off threads are provided on both sides of the cavity of the central area (24).
  10. Device according to claim 1, characterized in that the cutting heads (621, 622, 623, 624) are connected to the control unit (36) by a control line (661, 662, 663) and can be moved transversely to the warp threads (141, 142, 143) in correspondence with the selected pattern.
  11. Device according to claim 1, characterized in that the cutting device (602) has two moveable cutting heads (623, 624) between two adjacent belt bands (202) to cut out belt bands (202) of varying width with hems (82, 102) of essentially uniform width.
  12. Device according to claim 1, characterized in that the cutting device (601) has one movable cutting head (621, 622) between two adjacent belt bands (202) to cut the hem area (701) between the belt bands at least to approximately half the original width.
  13. Device according to one of claims 1 to 12, characterized in that the power loom has a fabric take-up device (56), which has at least one press roll (68) with areas (69) of different diameter alternating along its length, such that the clamping pressure or the take-off tension of the fabric is essentially constant over the entire width of the woven fabric web (54, 541, 542,543) or of the width of the belt bands (2, 20, 201, 202).
  14. Device according to claim 13, characterized in that a heat-setting device (58) is provided before or on the product take-up device (56).
  15. Device according to one of claims 1 to 14, characterized in that the cutting device (60, 601, 602) is mounted on the power loom before the product take-up device (56).
  16. Device according to one of claims 1 to 14, characterized in that the cutting device (60, 601, 602) is installed down line from the power loom.
EP99957830A 1999-12-16 1999-12-16 Device for producing at least two tubular belt bands that can be turned inside out Expired - Lifetime EP1278901B1 (en)

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EP1278901B1 true EP1278901B1 (en) 2005-02-09

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EP (1) EP1278901B1 (en)
JP (1) JP4380959B2 (en)
CN (1) CN1262699C (en)
AU (1) AU1544600A (en)
DE (1) DE59911625D1 (en)
ES (1) ES2237179T3 (en)
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US11535189B2 (en) 2018-07-03 2022-12-27 Autoliv Development Ab Belt strap for a safety belt device of a motor vehicle

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JP4380959B2 (en) 2009-12-09
CN1630746A (en) 2005-06-22
EP1278901A2 (en) 2003-01-29
CN1262699C (en) 2006-07-05
AU1544600A (en) 2001-06-25
ES2237179T3 (en) 2005-07-16
WO2001044547A3 (en) 2002-12-05
DE59911625D1 (en) 2005-03-17
WO2001044547A2 (en) 2001-06-21
US6883555B1 (en) 2005-04-26

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