EP0534175B1 - Insulating glazings with spacer profile - Google Patents

Insulating glazings with spacer profile Download PDF

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Publication number
EP0534175B1
EP0534175B1 EP92114894A EP92114894A EP0534175B1 EP 0534175 B1 EP0534175 B1 EP 0534175B1 EP 92114894 A EP92114894 A EP 92114894A EP 92114894 A EP92114894 A EP 92114894A EP 0534175 B1 EP0534175 B1 EP 0534175B1
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EP
European Patent Office
Prior art keywords
web
panes
wedge
cross
area
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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.)
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EP92114894A
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German (de)
French (fr)
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EP0534175A1 (en
Inventor
Franz Bayer
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Bayer Isolierglas und Maschinentechnik GmbH
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Bayer Isolierglas und Maschinentechnik GmbH
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    • EFIXED CONSTRUCTIONS
    • E06DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06BFIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B3/00Window 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
    • E06B3/66Units comprising two or more parallel glass or like panes permanently secured together
    • E06B3/663Elements for spacing panes
    • E06B3/66309Section members positioned at the edges of the glazing unit
    • E06B3/66314Section members positioned at the edges of the glazing unit of tubular shape

Definitions

  • the invention relates to an insulating glass pane with two individual panes and a spacer profile according to the preamble of claim 1.
  • Such an insulating glass pane with a spacer profile is known from DE-A-33 37 058.
  • the region of the side webs which has the sealing material is in each case formed by grooves which are directed into the interior of the hollow profile and are to be filled with the sealing material.
  • this known profile shape with grooves for receiving the sealing material requires a relatively large amount of sealing material because the entire groove cross section must be filled with it.
  • This relatively large amount of sealing material is not only expensive, but also ensures that a correspondingly high pressure arises in the sealing area, especially when the space between the panes bulges, as the narrow gap that is initially open to the outside in the case of non-deformed panes becomes narrower or even closed becomes.
  • a pumping action can thus occur, especially in the case of constantly changing deformations of the panes, and not always only on the outwardly directed sealing compound Opening gap is moved back and forth, but also gets into the contact area or the inside of the pane.
  • a spacer profile is known from DE-A-2 113 910, in which crowned side webs pass over horizontal web sections into an arched area which is external in the use position.
  • This transition area and an intermediate space formed by a protrusion of the two panes are filled with a putty-like mass, that is to say that a sealing material that remains permanently tough is not provided on the contact webs.
  • the tightness depends exclusively on the putty-like sealant.
  • a spacer profile which has spherical contact webs which delimit a wedge-shaped cavity opening towards the inside of the pane, so that sealant located there can be squeezed out into the space between the two panes when the pane moves.
  • the required amount of sealing material can be reduced without sacrificing tightness.
  • the cross-sectional width of the seal is kept narrow practically over the entire seal area, that is to say an advantageous narrow vapor diffusion width is maintained.
  • a relatively large cross-sectional length of the sealing area is achieved with a correspondingly good seal.
  • the disks can carry out the movements already mentioned, to which the sealing material can adapt in the best possible way, either by pushing it outward more by the narrowing of the wedge-shaped cavity or by sucking it back in, without higher pressures within the sealing material due to an increasingly narrow outlet gap arise that could lead to a transition into the interior of the space between the panes.
  • such a spacer profile can be designed cover with a consistently high spray pressure with sealing material, because the spray nozzle only has to be adapted to the slightly inclined side wall or has to be guided along it, which is easily and much easier than with a concave groove. Since no groove has to be filled, correspondingly little sealing material is required.
  • Another important advantage is that when pressing the surface covered with the sealing material with the disks only relatively low pressing pressures are required because the sealing material can deliberately escape into the widening wedge-shaped cavity, so that it has no tendency to towards the "wrong" side, namely to press towards the space between the panes.
  • Another advantage is that due to the inclined transition web, which adjoins the wedge-shaped narrow cavity, space is created for an edge-side sealing compound which can be effective in addition to the permanently tough elastic sealing material.
  • the very flat and narrow wedge-shaped cavity which widens only very slightly, desirably causes the correspondingly low need for sealing material, but it does nevertheless takes up a relatively large cross-sectional length overall and thus effectively prevents the ingress of moisture, especially since the diffusion width, as mentioned, is very small in a desired manner.
  • the sealing material protrudes beyond the wedge-shaped cavity towards the outside of the insulating glass pane and extends to the transition web or covers the inside beginning thereof.
  • the cross-sectional length of the sealing material can be increased further and an even better adaptation to disk movements can be achieved because an even larger supply of sealing material is then available for the reciprocating movement in the case of the disk deformations mentioned.
  • a particularly expedient and at the same time simple embodiment of the invention can consist in that the web area delimiting the wedge-shaped cavity is curved in cross-section in a straight line and / or extending, in particular convexly, away from the disk plane.
  • a first receding web area immediately adjacent to the contact area has an approximately rectilinear cross-section, to which a second, more receding area of the web can connect toward the outside, which encloses a larger angle with respect to the pane surface and / or has a curved cross section.
  • the first retreating Bridge area with a straight cross-section can be particularly easily covered with the permanently tough elastic material, for example butyl rubber, while the bridge area, which then retreats somewhat more, can accommodate a larger stock of sealant, so that any of the above-mentioned advantages of a good and constant adaptation can be maintained Disc movements can be compensated.
  • the transition from the contact area of the side web to the wedge-shaped cavity has a narrow or short, in particular approximately z-shaped gradation or Bend is to which the web area, which runs obliquely away from the disk to the transition web or to the cross web, adjoins the crossbar or the outer edge of the disk.
  • the sealing material cannot overcome such a small and hardly noticeable but significant gradation, because at the same time the corresponding contact pressure of the disks on the spacer profile occurs at this gradation, so that the sealing material does not pass over the wedge-shaped cavity in the contact area or even in the space between the panes appears excluded.
  • An embodiment of the invention of very considerable importance can consist in the fact that the web area facing the inside of the pane, serving as a spacer and system, in turn shrinks over at least part of its cross-sectional length with respect to the surface of the pane or via a convex curvature.
  • the pane in the area of its spacer can be increased by the amount present on the side web Swing the curvature or change of direction and swing, so that the contact point may even move inwards or outwards, depending on the deformation of the pane. The less the sealing material tends to migrate towards the inside of the pane.
  • this embodiment has the considerable advantage that the contact between the spacer profile and the disc is practically only a line contact running in the longitudinal direction of the profile, that is to say a point contact in cross section, so that the heat or cold transfer via the profile to a minimum is reduced.
  • the measure according to claim 9 has the advantage that especially in the immediate contact area of the two discs mutual support by the crossbar is improved because the contact areas or the wedge-shaped cavity can be arranged on both sides of this inner crossbar.
  • Claim 10 specifies a possibility of how the contact web can be connected to the inner web via bends, which results in the design options of claims 11 to 14 which, despite the transverse web located in the contact area, permit a limited elastic flexibility in the contact areas.
  • a spacer profile denoted by 1 in all — also different — exemplary embodiments serves to fix the individual panes 2 of an insulating glass pane in the edge region at the desired spacing from one another.
  • This spacer profile 1 is a hollow profile, which can preferably be filled with desiccant. In all of the exemplary embodiments it can be seen that this hollow profile is essentially delimited by two spaced-apart transverse webs 3 - outside - and 4 - inside - which run transversely to the plane of the pane and by approximately parallel to the plane of the page, generally designated 5. According to FIGS.
  • the side webs 5 serve only in some areas as an abutment for the individual disks 2 and are also provided with a sealing material 6 that remains permanently tough, the area 7 of the side webs 5 that has the sealing material 6 compared to the contact area 8 lying directly against the disks 2 the side webs 5 has a level difference to be described in the following, particularly clearly in FIGS. 2 and 3.
  • sealing material 6 protrudes toward the outside of the insulating glass pane beyond the wedge-shaped cavity 9 and extends to the transition web 10 and even covers its inside beginning, so that a very large cross-sectional length of the side region of the hollow profile 1 is covered with sealing material 6 , that is, vapor diffusion is opposed by a correspondingly long, but at the same time advantageously only very narrow sealing cross section.
  • the contact areas 8 are free of sealing material, so that even with the extreme pane movements according to FIGS. 4 and 5, a transition of sealing material into the space between the panes is excluded.
  • the web area 7 delimiting the wedge-shaped cavity 9 can have different cross-sectional shapes, preferably straight in cross-section and / or curved, for example, extending away from the disk plane.
  • a first web region 7a which is immediately adjacent to the contact region 8 has an approximately rectilinear cross section, on the outside of which the Transition web 10 adjoins a second, more receding region 7b of the web 5, one opposite the pane surface Includes larger angle than the web area 7a and could possibly even have a curved cross section.
  • the wedge-shaped cavity is therefore provided with two sections and, after its exit, has a suddenly increasing expansion.
  • transition from the contact area 8 of the side web 5 to the wedge-shaped cavity 9 can be a narrow or short, approximately z-shaped gradation 11 or offset, to which the Transverse web 3 or to the outer edge of the pane 2 adjoining the web region 7 which extends obliquely from the pane 2 to the transition web or the transverse web.
  • this gradation 11 can of course be provided for both mutually opposite side webs 5, that is to say one of the two in FIGS.
  • Fig. 2 it is indicated that the web area 8 pointing towards the inside of the pane, serving as a spacer and support, can in turn slant over at least part of its cross-sectional length relative to the pane surface or via a convex curvature.
  • a spacing system on the opposite side webs 5 for the glass panes 2 there is in each case a curved or angled transition 12 from which to the outside with formation of the wedge-shaped cavity 9 from the surface of the web 7 and the web region 8 also from the surface of the window.
  • a point-shaped or line-shaped contact along the side webs 5 can practically be formed, while in FIG. 6 a flat contact on the web area 8 is shown.
  • the transverse web 4 facing the space between the panes is offset to the outside with respect to the edge 13 of the profile 1 facing the space between the panes and via an inner web 14 with the edge 13 and the web area 8 serving as an attachment.
  • this inner cross piece 4 is located approximately in the contact area of the panes 2 and can counteract corresponding compressive forces better and also facilitate bending of the entire spacer profile 1 in the corner areas of a frame bent from this profile 1.
  • the cross-sectional length of the spacing web area 8 can be approximately two thirds of the cross-sectional length of the web length 7 delimiting the wedge-shaped sealing space 9 and can be, for example, two millimeters long.
  • the wedge-shaped cavity 9 then extends over approximately three millimeters, which results in a total cross-sectional length of the side web 5 of approximately five millimeters.
  • the wedge-shaped cavity 9 can expand from its starting point to approximately one to five tenths of a millimeter, preferably approximately two tenths or three tenths of a millimeter. This results in a very flat and narrow wedge-shaped cavity 9 with a correspondingly low need for sealing compound, but which nevertheless has a relatively large cross-sectional length overall, that is to say effectively prevents the penetration of moisture, especially since the diffusion width is very small in the desired manner.
  • the distance of the contact area 8 of the web resting against the pane 2 from the inner web 14 which is bent inwards relative to it can be approximately one tenth to two tenths of a millimeter. Since there is such a distance on both sides, a correspondingly high degree of flexibility can be provided within the spacer profile 1, which can absorb a first pressure of the two disks 2 towards one another elastically before an extrusion of the sealing material from the cavity or the opposite movement becomes significant.
  • the outer transverse web 3 - and also the transition web 10 - are covered in the use position with an elastic seal 15 which fills the groove-shaped space between the two individual disks 2 on the outside of the hollow profile 1. 4 and 5, this sealing compound 15, due to its own elasticity, can follow the respective flow movement of the permanently tough elastic sealing material 6 to a certain extent, that is to say in the event of a deformation of the two disks towards one another and a corresponding distance from them 4, not only is the sealing material 6 drawn more strongly into the then widening wedge-shaped cavity 9, but the sealing follows this retraction with a corresponding indentation 16 on its outside. Conversely, when the two panes bulge with the result of the pane edges approaching, sealing material is pressed out of the now narrowing cavity 9, which leads to bulges 17 on the outside of the sealing compound 15 according to FIG. 5.
  • an elastic, adaptable, high-efficiency seal is achieved with relatively little sealing material 6, in which the sealing material can follow the pane movements well without getting into the space between the panes.
  • This is favored by the already mentioned web areas which are in direct contact with the individual disks 2 and which can be moved resiliently in relation to one another and away from one another, provided the distance to the inner web 14 and the inner cross web 4 is present.
  • the spacer profile 1 for insulating glass panes is a hollow profile, in particular filled with desiccant, with two transverse webs 3 and 4 transversely to the plane of the pane and with two side webs 5 running parallel to the plane of the pane.
  • the side webs 5 have contact areas 8 directly adjacent to the panes 2 and towards the outside Disc level a level difference.
  • This level difference is formed in that the side webs 5, starting from their contact area 8 or also a contact point 12, at least over a part of their cross-section continuously and backwards to form a wedge-shaped cavity 9 with respect to the inner surface of the pane, this wedge-shaped cavity 9 with sealing material 6 is filled, which can be moved back and forth depending on the movements of the panes and changes in the wedge shape of the cavity without being able to get into the space between the panes.

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  • Engineering & Computer Science (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Securing Of Glass Panes Or The Like (AREA)
  • Joining Of Glass To Other Materials (AREA)

Abstract

A spacer profile (1) for insulating glazings is a hollow profile filled especially with drying medium and having two transverse webs (3 and 4) transverse to the pane plane and having two lateral webs (5) extending parallel to the pane plane. The lateral webs (5) have bearing regions (8) bearing directly against the panes (2) and a level difference in the outward direction in relation to the pane plane. This level difference is formed in that the lateral webs (5), starting from their bearing region (8) or also a bearing point (12), shift backwards relative to the pane inner face, at least over a part region of their cross-section, continuously outwards and thereby form a wedge-shaped cavity (9), this wedge-shaped cavity (9) being filled with sealing material (6) which can be moved to and fro according to the movements of the panes and the variation in the wedge shape of the cavity, without being capable of entering the space between the panes. <IMAGE>

Description

Die Erfindung betrifft eine Isolierglasscheibe mit zwei Einzelscheiben und einem Abstandhalterprofil gemäß dem Oberbegriff des Patentanspruches 1.The invention relates to an insulating glass pane with two individual panes and a spacer profile according to the preamble of claim 1.

Eine derartige Isolierglasscheibe mit Abstandhalterprofil ist aus der DE-A-33 37 058 bekannt. Der den Dichtungswerkstoff aufweisende Bereich der Seitenstege ist dabei jeweils durch in das Innere des Hohlprofiles gerichtete Nuten gebildet, die mit dem Dichtungswerkstoff gefüllt werden sollen. Dies hat den scheinbaren Vorteil, daß ein relativ großer Vorrat an Dichtungswerkstoff untergebracht werden kann, der bei Bewegungen der Scheiben durch Wind oder Druckunterschiede, sei es im Sinne eines Aufwölbens der beiden Scheiben oder eines Zusammenziehens ihres Zwischenraumes, für eine gleichbleibend gute Dichtigkeit sorgen soll. Wölben sich die beiden Scheiben an ihrem Zwischenraum auf, nähern sich ihre Randbereiche, so daß der Dichtungswerkstoff zusammengedrückt wird. Nähern sich die beiden Einzelscheiben im Bereich ihres Zwischenraumes, entfernen sich ihre Ränder voneinander, wobei dann der sowohl an den Scheibeninnenseiten als auch in der Nut haftende Dichtungswerkstoff zwar auseinandergezogen wird, aber seine Dichtigkeit ebenfalls behalten soll.Such an insulating glass pane with a spacer profile is known from DE-A-33 37 058. The region of the side webs which has the sealing material is in each case formed by grooves which are directed into the interior of the hollow profile and are to be filled with the sealing material. This has the apparent advantage that a relatively large supply of sealing material can be accommodated, which should ensure a consistently good seal when the panes move due to wind or pressure differences, be it in the sense of a bulging of the two panes or a contraction of their space. If the two panes bulge at their intermediate space, their edge regions approach so that the sealing material is compressed. If the two individual disks approach in the area of their interspace, their edges move away from each other, the sealing material adhering to both the inside of the disk and the groove being pulled apart, but should also retain its tightness.

Bei dieser Anordnung besteht jedoch die Gefahr, daß beim Auftragen der Dichtung durch den relativ großen Abstand einer zum Auftragen des Dichtungswerkstoffs dienenden Spritzdüse von dem außerdem konkav geformten Nutenboden der Spritzdruck nicht ausreicht, so daß es zu Lufteinschlüssen kommen kann oder der Dichtungswerkstoff nicht mit der gewünschten Haftung innerhalb der Nut eingebracht wird oder sogar stellenweise Unterbrechungen auftreten können. Eine entsprechend sorgfältige Kontrolle des Produktionsprozesses ist erforderlich.With this arrangement, however, there is a risk that when applying the seal due to the relatively large distance of a spray nozzle used to apply the sealing material from the concave-shaped groove bottom, the spray pressure will not be sufficient, so that air pockets may occur or the sealing material may not match the desired one Liability is introduced within the groove or even interruptions can occur in places. Appropriate careful control of the production process is required.

Darüber hinaus besteht bei einem Aufwölben des Zwischenraumes der beiden Scheiben, also einem Annähern ihrer beiden äußeren Ränder die Gefahr, daß der am Außenrand der Nuten befindliche Spalt zwischen Nutenrand und Scheibe so stark verengt oder gar verschlossen wird, daß unter dem Gesamtdruck Dichtungswerkstoff auch nach der Innenseite der Scheiben hin, also in den Anlagebereich der Seitenstege, ausweichen kann, insbesondere dann, wenn der Außenrand der Isolierglasscheibe mit einer festen Versiegelung versehen ist, die ein Ausweichen des Dichtungswerkstoffs ebenfalls erschwert. Es ist denkbar, daß im Extremfall Dichtungswerkstoff bis in den Scheibenzwischenraum gelangt, wo er unerwünscht und unschön ist.In addition, when the space between the two disks bulges, that is to say when their two outer edges approach each other, there is a risk that the gap between the groove edge and the disk on the outer edge of the grooves will be narrowed or even closed to such an extent that under the total pressure, the sealing material also after Can escape inside the panes, that is, in the contact area of the side webs, especially when the outer edge of the insulating glass pane is provided with a solid seal, which also makes it difficult for the sealing material to escape. It is conceivable that, in extreme cases, sealing material reaches the space between the panes, where it is undesirable and unsightly.

Außerdem benötigt diese vorbekannte Profilform mit Nuten zur Aufnahme des Dichtungswerkstoffs eine relativ große Menge an Dichtungswerkstoff, weil der gesamten Nutenquerschnitt damit gefüllt werden muß. Diese relativ große Menge an Dichtungswerkstoff ist nicht nur teuer, sondern sorgt vor allem bei dem schon erwähnten Aufwölben des Scheibenzwischenraumes dafür, daß ein entsprechend hoher Druck im Dichtungsbereich entsteht, wenn nämlich gleichzeitig der zunächst bei nichtverformten Scheiben nach außen offene schmale Spalt enger oder gar geschlossen wird. Es kann somit vor allem bei ständig wechselnden Verformungen der Scheiben zu einer Pumpwirkung kommen, bei der Dichtungsmasse nicht immer nur an dem nach außen gerichteten Öffnungsspalt hin- und herbewegt wird, sondern auch in den Anlagebereich bzw. das Scheibeninnere gelangt.In addition, this known profile shape with grooves for receiving the sealing material requires a relatively large amount of sealing material because the entire groove cross section must be filled with it. This relatively large amount of sealing material is not only expensive, but also ensures that a correspondingly high pressure arises in the sealing area, especially when the space between the panes bulges, as the narrow gap that is initially open to the outside in the case of non-deformed panes becomes narrower or even closed becomes. A pumping action can thus occur, especially in the case of constantly changing deformations of the panes, and not always only on the outwardly directed sealing compound Opening gap is moved back and forth, but also gets into the contact area or the inside of the pane.

Aus der GB-A-1 117 028 ist ein Abstandhalterprofil mit Trockenmittelfüllung bekannt, bei welchem zwei parallele Anschlagstege jeweils einen schrägen Übergang zu einem in Gebrauchsstellung an der Außenseite der Scheibe befindlichen gewölbten Stegbereich haben. Dieser Rücksprung von den seitlichen Anlagestegen ist mit einem dauerzähelastisch bleibenden Dichtungswerkstoff ausgefüllt, der von einem weiteren Dichtungswerkstoff abgeschlossen werden kann. Sind dabei auch die Seitenstege mit diesem Dichtungswerkstoff belegt, besteht die Gefahr, daß bei den vorstehend erwähnten Scheibenbewegungen Dichtungswerkstoff auch in den Scheibenzwischenraum befördert und gequetscht wird.From GB-A-1 117 028 a spacer profile with desiccant filling is known, in which two parallel stop webs each have an oblique transition to a curved web area located on the outside of the pane in the use position. This recess from the lateral contact webs is filled with a sealing material that remains permanently tough, which can be closed off by a further sealing material. If the side webs are also covered with this sealing material, there is a risk that the sealing material will also be conveyed and squeezed into the space between the panes during the above-mentioned pane movements.

Aus der DE-A-2 113 910 ist ein Abstandhalterprofil bekannt, bei welchem ballige Seitenstege über horizontale Stegabschnitte in einen in Gebrauchsstellung außenliegenden gewölbten Bereich übergehen. Dieser Übergangsbereich und ein durch einen Überstand der beiden Scheiben gebildeter Zwischenraum sind mit einer kittartigen Masse ausgefüllt, das heißt, ein dauerzähelastisch bleibender Dichtungswerkstoff ist an den Anlagestegen nicht vorgesehen. Somit hängt die Dichtigkeit ausschließlich von der kittartigen Dichtungsmasse ab.A spacer profile is known from DE-A-2 113 910, in which crowned side webs pass over horizontal web sections into an arched area which is external in the use position. This transition area and an intermediate space formed by a protrusion of the two panes are filled with a putty-like mass, that is to say that a sealing material that remains permanently tough is not provided on the contact webs. Thus, the tightness depends exclusively on the putty-like sealant.

Aus der FR-A-2 384 095 ist ein Abstandhalterprofil bekannt, welches ballige Anlagestege hat, die einen sich zum Scheibeninneren öffnenden keilförmigen Hohlraum begrenzen, so daß dort befindliche Dichtungsmasse bei Scheibenbewegungen erst recht in den Zwischenraum zwischen den beiden Scheiben ausgequetscht werden kann.From FR-A-2 384 095 a spacer profile is known which has spherical contact webs which delimit a wedge-shaped cavity opening towards the inside of the pane, so that sealant located there can be squeezed out into the space between the two panes when the pane moves.

Bei einem Abstandhalterprofil gemäß der US-A-3 280 523 sind die außenliegenden Bereiche der schrägen Übergangsstege gleichzeitig die für eine Linienberührung vorgesehenen Anlagebereiche, so daß mit dauerzähelastisch bleibendem Dichtungswerkstoff versehene Seitenstege vermieden sind. Somit kann jedoch auch ein solcher Dichtungswerkstoff nicht unmittelbar im Anlagebereich wirksam gemacht werden.In the case of a spacer profile in accordance with US Pat. No. 3,280,523, the outer regions are the inclined transition webs At the same time, the system areas provided for line contact, so that side webs provided with permanently tough elastic sealing material are avoided. However, such a sealing material cannot be made effective directly in the contact area.

Es besteht deshalb die Aufgabe, die Vorteile einer guten Dichtung der Isolierglasscheibe durch einen an Seitenstegen befindlichen Dichtungswerkstoff auch bei starken Bewegungen der Einzelscheiben aufrecht zu erhalten, dabei jedoch das Eindringen von Dichtungswerkstoff aufgrund solcher Scheibenbewegungen in den Scheibenzwischenraum zu vermeiden und trotzdem die erforderliche Menge an Dichtungswerkstoff klein zu halten.It is therefore the task of maintaining the advantages of a good sealing of the insulating glass pane by means of a sealing material located on the side webs even with strong movements of the individual panes, while avoiding the penetration of sealing material due to such pane movements into the space between the panes and still the required amount of sealing material to keep small.

Diese Aufgabe wird mit den Mitteln und Merkmalen des kennzeichnenden Teiles des Patentanspruches 1 gelöst.This object is achieved with the means and features of the characterizing part of patent claim 1.

Da also in dem mit Dichtungswerkstoff belegten Bereich keine einwärtsgerichteten Nuten vorhanden sind, kann die erforderliche Menge an Dichtungswerkstoff ohne Einbußen für die Dichtigkeit vermindert werden. Darüber hinaus wird an dieser Stelle die Querschnittsbreite der Dichtung praktisch über den gesamten Dichtungsbereich schmalgehalten, also eine vorteilhafte geringe Dampfdiffusionsbreite eingehalten. Gleichzeitig wird jedoch eine relativ große Querschnittslänge des Dichtungsbereiches mit einer entsprechend guten Dichtigkeit erzielt. Die Scheiben können die schon vorstehend erwähnten Bewegungen durchführen, denen sich der Dichtungswerkstoff bestmöglich dadurch anpassen kann, daß er entweder mehr durch die Verengung des keilförmigen Hohlraumes nach außen gedrückt oder aber zurückgesaugt wird, ohne daß innerhalb des Dichtungswerkstoffs durch einen immer schmaler werdenden Austrittsspalt höhere Drücke entstehen, die zu einem Übertritt in das Innere des Scheibenzwischenraumes führen könnten. Dennoch läßt sich ein derartig gestaltetes Abstandhalterprofil mit einem gleichbleibend hohen Spritzdruck mit Dichtungswerkstoff belegen, weil die Spritzdüse lediglich an die etwas geneigte Seitenwand angepaßt bzw. an dieser entsprechend dicht entlanggeführt werden muß, was problemlos und wesentlich einfacher als bei einer konkaven Nut möglich ist. Da keine Nut aufgefüllt werden muß, wird auch entsprechend wenig Dichtungswerkstoff benötigt.Since there are no inward-facing grooves in the area covered with sealing material, the required amount of sealing material can be reduced without sacrificing tightness. In addition, at this point the cross-sectional width of the seal is kept narrow practically over the entire seal area, that is to say an advantageous narrow vapor diffusion width is maintained. At the same time, however, a relatively large cross-sectional length of the sealing area is achieved with a correspondingly good seal. The disks can carry out the movements already mentioned, to which the sealing material can adapt in the best possible way, either by pushing it outward more by the narrowing of the wedge-shaped cavity or by sucking it back in, without higher pressures within the sealing material due to an increasingly narrow outlet gap arise that could lead to a transition into the interior of the space between the panes. Nevertheless, such a spacer profile can be designed cover with a consistently high spray pressure with sealing material, because the spray nozzle only has to be adapted to the slightly inclined side wall or has to be guided along it, which is easily and much easier than with a concave groove. Since no groove has to be filled, correspondingly little sealing material is required.

Vor allem ein Aufwölben des Scheibenzwischenraumes führt zu einer wesentlich gleichmäßigeren Belastung des Dichtungswerkstoffes im Sinne seines Fließens zum Außenrand hin, weil der keilförmige Hohlraum allmählich von innen nach außen verengt wird, also der schon erwähnte engerwerdende Durchtrittsspalt zwischen einer Nut und der Außenseite wegfällt. Gleichzeitig läßt sich ein derartiger keilförmiger Raum mit sehr spitzem Keilwinkel beim Zurückfedern der Scheiben entsprechend leicht wieder mit dem dauerzähelastischen und fließfähigen Dichtungswerkstoff füllen.Above all, a bulging of the space between the panes leads to a much more uniform loading of the sealing material in terms of its flow towards the outer edge, because the wedge-shaped cavity is gradually narrowed from the inside to the outside, i.e. the already mentioned narrowing passage gap between a groove and the outside is eliminated. At the same time, such a wedge-shaped space with a very acute wedge angle can be correspondingly easily filled again with the permanently tough and flowable sealing material when the discs spring back.

Ein weiterer wesentlicher Vorteil besteht dabei darin, daß beim Verpressen der mit dem Dichtungswerkstoff belegten Fläche mit den Scheiben nur relativ geringe Preßdrücke erforderlich sind, weil der Dichtungswerkstoff gezielt in den sich erweiternden keilförmigen Hohlraum ausweichen kann, so daß er gar keine Tendenz dazu hat, sich nach der "falschen" Seite hin, nämlich zum Scheibenzwischenraum hin zu pressen.Another important advantage is that when pressing the surface covered with the sealing material with the disks only relatively low pressing pressures are required because the sealing material can deliberately escape into the widening wedge-shaped cavity, so that it has no tendency to towards the "wrong" side, namely to press towards the space between the panes.

Ein weiterer Vorteil besteht darin, daß aufgrund des schräg verlaufenden Übergangssteges, der sich an den keilförmigen schmalen Hohlraum anschließt, Platz für eine randseitige Versiegelungsmasse geschaffen ist, die zusätzlich zu dem dauerzähelastisch bleibenden Dichtungswerkstoff wirksam werden kann. Der sehr flache und schmale keilförmige Hohlraum, der sich nur sehr gering erweitert, bewirkt in erwünschter Weise den entsprechend geringen Bedarf an Dichtungswerkstoff, der aber trotzdem insgesamt eine verhältnismäßig große Querschnittslänge einnimmt und somit das Eindringen von Feuchtigkeit effektiv verhindert, zumal die Diffusionsbreite, wie erwähnt, in erwünschter Weise sehr gering ist.Another advantage is that due to the inclined transition web, which adjoins the wedge-shaped narrow cavity, space is created for an edge-side sealing compound which can be effective in addition to the permanently tough elastic sealing material. The very flat and narrow wedge-shaped cavity, which widens only very slightly, desirably causes the correspondingly low need for sealing material, but it does nevertheless takes up a relatively large cross-sectional length overall and thus effectively prevents the ingress of moisture, especially since the diffusion width, as mentioned, is very small in a desired manner.

Dies kann noch verbessert werden, wenn sich der keilförmige Hohlraum von seinem Ausgangspunkt ausgehend auf etwa zwei Zehntel oder drei Zehntel Millimeter erweitert.This can be improved if the wedge-shaped cavity widens from its starting point to about two tenths or three tenths of a millimeter.

Vorteilhaft ist es, wenn der Dichtungswerkstoff nach der Außenseite der Isolierglasscheibe hin über den keilförmigen Hohlraum übersteht und bis an den Übergangssteg reicht oder dessen innenliegenden Anfang überdeckt. Dadurch kann die Querschnittslänge des Dichtungswerkstoffs weiter vergrößert und eine noch bessere Anpassung an Scheibenbewegungen erreicht werden, weil dann ein noch größerer Vorrat an Dichtungswerkstoff für die Hin- und Herbewegung bei den erwähnten Scheibenverformungen zur Verfügung steht.It is advantageous if the sealing material protrudes beyond the wedge-shaped cavity towards the outside of the insulating glass pane and extends to the transition web or covers the inside beginning thereof. As a result, the cross-sectional length of the sealing material can be increased further and an even better adaptation to disk movements can be achieved because an even larger supply of sealing material is then available for the reciprocating movement in the case of the disk deformations mentioned.

Eine besonders zweckmäßige und gleichzeitig einfache Ausführungsform der Erfindung kann darin bestehen, daß der den keilförmigen Hohlraum begrenzende Stegbereich im Querschnitt geradlinig und/oder von der Scheibenebene wegverlaufend, insbesondere konvex, gekrümmt ist.A particularly expedient and at the same time simple embodiment of the invention can consist in that the web area delimiting the wedge-shaped cavity is curved in cross-section in a straight line and / or extending, in particular convexly, away from the disk plane.

Dabei ist es besonders günstig, wenn ein dem Anlagebereich unmittelbar benachbarter erster zurückweichender Stegbereich einen etwa geradlinigen Querschnitt hat, an welchen sich nach außen zu dem Übergangssteg hin ein zweiter, stärker zurückweichender Bereich des Steges anschließen kann, der gegenüber der Scheibenfläche einen größeren Winkel einschließt und/oder einen gekrümmten Querschnitt hat. Der erste zurückweichende Stegbereich mit geradlinigem Querschnitt kann besonders einfach mit dem dauerzähelastisch bleibenden Werkstoff, zum Beispiel Butyl-Kautschuk, belegt werden, während der dann etwas stärker zurückweichende Stegbereich einen größeren Vorrat an Dichtungsmasse aufnehmen kann, so daß bei Aufrechterhaltung der vorerwähnten Vorteile einer guten und stetigen Anpassung beliebige Scheibenbewegungen ausgeglichen werden können.It is particularly expedient if a first receding web area immediately adjacent to the contact area has an approximately rectilinear cross-section, to which a second, more receding area of the web can connect toward the outside, which encloses a larger angle with respect to the pane surface and / or has a curved cross section. The first retreating Bridge area with a straight cross-section can be particularly easily covered with the permanently tough elastic material, for example butyl rubber, while the bridge area, which then retreats somewhat more, can accommodate a larger stock of sealant, so that any of the above-mentioned advantages of a good and constant adaptation can be maintained Disc movements can be compensated.

Um eine möglichst definierte Stelle zu erhalten, die als Sperre für den Dichtungswerkstoff zur Innenseite der Scheiben hin wirken kann, ist es zweckmäßig, wenn der Übergang von dem Anlagebereich des Seitensteges zu dem keilförmigen Hohlraum eine schmale oder kurze, insbesondere etwa z-förmige Abstufung oder Abkröpfung ist, an welche sich zum Quersteg oder zum Außenrand der Scheibe hin der schräg von der Scheibe weg zu dem Übergangssteg oder zu dem Quersteg verlaufende Stegbereich anschließt. Selbst unter ungünstigsten Bewegungsbedingungen und einem gewissen Gegendruck von einer außenseitigen Versiegelungsmasse kann der Dichtungswerkstoff eine solche kleine und kaum merkbare aber doch deutliche Abstufung nicht überwinden, weil gleichzeitig an dieser Abstufung der entsprechende Anpreßdruck der Scheiben an dem Abstandhalterprofil auftritt, so daß ein Übertreten von Dichtungswerkstoff aus dem keilförmigen Hohlraum in den Anlagebereich oder gar in den Scheibenzwischenraum ausgeschlossen erscheint.In order to obtain as defined a position as possible, which can act as a barrier for the sealing material towards the inside of the panes, it is expedient if the transition from the contact area of the side web to the wedge-shaped cavity has a narrow or short, in particular approximately z-shaped gradation or Bend is to which the web area, which runs obliquely away from the disk to the transition web or to the cross web, adjoins the crossbar or the outer edge of the disk. Even under the most unfavorable movement conditions and a certain counter pressure from an outside sealing compound, the sealing material cannot overcome such a small and hardly noticeable but significant gradation, because at the same time the corresponding contact pressure of the disks on the spacer profile occurs at this gradation, so that the sealing material does not pass over the wedge-shaped cavity in the contact area or even in the space between the panes appears excluded.

Eine Ausgestaltung der Erfindung von ganz erheblicher Bedeutung kann darin bestehen, daß der zum Scheibeninneren weisende, als Abstandhalterung und Anlage dienende Stegbereich über wenigstens einen Teil seiner Querschnittslänge seinerseits gegenüber der Scheibenoberfläche schräg oder über eine konvexe Krümmung zurückweicht. Auf diese Weise kann vor allem bei einer Verringerung des Scheibenabstandes im Scheibenzwischenraum durch einen entsprechenden Winddruck die Scheibe im Bereich ihres Abstandhalters um die an dem Seitensteg vorhandene Krümmung oder Richtungsänderung schwenken und pendeln, so daß unter Umständen die Berührstelle sogar je nach Scheibenverformung mehr nach innen oder außen wandert. Um so geringer ist die Neigung des Dichtungswerkstoffes, zum Inneren der Scheibe hin zu wandern.An embodiment of the invention of very considerable importance can consist in the fact that the web area facing the inside of the pane, serving as a spacer and system, in turn shrinks over at least part of its cross-sectional length with respect to the surface of the pane or via a convex curvature. In this way, especially when the distance between the panes in the space between the panes is reduced by a corresponding wind pressure, the pane in the area of its spacer can be increased by the amount present on the side web Swing the curvature or change of direction and swing, so that the contact point may even move inwards or outwards, depending on the deformation of the pane. The less the sealing material tends to migrate towards the inside of the pane.

Darüber hinaus hat diese Ausführungsform den erheblichen Vorteil, daß die Berührung zwischen dem Abstandhalterprofil und der Scheibe praktisch nur noch eine in Längsrichtung des Profiles verlaufende Linienberührung, im Querschnitt also eine Punktberührung ist, so daß der Wärme- bzw. Kälteübergang über das Profil auf ein Mindestmaß reduziert ist.In addition, this embodiment has the considerable advantage that the contact between the spacer profile and the disc is practically only a line contact running in the longitudinal direction of the profile, that is to say a point contact in cross section, so that the heat or cold transfer via the profile to a minimum is reduced.

Der vorstehend erwähnte Vorteil kann besonders gut erreicht werden, wenn als abstandhaltende Anlage an den einander gegenüberliegenden Seitenstegen für die Glasscheibe jeweils ein gewölbter oder gewinkelter Übergang von dem sich nach außenhin unter Bildung des keilförmigen Hohlraumes von der Scheibenoberfläche entfernenden Stegbereiches und dem sich zum Scheibeninneren hin ebenfalls von der Scheibenoberfläche entfernenden Stegbereich vorgesehen ist. Je nach Wahl der Schrägungswinkel kann dabei dafür gesorgt werden, daß selbst bei extremen Scheibenbewegungen die Linienberührung aufrechterhalten bleibt oder aber zur Verhinderung zu starker Verformungen in eine flächige Berührung zumindest an den zum Scheibeninnenraum gerichteten Stegbereichen übergeht.The above-mentioned advantage can be achieved particularly well if, as a spacing system on the opposite side webs for the glass pane, there is in each case an arched or angled transition from the web area which moves outward to form the wedge-shaped cavity from the pane surface and also towards the inside of the pane is provided from the web area removing the web surface. Depending on the choice of the helix angle, it can be ensured that the line contact is maintained even in the case of extreme pane movements or, to prevent excessive deformations, changes into a flat contact at least at the web areas facing the pane interior.

Weitere Ausgestaltungen des Abstandhalterprofiles insbesondere bezüglich der Anordnung der Querstege und des Überganges von den Seitenstegen zu den Querstegen, vor allem zu einem gegenüber dem inneren Rand des Profiles nach außen verlegten Quersteg, sind Gegenstand der Ansprüche 9 bis 14.Further refinements of the spacer profile, in particular with regard to the arrangement of the crosspieces and the transition from the sidepieces to the crosspieces, especially to a crosspiece which is laid outwards with respect to the inner edge of the profile, are the subject of claims 9 to 14.

Dabei hat die Maßnahme nach Anspruch 9 den Vorteil, daß vor allem im unmittelbaren Anlagebereich der beiden Scheiben die gegenseitige Abstützung durch den Quersteg verbessert wird, weil die Anlagebereiche bzw. der keilförmige Hohlraum beidseits dieses inneren Quersteges angeordnet sein können.The measure according to claim 9 has the advantage that especially in the immediate contact area of the two discs mutual support by the crossbar is improved because the contact areas or the wedge-shaped cavity can be arranged on both sides of this inner crossbar.

Anspruch 10 gibt dabei eine Möglichkeit an, wie der Anlagesteg mit dem Innensteg über Umbiegungen verbunden sein kann, woraus sich die Ausgestaltungsmöglichkeiten der Ansprüche 11 bis 14 ergeben, die trotz des im Anlagebereich befindlichen Quersteges eine begrenzte elastische Nachgiebigkeit an den Anlagebereichen zulassen.Claim 10 specifies a possibility of how the contact web can be connected to the inner web via bends, which results in the design options of claims 11 to 14 which, despite the transverse web located in the contact area, permit a limited elastic flexibility in the contact areas.

Nachstehend sind mehrere Ausführungsbeispiele der Erfindung mit ihren wesentlichen Einzelheiten anhand der Zeichnung näher beschrieben, wobei zum Teil innerhalb einer Figur beidseits der Symmetrieebene unterschiedliche Ausführungsformen dargestellt sind. Es zeigt in zum Teil schematisierter Darstellung:

Fig. 1
einen Querschnitt eines erfindungsgemäßen Abstandhalterprofiles vor dem Verpressen mit zwei Einzelscheiben, wobei an unter spitzem Winkel schräg verlaufenden Bereichen der Seitenstege ein zu verpressender Dichtungswerkstoff aufgetragen ist, wobei im rechten Teil der Darstellung von einem parallel zur Scheibenfläche verlaufenden Stegbereich der den Dichtungswerkstoff aufweisende Stegbereich unter einem Winkel unmittelbar angeschlossen ist und im linken Teil der Figur der Übergang zwischen dem zur Anlage bestimmten Stegbereich zu dem den Dichtungswerkstoff aufweisenden Stegbereich über eine z-förmige Abkröpfung erfolgt,
Fig. 2
das zwei verschiedene Ausführungsmöglichkeiten zeigende Abstandhalterprofil nach dem Verpressen mit zwei Einzelscheiben,
Fig. 3
eine abgewandelte Ausführungsform eines abstandhaltenden Hohlprofiles, bei welchem der zum Scheibenzwischenraum hin befindliche innere Quersteg von den inneren Rändern des Hohlprofiles ausgeht,
Fig. 4 bis 6
einen Querschnitt durch den Randbereich einer Isolierglasscheibe mit einem abstandhaltenden Hohlprofil gemäß der Erfindung, wobei die Einzelscheiben entweder gemäß Fig.4 am Zwischenraum aufeinanderzu- oder gemäß Fig.5 voneinanderwegbewegt sind, während sie bei Fig.6 ihre Normalstellung haben.
Several exemplary embodiments of the invention are described in more detail below with their essential details with reference to the drawing, different embodiments being shown in part within a figure on both sides of the plane of symmetry. It shows in a partially schematic representation:
Fig. 1
a cross-section of a spacer profile according to the invention before pressing with two individual disks, a sealing material to be pressed being applied to areas of the side webs which run obliquely at an acute angle, in the right part of the illustration of a web area running parallel to the disk surface, the web area having the sealing material at an angle is directly connected and in the left part of the figure the transition between the web area intended for the system and the web area comprising the sealing material takes place via a Z-shaped offset,
Fig. 2
the spacer profile showing two different design options after pressing with two individual disks,
Fig. 3
a modified embodiment of a spacing hollow profile, in which the inner transverse web located towards the space between the panes extends from the inner edges of the hollow profile,
4 to 6
a cross section through the edge region of an insulating glass pane with a spacing hollow profile according to the invention, wherein the individual panes are moved towards each other either according to Figure 4 at the intermediate space or apart from each other according to Figure 5, while they have their normal position in Figure 6.

Ein in allen - auch verschiedenen - Ausführungsbeispielen jeweils mit 1 bezeichnetes Abstandhalterprofil dient dazu, die Einzelscheiben 2 einer Isolierglasscheibe im Randbereich im gewünschten Abstand zueinander festzulegen. Dieses Abstandhalterprofil 1 ist ein Hohlprofil, welches bevorzugt mit Trockenmittel gefüllt sein kann. In allen Ausführungsbeispielen erkennt man, daß dieses Hohlprofil im wesentlichen von zwei voneinander beabstandeten, quer zur Scheibenebene verlaufenden Querstegen 3 - außen - und 4 - innen - und von etwa parallel zu den Scheibenebenen verlaufenden, im ganzen mit 5 bezeichneten Seitenstegen begrenzt ist. Gemäß Fig.2 bis 6 dienen die Seitenstege 5 nur bereichsweise als Anlage für die Einzelscheiben 2 und sind im übrigen mit einem dauerzähelastischbleibenden Dichtungswerkstoff 6 versehen, wobei der den Dichtungswerkstoff 6 aufweisende Bereich 7 der Seitenstege 5 gegenüber dem unmittelbar an den Scheiben 2 anliegenden Anlagebereich 8 der Seitenstege 5 einen im folgenden noch zu beschreibenden, vor allem in Fig.2 u.3 deutlich erkennbaren Niveauunterschied hat.A spacer profile, denoted by 1 in all — also different — exemplary embodiments serves to fix the individual panes 2 of an insulating glass pane in the edge region at the desired spacing from one another. This spacer profile 1 is a hollow profile, which can preferably be filled with desiccant. In all of the exemplary embodiments it can be seen that this hollow profile is essentially delimited by two spaced-apart transverse webs 3 - outside - and 4 - inside - which run transversely to the plane of the pane and by approximately parallel to the plane of the page, generally designated 5. According to FIGS. 2 to 6, the side webs 5 serve only in some areas as an abutment for the individual disks 2 and are also provided with a sealing material 6 that remains permanently tough, the area 7 of the side webs 5 that has the sealing material 6 compared to the contact area 8 lying directly against the disks 2 the side webs 5 has a level difference to be described in the following, particularly clearly in FIGS. 2 and 3.

Dieser Niveauunterschied ist dadurch gebildet, daß die Seitenstege 5 des Hohlprofiles ausgehend von ihrem Anlagebereich 8 zumindest über einen Teilbereich ihres Querschnittes nach außen, also zu dem Quersteg 3 hin, stetig unter Bildung eines keilförmigen Hohlraumes 9 gegenüber der Scheibenfläche oder - ebene zurückweichen, wobei der keilförmige Hohlraum 9 in Gebrauchsstellung gemäß den Figuren 2 bis 6 mit dem Dichtungswerkstoff 6 ausgefüllt ist. Dabei erkennt man in allen Ausführungsbeispielen zwischen dem außenseitigen Quersteg 3 und den Seitenstegen 5 jeweils noch einen unter einem relativ großen Winkel von zum Beispiel 45 Grad schrägverlaufenden Übergangssteg 10, bis an dessen Anfang der keilförmige Hohlraum 9 reicht. Figur 2 u. 3 verdeutlichen, daß der Dichtungswerkstoff 6 nach der Außenseite der Isolierglasscheibe hin über den keilförmigen Hohlraum 9 übersteht und bis an den Übergangssteg 10 reicht und dessen innenliegenden Anfang sogar noch überdeckt, so daß eine sehr große Querschnittslänge des Seitenbereiches des Hohlprofiles 1 mit Dichtungswerkstoff 6 belegt ist, also einer Dampfdiffusion ein entsprechend langer, gleichzeitig aber in vorteilhafter Weise nur sehr schmaler Dichtungsquerschnitt entgegensteht. Zur Innenseite der Scheibe hin sind jedoch die Anlagebereiche 8 frei von Dichtungswerkstoff, so daß selbst bei den extremen Scheibenbewegungen gemäß den Figuren 4 u.5 ein Übergang von Dichtungswerkstoff in den Scheibenzwischenraum ausgeschlossen wird.This level difference is formed in that the side webs 5 of the hollow profile starting from their contact area 8 At least over a portion of their cross-section to the outside, i.e. towards the crosspiece 3, steadily receding to form a wedge-shaped cavity 9 with respect to the pane surface or plane, the wedge-shaped cavity 9 being filled with the sealing material 6 in the position of use according to FIGS. 2 to 6 . It can be seen in all embodiments between the outside crosspiece 3 and the side crosspieces 5 in each case also a transitional crosspiece 10 which slopes at a relatively large angle of, for example, 45 degrees, until the wedge-shaped cavity 9 extends to the beginning thereof. Figure 2 u. 3 clarify that the sealing material 6 protrudes toward the outside of the insulating glass pane beyond the wedge-shaped cavity 9 and extends to the transition web 10 and even covers its inside beginning, so that a very large cross-sectional length of the side region of the hollow profile 1 is covered with sealing material 6 , that is, vapor diffusion is opposed by a correspondingly long, but at the same time advantageously only very narrow sealing cross section. Towards the inside of the pane, however, the contact areas 8 are free of sealing material, so that even with the extreme pane movements according to FIGS. 4 and 5, a transition of sealing material into the space between the panes is excluded.

Der den keilförmigen Hohlraum 9 begrenzende Stegbereich 7 kann unterschiedliche Querschnittsformen haben, bevorzugt im Querschnitt geradlinig und/oder von der Scheibenebene wegverlaufend zum Beispiel gekrümmt sein. Bei sämtlichen Ausführungsbeispielen, also den beiden in Fig.1 u.2 sowie den beiden in Fig. 3 enthaltenen Ausführungsbeispielen ist vorgesehen, daß ein dem Anlagebereich 8 unmittelbar benachbarter erster zurückweichender Stegbereich 7a einen etwa geradlinigen Querschnitt hat, an welchen sich nach außen zu dem Übergangssteg 10 hin ein zweiter, stärker zurückweichender Bereich 7b des Steges 5 anschließt, der gegenüber der Scheibenfläche einen größeren Winkel als der Stegbereich 7a einschließt und gegebenenfalls sogar einen gekrümmten Querschnitt haben könnte. In diesen Fällen ist also der keilförmige Hohlraum mit zwei Abschnitten versehen und hat nach seinem Ausgang hin eine plötzlich stärker zunehmende Erweiterung.The web area 7 delimiting the wedge-shaped cavity 9 can have different cross-sectional shapes, preferably straight in cross-section and / or curved, for example, extending away from the disk plane. In all of the exemplary embodiments, that is to say the two in FIGS. 1 and 2 as well as the two exemplary embodiments contained in FIG. 3, it is provided that a first web region 7a, which is immediately adjacent to the contact region 8, has an approximately rectilinear cross section, on the outside of which the Transition web 10 adjoins a second, more receding region 7b of the web 5, one opposite the pane surface Includes larger angle than the web area 7a and could possibly even have a curved cross section. In these cases, the wedge-shaped cavity is therefore provided with two sections and, after its exit, has a suddenly increasing expansion.

Sowohl in Fig. 1 u. 2 als auch in Fig.3 ist jeweils in der linken Darstellung angedeutet, daß der Übergang von dem Anlagebereich 8 des Seitensteges 5 zu dem keilförmigen Hohlraum 9 eine schmale oder kurze, etwa z-förmige Abstufung 11 oder Abkröpfung sein kann, an welche sich zum Quersteg 3 oder zum Außenrand der Scheibe 2 hin der schräg von der Scheibe 2 weg zu dem Übergangssteg oder dem Quersteg verlaufende Stegbereich 7 anschließt. Dies ergibt eine noch bessere Abgrenzung des Hohlraumes 9 von dem keinen Dichtungswerkstoff aufweisenden Anlagebereich 8. Es sei erwähnt, daß diese Abstufung 11 selbstverständlich bei beiden einander gegenüberliegenden Seitenstegen 5 vorgesehen sein kann, das heißt jeweils eine der in den Figuren 1 bis 3 beidseits der Mittellinie dargestellten Möglichkeiten kann jeweils auch an der gegenüberliegenden Seite erfüllt sein. Es ist aber auch möglich, die einander gegenüberliegenden Seitenstege 5 in der dargestellten Weise jeweils verschieden auszubilden, falls dies durch die Rahmenkonstruktion des Fensters oder unter Umständen unterschiedlich starke Belastungen und Bewegungen der beiden Einzelscheiben 2 zweckmäßig erscheinen sollte.Both in Fig. 1 u. 2 and also in FIG. 3 each is indicated in the left representation that the transition from the contact area 8 of the side web 5 to the wedge-shaped cavity 9 can be a narrow or short, approximately z-shaped gradation 11 or offset, to which the Transverse web 3 or to the outer edge of the pane 2 adjoining the web region 7 which extends obliquely from the pane 2 to the transition web or the transverse web. This results in an even better delimitation of the cavity 9 from the contact area 8 which does not have a sealing material. It should be mentioned that this gradation 11 can of course be provided for both mutually opposite side webs 5, that is to say one of the two in FIGS. 1 to 3 on either side of the center line shown options can also be met on the opposite side. However, it is also possible to design the mutually opposite side webs 5 differently in the manner shown, if this should appear expedient due to the frame construction of the window or, under certain circumstances, different loads and movements of the two individual panes 2.

In Fig. 2 ist angedeutet, daß der zum Scheibeninneren weisende, als Abstandhalterung und Anlage dienende Stegbereich 8 über wenigstens einen Teil seiner Querschnittslänge seinerseits gegenüber der Scheibenoberfläche schräg oder über eine konvexe Krümmung zurückweichen kann. Als abstandhaltende Anlage an den einander gegenüberliegenden Seitenstegen 5 für die Glasscheiben 2 ist in diesem Falle jeweils ein gewölbter oder gewinkelter Übergang 12 von dem sich nach außen hin unter Bildung des keilförmigen Hohlraumes 9 von der Scheibenoberfläche entfernenden Stegbereich 7 und dem sich zum Scheibeninnenraum hin ebenfalls von der Scheibenoberfläche entfernenden Stegbereich 8 vorgesehen. Auf diese Weise kann praktisch eine im Querschnitt punktförmige bzw. entlang den Seitenstegen 5 linienförmige Berührung gebildet werden, während bei Fig. 3 u. 6 eine flächige Berührung an dem Stegbereich 8 dargestellt ist.In Fig. 2 it is indicated that the web area 8 pointing towards the inside of the pane, serving as a spacer and support, can in turn slant over at least part of its cross-sectional length relative to the pane surface or via a convex curvature. In this case, as a spacing system on the opposite side webs 5 for the glass panes 2, there is in each case a curved or angled transition 12 from which to the outside with formation of the wedge-shaped cavity 9 from the surface of the web 7 and the web region 8 also from the surface of the window. In this way, a point-shaped or line-shaped contact along the side webs 5 can practically be formed, while in FIG. 6 a flat contact on the web area 8 is shown.

Bei den Ausführungsbeispielen gemäß Fig. 1, 2 und 4 bis 6 ist im Gegensatz zum Ausführungsbeispiel nach Fig. 3 der dem Scheibenzwischenraum zugewandte Quersteg 4 gegenüber dem dem Scheibenzwischenraum zugewandten Rand 13 des Profiles 1 nach außen hin versetzt und über einen Innensteg 14 mit dem Rand 13 und dem als Anlage dienenden Stegbereich 8 verbunden. Somit befindet sich dieser innere Quersteg 4 etwa in dem Berührbereich der Scheiben 2 und kann entsprechenden Druckkräften besser entgegenwirken und außerdem ein Biegen des gesamten Abstandhalterprofiles 1 in den Eckbereichen eines aus diesem Profil 1 gebogenen Rahmens erleichtern.In the exemplary embodiments according to FIGS. 1, 2 and 4 to 6, in contrast to the exemplary embodiment according to FIG. 3, the transverse web 4 facing the space between the panes is offset to the outside with respect to the edge 13 of the profile 1 facing the space between the panes and via an inner web 14 with the edge 13 and the web area 8 serving as an attachment. Thus, this inner cross piece 4 is located approximately in the contact area of the panes 2 and can counteract corresponding compressive forces better and also facilitate bending of the entire spacer profile 1 in the corner areas of a frame bent from this profile 1.

Dabei erkennt man, daß zwischen dem Anlagesteg 8 und dem Innensteg 14 von ihrem dem Zwischenraum am Rand 13 zugewandten Übergang über eine scharfe Umbiegung abgesehen ein Abstand besteht. Bevor also bei Druck auf die Scheiben 2 der innenliegende Quersteg 4 beaufschlagt wird, ist noch eine gewisse elastische Nachgiebigkeit des abstandhaltenden Profiles entsprechend diesem vorerwähnten Abstand gegeben.It can be seen that between the contact web 8 and the inner web 14 there is a distance apart from their transition towards the intermediate space at the edge 13 via a sharp bend. So before the inner crossbar 4 is acted upon by pressure on the panes 2, there is still a certain elastic flexibility of the spacing profile in accordance with this aforementioned distance.

Die Querschnittslänge des abstandhaltenden Stegbereiches 8 kann etwa zwei Drittel der Querschnittslänge des den keilförmigen Dichtungsraum 9 begrenzenden Steglänge 7 betragen und zum Beispiel zwei Millimeter lang sein. Somit erstreckt sich der keilförmige Hohlraum 9 dann über etwa drei Millimeter, woraus sich eine Gesamt-Querschnittslänge des Seitensteges 5 von etwa fünf Millimeter ergibt.The cross-sectional length of the spacing web area 8 can be approximately two thirds of the cross-sectional length of the web length 7 delimiting the wedge-shaped sealing space 9 and can be, for example, two millimeters long. The wedge-shaped cavity 9 then extends over approximately three millimeters, which results in a total cross-sectional length of the side web 5 of approximately five millimeters.

Dabei kann sich der keilförmige Hohlraum 9 von seinem Ausgangspunkt ausgehend etwa auf ein bis fünf Zehntel Millimeter, bevorzugt etwa zwei Zehntel oder drei Zehntel Millimeter erweitern. Somit ergibt sich ein sehr flacher und schmaler keilförmiger Hohlraum 9 mit einem entsprechend geringen Bedarf an Dichtungsmasse, die aber trotzdem insgesamt eine verhältnismäßig große Querschnittslänge hat, also das Eindringen von Feuchtigkeit effektiv verhindert, zumal die Diffusionsbreite in erwünschter Weise sehr gering ist.The wedge-shaped cavity 9 can expand from its starting point to approximately one to five tenths of a millimeter, preferably approximately two tenths or three tenths of a millimeter. This results in a very flat and narrow wedge-shaped cavity 9 with a correspondingly low need for sealing compound, but which nevertheless has a relatively large cross-sectional length overall, that is to say effectively prevents the penetration of moisture, especially since the diffusion width is very small in the desired manner.

Der Abstand des Anlagebereiches 8 des an der Scheibe 2 anliegenden Steges von dem ihm gegenüber nach innen umgebogenen Innensteg 14 kann etwa ein Zehntel bis zwei Zehntel Millimeter betragen. Da ein solcher Abstand an beiden Seiten vorhanden ist, kann eine entsprechend große Nachgiebigkeit innerhalb des Abstandhalterprofiles 1 vorgesehen werden, die einen ersten Druck der beiden Scheiben 2 aufeinanderzu elastisch auffangen kann, bevor eine Auspressung des Dichtungswerkstoffes aus dem Hohlraum oder die entgegengesetzte Bewegung erheblich wird.The distance of the contact area 8 of the web resting against the pane 2 from the inner web 14 which is bent inwards relative to it can be approximately one tenth to two tenths of a millimeter. Since there is such a distance on both sides, a correspondingly high degree of flexibility can be provided within the spacer profile 1, which can absorb a first pressure of the two disks 2 towards one another elastically before an extrusion of the sealing material from the cavity or the opposite movement becomes significant.

In allen Ausführungsbeispielen ist vorgesehen, daß der äußere Quersteg 3 - und auch der Übergangssteg 10 - in Gebrauchsstellung mit einer elastischen Versiegelung 15 überdeckt sind, die den nutförmigen Zwischenraum zwischen den beiden Einzelscheiben 2 an der Außenseite des Hohlprofiles 1 ausfüllt. Bei den schon erwähnten, in Fig. 4 und 5 dargestellten Scheibenbewegungen kann diese Versiegelungsmasse 15 aufgrund ihrer eigenen Elastizität der jeweiligen Fließbewegung des dauerzähelastischen Dichtungswerkstoffes 6 in gewissem Umfange folgen, das heißt bei einer Verformung der beiden Scheiben in der Scheibenmitte aufeinanderzu und einer entsprechenden Entfernung ihrer Ränder voneinander gemäß Fig. 4 wird nicht nur der Dichtungswerkstoff 6 stärker in den dann sich vergrößernden keilförmigen Hohlraum 9 eingezogen, sondern die Versiegelung folgt dieser Einziehung mit einer entsprechenden Eindellung 16 an ihrer Außenseite. Umgekehrt wird bei einem Aufwölben der beiden Scheiben mit der Folge des Annäherns der Scheibenränder Dichtungswerkstoff aus dem sich nun verengenden Hohlraum 9 nach außen gedrückt, was zu Aufwölbungen 17 an der Außenseite der Versiegelungsmasse 15 gemäß Fig.5 führt.In all exemplary embodiments, it is provided that the outer transverse web 3 - and also the transition web 10 - are covered in the use position with an elastic seal 15 which fills the groove-shaped space between the two individual disks 2 on the outside of the hollow profile 1. 4 and 5, this sealing compound 15, due to its own elasticity, can follow the respective flow movement of the permanently tough elastic sealing material 6 to a certain extent, that is to say in the event of a deformation of the two disks towards one another and a corresponding distance from them 4, not only is the sealing material 6 drawn more strongly into the then widening wedge-shaped cavity 9, but the sealing follows this retraction with a corresponding indentation 16 on its outside. Conversely, when the two panes bulge with the result of the pane edges approaching, sealing material is pressed out of the now narrowing cavity 9, which leads to bulges 17 on the outside of the sealing compound 15 according to FIG. 5.

Insgesamt ist also eine elastische anpassungsfähige Abdichtung hoher Effizienz mit relativ wenig Dichtungswerkstoff 6 erreicht, bei der der Dichtungswerkstoff den Scheibenbewegungen gut folgen kann, ohne in den Scheibenzwischenraum zu gelangen. Begünstigt wird dies durch die schon erwähnte, unmittelbar an den Einzelscheiben 2 anliegenden Stegbereiche, die federnd elastisch gegeneinander und voneinanderweg bewegbar sind, sofern der Abstand zu dem Innensteg 14 und dem inneren Quersteg 4 vorhanden ist.Overall, an elastic, adaptable, high-efficiency seal is achieved with relatively little sealing material 6, in which the sealing material can follow the pane movements well without getting into the space between the panes. This is favored by the already mentioned web areas which are in direct contact with the individual disks 2 and which can be moved resiliently in relation to one another and away from one another, provided the distance to the inner web 14 and the inner cross web 4 is present.

Das Abstandhalterprofil 1 für Isolierglasscheiben ist ein insbesondere mit Trockenmittel gefülltes Hohlprofil mit zwei Querstegen 3 u.4 quer zur Scheibenebene und mit zwei parallel zur Scheibenebene verlaufenden Seitenstegen 5. Die Seitenstege 5 haben unmittelbar an den Scheiben 2 anliegende Anlagebereiche 8 und nach außen hin gegenüber der Scheibenebene einen Niveauunterschied. Dieser Niveauunterschied ist dadurch gebildet, daß die Seitenstege 5 ausgehend von ihrem Anlagebereich 8 oder auch einem Anlagepunkt 12 zumindest über einen Teilbereich ihres Querschnittes nach außen hin stetig und unter Bildung eines keilförmigen Hohlraumes 9 gegenüber der Scheibeninnenfläche zurückweichen, wobei dieser keilförmige Hohlraum 9 mit Dichtungswerkstoff 6 ausgefüllt ist, der je nach Bewegungen der Scheiben und Veränderung der Keilform des Hohlraumes hin- und herbewegt werden kann, ohne in den Scheibenzwischenraum gelangen zu können.The spacer profile 1 for insulating glass panes is a hollow profile, in particular filled with desiccant, with two transverse webs 3 and 4 transversely to the plane of the pane and with two side webs 5 running parallel to the plane of the pane. The side webs 5 have contact areas 8 directly adjacent to the panes 2 and towards the outside Disc level a level difference. This level difference is formed in that the side webs 5, starting from their contact area 8 or also a contact point 12, at least over a part of their cross-section continuously and backwards to form a wedge-shaped cavity 9 with respect to the inner surface of the pane, this wedge-shaped cavity 9 with sealing material 6 is filled, which can be moved back and forth depending on the movements of the panes and changes in the wedge shape of the cavity without being able to get into the space between the panes.

Claims (14)

  1. An insulating glazing unit having single panes and a spacer profile (1) consisting of a hollow profile, particularly one filled with dessicant, which hollow profile is defined by two spaced cross webs (3, 4) extending crosswise to the plane of the panes, and by side webs (5) extending approximately parallel to the plane of the panes, wherein some regions of the side webs (5) serve to bear against the single panes (2) and the side webs (5) are provided with a sealing material (6) of permanent tenacious elasticity and the area (7) of the side webs (5) provided with the sealing material (6) has a difference of level compared to the contact area (8) of the side webs (5) directly bearing against the panes (2) and wherein a transition web (10) extending slantwise is provided between the external cross web (3) and each of the side webs (5), characterized in that the side webs (5) of the hollow profile depart from their contact area (8) in such a way that, at least over a portion of their cross section, they recede steadily outwardly, forming a wedge-shaped cavity (9) relative to the face or plane of the panes, that the wedge-shaped cavity (9) widens from its starting point to about one to five tenths of a millimetre and extends to the beginning of the slanting transition web (10), said transition web (10) extending slantwise at a larger angle relative to the web area (7) defining the wedge-shaped cavity (9), and that the wedge-shaped cavity (9) is filled with sealing material (6).
  2. An insulating glazing unit as claimed in claim 1, characterized in that the wedge-shaped cavity (9) widens to about two tenths or three tenths of a millimetre from its starting point to the slanting transition web (10).
  3. An insulating glazing unit as claimed in claim 1 or claim 2, characterized in that the sealing material (6) projects up over the wedge-shaped cavity (9) towards the outside of the insulating glazing unit and extends to, or covers the inner beginning of, the transition webs (10).
  4. An insulating glazing unit as claimed in any one of claims 1 to 3, characterized in that in cross section the web area (7) defining the wedge-shaped cavity (9) takes a straight-lined course and/or takes a curved course, particularly one of convex curvature, away from the plane of the pane.
  5. An insulating glazing unit as claimed in any one of claims 1 to 4, characterized in that a first receding web area (7a) directly adjacent to the contact area (8) has a substantially straight-lined cross section, adjoined outwardly by a second web (5) area (7b) which recedes more sharply and includes a larger angle relative to the face of the pane and/or is of curved cross section.
  6. An insulating glazing unit as claimed in any one of claims 1 to 5, characterized in that the transition from the contact area (8) of the side web (5) to the wedge-shaped cavity (9) can be a tight or short, particularly an approximately z-shaped step (11) or bend adjoined, towards the cross web (3) or towards the outer edge of the pane (2), by the web area (7) running slantwise away from the pane (2) to the transition web or to the cross web.
  7. An insulating glazing unit as claimed in any one of the preceding claims, characterized in that the web area (8) pointing towards the interior of the panes and serving as spacer and abutment may in turn recede over at least part of its cross-sectional length slantwise or by way of a convex curvature relative to the pane surface.
  8. An insulating glazing unit as claimed in any one of claims 1 to 7, characterized in that the mutually opposed side webs (5) are provided with a spacing abutment for the glass panes (2) in the form of a curved or angled transition (12) from the web area (7) outwardly departing from the pane surface, so as to form a wedge-shaped cavity (9), and the web area (8) likewise departing from the pane surface towards the interior of the panes.
  9. An insulating glazing unit as claimed in any one of claims 1 to 8, characterized in that the cross web (4) facing the space between the panes is offset towards the outside relative to the profile (1) edge (13) facing the space between the panes and is connected, via an inner web (14), to the edge (13) of the profile and to the web area (8) serving as abutment.
  10. An insulating glazing unit as claimed in any one of claims 1 to 9, characterized in that between the contact web (8) and the inner web (14) there is a clearance, except for the transition by way of a sharp bend facing the interspace.
  11. An insulating glazing unit as claimed in any one of claims 1 to 10, characterized in that the cross-sectional length of the spacing web area (8) is about two thirds of the cross-sectional length of the web length (7) defining the wedge-shaped sealing cavity (9) and is for example two millimetres long.
  12. An insulating glazing unit as claimed in any one of claims 1 to 11, characterized in that the clearance between the contact area (8) of the web bearingg against the pane (2) and the opposed, inwardly bent inner web (14) is about one tenth to two tenths of a millimetre.
  13. An insulating glazing unit as claimed in any one of claims 1 to 12, characterized in that in the position of use the outer cross web (3) thereof is covered by an elastic sealer (15) filling the channel-like space between the two single panes (2) at the outside of the hollow profile (1).
  14. An insulating glazing unit as claimed in any one of claims 1 to 13, characterized in that the web areas bearing directly against the single panes (2) are springily movable toward and away from each other.
EP92114894A 1991-09-17 1992-09-01 Insulating glazings with spacer profile Expired - Lifetime EP0534175B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4130813A DE4130813A1 (en) 1991-09-17 1991-09-17 SPACER PROFILE FOR INSULATING GLASS PANELS
DE4130813 1991-09-17

Publications (2)

Publication Number Publication Date
EP0534175A1 EP0534175A1 (en) 1993-03-31
EP0534175B1 true EP0534175B1 (en) 1997-04-02

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Family Applications (1)

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EP92114894A Expired - Lifetime EP0534175B1 (en) 1991-09-17 1992-09-01 Insulating glazings with spacer profile

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EP (1) EP0534175B1 (en)
AT (1) ATE151147T1 (en)
DE (2) DE4130813A1 (en)
DK (1) DK0534175T3 (en)

Cited By (2)

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Publication number Priority date Publication date Assignee Title
GB2290823A (en) * 1994-06-30 1996-01-10 Glaverbel Multiple glazing spacer and unit
WO2001088319A1 (en) 2000-05-13 2001-11-22 Bayer Isolierglas- Und Maschinentechnik Gmbh Insulating glass pane with individual plates and a spacer profile

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US6739101B2 (en) * 2001-01-19 2004-05-25 Cardinal Ig Company Methods and apparatus for manufacturing muntin bar assemblies
EP1447513A1 (en) * 2003-02-12 2004-08-18 Glas Trösch Holding AG Insulating glazing and method for making the same

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DE7312688U (en) * 1973-07-05 Arnold Alfred Insulating washer
US3280523A (en) * 1964-01-08 1966-10-25 Pittsburgh Plate Glass Co Multiple glazing unit
GB1117028A (en) * 1966-01-28 1968-06-12 Leslie Brian Farmiloe Improvements in or relating to double or multi-glazed units
DE2031812A1 (en) * 1970-06-26 1971-12-30 IG-Glas Spezialvertrieb GmbH, 8059 Moosinning Spacer for an insulating glass unit
DE2113910A1 (en) * 1971-03-23 1972-09-28 Imp Glas Gmbh & Co Glashandels Metallic spacer for multi-pane units
DE2711937A1 (en) * 1977-03-18 1978-09-28 Bostik Gmbh INSULATING GLASS WITH SPACERS GLUED TO THE PANELS
DE8228839U1 (en) * 1982-10-14 1983-02-03 Friedrich Holve, Profilzieherei und Metallwarenfabrik, KG, 5870 Hemer Rolled hollow profile to hold the panes of a multi-pane insulating glass apart
DE3337058C1 (en) * 1983-10-12 1985-02-28 Julius & August Erbslöh GmbH & Co, 5600 Wuppertal Spacers for windows, doors or the like.
US4608796A (en) * 1984-06-22 1986-09-02 Hordis Brothers, Inc. Multiple pane glass unit
CA1290625C (en) * 1985-11-07 1991-10-15 Gunter Berdan Spacer assembly for multiple glazed unit

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2290823A (en) * 1994-06-30 1996-01-10 Glaverbel Multiple glazing spacer and unit
US5640815A (en) * 1994-06-30 1997-06-24 Glaverbel Multiple glazing unit
GB2290823B (en) * 1994-06-30 1998-09-23 Glaverbel Multiple glazing unit
WO2001088319A1 (en) 2000-05-13 2001-11-22 Bayer Isolierglas- Und Maschinentechnik Gmbh Insulating glass pane with individual plates and a spacer profile
DE10023541A1 (en) * 2000-05-13 2001-11-22 Bayer Isolierglas & Maschtech Insulating glass pane; has individual panes and hollow spacer profile filled with desiccant to seal edges of pane on inside and having transverse and side bars with sealing material to support pane
DE10023541C2 (en) * 2000-05-13 2002-09-19 Bayer Isolierglas & Maschtech Insulating glass pane with single panes and with a spacer profile
US6737129B2 (en) 2000-05-13 2004-05-18 Bayer Isolierglas- Und Maschinentechnik Gmbh Insulating glass pane with individual plates and a spacer profile

Also Published As

Publication number Publication date
DE59208288D1 (en) 1997-05-07
DK0534175T3 (en) 1997-10-13
EP0534175A1 (en) 1993-03-31
ATE151147T1 (en) 1997-04-15
DE4130813A1 (en) 1993-03-25

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