EP0009703A1 - Bending apparatus for manufacturing a spacing frame for insulating glass panes - Google Patents

Bending apparatus for manufacturing a spacing frame for insulating glass panes Download PDF

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Publication number
EP0009703A1
EP0009703A1 EP19790103474 EP79103474A EP0009703A1 EP 0009703 A1 EP0009703 A1 EP 0009703A1 EP 19790103474 EP19790103474 EP 19790103474 EP 79103474 A EP79103474 A EP 79103474A EP 0009703 A1 EP0009703 A1 EP 0009703A1
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EP
European Patent Office
Prior art keywords
jaws
pair
bending
bending device
jaw
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.)
Granted
Application number
EP19790103474
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German (de)
French (fr)
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EP0009703B1 (en
Inventor
Hermann Dipl.-Ing. Wölflingseder
Werner Wölflingseder
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.)
Sps Glasbau Seraphin Puempel & Soehne Gesellschaft
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Sps Glasbau Seraphin Puempel & Sohne GmbH
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Publication of EP0009703A1 publication Critical patent/EP0009703A1/en
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Publication of EP0009703B1 publication Critical patent/EP0009703B1/en
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D11/00—Bending not restricted to forms of material mentioned in only one of groups B21D5/00, B21D7/00, B21D9/00; Bending not provided for in groups B21D5/00 - B21D9/00; Twisting
    • B21D11/08—Bending by altering the thickness of part of the cross-section of the work
    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B3/00—Window sashes, door leaves, or like elements for closing wall or like openings; Layout of fixed or moving closures, e.g. windows in wall or like openings; Features of rigidly-mounted outer frames relating to the mounting of wing frames
    • E06B3/66—Units comprising two or more parallel glass or like panes permanently secured together
    • E06B3/673—Assembling the units
    • E06B3/67304—Preparing rigid spacer members before assembly
    • E06B3/67308—Making spacer frames, e.g. by bending or assembling straight sections
    • E06B3/67313—Making spacer frames, e.g. by bending or assembling straight sections by bending

Definitions

  • the invention relates to a weighing device for making a spacer from a hollow profile rod filled with hygroscopic material for insulating glass panes, the hollow profile rod being cut on the edge and the parts of the hollow profile rod adjacent to the edge cut being bent against one another to form a frame corner.
  • Frames of the type in question are generally manufactured in such a way that the corresponding lengths are cut off from a hollow profile rod and then the pieces thus obtained are joined to form a circumferentially closed frame, the individual sides of this frame being able to butt against one another in the corners or connections with suitable angle profiles.
  • These manipulations are complex and complicated because these hollow profile bars are filled with hygroscopic material, which is brought to the market in the form of small spheres by the industry concerned. It has also become known in this connection to cut a profile strip in a V-shape to form such a frame, that is to say to make miter cuts, but these cuts make the profile strip do not cut completely and then bend the individual sections against each other.
  • the frame can be made by manual bending, since this thin remaining web in the V-shaped incision can practically no longer resist manual bending.
  • this type of production is hardly feasible in practice, because hygroscopic masses are stored in the hollow profile rod, in the form of small spheres, as already mentioned. If the hollow profile is processed and manipulated quietly in the described manner, this hygroscopic material practically "runs out” during the manufacturing process and the frame obtained can no longer be used for the intended purpose as a spacer frame for insulating glass panes.
  • the invention now aims to provide a device with which hollow profile rods filled with hygroscopic materials of the usual type. Design can be bent, which is possible according to the proposal in that two spaced-apart jaw pairs are provided and one jaw surface of each pair of jaws lie in one plane and between the jaw pairs and laterally offset a milling tool is arranged with the axis of rotation substantially parallel to the connecting line of the jaw pairs and is adjustable at right angles to this connecting line and at least one jaw of a pair of jaws has a stop bar directed away from the pair-wise arrangement of these pairs of jaws and this jaw is pivotally mounted in its plane, and the pair of jaws adjacent to the stop bar a Piegewiderlaer is assigned.
  • FIG. 1 shows the device in plan view
  • 2 shows a section along the line II - II
  • 3 shows a section along the line III-III
  • FIG. 4 shows a section along the line IV-IV, in each case in FIG. 1
  • 5 shows a cross-section guided at the edge through an insulating glass pane
  • 6 shows a hollow profile rod in an oblique view with incisions provided for the bend, and FIG. 7 bent the hollow profile rod shown in FIG. 6 to a corner.
  • the device which is shown in Fig. 1 in plan view, consists of a first pair of jaws 1 with the two jaws 3 and 11 and a second pair of jaws 2 with the jaws 4 and 12. These two pairs of jaws 1 and 2 are spaced from each other and the jaws 3 and 4 of each pair of jaws 1 and 2 are in one Level, for example here in the table level 5. Between the two pairs of jaws 1 and 2 and laterally offset with respect to an imaginary connecting line, a milling tool 6 is arranged with an axis of rotation 7 approximately parallel to this connecting line.
  • This milling tool 6 which consists of three milling disks 30 arranged close to one another on the milling shaft, can be adjusted in two directions (arrows 28 and 29) in a plane perpendicular to the imaginary connecting line (see FIG. 2).
  • the lying in the plane of the table 5 the clamping jaws 4 of a pair of clamping jaws 2 is about the vertical axis 10 to pivot by about 90 0th
  • a stop bar 8 is also firmly connected to this clamping jaw 4.
  • the jaws 3 of the first pair of jaws 1 lying in the table plane 5 have a vertical stop surface 13.
  • the jaws 11, which can be adjusted in the direction of the arrow 31, are moved with a piston-cylinder unit.
  • In the jaw 3 is an elongated hole 17 directed against the stop surface 13, through which an axle 16 protrudes, which carries a roller 15 as an abutment and which is connected at its outer end to the lever 20 which is about the axis 19 against the force of a spring 18 is pivotally mounted.
  • This first pair of clamping jaws 1 is connected to a support 34 which can be displaced along the guide rail 35 in the direction of the arrow 23.
  • the piston-cylinder unit used for the displacement is not shown for reasons of clarity.
  • the second pair of jaws 2 is arranged fixedly opposite the table.
  • the clamping jaw 4 lying in the table plane can be pivoted about the vertical axis 10 in the direction of the arrow 36.
  • a bending abutment 9 is provided, which is firmly connected to the frame of the device in a manner not shown here.
  • This jaw 4 is supported by a rotatably mounted shaft 37 (FIG. 3), on which a further piston-cylinder unit (not shown here) engages via a lever 38.
  • the pivot axis 10 of the clamping jaw 4 is aligned with the edge of the abutting surfaces 14 and 22 of the bending zipper 10.
  • the second jaw 12 of this pair of clamping jaws 2 is adjustable in the direction of arrow 39 by means of a piston-cylinder unit 40.
  • This jaw 12 has a recess 21, through or into which the egg-shaped abutment 9 protrudes, so that this jaw 12 directly adjoins the surfaces 14 and 22 of this abutment 9, which are at right angles to one another.
  • a guide rail 24 is mounted parallel to the stop bar 8 (FIG. 1) in the rest position, on which stops 25 are adjustable.
  • the upper part of this guide rail is U-shaped in cross section (Fig. 4).
  • the arms 41 carrying the stops 25 are displaceable and lockable via the abutment blocks 42 and the nuts 43.
  • the stop 25 is mounted on the cantilever arm 41 so that it tilts up can be (arrow 44 in Fig . 4).
  • at least two such adjustable stops are provided on this guide rail 24.
  • This guide rail 24 is slidably mounted in its longitudinal direction.
  • the lower half of this guide rail also has a U-shaped cross section. Brackets 45 are arranged on the frame of the device, which carry pairs of rollers 46 which are received by the lower cavity of the guide rail 24.
  • This guide rail 24 is positively connected to the first pair of clamping jaws 1 via a rod 26.
  • the milling tool 6 distributable mechanism is still recognizable. It consists of the U-shaped and L-shaped frames 46 and 47, in which guide spindles 48 and 49 are arranged in pairs.
  • the support 27 of the milling tool 6 is guided on the spindles 48 and height-adjustable by means of the piston-cylinder unit 50.
  • the guide spindles 49 run through a bearing block 51 fastened to the underside of the table 5.
  • the adjustment of the frame 46-47 in the direction of the arrow 28 is effected by the piston-cylinder unit 52.
  • the limit switches controlling and limiting the movement sequences are not shown for reasons of clarity. Before going into the mode of operation of the device, reference is made to the cross-sectional drawing of the insulating glass pane according to FIG.
  • 5 shows the edge of an insulating glass pane in cross section.
  • Two panes 53 and 54 are spaced apart from one another by the frame 55, which is made of a light metal profile.
  • the wall section 56 which forms the inside of the frame 55, has a slot 57.
  • the side flanks 58 are stepped and thus taper the profile width in the lower part of the profile bar.
  • a permanently elastic sealant and adhesive 59 is on the one hand on the flanks of the profile rod, on the other hand on the discs 53 and 54.
  • the outer cavity which is delimited by the pane edges and by the outside of the profile frame, is filled with a likewise permanently elastic sealing compound 60.
  • a hygroscopic mass is introduced into the cavity 61 and interacts with the interior 62 of the pane via the slit 57 or via a possible perforation in this wall section 56.
  • This hygroscopic material is marketed by the relevant industry in the form of small beads. The diameter of these beads is approximately 1 to 2 mm. The profiles themselves are sold as bar material with a length of approx. 6 meters.
  • the profile rod is inserted from the left (FIG. 1) into the pairs of clamping jaws which have been opened for the time being pushed up to a first stop, which can either be fixed to the rail 24 or which can be arranged as a lowerable stop in the table plane 5 and which is approximately 100 mm to the right of the surface 22 of the bending abutment 9.
  • a first stop which can either be fixed to the rail 24 or which can be arranged as a lowerable stop in the table plane 5 and which is approximately 100 mm to the right of the surface 22 of the bending abutment 9.
  • the frofiling strip which is already waving a corner of the frame, is pushed to the right by the amount corresponding to the desired frame side length, it being possible for this frame length to be set by the stops 25. Now the workflow described above starts again and these processes are repeated until the frame is completely bent.
  • the table level 5 can also be designed to be slightly inclined relative to the level of the clamping jaws 3 and 4, which can possibly make it easier to support the frame to be produced.
  • the piston-cylinder units can be supplied with a liquid or gaseous medium. Instead of such drive units, motor drives with threaded spindles, lifting magnets or the like can also be used. It is also expedient to drive the milling tools 6 via an air turbine, since such components can be built relatively small. Graduations can be provided on the stop bar 8, which facilitate the setting of the desired lengths.

Abstract

1. A bending apparatus for manufacturing a spacing frame for insulating glass panes from a hollow profile member filled with hygroscopic material, the hollow profile member being cut on the side (56) lying on the inside of the manufactured frame and the parts of the hollow profile member adjacent the cut being bent against each other to form a frame corner with a pair of clamping jaws (2) lying near the bending region to hold the hollow profile member to be bent, and an abutment bar (8) mounted to pivot about a bending abutment (9), characterized in that the clamping jaws (4, 12) of the pair of clamping jaws (2) are arranged so as to close at right angles to the bending plane and one clamping jaw (4) is connected to the abutment bar (8) so as to pivot together.

Description

Die Erfindung bezieht sich auf eine Eiegeeinrichtung zum Anfertigen eines Distanzhalterahrnens aus einem mit hygroskopischem Material gefüllten Hohlprofilstabes für Isolierglasscheiben, wobei der Hohlprofilstab randseitig angeschnitten und die dem randseitigen Anschnitt benachbarten Teile des Hohlprofilstabes zur Bildung einer Rahmenecke gegeneinander gebogen werden.The invention relates to a weighing device for making a spacer from a hollow profile rod filled with hygroscopic material for insulating glass panes, the hollow profile rod being cut on the edge and the parts of the hollow profile rod adjacent to the edge cut being bent against one another to form a frame corner.

Rahmen der gegenständlichen Art werden in der Regel so gefertigt, dass von eines Hohlprofilstab die entsprechenden Längen abgeschnitten und dann die so erhaltenen Stücke zu einem umfangsgeschlossenen Rahmen zusammengefügt werden, wobei die einzelnen Seiten dieses Rahmens in den Ecken stumpf aneinanderstossen können oder aber es können Verbindungen mit geeigneten Winkelprofilen, hergestellt werden. Diese Manipulationen sind aufwendig und dadurch erschwert, dass diese Hohlprofilstäbe mit hygroskopischem Material gefüllt sind, welches in Form kleiner Kügelchen von der einschlätigen Industrie auf den Markt gebracht wird. Es ist auch in diesem Zusammenhang bekannt geworden, eine Profilleiste zur Bildung eines solchen Rahmens V-förmig einzuschneiden, also Gehrungsschnitte anzubringen, wobei jedoch diese Schnitte die Profilleiste nicht zur Gänze durchtrennen und dann die einzelnen Abschnitte gegeneinander zu biegen. Da die V-förmigen Einschnitte so tief geführt werden, dass nur mehr ein ganz geringer, dünner Steg verbleibt, der die einzelnen aufeinanderfolgenden Teile miteinander verbindet, kann der Rahmen dureh händisches Verbiegen gefertigt werden, da dieser dünne verbleibende Steg im V-förmigen Einschnitt dem händischen Verbiegen praktisch keinen Widerstand mehr entgegen zu setzen vermag. Diese Herstellungsart ist aber in der Praxis kaum durchführbar, im Hohlprofilstab sind nämlich hygroskopische Massen gelagert, und zwar in Form kleiner Kügelchen, wie schon erwähnt. Wird das Hohlprofil in der beschriebenen leise bearbeitet und manipuliert, so "rinnt" dieses hygroskopische Material während des Fertigungsvorganges praktisch zur Gänze aus und der gewonnene Rahmen ist nicht mehr für den vorgesehenen Zweck als Distanzhalterahmen bei Isplierglasscheiben einsetzbar.Frames of the type in question are generally manufactured in such a way that the corresponding lengths are cut off from a hollow profile rod and then the pieces thus obtained are joined to form a circumferentially closed frame, the individual sides of this frame being able to butt against one another in the corners or connections with suitable angle profiles. These manipulations are complex and complicated because these hollow profile bars are filled with hygroscopic material, which is brought to the market in the form of small spheres by the industry concerned. It has also become known in this connection to cut a profile strip in a V-shape to form such a frame, that is to say to make miter cuts, but these cuts make the profile strip do not cut completely and then bend the individual sections against each other. Since the V-shaped incisions are made so deep that only a very small, thin web remains, which connects the individual successive parts with each other, the frame can be made by manual bending, since this thin remaining web in the V-shaped incision can practically no longer resist manual bending. However, this type of production is hardly feasible in practice, because hygroscopic masses are stored in the hollow profile rod, in the form of small spheres, as already mentioned. If the hollow profile is processed and manipulated quietly in the described manner, this hygroscopic material practically "runs out" during the manufacturing process and the frame obtained can no longer be used for the intended purpose as a spacer frame for insulating glass panes.

Die Erfindung zielt nun darauf ab, eine Einrichtung zu schaffen, mit welcher mit hygroskopischen Materialien gefüllte Hohlpröfilstäbe der üblichen. Bauart gebogen werden können, was vorschlagsgemäss dadurch gelingt, dass zwei mit Abstand voneinander angeordnete Klemmbackenpaare vorgesehen sind und je eine Klemmbackenfläche eines jeden Klemmbackenpaares in einer Ebene liegen und zwischen den Klemmbackenpaaren und gegenüber diesen seitlich versetzt ein Fräswerkzeug mit zur Verbinduncslinie der Klemmbackenpaare im wesentlichen paralleler Drehachse angeordnet und rechtwinklig zu dieser Verbindungslinie verstellbar ist und mindestens ein Klemmbacken eines Klemmbackenpaares eine von der paarweuseb Anordnung dieser Klemmbackenpaare weg gerichtete Anschlagleiste aufweist und dieser Klemmbacken in seiner Ebene schwenkbar gelagert ist, und dem der Anschlagleiste benachbarten Klemmbackenpaar ein Piegewiderlaer zugeordnet ist.The invention now aims to provide a device with which hollow profile rods filled with hygroscopic materials of the usual type. Design can be bent, which is possible according to the proposal in that two spaced-apart jaw pairs are provided and one jaw surface of each pair of jaws lie in one plane and between the jaw pairs and laterally offset a milling tool is arranged with the axis of rotation substantially parallel to the connecting line of the jaw pairs and is adjustable at right angles to this connecting line and at least one jaw of a pair of jaws has a stop bar directed away from the pair-wise arrangement of these pairs of jaws and this jaw is pivotally mounted in its plane, and the pair of jaws adjacent to the stop bar a Piegewiderlaer is assigned.

Um die Erfindung zu veranschaulichen, wird sie anhand der Zeichnung näher erläutert. Es zeigen: Fig. 1 die Einrichtung in Draufsicht; die Fig. 2 einen Schnitt nach der Linie II - II;Fig. 3 einen Schnitt nach-der Linie III - III und Fig. 4 einen Schnitt nach der Linie IV - IV, jeweils in Fig. 1; die Fig. 5 einen randseitig geführten Querschnitt durch eine Isolierglasscheibe; Fig. 6 einen Hohlprofilstab in Schrägsicht mit für die Biegung vorgesehenen Einschnitten und Fig. 7 den aus Fig. 6 ersichtlichen Hohlprofilstab zu einer Ecke gebogen.In order to illustrate the invention, it will be explained in more detail with reference to the drawing. 1 shows the device in plan view; 2 shows a section along the line II - II; 3 shows a section along the line III-III and FIG. 4 shows a section along the line IV-IV, in each case in FIG. 1; 5 shows a cross-section guided at the edge through an insulating glass pane; 6 shows a hollow profile rod in an oblique view with incisions provided for the bend, and FIG. 7 bent the hollow profile rod shown in FIG. 6 to a corner.

Die Einrichtung, die in Fig. 1 in Draufsicht dargestellt ist, besteht aus einem ersten Klemmbackenpaar 1 mit den beiden Klemmbacken 3 und 11 und einem zweiten Klemrabackenpaar 2 mit den Klemmbacken 4 und 12. Diese beiden Klemmbackenpaare 1 und 2 sind mit Abstand voneinander angeordnet und die Klemmbacken 3 bzw. 4 eines jeden Klemmbackenpaares 1 und 2 liegen in einer Ebene, beispielsweise hier in der Tischebene 5. Zwischen den beiden Klemmbackenpaaren 1 und 2 und gegenüber einer gedachten Verbindungslinie seitlich versetzt ist ein Fräswerkzeug 6 mit zu dieser Verbindungslinie etwa paralleler Drehachse 7 angeordnet. Dieses Fräswerkzeug 6, das aus drei nahe beieinander auf der Fräswelle angeordneten Frässcheiben 30 besteht, ist in zwei Richtungen (Pfeil 28 und 29) in einer zur gedachten Verbindungslinie rechtwinkeligen Ebene verstellbar (siehe Fig. 2). Der in der Tischebene 5 liegende Klemmbacken 4 des einen Klemmbackenpaares 2 ist um die vertikale Achse 10 um ca. 900 schwenkbar. Mit diesem Klemmbacken 4 ist auch eine Anschlagleiste 8 fest verbunden.The device, which is shown in Fig. 1 in plan view, consists of a first pair of jaws 1 with the two jaws 3 and 11 and a second pair of jaws 2 with the jaws 4 and 12. These two pairs of jaws 1 and 2 are spaced from each other and the jaws 3 and 4 of each pair of jaws 1 and 2 are in one Level, for example here in the table level 5. Between the two pairs of jaws 1 and 2 and laterally offset with respect to an imaginary connecting line, a milling tool 6 is arranged with an axis of rotation 7 approximately parallel to this connecting line. This milling tool 6, which consists of three milling disks 30 arranged close to one another on the milling shaft, can be adjusted in two directions (arrows 28 and 29) in a plane perpendicular to the imaginary connecting line (see FIG. 2). The lying in the plane of the table 5 the clamping jaws 4 of a pair of clamping jaws 2 is about the vertical axis 10 to pivot by about 90 0th A stop bar 8 is also firmly connected to this clamping jaw 4.

Der in der Tischebene 5 liegende Klemmbacken 3 des ersten Klemmbackenpaares 1 besitzt eine vertikale Anschlagfläche 13. Der in der Richtung des Pfeiles 31 verstellbare Klemmbacken 11 wird mit einer Kolben-Zylinder-Einheit bewegt. Im Backen 3 ist eine gegen die Anschlagfläche 13 gerichtete Langlochausnehmung 17, durch welche ein Achszapfen 16 ragt, der eine Rolle 15 als Widerlager trägt und der an seinem äusseren Ende mit dem Hebel 20 verbunden ist, der um die Achse 19 gegen die Kraft einer Feder 18 schwenkbar gelagert ist. Dieses erste Klemmbackenpaar 1 ist mit einem Support 34 verbunden, der entlang der Führungsschiene 35 in Richtung des Pfeiles 23 verschiebbar ist. Die der Verschiebung dienende Kolben-Zylinder-Einheit ist aus Gründen der Jebersichtlichkeit nicht dargestellt.The jaws 3 of the first pair of jaws 1 lying in the table plane 5 have a vertical stop surface 13. The jaws 11, which can be adjusted in the direction of the arrow 31, are moved with a piston-cylinder unit. In the jaw 3 is an elongated hole 17 directed against the stop surface 13, through which an axle 16 protrudes, which carries a roller 15 as an abutment and which is connected at its outer end to the lever 20 which is about the axis 19 against the force of a spring 18 is pivotally mounted. This first pair of clamping jaws 1 is connected to a support 34 which can be displaced along the guide rail 35 in the direction of the arrow 23. The piston-cylinder unit used for the displacement is not shown for reasons of clarity.

Das zweite klemmbackenpaar 2 ist Gegenüber den Tisch feststehend angeordnet. Der in der Tischebene liegende Klemmbacken 4 ist um die Vertikalachse 10 in Richtung des Pfeiles 36 schwenkbar. Unmittelbar oberhalb des Backens 4 ist ein Biegewiderlager 9 vorgesehen, das in hier nicht dargestellter Weise mit dem Gestell der Vorrichtung fest verbunden ist. Dieser Backen 4 ist von einer drehbar gelagerten Welle 37 (Fig. 3) getragen, an welcher über einen Hebel 38 eine weitere Kolben-Zylinder-Einheit (hier nicht dargestellt) angreift. Die Schwenkachse 10 des klemmbackens 4 fluchtet mit der Kante der aneinanderstossenden Flächen 14 und 22 des Biegezniderlugers 9. Der zweite Backen 12 dieses Klemmbackenpaares 2 ist in Richtung des Pfeiles 39 mittels einer Kolben-Zylinder-Einheit 40 verstellbar. Dieser Backen 12 besitzt eine Ausnehmung 21, durch welche bzw. in welche das Eiegewiderlager 9 ragt, so dass dieser Backen 12 an die rechtwinklig zueinander stehenden Flächen 14 und 22 dieses Biegewiderlagers 9 unmittelbar angrenzt.The second pair of jaws 2 is arranged fixedly opposite the table. The clamping jaw 4 lying in the table plane can be pivoted about the vertical axis 10 in the direction of the arrow 36. Immediately above the jaw 4, a bending abutment 9 is provided, which is firmly connected to the frame of the device in a manner not shown here. This jaw 4 is supported by a rotatably mounted shaft 37 (FIG. 3), on which a further piston-cylinder unit (not shown here) engages via a lever 38. The pivot axis 10 of the clamping jaw 4 is aligned with the edge of the abutting surfaces 14 and 22 of the bending zipper 10. The second jaw 12 of this pair of clamping jaws 2 is adjustable in the direction of arrow 39 by means of a piston-cylinder unit 40. This jaw 12 has a recess 21, through or into which the egg-shaped abutment 9 protrudes, so that this jaw 12 directly adjoins the surfaces 14 and 22 of this abutment 9, which are at right angles to one another.

Parallel zu der in Ruhestellung befindlichen Anschlagleiste 8 (Fig. 1) ist eine Führungsschiene 24 gelagert, an welcher Anschläge 25 verstellbar sind. Der obere Teil dieser Führungsschiene ist im Querschnitt U-förmig (Fig. 4). In dieser U-förmigen Schiene 24 sind die die Anschläge 25 tragenden Ausleger 41 verschiebbar und über das Widerlagerklötzchen 42 und die Muttern 43 arretierbar. Der Anschlag 25 ist am Auslegerarm 41 sehwenkbar gelagert, so das er hochgekippt werden kann (Pfeil 44 in Fig. 4). An dieser Führungsschiene 24 sind in der Regel mindestens zwei solcher verstellbarer Anschläge vorgesehen. Diese Führungsschiene 24 ist in ihrer Längsrichtung verschiebbar gelagert. Auch die untere Hälfte dieser Führungsschiene hat einen U-förmigen Querschnitt. Am Gestell der Vorrichtung sind Ausleger 45 angeordnet, die paarweise Rollen 46 tragen, welche von unteren Hohlraum der Führungsschiene 24 aufgenommen sind. Ueber eine Stange 26 ist diese Führungsschiene 24 mit dem ersten Klemmbackenpaar 1 formschlüssig verbunden.A guide rail 24 is mounted parallel to the stop bar 8 (FIG. 1) in the rest position, on which stops 25 are adjustable. The upper part of this guide rail is U-shaped in cross section (Fig. 4). In this U-shaped rail 24, the arms 41 carrying the stops 25 are displaceable and lockable via the abutment blocks 42 and the nuts 43. The stop 25 is mounted on the cantilever arm 41 so that it tilts up can be (arrow 44 in Fig . 4). As a rule, at least two such adjustable stops are provided on this guide rail 24. This guide rail 24 is slidably mounted in its longitudinal direction. The lower half of this guide rail also has a U-shaped cross section. Brackets 45 are arranged on the frame of the device, which carry pairs of rollers 46 which are received by the lower cavity of the guide rail 24. This guide rail 24 is positively connected to the first pair of clamping jaws 1 via a rod 26.

Aus Fig. 2 ist noch die das Fräswerkzeug 6 versteilbare Mechanik erkenntar. Sie besteht aus den miteinander fest verbundenen U- und L-förmigen Rahmen 46 und 47, in welchen jeweils paarweise Führungsspindeln 48 und 49 angeordnet sind. Der Support 27 des Fräswerkzeuges 6 ist an den Spindeln 48 geführt und mittels der Kolben-Zylinder-Einheit 50 höhenverstellbar. Die Führungsspindeln 49 laufen durch einen an der Unterseite des Tisches 5 befestigten Lagerbock 51. Die Verstellung des Rahmens 46 - 47 in Richtung des Pfeiles 28 wird durch die Kolben-Zylinder-Einheit 52 bewirkt. Die die Bewegungsabläufe steuernden und begrenzenden Endschalter sind aus Gründen der Uebersichtlichkeit nicht dargestellt. Bevor auf die Arbeitsweise der Einrichtung eingegangen wird, wird noch bezug genommen auf die Querschmttszeichnung der Isolierglasscheibe nach Fig. 5: Den Rand einer Isolierglasscheibe im Querschnitt zeigt Fig. 5. Zwei Scheiben 53 und 54 sind voneinander durch den Rahmen 55 distanziert, der aus einem Leichtmetallprofil gefertigt ist. Der Wandabschnitt 56, der die Innenseite des Rahmens 55 bildet, weist eine Schlitzung 57 auf. Die Seitenflanken 58 sind stufenartig abgesetzt und verjüngen dadurch die Profilbreite im unteren Teil des Frofilstabes. Eine dauerelastische Dicht- und Klebemasse 59 liegt einerseits an den Flanken des Profilstabes, andererseits an den Scheiben 53 und 54 an. Der äussere Hohlraum, der von den Scheibenrändern und von der Aussenseite des Profilrahmens begrenzt wird, ist mit einer ebenfalls dauerelastischen Dichtungsmasse 60 ausgefüllt. In der Höhlung 61 ist eine hier nicht dargestellte hygroskopische Masse eingebracht, die über die Schlitzung 57 bzw. über eine eventuelle Perforierung in diesem Wandabschnitt 56 mit dem Innenraum 62 der Scheibe zusammenwirkt. Dieses hygroskopische Material wird von der einschlägigen Industrie in Form von kleinen Kügelchen in den Handel gebracht. Der Durchmesser dieser Kügelchen liegt bei ca. 1 bis 2 mm. Die Profile selbst kommen als Stangenmaterial in einer Länge von ca. 6 Metern in den Handel.From Fig. 2 the milling tool 6 distributable mechanism is still recognizable. It consists of the U-shaped and L-shaped frames 46 and 47, in which guide spindles 48 and 49 are arranged in pairs. The support 27 of the milling tool 6 is guided on the spindles 48 and height-adjustable by means of the piston-cylinder unit 50. The guide spindles 49 run through a bearing block 51 fastened to the underside of the table 5. The adjustment of the frame 46-47 in the direction of the arrow 28 is effected by the piston-cylinder unit 52. The limit switches controlling and limiting the movement sequences are not shown for reasons of clarity. Before going into the mode of operation of the device, reference is made to the cross-sectional drawing of the insulating glass pane according to FIG. 5: 5 shows the edge of an insulating glass pane in cross section. Two panes 53 and 54 are spaced apart from one another by the frame 55, which is made of a light metal profile. The wall section 56, which forms the inside of the frame 55, has a slot 57. The side flanks 58 are stepped and thus taper the profile width in the lower part of the profile bar. A permanently elastic sealant and adhesive 59 is on the one hand on the flanks of the profile rod, on the other hand on the discs 53 and 54. The outer cavity, which is delimited by the pane edges and by the outside of the profile frame, is filled with a likewise permanently elastic sealing compound 60. A hygroscopic mass, not shown here, is introduced into the cavity 61 and interacts with the interior 62 of the pane via the slit 57 or via a possible perforation in this wall section 56. This hygroscopic material is marketed by the relevant industry in the form of small beads. The diameter of these beads is approximately 1 to 2 mm. The profiles themselves are sold as bar material with a length of approx. 6 meters.

Soll nun aus diesem Stangenmaterial ein Distanzhalterahmen für eine Isolierglasscheibe gefertigt werden, so wird die Profilstange von links her (Fig. 1) in die vorerst geöffneten Klemmbackenpaare eingeschoben bis zu einem ersten Anschlag, der entweder an der Schiene 24 fixiert sein kann oder aber der als absenkbarer Anschlag in der Tischebene 5 angeordnet werden kann und der ca. 100 mm rechts der Fläche 22 des Biegewiderlagers 9 liegt. Dieses nunmehr eingeschobene Profil ist durch die strichlierte Linie 63 in den Fig. 1 bis 4 angedeutet. Nun werden die Klemmen geschlossen, das Fräsaggregat mit laufendem Fräswerkzeug 6 fährt in Richtung des Pfeiles 28 vor und dann in Richtung des Pfeiles 9 in Arbeitsstellung, wobei die drei nahe nebeneinander liegenden Frässcheiben 30 aus dem Profil Schlitze fräsen, wie dies aus Fig. 6 in Schrägsicht erkennbar ist. Dann fährt das Fräswerkzeug zurück und anschliessend nach unten in seine Ausgangsstellung, wo es vorerst bis zum nächsten Arbeitsablauf verharrt. Nun öffnen sich die Klemmbacken 4 und 12 des zweiten Klemmbackenpaares 2 und dann fährt das erste noch geschlossene Klemmbackenpaar 1 gegen das zweite Klemmbackenpaar 2, nachdem der erste Anschlag, von dem die Rede war, zur Seite gekippt oder abgesenkt worden ist. Nun schliessen sich die Klemmbacken 4 und 12, die Klemmbacken 3 und 11 öffnen, das Klemmbackenpaar 1 fährt in seine Ausgangsstellung nach Fig. 1 zurück und schliesst sich sofort wieder. Nun wird der Klemmbacken 4 verschwenkt und biegt die erste Ecke für den Rahmen (Fig. 7). Dann fährt der Backen 4 wieder in seine Ausgangsstellung zurück und alle Klemmbacken öffnen sich. Diese Bewegungsabläufe können selbstverständlich automatisiert werden, so dass sie nach ihrer Einleitung durch einen entsprechenden Knopfdruck selbsttätig ablaufen. Die Bewegung der einzelnen Teile wird dann durch Endschalter begrenzt.If a spacer frame for an insulating glass pane is now to be produced from this rod material, the profile rod is inserted from the left (FIG. 1) into the pairs of clamping jaws which have been opened for the time being pushed up to a first stop, which can either be fixed to the rail 24 or which can be arranged as a lowerable stop in the table plane 5 and which is approximately 100 mm to the right of the surface 22 of the bending abutment 9. This now inserted profile is indicated by the dashed line 63 in FIGS. 1 to 4. Now the clamps are closed, the milling unit with the milling tool 6 moving forward in the direction of arrow 28 and then in the direction of arrow 9 in the working position, the three milling cutters 30 lying next to one another milling slots out of the profile, as shown in FIG. 6 in Oblique view is recognizable. Then the milling tool moves back and then down to its starting position, where it remains until the next workflow. Now the jaws 4 and 12 of the second pair of jaws 2 open and then the first pair of jaws 1, which is still closed, moves against the second pair of jaws 2 after the first stop, which has been mentioned, has been tilted or lowered to the side. Now the jaws 4 and 12 close, the jaws 3 and 11 open, the jaw pair 1 moves back to its starting position according to FIG. 1 and closes again immediately. Now the jaw 4 is pivoted and bends the first corner for the frame (Fig. 7). Then the jaw 4 moves back to its starting position and all the jaws open. These movements can of course auto can be automated so that they run automatically when they are initiated by pressing the appropriate button. The movement of the individual parts is then limited by limit switches.

Anschliessend wird nun entweder von Hand oder durch eine geeignete Programmsteuerung die bereits eine Rahrnenecke aufwelsende Frofilleiste um jenes Mass, das der gewünschten Rahmenseitenlänge entspricht, nach rechts geschoben, wobei diese Rahmenlänge durch die Anschläge 25 eingestellt sein kann. Nun beginnt der oben beschriebene Arbeitsablauf von neuem und diese Vorgänge wiederholen sich, bis der Rahmen fertig gebogen ist.Subsequently, either by hand or by means of a suitable program control, the frofiling strip, which is already waving a corner of the frame, is pushed to the right by the amount corresponding to the desired frame side length, it being possible for this frame length to be set by the stops 25. Now the workflow described above starts again and these processes are repeated until the frame is completely bent.

Grundsätzlich ist es auch möglich, das zweite Klemmbackenpaar verschiebbar zu lagern, oder aber beide Backen 4 und 12 dieses Klemmbackenpaares um die Achse 10 schwenkbar auszugestalten. Auch kann die Tischebene 5 gegenüber der Ebene der Klemmbacken 3 und 4 leicht geneigt ausgebildet sein, was die Auflage des zu fertigenden Rahmens eventuell erleichtern kann. Die Kolben-Zylinder-Einheiten, können mit einem flüssigen oder gasförmigen Mediurn beaufschlagt werden. Anstelle solcher Antriebseinheiten können auch motorische Antriebe mit Gewindespindeln, Hubmagneten oder dgl. verwendet werden. Es ist auch zweckmässig, die Fräswerkzeuge 6 über eine Luftturbine anzutreiben, da solche Bauteile relativ klein gebaut werden können. An der Anscklagleiste 8 können Masseinteilungen vorgesehen sein, die das Einstellen der gewünschten Längen erleichtern.In principle, it is also possible to mount the second pair of jaws such that they can be moved, or else to design both jaws 4 and 12 of this pair of jaws so as to be pivotable about the axis 10. The table level 5 can also be designed to be slightly inclined relative to the level of the clamping jaws 3 and 4, which can possibly make it easier to support the frame to be produced. The piston-cylinder units can be supplied with a liquid or gaseous medium. Instead of such drive units, motor drives with threaded spindles, lifting magnets or the like can also be used. It is also expedient to drive the milling tools 6 via an air turbine, since such components can be built relatively small. Graduations can be provided on the stop bar 8, which facilitate the setting of the desired lengths.

Claims (15)

1. Biegeeinrichtung zum Anfertigen eines Distanzhalterahmens aus einem mit hygroskopischem Material gefüllten Hohlprofilstabes für Isolierglasscheiben, wobei der Hohlprofilstab randseitig angeschnitten und die dem rands.eitigen Anschnitt benachbarten Teile des Hohlprofilstabes zur Bildung einer Rahmenecke gegeneinander gebogen werden, dadurch gekennzeichnet, dass zwei mit Abstand voneinander angeordnete Klemmbackenpaare (1, 2) vorgesehen sind und je eine Klemmbackenfläche (3, 4) eines jeden Klemmbackenpaares (1, 2) in einer Ebene liegen und zwischen den Klemmbackenpaaren (1, 2) und gegenüber diesen seitlich versetzt ein Fräswerkzeug mit zur Verbindungslinie der Klemmbackenpaare (1, 2) im wesentlichen paralleler Drehachse (7) angeordnet und rechtwinklig zu dieser Verbindungslinie verstellbar ist und mindestens ein Klemmbacken (4) eines Klemmbackenpaares (2) eine von der paarweisen Anordnung dieser Klemmbackenpaare (1, 2) weg gerichtete Anschlagleiste (8) aufweist und dieser Klemmbacken (4) in seiner Ebene schwenkbar gelagert ist, und dem der Anschlagleiste (8) benachbarten Klemmbackenpaar (2) ein Biegewiderlager (9) zugeordnet ist.1. Bending device for producing a spacer frame from a hollow profile rod filled with hygroscopic material for insulating glass panes, the hollow profile rod being cut on the edge side and the parts of the hollow profile rod adjacent to the edge-side cut being bent against one another to form a frame corner, characterized in that two spaced apart Jaw pairs (1, 2) are provided and one jaw surface (3, 4) of each pair of jaws (1, 2) lie in one plane and between the jaw pairs (1, 2) and laterally offset with a milling tool with the connecting line of the jaw pairs (1, 2) arranged essentially parallel to the axis of rotation (7) and adjustable at right angles to this connecting line, and at least one clamping jaw (4) of a pair of clamping jaws (2) has a stop bar (8) directed away from the pairwise arrangement of these pairs of clamping jaws (1, 2). has and this jaws (4) swiveling in its plane is mounted, and a bending abutment (9) is assigned to the pair of clamping jaws (2) adjacent the stop bar (8). 2. Biegeeinrichtung nach Anspruch 1, dadurch gekennzeichnet, dass das eine Klemmbackenpaar (1) eine parallel zur Bewegungsrichtung (31) seiner Klemmbacken (3, 11) angeordnete Anschlagfläche (13) aufweist und in der Ebene dieser Anschlagfläche (13) die Anlagefläche (14) des Biegewiderlagers (9) am zweiten Klemmbackenpaar (2) liegt.2. Bending device according to claim 1, characterized in that the one pair of jaws (1) has a stop surface (13) arranged parallel to the direction of movement (31) of its jaws (3, 11) and in the plane of this stop surface (13) the contact surface (14 ) of the bending abutment (9) on the second pair of jaws (2). 3. Liegeeinrichtung nach den Ansprüchen 1 oder 2, dadurch gekennzeichnet, dass zwischen den Klemmbacken (3, 11) des ersten Klemmbackenpaares (1) ein gegen die Anschlagfläche (13) durch Federkraft drückendes Widerlager (15) vorgesehen ist.3. Lying device according to claims 1 or 2, characterized in that between the clamping jaws (3, 11) of the first pair of clamping jaws (1) is provided an abutment (15) pressing against the stop surface (13) by spring force. 4. Biegeeinrichtung nach Anspruch 3, dadurch gekennzeichnet, dass das Widerlager (15) aus einer drehbar gelagerten Rolle besteht mit einem diese Rolle tragenden Achszapfen (16) und der Achszapfen (16) durch eine im Klemmbacken (3) vorgesehene, sich gegen die Anlagefläche (13) erstreckende Langlochausnehmung (17) ra;t und das nach aussen vorstehende Ende dieses Achszapfens (16) mit einem durch eine Feder (18) belasteten, um eine Achse (19) schwenkbaren Hebel (20) verbunden ist.4. Bending device according to claim 3, characterized in that the abutment (15) consists of a rotatably mounted roller with a journal bearing this role (16) and the axle journal (16) by a provided in the clamping jaws (3) against the contact surface (13) extending L anglochausnehmung (17) ra t and this shaft journal (16) is connected to a loaded by a spring (18), pivotable about an axis (19) lever (20) outwardly projecting end. 5. Biegeeinrichtung nach Anspruch 1, dadurch gekennzeichnet, dass der rechtwinkelig zu seiner Klemmfläche verstellbare Klemmbacken (12) des den schwenkbaren Klemmbacken (4) aufweisenden Klemmbackenpaares (2) eine Ausnehmung (21) aufweist, durch welche das feststehende Biegewiderlager (9) ragt.5. Bending device according to claim 1, characterized in that the jaws (12) of the pair of jaws (2) which have the pivotable jaws (4) and have a recess (21) through which the fixed bending abutment (9) protrudes. 6. Biegeeinrichtung nach Anspruch 5, dadurch gekennzeichnet, dass das Biegewiderlager (9) zumindest zwei annähernd rechtwinklig zueinander stehende'Flächen (14, 22) aufweist und der eine Klemmbacken (12) an diese Flächen (14, 22) angrenzt.6. Bending device according to claim 5, characterized in that the bending abutment (9) has at least two surfaces (14, 22) approximately at right angles to one another and one jaw (12) adjoins these surfaces (14, 22). 7. Biegeeinrichtung nach Anspruch 1, dadurch gekennzeichnet, dass die Klemmbackenpaare (1, 2) gegeneinander verschiebbar gelagert sind (Pfeil 3).7. Bending device according to claim 1, characterized in that the pairs of clamping jaws (1, 2) are mounted so as to be displaceable relative to one another (arrow 3). 8. Biegeeinrichtung nach Anspruch 7, dadurch gekennzeichnet, dass das das Biegewiderlager (9) aufweisende Klemabackenpaar (2) feststehend angeordnet ist.8. Bending device according to claim 7, characterized in that the clamping jaw pair (2) having the bending abutment (9) is arranged to be stationary. 9. Biegeeinrichtung nach einem der vorstehenden Ansprüche, dadurch gekennzeichnet, dass parallel zu der in Hinschieberichtung der zu bearbeitenden Hohlprofilstäbe liegenden Anschlagleiste (8) eine Führungsschiene (24) für die Aufnahme verstellbarer Anschläge (25) vorgesehen ist.9. Bending device according to one of the preceding claims, characterized in that a guide rail (24) for receiving adjustable stops (25) is provided parallel to the stop bar (8) lying in the direction of sliding of the hollow profile bars to be machined. 10. Biegeeinrichtung nach Anspruch 9, dadurch gekennzeichnet, dass die Führungsschiene (24) für die Anschläge (25) in ihrer Längsrichtung verschiebbar gelagert ist.10. Bending device according to claim 9, characterized in that the guide rail (24) for the stops (25) is mounted displaceably in its longitudinal direction. 11. Biegeeinrichtung nach Anspruch 9, dadurch gekennzeichnet, dass die Führungsschiene (24) mit dem verschiebbaren Klemmbackenpaar (1) formschlüssig, beispielsweise über eine Stange (26) verbunden ist.11. Bending device according to claim 9, characterized in that the guide rail (24) with the movable pair of jaws (1) is positively connected, for example via a rod (26). 12. Biegeeinrichtung nach Anspruch 1, dadurch gekennzeichnet, dass der das Fräswerkzeug tragende Support in einer zur Verbindungslinie der beiden Klemmbackenpaare (1, 2) rechtwinkelig stehenden Ebene in zwei Richtungen (Pfeile 28 und 29) verstellbar ist.12. Bending device according to claim 1, characterized in that the support carrying the milling tool is adjustable in two directions (arrows 28 and 29) in a plane perpendicular to the connecting line of the two pairs of clamping jaws (1, 2). 13. Biegeeinrichtung nach einem der vorstehenden Ansprüche, dadurch gekennzeichnet, dass das Fräswerkzeug (6) aus drei mit geringem Abstand voneinander auf einer Fräswelle angeordneten Frässcheiben (30) besteht.13. Bending device according to one of the preceding claims, characterized in that the milling tool (6) consists of three milling disks (30) arranged at a short distance from one another on a milling shaft. 14. Eiegeeinrichtung nach einem der vorstehenden Ansprüche, dadurch gekennzeichnet, dass das Fräswerkzeug (6) in seiner Betriebsstellung dem verschiebbaren Klemmbackenpaar (1) unmittelbar benachbart ist.14. Weighing device according to one of the preceding claims, characterized in that the milling tool (6) in its operating position is directly adjacent to the displaceable clamping jaw pair (1). 15. Biegeeinrichtung nach einem der Ansprüche 1 bis 14, dadurch gekennzeichnet, dass die Schwenkachse (10) des Klemmbackens (4) mit der Kante der aneinanderstossenden Flächen (14, 12) des Biegewiderlagers (9) fluchtet.15. Bending device according to one of claims 1 to 14, characterized in that the pivot axis (10) of the clamping jaw (4) is flush with the edge of the abutting surfaces (14, 12) of the bending abutment (9).
EP19790103474 1978-09-26 1979-09-17 Bending apparatus for manufacturing a spacing frame for insulating glass panes Expired EP0009703B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
AT6950/78 1978-09-26
AT695078A AT360311B (en) 1978-09-26 1978-09-26 BENDING DEVICE FOR PRODUCING A DISTANCE HOLDER FOR INSULATING GLASS DISCS

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Publication Number Publication Date
EP0009703A1 true EP0009703A1 (en) 1980-04-16
EP0009703B1 EP0009703B1 (en) 1982-10-27

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AT (1) AT360311B (en)
DE (1) DE2963941D1 (en)

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EP0241174A2 (en) * 1986-04-07 1987-10-14 Rjukan Metall Maskin og Profil A/S Apparatus for bending structural metal rails
DE3740922A1 (en) * 1987-12-03 1989-06-22 Bayer Isolierglasfab Kg METHOD AND DEVICE FOR PRODUCING A SPACER FRAME
GB2237051A (en) * 1989-10-21 1991-04-24 Gary Daynes Square cornered spacer tube & method of making it
AT398395B (en) * 1990-03-30 1994-11-25 Lisec Peter DEVICE FOR BENDING HOLLOW PROFILE BARS TO SPACER FRAME FOR INSULATING GLASS
EP2549046A3 (en) * 2011-07-16 2013-11-13 Rottler und Rüdiger und Partner GmbH Procédé et dispositif de liaison de barreaux pour une vitre isolante
US9149852B2 (en) 2013-03-14 2015-10-06 M.I.C. Industries, Inc. Panel crimping machine with control system for controlling timing between crimping rollers with an adjustable separation

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CH660398A5 (en) * 1982-01-21 1987-04-15 Peter Lisec SPACER FRAME FOR INSULATING GLASS PANELS AND METHOD FOR PRODUCING THE SAME AND DEVICE FOR IMPLEMENTING THE METHOD.
DE3221986A1 (en) * 1982-06-11 1983-12-15 Fr. Xaver Bayer Isolierglasfabrik Kg, 7807 Elzach Machine for the production of an internal spacer frame for an insulating glass unit
DK0459971T3 (en) * 1990-05-21 1994-04-05 Peter Lisec Method and apparatus for generating bent sections in hollow profile moldings
US5243844A (en) * 1990-05-21 1993-09-14 Peter Lisec Process for producing curved sections in hollow profile strips
DE4117002C2 (en) * 1990-06-07 1996-05-30 Peter Lisec Process for bending hollow profile strips to form spacer frames for insulating glass panes
AT397055B (en) * 1990-06-07 1994-01-25 Lisec Peter METHOD AND DEVICE FOR BENDING HOLLOW PROFILE BARS TO SPACER FRAME FOR INSULATING GLASS PANELS
DE59100838D1 (en) * 1990-06-07 1994-02-24 Peter Lisec Method and device for bending hollow profile strips to form spacer frames for insulating glass panes.

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Cited By (8)

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EP0241174A2 (en) * 1986-04-07 1987-10-14 Rjukan Metall Maskin og Profil A/S Apparatus for bending structural metal rails
EP0241174A3 (en) * 1986-04-07 1989-12-06 Rjukan Metall A/S Apparatus for bending structural metal rails
DE3740922A1 (en) * 1987-12-03 1989-06-22 Bayer Isolierglasfab Kg METHOD AND DEVICE FOR PRODUCING A SPACER FRAME
US4912837A (en) * 1987-12-03 1990-04-03 Franz Xaver Bayer Isolierglasfabrik Kg Method of and apparatus for making spacer frames for use in multiple-pane windows
GB2237051A (en) * 1989-10-21 1991-04-24 Gary Daynes Square cornered spacer tube & method of making it
AT398395B (en) * 1990-03-30 1994-11-25 Lisec Peter DEVICE FOR BENDING HOLLOW PROFILE BARS TO SPACER FRAME FOR INSULATING GLASS
EP2549046A3 (en) * 2011-07-16 2013-11-13 Rottler und Rüdiger und Partner GmbH Procédé et dispositif de liaison de barreaux pour une vitre isolante
US9149852B2 (en) 2013-03-14 2015-10-06 M.I.C. Industries, Inc. Panel crimping machine with control system for controlling timing between crimping rollers with an adjustable separation

Also Published As

Publication number Publication date
ATA695078A (en) 1980-05-15
EP0009703B1 (en) 1982-10-27
DE2963941D1 (en) 1982-12-02
AT360311B (en) 1980-01-12

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