EP2561169B1 - Spacer - Google Patents

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Publication number
EP2561169B1
EP2561169B1 EP11716511.8A EP11716511A EP2561169B1 EP 2561169 B1 EP2561169 B1 EP 2561169B1 EP 11716511 A EP11716511 A EP 11716511A EP 2561169 B1 EP2561169 B1 EP 2561169B1
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EP
European Patent Office
Prior art keywords
spacer
fibers
metal mesh
metal
outer face
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.)
Active
Application number
EP11716511.8A
Other languages
German (de)
French (fr)
Other versions
EP2561169A2 (en
EP2561169B8 (en
Inventor
Heiko Trautz
Hans Trautz
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.)
S&T Components & CoKG GmbH
Original Assignee
S&t Components Gmbh&cokg
S and T Components GmbH and Co KG
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Publication date
Application filed by S&t Components Gmbh&cokg, S and T Components GmbH and Co KG filed Critical S&t Components Gmbh&cokg
Priority to PL11716511T priority Critical patent/PL2561169T3/en
Publication of EP2561169A2 publication Critical patent/EP2561169A2/en
Application granted granted Critical
Publication of EP2561169B1 publication Critical patent/EP2561169B1/en
Publication of EP2561169B8 publication Critical patent/EP2561169B8/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • 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
    • E06B3/66304Discrete spacing elements, e.g. for evacuated glazing units
    • 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
    • E06B3/66319Section members positioned at the edges of the glazing unit of tubular shape of rubber, plastics or similar materials
    • 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
    • E06B2003/6638Section members positioned at the edges of the glazing unit with coatings
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00Stock material or miscellaneous articles
    • Y10T428/13Hollow or container type article [e.g., tube, vase, etc.]
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00Stock material or miscellaneous articles
    • Y10T428/13Hollow or container type article [e.g., tube, vase, etc.]
    • Y10T428/1303Paper containing [e.g., paperboard, cardboard, fiberboard, etc.]
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00Stock material or miscellaneous articles
    • Y10T428/13Hollow or container type article [e.g., tube, vase, etc.]
    • Y10T428/1352Polymer or resin containing [i.e., natural or synthetic]
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00Stock material or miscellaneous articles
    • Y10T428/13Hollow or container type article [e.g., tube, vase, etc.]
    • Y10T428/1352Polymer or resin containing [i.e., natural or synthetic]
    • Y10T428/1355Elemental metal containing [e.g., substrate, foil, film, coating, etc.]
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00Stock material or miscellaneous articles
    • Y10T428/13Hollow or container type article [e.g., tube, vase, etc.]
    • Y10T428/1352Polymer or resin containing [i.e., natural or synthetic]
    • Y10T428/1355Elemental metal containing [e.g., substrate, foil, film, coating, etc.]
    • Y10T428/1359Three or more layers [continuous layer]
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00Stock material or miscellaneous articles
    • Y10T428/13Hollow or container type article [e.g., tube, vase, etc.]
    • Y10T428/1352Polymer or resin containing [i.e., natural or synthetic]
    • Y10T428/139Open-ended, self-supporting conduit, cylinder, or tube-type article

Definitions

  • the present invention relates to a spacer for multi-pane double glazing with a base body having parallel contact surfaces for discs, and an outer surface and an inner surface, each connecting the two contact surfaces, wherein the base body is formed of a plastic and at least one metal layer on the Having outer surface.
  • a spacer of the aforementioned type is for example made DE 198 07 454 A1 known. Also the pamphlets WO / 00 / 05475A1 and DE 195 33 685 A1 show solutions of spacers. Although the spacers described therein have proven themselves in practice, it remains desirable to improve them, in particular with regard to strength and thermal conductivity behavior.
  • DE 198 07 454 A1 discloses all features of the preamble of claim 1 and claim 2.
  • the object of the present invention is therefore to develop the aforementioned spacer so that it has high stability with simple production and has a low thermal conductivity.
  • a metal net or a non-metallic net is provided, which is embedded in the base body. Furthermore, the outer surface has a bead, and the metal layer extends from the contact surface over the outer surface to the other contact surface and is interrupted in a strip-shaped region. The strip-shaped area is provided at the bottom of the bead.
  • the spacer consists of a plastic, wherein in the plastic, a metal net or a non-metallic mesh is provided for reinforcement.
  • the embedded network it is possible to further reduce the wall thicknesses of the usually formed as a hollow profile body without obtaining strength problems. A reduced wall thickness has the result that the thermal conductivity of the body is reduced.
  • the embedded mesh has the advantage that the spacers are less likely to sag
  • a net is a sheet of thin wires or fibers with regular meshes or apertures.
  • the meshes or openings may be formed, for example, rhombic, square or hexagonal.
  • the mesh size may be in the range of 0.84 to 1 mm for rectangular openings, for example.
  • the diameter of the wire or fibers may be in the range of 0.16 mm
  • a metal mesh In comparison to solutions in which a metal foil is embedded in the base body, a metal mesh has the advantage that the plastic does not detach from the metal mesh. A release of the plastic can possibly lead to moisture problems.
  • the production of the spacer according to the invention is simple, since the metal mesh can be supplied during the conventional extrusion process for the production of the hollow profile base body.
  • an embedded metal mesh also has the advantage that the plastic does not dissolve from the metal mesh during thermal expansion, as would be the case with a metal foil.
  • the formation of cavities in the body can be avoided in this way.
  • the present invention Compared to solutions in which, for example, glass fibers are added to the plastic material for reinforcement, the present invention has the advantage of easier control of the manufacturing process.
  • the addition of glass fibers is problematic in that too small an amount does not provide the desired reinforcing effect and too large an amount makes the material very brittle. In addition, it is problematic to further dilute the wall thicknesses.
  • the spacer according to the invention in contrast to the previous solutions with short- and long-fiber-reinforced plastics, no fibers are present in the outer region. Since the heat transfer of the fiber is usually higher than that of the plastic, the heat transfer of the spacer is increased in the previous solutions.
  • the spacer according to the invention has no fibers in the outer regions, so that a reduction of the heat transfer is observed.
  • Non-metallic fibers are, for example, inorganic fibers such as basalt fibers, boron fibers, glass fibers, ceramic fibers, silica fibers, organic fibers such as aramid fibers, carbon fibers, polyester fibers, Nylon fibers, Polyethylenfasem, Plexiglas fibers, or natural fibers such as wood fibers, flax fibers, hemp fibers or sisal fibers.
  • inorganic fibers such as basalt fibers, boron fibers, glass fibers, ceramic fibers, silica fibers, organic fibers such as aramid fibers, carbon fibers, polyester fibers, Nylon fibers, Polyethylenfasem, Plexiglas fibers, or natural fibers such as wood fibers, flax fibers, hemp fibers or sisal fibers.
  • the metal layer extends from one abutment surface over the outer surface to the other abutment surface, wherein the metal layer is interrupted in a strip-shaped region, wherein a sealing material, preferably butyl (butyl rubber), is preferably provided in this strip-shaped region.
  • a sealing material preferably butyl (butyl rubber)
  • a bead is provided in the outer surface, wherein the strip-shaped region lies on the bead base.
  • the metal net or the non-metallic net extends all the way along the contact surfaces and the outer surface and the inner surface.
  • the metal net or the non-metallic net completely circulates within the body.
  • the advantage of this measure is that the strength can be further increased compared to a solution in which the metal net or the non-metallic mesh - viewed in cross-section - is not provided in all parts of the body. It is understood that the circulating metal net or the non-metallic mesh must not be formed in one piece, but that also two or more network sections may be provided, which may partially overlap or have a certain distance from each other.
  • the metal mesh is made of stainless steel. More preferably, the metal net or the non-metallic mesh has a mesh size in the range of 1 mm to 1 mm, preferably 0.8 mm to 1 mm. Preferably, the fibers of the metal net or the non-metallic mesh each have a diameter of 0.1 mm to 0.2 mm.
  • a spacer is shown schematically in cross-section and designated by the reference numeral 10.
  • the spacer 10 serves on the one hand to keep two schematically indicated slices 12 of a multi-pane insulating glazing at a distance and on the other hand to seal the resulting space between the panes 12. Since the function of a spacer 10 is well known, it will not be discussed further.
  • the spacer 10 comprises an elongated, preferably extruded, cavity-containing base body 14, which in Fig. 1 is shown cut perpendicular to the longitudinal axis.
  • the main body 14 has - viewed in cross section - a running around the longitudinal axis of the wall 15 which completely surrounds the interior 17 of the main body 14.
  • the wall thickness of the wall 15 is the same everywhere.
  • the wall 15 is divided into two abutment surfaces 18, which run parallel to each other and which are designed to abut against the discs 12.
  • the two contact surfaces 18 are interconnected by an inner surface 16, wherein the inner surface 16 faces the interior of the multi-pane insulating glazing.
  • the inner surface 16 is flat and extends perpendicular to the two contact surfaces 18th
  • the inner surface 16 opposite is an outer surface 20, which merges at its two respective edges 12 facing a disc in an inclined surface 22, which is then connected to the respective abutment surface 18.
  • a bead 30 is provided centrally and extending in the longitudinal direction, which protrudes into the inner space 17 and forms a longitudinal recess or groove 32 on the outer surface 20.
  • the bead 30 serves, in particular, to increase the strength or stiffness of the elongate spacer 10.
  • a metal foil 40 is applied, in particular adhesively bonded by means of a PU adhesive.
  • the metal foil 40 extends from one of the two contact surfaces 18 via the following inclined surface 22, the outer surface 20, the inclined surface 22 to the other contact surface 18.
  • the metal foil 20 ends in each case in a lower region of the contact surface 18, so it does not cover the entire contact surface 18th
  • the metal foil 40 is preferably made of stainless steel, wherein a material thickness of 0.01 mm is selected.
  • the metal foil 40 is interrupted in the region of the groove 32, so that the groove bottom 34 is not covered by the metal foil 40.
  • a sealing material is provided, in the present embodiment, butyl 42.
  • the butyl 42 completely covers the groove base 34 and is introduced in a material thickness, so that there is also contact with the two ends of the metal foil 40.
  • the main body 14 is produced by extrusion as a hollow profile.
  • the material used is a plastic, preferably a thermoplastic, for example Luran from BASF. In contrast to known solutions, however, the plastic is not mixed with glass fibers or the like.
  • a net in particular a metal net or a non-metallic net is embedded during the extrusion process, which is clearly visible in Figs. La to d and is designated by the reference numeral 50.
  • a metal net 50 will be described purely by way of example.
  • the metal net extends-viewed in cross-section - around the entire wall 15, that is along the inner surface 16, the two contact surfaces 18, the two inclined surfaces 22 and along the outer surface 20. Relative to the wall thickness, the metal mesh 50 is arranged centrally.
  • the metal net 50 does not necessarily have to be provided completely circumferentially in the wall 15. It would be better too conceivable that a metal mesh is provided only in individual areas of the wall 15.
  • the metal mesh is a sheet of thin metal wires or metal fibers with regular meshes or openings.
  • the meshes or openings may be formed, for example, rhombic, square or hexagonal.
  • the mesh size may be in the range of 0.84 to 1 mm for rectangular openings, for example.
  • the diameter of the metal wire may be in the range of 0.16 mm.
  • stainless steel is used as the material for the metal mesh, wherein in particular a material should be selected which corresponds to the material of the metal foil 40.
  • the metal net may be a nodeless net or a net where the crossing points are linked or otherwise stabilized.
  • a spacer according to another embodiment is shown, wherein like parts with the same reference numerals as in Fig. 1 Marked are.
  • the spacer which is identified by the reference numeral 10 ', differs only insignificantly from the described spacer 10.
  • the two contact surfaces 18 are formed extended, so that form opposite the inner surface 16 projecting webs 36.
  • the inner surface 16 is therefore slightly lower than the upper edge of the webs 36, as in Fig. 2d easy to recognize.
  • the advantage of this embodiment is that the thermal conductivity between the two contact surfaces 18 is further reduced.
  • FIG. 3 3 a third embodiment of a spacer is shown and designated by the reference numeral 10 ".
  • This spacer 10" essentially corresponds to the spacer 10 of FIG Fig. 1 so that reference can be made to the statements there.
  • the metal net 50 does not extend completely through the wall 15. Rather, a strip-shaped region 52 is provided in the inner surface 16, which is metal net free. In other words, the two ends of the metal net do not adjoin or overlap but end at a distance from one another.
  • the use of a metal mesh provides additional reinforcement of the body, in order to have a way to reduce the wall thicknesses in this way. In this way, the thermal conductivity of the spacer can be further reduced.
  • each of the spacers described above can also be provided with a net of a non-metallic fiber material. All information regarding the construction of the spacer continue to apply when using a non-metallic mesh, so that reference can be made to the previous statements.
  • Non-metallic fibers are, for example, inorganic fibers such as basalt fibers, boron fibers, glass fibers, ceramic fibers, kleselklaremaschinen, organic fibers such as aramid fibers, carbon fibers, polyester fibers, nylon fibers, polyethylene fibers, Plexiglasmaschinen, or natural fibers such as wood fibers, flax fibers, hemp fibers or sisal fibers.
  • inorganic fibers such as basalt fibers, boron fibers, glass fibers, ceramic fibers, kleselklaremaschinen
  • organic fibers such as aramid fibers, carbon fibers, polyester fibers, nylon fibers, polyethylene fibers, Plexiglasmaschinen, or natural fibers such as wood fibers, flax fibers, hemp fibers or sisal fibers.

Description

Die vorliegende Erfindung betrifft einen Abstandhalter für Mehrscheiben-Isolierverglasung mit einem Grundkörper, der parallel verlaufende Anlageflächen für Scheiben, sowie eine Außenfläche und eine Innenfläche aufweist, die jeweils die beiden Anlageflächen verbinden, wobei der Grundkörper aus einem Kunststoff ausgebildet ist und zumindest eine Metallschicht auf der Außenfläche aufweist.The present invention relates to a spacer for multi-pane double glazing with a base body having parallel contact surfaces for discs, and an outer surface and an inner surface, each connecting the two contact surfaces, wherein the base body is formed of a plastic and at least one metal layer on the Having outer surface.

Ein Abstandhalter der vorgenannten Art ist beispielsweise aus DE 198 07 454 A1 bekannt. Auch die Druckschriften WO/ 00/05475A1 und DE 195 33 685 A1 zeigen Lösungen von Abstandhaltern. 0bgleich sich die darin beschriebenen Abstandhalter in der Praxis bewährt haben, bleibt weiterhin der wunsch, diesen zu verbessern, insbesondere im Hinblick auf Festigkeit und Wärmeleitfähigkeitsverhalten. DE 198 07 454 A1 offenbart alle Merkmale des Oberbegriffs von Anspruch 1 und Anspruch 2.A spacer of the aforementioned type is for example made DE 198 07 454 A1 known. Also the pamphlets WO / 00 / 05475A1 and DE 195 33 685 A1 show solutions of spacers. Although the spacers described therein have proven themselves in practice, it remains desirable to improve them, in particular with regard to strength and thermal conductivity behavior. DE 198 07 454 A1 discloses all features of the preamble of claim 1 and claim 2.

Die Aufgabe der vorliegenden Erfindung besteht deshalb darin, den eingangs genannten Abstandhalter so weiterzubilden, dass er bei einfacher Herstellung hohe Stabilität aufweist und eine geringe Wärmeleitfähigkeit besitzt.The object of the present invention is therefore to develop the aforementioned spacer so that it has high stability with simple production and has a low thermal conductivity.

Diese Aufgabe wird bei dem eingangs genannten Abstandhalter durch Merkmale des Anspruchs 1 oder 2 gelöst. Erfindungsgemäß ist ein Metallnetz oder ein nicht-metallisches Netz vorgesehen, welches im Grundkörper eingebettet ist. Ferner weist die Außenfläche eine Sicke auf, und die Metallschicht verläuft von der Anlagefläche über die Außenfläche zur anderen Anlagefläche und ist in einem streifenförmigen Bereich unterbrochen. Der streifenförmige Bereich ist dabei am Sickengrund vorgesehen.This object is achieved in the aforementioned spacer by features of claim 1 or 2. According to the invention, a metal net or a non-metallic net is provided, which is embedded in the base body. Furthermore, the outer surface has a bead, and the metal layer extends from the contact surface over the outer surface to the other contact surface and is interrupted in a strip-shaped region. The strip-shaped area is provided at the bottom of the bead.

Das heißt mit anderen Worten, dass der Abstandhalter aus einem Kunststoff besteht, wobei im Kunststoff ein Metallnetz oder ein nicht-metallisches Netz zur Verstärkung vorgesehen ist. Mit Hilfe des eingebetteten Netzes ist es möglich, die Wandstärken des üblicherweise als Hohlprofil ausgebildeten Grundkörpers weiter zu verringern, ohne Festigkeitsprobleme zu erhalten. Eine verringerte Wandstärke hat zum Ergebnis, dass die Wärmeleitfähigkeit des Grundkörpers reduziert wird. Darüber hinaus hat das eingebettete Netz den Vorteil, dass sich die Abstandhalter nicht mehr so leicht durchbiegenIn other words, that the spacer consists of a plastic, wherein in the plastic, a metal net or a non-metallic mesh is provided for reinforcement. With the help of the embedded network, it is possible to further reduce the wall thicknesses of the usually formed as a hollow profile body without obtaining strength problems. A reduced wall thickness has the result that the thermal conductivity of the body is reduced. In addition, the embedded mesh has the advantage that the spacers are less likely to sag

Unter "Netz" ist im Umfang der vorliegenden Erfindung jede Art von Gewebe, Gelege, Geflecht, Gestricke bzw. Gewirke zu verstehen, das aus Endlosfasern hergestellt wird. Insbesondere handelt es sich bei einem Netz um ein Flächengebilde aus dünnen Drähten bzw. Fasern mit regelmäßigen Maschen oder Öffnungen. Die Maschen bzw. Öffnungen können beispielsweise rhombisch, quadratisch oder sechseckig ausgebildet sein. Die Maschenweite kann bei rechteckigen Öffnungen beispielsweise im Bereich von 0,84 auf 1 mm liegen. Der Durchmesser des Drahts bzw. der Fasern kann im Bereich von 0,16 mm liegeBy "mesh" is meant, within the scope of the present invention, any type of fabric, scrim, braid, knit or knitted fabric made from continuous fibers. In particular, a net is a sheet of thin wires or fibers with regular meshes or apertures. The meshes or openings may be formed, for example, rhombic, square or hexagonal. The mesh size may be in the range of 0.84 to 1 mm for rectangular openings, for example. The diameter of the wire or fibers may be in the range of 0.16 mm

Im Vergleich zu Lösungen, bei denen eine Metallfolie im Grundkörper eingebettet ist, hat ein Metallnetz den Vorteil, dass sich der Kunststoff nicht von dem Metallnetz löst. Ein Lösen des Kunststoffs kann unter Umständen zu Feuchtigkeitsproblemen führen.In comparison to solutions in which a metal foil is embedded in the base body, a metal mesh has the advantage that the plastic does not detach from the metal mesh. A release of the plastic can possibly lead to moisture problems.

Die Fertigung des erfindungsgemäßen Abstandhalters stellt sich einfach dar, da das Metallnetz beim üblichen Extrusionsvorgang zur Herstellung des Hohlprofilgrundkörpers zugeführt werden kann.The production of the spacer according to the invention is simple, since the metal mesh can be supplied during the conventional extrusion process for the production of the hollow profile base body.

Die Verwendung eines eingebetteten Metallnetzes hat darüber hinaus den Vorteil, dass sich der Kunststoff bei Wärmeausdehnung nicht vom Metallnetz löst, wie dies bei einer Metallfolie der Fall wäre. Die Entstehung von Hohlräumen im Grundkörper lässt sich auf diese Weise vermeiden.The use of an embedded metal mesh also has the advantage that the plastic does not dissolve from the metal mesh during thermal expansion, as would be the case with a metal foil. The formation of cavities in the body can be avoided in this way.

Im Vergleich zu Lösungen, bei denen dem Kunststoffmaterial beispielsweise Glasfasern zur Verstärkung beigemischt werden, hat die vorliegende Erfindung den Vorteil der einfacheren Beherrschung des Herstellungsprozesses. Die Zugabe von Glasfasern ist insofern problematisch, als eine zu geringe Menge nicht den erhofften Verstärkungseffekt liefert und eine zu große Menge das Material sehr spröde werden lässt. Darüber hinaus ist es problematisch, die Wandstärken weiter zu verdünnen.Compared to solutions in which, for example, glass fibers are added to the plastic material for reinforcement, the present invention has the advantage of easier control of the manufacturing process. The addition of glass fibers is problematic in that too small an amount does not provide the desired reinforcing effect and too large an amount makes the material very brittle. In addition, it is problematic to further dilute the wall thicknesses.

Bei der erfindungsgemäßen Lösung sind im Gegensatz zu den bisherigen Lösungen mit kurz- und langfaser-verstärkten Kunststoffen keine Fasern im äußern Bereich vorhanden. Da die Wärmeübertragung der Faser in der Regel höher ist als die des Kunststoffs, wird der Wärmeübergang des Abstandhalters bei den bisherigen Lösungen erhöht. Der erfindungsgemäße Abstandhalter hat in den äußeren Bereichen keine Fasern, so dass eine Reduzierung des Wärmeübergangs festzustellen ist.In the solution according to the invention, in contrast to the previous solutions with short- and long-fiber-reinforced plastics, no fibers are present in the outer region. Since the heat transfer of the fiber is usually higher than that of the plastic, the heat transfer of the spacer is increased in the previous solutions. The spacer according to the invention has no fibers in the outer regions, so that a reduction of the heat transfer is observed.

Neben einem Metallnetz können auch Netze aus nicht-metallischen Fasern verwendet werden. Auch sie führen zu ähnlichen Eigenschaften und Verbessern die Isoliereigenschaften des Abstandhalters. Nicht-metallische Fasern sind bspw. anorganische Fasern, wie Basaltfasern, Borfasern, Glasfasern, Keramikfasern, Kieselsäurefasern, organische Fasern, wie Aramidfasern, Kohlenstofffasern, Polyesterfasern, Nylonfasern, Polyethylenfasem, Plexiglasfasern, oder Naturfasern, wie Holzfasern, Flachsfasern, Hanffasern oder Sisalfasern.In addition to a metal mesh and networks of non-metallic fibers can be used. They also lead to similar properties and improve the insulating properties of the spacer. Non-metallic fibers are, for example, inorganic fibers such as basalt fibers, boron fibers, glass fibers, ceramic fibers, silica fibers, organic fibers such as aramid fibers, carbon fibers, polyester fibers, Nylon fibers, Polyethylenfasem, Plexiglas fibers, or natural fibers such as wood fibers, flax fibers, hemp fibers or sisal fibers.

Erfindungsgemäß verläuft die Metallschicht von der einen Anlagefläche über die Außenfläche zur anderen Anlagefläche, wobei die Metallschicht in einem streifenförmigen Bereich unterbrochen ist, wobei bevorzugt in diesem streifenförmigen Bereich ein Abdichtmaterial, vorzugsweise Butyl (Butyl-Kautschuk), vorgesehen ist. Erfindungsgemäß ist in der Außenfläche eine Sicke vorgesehen, wobei der streifenförmige Bereich am Sickengrund liegt.According to the invention, the metal layer extends from one abutment surface over the outer surface to the other abutment surface, wherein the metal layer is interrupted in a strip-shaped region, wherein a sealing material, preferably butyl (butyl rubber), is preferably provided in this strip-shaped region. According to the invention, a bead is provided in the outer surface, wherein the strip-shaped region lies on the bead base.

Diese Maßnahmen haben sich im Hinblick auf die Wärmeleitfähigkeit als besonders vorteilhaft herausgestellt. Insbesondere die Unterbrechung der Metallschicht an der Außenfläche sorgt dafür, dass die Wärmeleitfähigkeit zwischen den beiden Anlageflächen des Grundkörpers reduziert wird.These measures have been found to be particularly advantageous in terms of thermal conductivity. In particular, the interruption of the metal layer on the outer surface ensures that the thermal conductivity between the two contact surfaces of the body is reduced.

Bei einer bevorzugten Weiterbildung erstreckt sich das Metallnetz bzw. das nicht-metallische Netz ringsum entlang der Anlageflächen sowie der Außenfläche und der Innenfläche.In a preferred development, the metal net or the non-metallic net extends all the way along the contact surfaces and the outer surface and the inner surface.

Das heißt mit anderen Worten, dass - im Querschnitt des Grundkörpers betrachtet - das Metallnetz bzw. das nicht-metallische Netz Innerhalb des Grundkörpers vollständig umläuft. Der Vorteil dieser Maßnahme besteht darin, dass die Festigkeit weiter erhöht werden kann gegenüber einer Lösung, bei der das Metallnetz bzw. das nicht-metallische Netz - im Querschnitt betrachtet - nicht in allen Teilen des Grundkörpers vorgesehen ist. Es versteht sich, dass das umlaufende Metallnetz bzw. das nicht-metallische Netz nicht einstückig ausgebildet sein muss, sondern dass auch zwei oder mehr Netz-Abschnitte vorgesehen sein können, die sich teilweise überlappen können oder einen gewissen Abstand zueinander haben.In other words, that means - viewed in cross-section of the base body - the metal net or the non-metallic net completely circulates within the body. The advantage of this measure is that the strength can be further increased compared to a solution in which the metal net or the non-metallic mesh - viewed in cross-section - is not provided in all parts of the body. It is understood that the circulating metal net or the non-metallic mesh must not be formed in one piece, but that also two or more network sections may be provided, which may partially overlap or have a certain distance from each other.

Bei einer bevorzugten Weiterbildung ist das Metallnetz aus Edelstahl gefertigt. Weiter bevorzugt besitzt das Metallnetz bzw. das nicht-metallische Netz eine Maschenweite im Bereich von 1 mm auf 1 mm, vorzugsweise 0,8 mm auf 1 mm. Bevorzugt weisen die Fasern des Metallnetzes bzw. des nicht-metallischen Netzes jeweils einen Durchmesser von 0,1 mm bis 0,2 mm auf.In a preferred embodiment, the metal mesh is made of stainless steel. More preferably, the metal net or the non-metallic mesh has a mesh size in the range of 1 mm to 1 mm, preferably 0.8 mm to 1 mm. Preferably, the fibers of the metal net or the non-metallic mesh each have a diameter of 0.1 mm to 0.2 mm.

Diese Maßnahmen haben sich als besonders vorteilhaft herausgestellt.These measures have proven to be particularly advantageous.

Es versteht sich, dass die vorstehend genannten und die nachstehend noch zu erläuternden Merkmale nicht nur in der jeweils angegebenen Kombination, sondern auch in anderen Kombinationen oder in Alleinstellung verwendbar sind, ohne den Rahmen der vorliegenden Erfindung zu verlassen.It is understood that the features mentioned above and those yet to be explained below can be used not only in the particular combination given, but also in other combinations or in isolation, without departing from the scope of the present invention.

Weitere Vorteile und Ausgestaltungen der Erfindung ergeben sich aus der Beschreibung und der beiliegenden Zeichnung. Dabei zeigen:

Fig. 1
mehrere unterschiedliche Ansichten eines erfindungsgemäßen Abstandhalters;
Fig.2
mehrere Ansichten eines Abstandhalters gemäß einer weiteren Ausführungsform; und
Fig. 3
mehrere Ansichten eines Abstandhalters gemäß einer dritten Ausführungsform.
Further advantages and embodiments of the invention will become apparent from the description and the accompanying drawings. Showing:
Fig. 1
several different views of a spacer according to the invention;
Fig.2
a plurality of views of a spacer according to a further embodiment; and
Fig. 3
several views of a spacer according to a third embodiment.

In der Fig. 1a ist ein Abstandhalter schematisch im Querschnitt dargestellt und mit dem Bezugszeichen 10 gekennzeichnet. Der Abstandhalter 10 dient dazu, einerseits zwei schematisch angedeutete Scheiben 12 einer Mehrscheiben-Isolierverglasung auf Abstand zu halten und andererseits den zwischen den Scheiben 12 entstehenden Raum abzudichten. Da die Funktion eines Abstandhalters 10 allgemein bekannt ist, wird darauf nicht weiter eingegangen.In the Fig. 1a a spacer is shown schematically in cross-section and designated by the reference numeral 10. The spacer 10 serves on the one hand to keep two schematically indicated slices 12 of a multi-pane insulating glazing at a distance and on the other hand to seal the resulting space between the panes 12. Since the function of a spacer 10 is well known, it will not be discussed further.

Der Abstandhalter 10 umfasst einen länglichen, vorzugsweise extrudierten, einen Hohlraum aufweisenden Grundkörper 14, der in Fig. 1 senkrecht zur Längsachse geschnitten dargestellt ist. Der Grundkörper 14 besitzt - im Querschnitt betrachtet - eine um die Längsachse laufende Wand 15, die den Innenraum 17 des Grundkörpers 14 vollständig umgibt. Bevorzugt ist die Wandstärke der Wand 15 überall gleich.The spacer 10 comprises an elongated, preferably extruded, cavity-containing base body 14, which in Fig. 1 is shown cut perpendicular to the longitudinal axis. The main body 14 has - viewed in cross section - a running around the longitudinal axis of the wall 15 which completely surrounds the interior 17 of the main body 14. Preferably, the wall thickness of the wall 15 is the same everywhere.

Die Wand 15 gliedert sich in zwei Anlageflächen 18, die zueinander parallel verlaufen und die dazu ausgelegt sind, an den Scheiben 12 anzuliegen. Die beiden Anlageflächen 18 werden durch eine Innenfläche 16 miteinander verbunden, wobei die Innenfläche 16 dem Innenraum der Mehrscheiben-Isolierverglasung zugewandt ist. Die Innenfläche 16 ist eben ausgebildet und erstreckt sich senkrecht zu den beiden Anlageflächen 18.The wall 15 is divided into two abutment surfaces 18, which run parallel to each other and which are designed to abut against the discs 12. The two contact surfaces 18 are interconnected by an inner surface 16, wherein the inner surface 16 faces the interior of the multi-pane insulating glazing. The inner surface 16 is flat and extends perpendicular to the two contact surfaces 18th

Der Innenfläche 16 gegenüberliegend ist eine Außenfläche 20, die an ihren beiden jeweils einer Scheibe 12 zugewandten Rändern in eine Schrägfläche 22 übergeht, die dann mit der jeweiligen Anlagefläche 18 verbunden ist.The inner surface 16 opposite is an outer surface 20, which merges at its two respective edges 12 facing a disc in an inclined surface 22, which is then connected to the respective abutment surface 18.

In der Außenfläche 20 ist mittig und in Längsrichtung verlaufend eine Sicke 30 vorgesehen, die in den Innenraum 17 ragt und eine längs verlaufende Vertiefung oder Nut 32 an der Außenfläche 20 bildet. Die Sicke 30 dient Insbesondere dazu, die Festigkeit bzw. Steifigkeit des länglichen Abstandhalters 10 zu erhöhen. Selbstverständlich wäre es in einer alternativen Ausgestaltung auch denkbar, die Sicke 30 wegzulassen und die Außenfläche 20 eben auszugestalten.In the outer surface 20, a bead 30 is provided centrally and extending in the longitudinal direction, which protrudes into the inner space 17 and forms a longitudinal recess or groove 32 on the outer surface 20. The bead 30 serves, in particular, to increase the strength or stiffness of the elongate spacer 10. Of course, it would also be conceivable in an alternative embodiment to omit the bead 30 and to design the outer surface 20 flat.

Auf der Außenfläche 20 des Grundkörpers 14 ist eine Metallfolie 40 aufgebracht, insbesondere mittels eines PU-Klebers aufgeklebt. Die Metallfolie 40 erstreckt sich von einer der beiden Anlageflächen 18 über die folgende Schrägfläche 22, die Außenfläche 20, die Schrägfläche 22 zu der anderen Anlagefläche 18. Wie aus der Fig. 1a ersichtlich, endet die Metallfolie 20 jeweils in einem unteren Bereich der Anlagefläche 18, bedeckt damit also nicht die gesamte Anlagefläche 18.On the outer surface 20 of the base body 14, a metal foil 40 is applied, in particular adhesively bonded by means of a PU adhesive. The metal foil 40 extends from one of the two contact surfaces 18 via the following inclined surface 22, the outer surface 20, the inclined surface 22 to the other contact surface 18. As shown in Fig. 1a can be seen, the metal foil 20 ends in each case in a lower region of the contact surface 18, so it does not cover the entire contact surface 18th

Die Metallfolie 40 besteht bevorzugt aus Edelstahl, wobei eine Materialstärke von 0,01 mm gewählt wird.The metal foil 40 is preferably made of stainless steel, wherein a material thickness of 0.01 mm is selected.

In der gezeigten bevorzugten Ausführungsform wird die Metallfolie 40 im Bereich der Nut 32 unterbrochen, so dass der Nutengrund 34 nicht von der Metallfolie 40 bedeckt ist.In the preferred embodiment shown, the metal foil 40 is interrupted in the region of the groove 32, so that the groove bottom 34 is not covered by the metal foil 40.

In der Nut 32 ist ein Abdichtungsmaterial vorgesehen, im vorliegenden Ausführungsbeispiel Butyl 42. Das Butyl 42 bedeckt den Nutengrund 34 vollständig und ist in einer Materialstärke eingebracht, so dass auch Kontakt zu den beiden Enden der Metallfolie 40 besteht.In the groove 32, a sealing material is provided, in the present embodiment, butyl 42. The butyl 42 completely covers the groove base 34 and is introduced in a material thickness, so that there is also contact with the two ends of the metal foil 40.

Wie bereits angedeutet, wird der Grundkörper 14 im Wege der Extrusion als Hohlprofil gefertigt. Bei dem eingesetzten Material handelt es sich um einen Kunststoff, bevorzugt ein thermoplastischer Kunststoff, beispielsweise Luran von der Firma BASF. Im Gegensatz zu bekannten Lösungen ist der Kunststoff jedoch nicht mit Glasfasern oder Ähnlichem versetzt.As already indicated, the main body 14 is produced by extrusion as a hollow profile. The material used is a plastic, preferably a thermoplastic, for example Luran from BASF. In contrast to known solutions, however, the plastic is not mixed with glass fibers or the like.

In den Grundkörper 14 wird während des Extrusionsvorgangs ein Netz, Insbesondere ein Metallnetz oder ein nicht-metallisches Netzeingebettet, das in den Fig. la bis d gut zu erkennen ist und mit dem Bezugszeichen 50 gekennzeichnet wird. Nachfolgend wird rein beispielhaft ein Metallnetz 50 beschrieben. In dem bevorzugten Ausführungsbeispiel, das in Fig. 1a gezeigt ist, verläuft das Metallnetz-im Querschnitt betrachtet - ringsum durch die gesamte Wand 15, also entlang der Innenfläche 16, der beiden Anlageflächen 18, der beiden Schrägflächen 22 und entlang der Außenfläche 20. Relativ zu der Wanddicke ist das Metallnetz 50 mittig angeordnet.In the base body 14, a net, in particular a metal net or a non-metallic net is embedded during the extrusion process, which is clearly visible in Figs. La to d and is designated by the reference numeral 50. Hereinafter, a metal net 50 will be described purely by way of example. In the preferred embodiment, which is in Fig. 1a is shown, the metal net extends-viewed in cross-section - around the entire wall 15, that is along the inner surface 16, the two contact surfaces 18, the two inclined surfaces 22 and along the outer surface 20. Relative to the wall thickness, the metal mesh 50 is arranged centrally.

Es versteht sich, dass das Metallnetz 50 nicht notwendigerweise vollständig umlaufend in der Wand 15 vorgesehen sein muss. Es wäre vielmehr auch denkbar, dass ein Metallnetz nur in einzelnen Bereichen der Wand 15 vorgesehen wird.It is understood that the metal net 50 does not necessarily have to be provided completely circumferentially in the wall 15. It would be better too conceivable that a metal mesh is provided only in individual areas of the wall 15.

Bei dem Metallnetz handelt es sich um ein Flächengebilde aus dünnen Metalldrähten bzw. Metallfasern mit regelmäßigen Maschen oder Öffnungen. Die Maschen bzw. Öffnungen können beispielsweise rhombisch, quadratisch oder sechseckig ausgebildet sein. Die Maschenweite kann bei rechteckigen Öffnungen beispielsweise im Bereich von 0,84 auf 1 mm liegen. Der Durchmesser des Metalldrahts kann im Bereich von 0,16 mm liegen.The metal mesh is a sheet of thin metal wires or metal fibers with regular meshes or openings. The meshes or openings may be formed, for example, rhombic, square or hexagonal. The mesh size may be in the range of 0.84 to 1 mm for rectangular openings, for example. The diameter of the metal wire may be in the range of 0.16 mm.

Bevorzugt ist als Material für das Metallnetz Edelstahl eingesetzt, wobei insbesondere ein Material gewählt werden sollte, das dem Material der Metallfolie 40 entspricht.Preferably, stainless steel is used as the material for the metal mesh, wherein in particular a material should be selected which corresponds to the material of the metal foil 40.

Bei dem Metallnetz kann es sich um ein knotenloses Netz handeln oder um ein Netz, bei dem die Kreuzungspunkte verknüpft oder auf andere Weise stabilisiert sind.The metal net may be a nodeless net or a net where the crossing points are linked or otherwise stabilized.

In Fig. 2 ist ein Abstandhalter gemäß einer weiteren Ausführungsform dargestellt, wobei gleiche Teile mit gleichen Bezugszeichen wie in Fig. 1 gekennzeichnet sind. Der Abstandhalter, der mit dem Bezugszeichen 10' gekennzeichnet ist, unterscheidet sich nur unwesentlich von dem beschriebenen Abstandhalter 10. Im Unterschied dazu sind die beiden Anlageflächen 18 verlängert ausgebildet, so dass sich gegenüber der Innenfläche 16 vorstehende Stege 36 bilden. Die Innenfläche 16 liegt folglich etwas tiefer als der obere Rand der Stege 36, wie dies auch in Fig. 2d gut zu erkennen ist.In Fig. 2 a spacer according to another embodiment is shown, wherein like parts with the same reference numerals as in Fig. 1 Marked are. The spacer, which is identified by the reference numeral 10 ', differs only insignificantly from the described spacer 10. In contrast, the two contact surfaces 18 are formed extended, so that form opposite the inner surface 16 projecting webs 36. The inner surface 16 is therefore slightly lower than the upper edge of the webs 36, as in Fig. 2d easy to recognize.

Der Vorteil dieser Ausführungsform besteht darin, dass die Wärmeleitfähigkeit zwischen den beiden Anlageflächen 18 weiter reduziert wird.The advantage of this embodiment is that the thermal conductivity between the two contact surfaces 18 is further reduced.

In Fig. 3 ist eine dritte Ausführungsform eines Abstandhalters dargestellt und mit dem Bezugszeichen 10" gekennzeichnet. Dieser Abstandhalter 10" entspricht im Wesentlichen dem Abstandhalter 10 von Fig. 1, so dass auf die dortigen Ausführungen verwiesen werden kann.In Fig. 3 3, a third embodiment of a spacer is shown and designated by the reference numeral 10 ". This spacer 10" essentially corresponds to the spacer 10 of FIG Fig. 1 so that reference can be made to the statements there.

Der einzige Unterschied zu dem Abstandhalter 10 von Fig. 1 besteht darin, dass das Metallnetz 50 sich nicht vollständig durch die Wand 15 erstreckt. Vielmehr ist ein streifenförmiger Bereich 52 in der Innenfläche 16 vorgesehen, der metallnetzfrei ist. Das heißt mit anderen Worten, dass die beiden Enden des Metallnetzes nicht aneinander grenzen oder überlappen, sondern in einem Abstand zueinander enden.The only difference to the spacer 10 of Fig. 1 is that the metal net 50 does not extend completely through the wall 15. Rather, a strip-shaped region 52 is provided in the inner surface 16, which is metal net free. In other words, the two ends of the metal net do not adjoin or overlap but end at a distance from one another.

Der Vorteil dieser Ausführungsform besteht gegenüber der in Fig. 1 gezeigten Ausführungsform darin, dass die Wärmeleitfähigkeit zwischen den beiden Anlageflächen 18 reduziert werden kann.The advantage of this embodiment over that in Fig. 1 shown embodiment in that the thermal conductivity between the two contact surfaces 18 can be reduced.

An dieser Stelle sei angemerkt, dass die zuvor beschriebenen unter-schiedlichen Ausführungsbeispiele auch miteinander kombiniert werden können. Das bedeutet beispielsweise, dass ein streifenförmiger Bereich 52 ohne Metallnetz auch bei dem Abstandhalter 10' der Fig. 2 vorgesehen sein könnte.It should be noted at this point that the different exemplary embodiments described above can also be combined with one another. This means, for example, that a strip-shaped region 52 without a metal net also in the spacer 10 'of Fig. 2 could be provided.

Insgesamt bietet der Einsatz eines Metallnetzes eine zusätzliche Verstärkung des Grundkörpers, um auf diese Weise eine Möglichkeit zu haben, die Wandstärken reduzieren zu können. Auf diesem Wege lässt sich die Wärmeleitfähigkeit des Abstandhalters weiter verringern.Overall, the use of a metal mesh provides additional reinforcement of the body, in order to have a way to reduce the wall thicknesses in this way. In this way, the thermal conductivity of the spacer can be further reduced.

Neben dem Metallnetz lässt sich jeder der zuvor beschriebenen Abstandhalter auch mit einem Netz aus einem nicht-metallischen Faser-Material versehen. Alle Angaben bezüglich des Aufbaus des Abstandhalters gelten bei Verwendung eines nicht-metallischen Netzes weiterhin fort, so dass auf die vorherigen Ausführungen verwiesen werden kann.In addition to the metal mesh, each of the spacers described above can also be provided with a net of a non-metallic fiber material. All information regarding the construction of the spacer continue to apply when using a non-metallic mesh, so that reference can be made to the previous statements.

Abstandhalter mit nicht-metallische Netze haben ähnlichen Eigenschaften wie Abstandhalter mit Metallnetzen. Auch nicht-metallische Netze verbessern die Isoliereigenschaften des Abstandhalters. Nicht-metallische Fasern sind dabei bspw. anorganische Fasern, wie Basaltfasern, Borfasern, Glasfasern, Keramikfasern, Kleselsäurefasern, organische Fasern, wie Aramidfasern, Kohlenstofffasern, Polyesterfasern, Nylonfasern, Polyethylenfasern, Plexiglasfasern, oder Naturfasern, wie Holzfasern, Flachsfasern, Hanffasern oder Sisalfasern.Spacers with non-metallic nets have similar properties as spacers with metal nets. Non-metallic meshes also improve the insulation properties of the spacer. Non-metallic fibers are, for example, inorganic fibers such as basalt fibers, boron fibers, glass fibers, ceramic fibers, kleselsäurefasern, organic fibers such as aramid fibers, carbon fibers, polyester fibers, nylon fibers, polyethylene fibers, Plexiglasfasern, or natural fibers such as wood fibers, flax fibers, hemp fibers or sisal fibers.

Claims (12)

  1. A spacer for multi-pane insulating glazing, comprising a main body (14), which has mutually parallel abutment surfaces (18) for panes (12), and an outer face (20) and an inner face (16), which respectively connect the two abutment surfaces, the main body (14) being made of plastic and having at least one metal layer (40) on the outer face, characterized in that
    a metal mesh (50), which is embedded in the main body, is provided,
    the outer face (20) has a bead (30),
    the metal layer (40) runs from one abutment surface (18) via the outer face (20) to the other abutment surface (18).and is interrupted in a region (34) in strip form, and
    the region in strip form is provided on the base of the bead (34).
  2. A spacer for multi-pane insulating glazing, comprising a main body (14), which has mutually parallel abutment surfaces (18) for panes (12), and an outer face (20) and an inner face (16), which respectively connect the two abutment surfaces, the main body (14) being made of plastic and having at least one metal layer (40) on the outer face, characterized in that
    a non-metal mesh (50), which is embedded in the main body, is provided the outer face (20) has a bead (30),
    the metal layer (40) runs from one abutment surface (18) via the outer face (20) to the other abutment surface (18).and is interrupted in a region (34) in strip form, and
    the region in strip form is provided on the base of the bead (34)..
  3. The spacer is claimed in claim 1 or 2, characterized in that the metal mesh (50) or the non-metal mesh extends all around, along the abutment surfaces (18) and the outer face (20) and the inner face (16).
  4. The spacer as claimed in claim 1 or 3, characterized in that the metal mesh (50) consists of high-grade steel.
  5. The spacer as claimed in claim 2, 3 or 4, characterized in that the non-metal mesh consists of inorganic fibers, organic fibers and/or natural fibers.
  6. The spacer as claimed in one of claims 1 to 5, characterized in that the metal mesh (50) or the non-metal mesh has a mesh width in the range of 1 mm by 1 mm, preferably 0.8 mm by 1 mm.
  7. The spacer as claimed in one of the preceding claims, characterized in that the fibers of the metal mesh (50) or the fibers of the non-metal mesh have in each case a diameter of 0.1 mm to 0.2 mm.
  8. The spacer as claimed in one of the preceding claims, characterized in that the metal layer (40) consists of high-grade steel.
  9. The spacer as claimed in claim 1, characterized in that there is applied to the region in strip form a sealing material (42), preferably butyl.
  10. The spacer as claimed in one of the preceding claims, characterized in that the main body (14) is produced by extrusion as a hollow profile with the embedded metal mesh (50) or the embedded non-metal mesh.
  11. The spacer as claimed in one of the preceding claims, characterized in that the metal layer (40) has a thickness of at most approximately 0.01 mm.
  12. The spacer as claimed in one of the preceding claims, characterized in that the metal layer (40) is adhesively attached to the main body (14).
EP11716511.8A 2010-04-20 2011-04-20 Spacer Active EP2561169B8 (en)

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DE102010015836A DE102010015836A1 (en) 2010-04-20 2010-04-20 spacer
PCT/EP2011/056284 WO2011131700A2 (en) 2010-04-20 2011-04-20 Spacer

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DE19832731B4 (en) * 1998-07-21 2005-01-20 Pilkington Deutschland Ag Spacer profile for a spacer frame of a Isolierscheibeneinheit
DE10311830A1 (en) * 2003-03-14 2004-09-23 Ensinger Kunststofftechnologie Gbr Spacer profile between glass panes in a double glazing structure has an organic and/or inorganic bonding agent matrix containing particles to adsorb water vapor and keep the space dry

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2023198709A1 (en) 2022-04-14 2023-10-19 Saint-Gobain Glass France Spacer having improved mechanical stiffness

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WO2011131700A2 (en) 2011-10-27
CN102869846B (en) 2016-05-25
DE102010015836A1 (en) 2011-10-20
EP2561169A2 (en) 2013-02-27
WO2011131700A3 (en) 2011-12-29
EP2561169B8 (en) 2014-10-08
CN102869846A (en) 2013-01-09
US9012000B2 (en) 2015-04-21
US20130108815A1 (en) 2013-05-02
PL2561169T3 (en) 2015-03-31

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