EP2199516B1 - Holder for flame-retardant double glazing - Google Patents

Holder for flame-retardant double glazing Download PDF

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Publication number
EP2199516B1
EP2199516B1 EP09015187.9A EP09015187A EP2199516B1 EP 2199516 B1 EP2199516 B1 EP 2199516B1 EP 09015187 A EP09015187 A EP 09015187A EP 2199516 B1 EP2199516 B1 EP 2199516B1
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EP
European Patent Office
Prior art keywords
holder
glass
glazing
fire
glazing according
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
EP09015187.9A
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German (de)
French (fr)
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EP2199516A2 (en
EP2199516A3 (en
Inventor
Günter Dr. Wiedemann
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Etex Building Performance GmbH
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Etex Building Performance GmbH
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Publication date
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Priority to PL09015187T priority Critical patent/PL2199516T3/en
Publication of EP2199516A2 publication Critical patent/EP2199516A2/en
Publication of EP2199516A3 publication Critical patent/EP2199516A3/en
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Publication of EP2199516B1 publication Critical patent/EP2199516B1/en
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Classifications

    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B5/00—Doors, windows, or like closures for special purposes; Border constructions therefor
    • E06B5/10—Doors, windows, or like closures for special purposes; Border constructions therefor for protection against air-raid or other war-like action; for other protective purposes
    • E06B5/16—Fireproof doors or similar closures; Adaptations of fixed constructions therefor
    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B3/00—Window sashes, door leaves, or like elements for closing wall or like openings; Layout of fixed or moving closures, e.g. windows in wall or like openings; Features of rigidly-mounted outer frames relating to the mounting of wing frames
    • E06B3/02—Wings made completely of glass
    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B3/00—Window sashes, door leaves, or like elements for closing wall or like openings; Layout of fixed or moving closures, e.g. windows in wall or like openings; Features of rigidly-mounted outer frames relating to the mounting of wing frames
    • E06B3/54—Fixing of glass panes or like plates
    • E06B3/5436—Fixing of glass panes or like plates involving holes or indentations in the pane
    • E06B3/5445—Support arms engaging the holes or indentations

Definitions

  • the present invention relates to a holder for a fire-resistant glazing, in particular in the form of a fire protection wall element, window, or a door, with at least two parallel spaced glass panes, as well as glazings having such a holder.
  • the DE 3508078 (A1 ) describes a holder for fire protection, in which the individual discs are held by a the edge of the fire protection embracing frame construction.
  • a frameless structure of a fire-resistant glazing can not be realized, especially if movable elements such as doors or windows are to be integrated into the glazing, the plurality of used for this frame parts can affect the visual appearance and the Interrupt light transmission.
  • the German utility model DE 29819678 (U1 ) introduces a fire-resistant glazing in which the vertical joints of the fire-resistant panes are filled with a sealant.
  • the fire protection wall element presented here also has a window which is installed by means of a frame and a frame in the fire protection wall element. Even with this solution, it may be considered disadvantageous that closable openings can not be installed frameless, which reduces the passage of light through the glazing.
  • the known systems do not yet make it possible to construct fire-resistant glazings which allow a high passage of light and at the same time allow the use of multilayer fire-resistant glazings.
  • the object of the present invention is to provide a holder for fire-resistant glazing, which allows a high passage of light through the fixed with the holder fire protection element especially when integrating closable openings of fire protection glass and this the use of multi-layer fire-resistant glazing, such as double glazing made of fire-resistant glass or filled with fire protection gel Double glazing, allows.
  • the object according to the invention is achieved by a glazing for fire protection wall elements, windows, doors, facade elements or the like according to claim 1.
  • the present invention is based on the finding that a spacer can be constructed by combining a sleeve with two stop surfaces for the glass with which the individual glass panes of fire protection double glazing between the support member and the counter-plate clamped in place and fixed in this manner without strong mechanical forces and moments acting on the individual glass panes of the double glazing.
  • the spacer fixes the parallel glass panes at the distance specified by the stop surfaces even when tightening the screw connection.
  • the holder of the invention can be used for fixed brackets as well as we for door or window hinges.
  • the solution according to the invention is characterized by a number of advantages.
  • the direct fixation of the fire protection pane by means of the holder according to the invention makes it possible to build fire-resistant glazings in which the panes do not have to be enclosed in a peripheral frame in each case.
  • the fire protection elements equipped with the brackets according to the invention allow a higher passage of light.
  • such fire protection elements look visually appealing.
  • the brackets of the glazing according to the invention allow the use of fire-resistant double glazing, in particular fire protection gel filled with fire protection, even if the use of these brackets is not limited to these special types of fire protection.
  • fire protection gel or hydrogel filled fire protection panels are for example in the EP 1 820 931 A1 and in the DE 10 2005 018 842 A1 described.
  • These fire-resistant windows have the advantage over the otherwise widely used fire-resistant panes with solid silicate-containing intumescent intermediate layers, for example on a waterglass basis, that they can have a lower basis weight with a comparable fire resistance class. This not only means easier transport of the discs, but also that the bracket and frame construction can be made lighter because of the lower load.
  • the fire protection panels filled with fire protection gel are far less susceptible to penetrating moisture compared to the disks with solid silicate-containing intumescent intermediate layers, which in the latter leads to turbidity of the intermediate layer, which requires replacement of the pane.
  • Brandschutzgel filled fire protection panels usually consist of two parallel spaced glass panes of toughened safety glass (ESSG), which lie over a lying in their peripheral areas between the glass panes circumferential spacer profile and, for example, a polyurethane edge seal fixed and interconnected. Through an opening in this spacer profile, the fire protection gel or the precomponents are filled, in the latter case, the gelation is carried out by polymerization to hydrogel in the cavity filled with the mixture between the glass sheets.
  • ESSG toughened safety glass
  • the gel filled in these fire panels does not become completely solid, but retains a more or less firm gel consistency depending on the degree of crosslinking and the amount of monomers in terms of water content.
  • the holder of the glazing according to the invention now makes it possible to framelessly install even with fire protection gel-filled fire protection by the stop surfaces of the spacer absorb the pressure occurring during clamping of the double glazing in the press fit and thus prevent bending of the glass.
  • the sleeve of the spacer protrudes on both sides of the stop surfaces of the spacer. This is advantageous because this projection allows easy positioning and fixing of the spacer between the spaced glass sheets by allowing these projections to engage in holes provided in the glass sheets.
  • the spacer also acts as an additional stabilizer, especially in large-scale glazing, as the discs are fixed in this way not only directly on the edge, but also further inside against each other.
  • the spacer is matched to the fire protection pane, that the stop surfaces fix the glass panes at the same distance as the built-in between the glass panes circumferential spacer profile.
  • a particular advantage of the holder of the glazing according to the invention lies in the fact that in case of fire in the glass on the fire side bursts by the high temperatures, the fragments of this glass are still held for a certain time by the fire protection gel and so continue to be a part Their protective effect is maintained.
  • the second disc is also cooled by the fire protection gel and remains intact even after prolonged exposure to fire.
  • the holder of the glazing according to the invention is constructed so that when breaking the fire-side glass, the second brand-side glass pane is fixed by the holder in position and their function is maintained. Because the mechanical connection through the screw connection between counter-plate and retaining element remains intact regardless of the state of the fire-side glass pane. This advantageous effect is also independent of which side of the fire on the holder or the thus held fire-resistant glazing meets.
  • a preferred embodiment of the holder of the glazing according to the invention is characterized in that the holding element and / or the counter-plate on the side facing the glass pane has a separating or damping element which avoids direct contact between the metal and the glass.
  • a damping element for example, it can be a plastic washer, in particular PTFE or a polyamide, in particular aramid, silicone or rubber.
  • the washer is made of a heat-resistant material. This is particularly advantageous because in this way a firm press fit for the fire protection pane can be realized without the holding element and the counter plate, which are usually made of metal, have direct contact with the glass sheets.
  • the holding element and the counter-plate are interconnected by a fixing means.
  • This fixing means may for example be a metal pin which is welded on both sides or in an advantageous manner, the fixing means may be a screw.
  • the counter-plate can in this case have a threaded recess or even a through hole into which a thread is cut.
  • the counter-plate may be formed by a nut, preferably in combination with a washer.
  • a development of the holder of the glazing according to the invention provides that the respective sections of the sleeve, which project beyond the stop surfaces, have a length which is equal to or greater than the thickness of the respective glass panes. In this way, it is ensured that when assembling the holder according to the invention on the one hand, the clamping seat of the glass is respectively guaranteed between abutment surfaces of the spacer and the support member or the counter-plate, but in the event of a fire in case of fire, the functionality of the entire holder and thus the fire-resistant glazing not is significantly impaired. It when the projection of the sleeve is so large that the sleeve after insertion into the is particularly advantageous Glass pane protrudes slightly on the outside of the pane.
  • the glass pane When using a damping element, the glass pane is clamped in this case when connecting the holding element and the counter-plate via a screw with slight compression of the damping element. When bursting this glass in case of fire, this therefore has no effect on the secure mounting of the second glass.
  • the sleeve has a round cross-section. Since it usually means the least effort to provide the glass panes with round holes for the holder according to the invention, a sleeve with a round cross-section can be fixed most reliably in such a hole, preferably on a filler.
  • adhesives in particular gap-bridging adhesives, or even casting resins or silicone can be used as the filler material.
  • the casting resins may be one or two-component.
  • a development of the holder of the glazing according to the invention further provides that one or both stop surfaces of the spacer have a round cross-section. This is particularly advantageous because in this way the forces caused between the abutment surfaces and the glass sheets by the clamping seat are evenly distributed.
  • the spacer consists of plastic or metal, in particular plastic coated metal.
  • plastics for example, glass fiber reinforced plastics (GRP), polyethylene (PE) or polypropylene (PP) come into consideration.
  • GRP glass fiber reinforced plastics
  • PE polyethylene
  • PP polypropylene
  • the plastics should have the necessary strength in view of the size of the disk and the desired thickness of the spacer. If fire protection panels are used with a fire protection gel, At the same time, the plastic must have sufficient chemical resistance to the fire protection gel.
  • Metal spacers can be made for example iron, steel, stainless steel or aluminum.
  • these metals are coated with plastic to prevent interactions with the fire protection gel.
  • these interactions can lead to superficial corrosion of the spacer and at the same time discoloration of the fire protection gel and gas bubble formation in the gel, which can impair the visual appearance of the glazing.
  • a plastic coating for the metals are in principle all plastics into consideration, on the one hand adhere to the metal and on the other hand have a sufficient chemical resistance to the fire protection gel used.
  • the metal spacers can be coated, for example, with polyethylene, polypropylene or PTFE. Also, the desired protection by powder coating can be achieved.
  • the plastic coating can also fulfill the function of the already described damping element in this case, since so the direct contact between the metal and glass is prevented. If uncoated metal is to be used, attenuation elements can also be provided between the abutment surfaces of the spacer and the glass panes.
  • the spacers used according to the invention can either be machined from a piece of material, for example, produced on a lathe or by means of a casting process. However, it is also possible to produce the spacer from a sleeve and the two abutment surfaces by joining these components via gluing, welding or similar joining techniques.
  • the counter plate of the holder is also formed as a holding element.
  • This variant makes it possible to attach the holder on both sides of the fire protection pane, for example, on a building wall. In this way, particularly high fire-resistant glazing can be securely fastened with relatively few brackets.
  • the space between the glass panes is filled with a gas, a liquid or a gel, in particular a fire protection gel.
  • a gas a liquid or a gel
  • a fire protection gel in particular a fire protection gel.
  • all gels known to the person skilled in the art for this purpose can be used as the fire protection gel.
  • the fire protection gels used in the context of the invention may also contain additives such as silicates, UV protectants or even dyes.
  • the fire protection glazings filled with a fire protection gel are particularly preferred because they have very good fire protection properties and can be fixed frameless with the aid of the holder according to the invention, wherein the construction of the holder according to the invention ensures that Also, the bursting of a disc the seat of the still intact firewall to which the fire protection gel adheres and cools the disc, not significantly affected.
  • At least one of the glass panes is made of safety glass, in particular single-pane safety glass.
  • safety glass in particular single-pane safety glass.
  • This is particularly advantageous because it shatters into very many small fragments at extremely high temperatures in the event of fire, of which on the one hand a lower risk of injury emanates and on the other well in the crushed state adhere well to the fire protection gel and thus continue the fire protection gel for a certain time before protect the direct flame contact.
  • Particularly advantageous is the use of types of glass which have a high temperature resistance, such as Duran®. Since tempered safety glass can not be cut after tempering, the openings through which the sleeve of the holder according to the invention are carried out must already be provided in the glass sheets prior to tempering.
  • glass panes can also be used, such as float glass or even laminated safety glass.
  • the glass sheets used for the glazings according to the invention can in principle assume any desired thickness.
  • the individual glass panes independently of one another have a pane thickness of 1 to 15 mm, preferably 2.5 to 10 mm.
  • the distance of the two glass panes in such a double glazing can also be arbitrarily adapted to the requirements. Independent of the space between the glass panes is filled with a gas, a liquid or a gel, in particular a fire protection gel, a distance of the glass panes of 5 to 50 mm has proven sufficient for most applications. Particularly preferably, the distance of the glass panes from each other is about 8 to 25 mm, as can be achieved in this way, especially in fire-resistant gel filled with fire protection glazing good fire resistance at the same moderate weight of the glazing.
  • Fig. 1 the holder 1 of the glazing according to the invention is shown as a frameless Schamieranitati a fire door 2.
  • the holder 1 has a holding element 3 made of steel, which acts as a hinge band in the illustrated embodiment, which the holder 1 via the door hinge 4 by means of the hinge pin 5 pivotally connected to the frame 6 about the longitudinal axis.
  • the frame 6 is connected by means of the screw 7 with a fixed part of the building or a support structure.
  • the gap between the fire door 2 and the frame 6 is sealed by a seal 23 attached to the frame 6.
  • the fire door 2 consists of the glass sheets 8 and 9 made of toughened safety glass, which are arranged parallel and spaced from each other.
  • the glass sheets 8 and 9 each have a bore 10 and 11, in which a spacer 12 with the respective outer regions of the sleeve 13 by means of a filling material 14, here a casting resin, is connected.
  • the sleeve 13 protrudes on both outer sides of the glass sheets 8 and 9 beyond this.
  • the spacer 12 is made of plastic coated stainless steel and has on one side formed thereon annular abutment surfaces 15 and 16 for the glass sheets 8 and 9.
  • the holding member 3 is screwed by means of a fixing means 17 in the form of a screw with the counter plate 18 made of steel, whereby the individual glass sheets 8 and 9 of the fire protection pane 2 are held in a clamping fit.
  • a separating or damping element 19 and 20 in the form of an intermediate washer made of rubber.
  • the space between the glass sheets 8 and 9 is filled with a fire protection gel 21.
  • the glass sheets 8 and 9 are glued to a circumferential U-shaped spacer profile 22 which fixes the glass sheets 8 and 9 at the desired distance and at the same time prevents the fire protection gel 21 from flowing out.
  • the height of the spacer profile 22 corresponds to the distance between the outer surfaces of the stop surfaces 15 and 16.
  • the fire protection gel 21 is prepared, for example, as hydrogel from a NaCl / MgCl 2 salt solution with the addition of polymerizable compounds such as a mixture of acrylamide, N-methylolacrylamide, methylenebisarcylamide and a polymerization accelerator in water either before filling between the glass sheets 8 and 9 or in-situ the glass sheets 8 and 9 produced by the above components are mixed together and filled directly into the cavity between the glass sheets 8 and 9. The polymerization to the hydrogel then takes place in the cavity now filled with the mixture between the glass sheets 8 and 9.
  • polymerizable compounds such as a mixture of acrylamide, N-methylolacrylamide, methylenebisarcylamide and a polymerization accelerator in water either before filling between the glass sheets 8 and 9 or in-situ the glass sheets 8 and 9 produced by the above components are mixed together and filled directly into the cavity between the glass sheets 8 and 9.
  • the polymerization to the hydrogel then takes place in the cavity now filled with the mixture between the glass sheets
  • each holder 1 fix a fire protection gel 24 filled with fire protection gel 24 in pairs on a free standing in the space support post 25.
  • a trapezoidal connecting piece 26 is attached in this embodiment, with which the holding element 3 is held on the spacer 27, which in turn is attached to the support post 25.
  • the butt joint between the two fire protection discs 24 is filled with a sealant 28, for example, with an intumescent sealant.
  • holder 1 of the glazing according to the invention is used on a fire protection façade, these can be combined with multiple, in particular quadruple, adapters 29 for holding, in particular, four fire protection windows which make the connection to the supporting structure, as described in US Pat Fig. 3 the drawing is shown.
  • bracket 28 sealant 2
  • Fire door 29 adapter 3
  • retaining element 4) door hinge 5) hinge pin 6) frame 7) screw 8th) pane 9) pane 10) drilling 11) drilling 12) spacer 13) shell 14) filling material 15) stop surface 16) stop surface 17) fixer 18) counterplate 19) damping element 20) damping element 21) firefighting gel 22) Spacer profile 23) poetry 24) Fireproof panel 25) support posts 26) connector 27) spacer

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  • Engineering & Computer Science (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Securing Of Glass Panes Or The Like (AREA)
  • Special Wing (AREA)

Description

Die vorliegende Erfindung betrifft eine Halterung für eine Brandschutzverglasung, insbesondere in Form eines Brandschutz-Wandelementes, -Fensters, oder einer Türe, mit zumindest zwei parallel beabstandeten Glasscheiben, sowie Verglasungen, die eine derartige Halterung aufweisen.The present invention relates to a holder for a fire-resistant glazing, in particular in the form of a fire protection wall element, window, or a door, with at least two parallel spaced glass panes, as well as glazings having such a holder.

Es sind unterschiedliche Halterungen für Brandschutzscheiben bekannt. Die DE 3508078(A1 ) beschreibt eine Halterung für Brandschutzscheiben, bei der die einzelnen Scheiben durch eine die Stoßkanten der Brandschutzscheibe umgreifende Rahmenkonstruktion gehalten werden. Bei diesem Aufbau wird es teilweise als nachteilig empfunden, dass ein rahmenloser Aufbau einer Brandschutzverglasung nicht realisiert werden kann, insbesondere, wenn bewegliche Elemente wie Türen oder Fenster in die Verglasung integriert werden sollen, kann die Vielzahl an hierfür einzusetzenden Rahmenteilen das optische Erscheinungsbild beeinträchtigen sowie den Lichtdurchtritt stören.There are different supports for fire protection windows known. The DE 3508078 (A1 ) describes a holder for fire protection, in which the individual discs are held by a the edge of the fire protection embracing frame construction. In this structure, it is sometimes considered disadvantageous that a frameless structure of a fire-resistant glazing can not be realized, especially if movable elements such as doors or windows are to be integrated into the glazing, the plurality of used for this frame parts can affect the visual appearance and the Interrupt light transmission.

Das deutsche Gebrauchsmuster DE 29819678(U1 ) stellt eine Brandschutzverglasung vor, bei der die vertikalen Stoßfugen der Brandschutzscheiben durch ein Dichtungsmittel verfüllt sind. Das hier vorgestellte Brandschutz-Wandelement weist ferner ein Fenster auf, das mittels einer Zarge und einem Rahmen in dem Brandschutz-Wandelement eingebaut ist. Auch bei dieser Lösung kann es als nachteilig empfunden werden, dass verschließbare Öffnungen nicht rahmenlos eingebaut werden können, was den Lichtdurchtritt durch die Verglasung reduziert.The German utility model DE 29819678 (U1 ) introduces a fire-resistant glazing in which the vertical joints of the fire-resistant panes are filled with a sealant. The fire protection wall element presented here also has a window which is installed by means of a frame and a frame in the fire protection wall element. Even with this solution, it may be considered disadvantageous that closable openings can not be installed frameless, which reduces the passage of light through the glazing.

In der europäischen Patentanmeldung EP 0 658 677 A1 wird eine rahmenlose Brandschutzverglasung beschrieben, bei der Brandschutzscheiben an einer freistehenden Stützkonstruktion befestigt werden. Die einzelnen Brandschutzscheiben werden bei dieser Lösung mittels Halterungen fixiert, bei denen auf den beiden Seiten der Brandschutzscheibe korrespondierende Stützplatten vorgesehen sind, die mittels einer durch die Brandschutzscheibe hindurch geführten Verschraubung miteinander verbunden werden und auf diese Weise die dazwischen befindliche Brandschutzscheibe im Klemmsitz halten. Als teilweise nachteilig bei diesen Halterungen wird es angesehen, dass aufgrund der durch die Scheibe dringenden Verschraubung und dem auf diese Weise realisierten Klemmsitz nur massive Brandschutzscheiben bzw. Verbund-Brandschutzscheiben aus feuerfestem Glas mit zwischen den Glasscheiben liegenden festen intumeszierenden Schichten eingesetzt werden können.In the European patent application EP 0 658 677 A1 a frameless fire-resistant glazing is described in which fire protection panels are attached to a freestanding support structure. The individual fire protection panels are fixed in this solution by means of brackets, in which on the two sides of the fire protection plate corresponding support plates are provided, which are connected by means of a run through the fire panel screwed together and hold in this way the interposed fire protection disc in the press fit. As a partial disadvantage of these brackets, it is considered that only solid fire protection glass panes or fire protection glass panes with fixed intumescent layers lying between the glass panes can be used due to the screw through the washer and thus realized in this way.

Zusammengefasst ermöglichen es die bekannten Systeme bislang nicht, Brandschutzverglasungen zu konstruieren, die einen hohen Lichtdurchtritt und gleichzeitig den Einsatz mehrlagiger Brandschutzverglasungen ermöglichen.In summary, the known systems do not yet make it possible to construct fire-resistant glazings which allow a high passage of light and at the same time allow the use of multilayer fire-resistant glazings.

Die Aufgabe der vorliegenden Erfindung besteht darin, eine Halterung für Brandschutzverglasungen zu schaffen, die einen hohen Lichtdurchtritt durch das mit der Halterung fixierte Brandschutzelement insbesondere bei Integration verschließbarer Öffnungen aus Brandschutzglas ermöglicht und hierfür den Einsatz mehrlagiger Brandschutzverglasungen, wie beispielsweise Doppelverglasungen aus Brandschutzglas oder mit Brandschutzgel gefüllte Doppelverglasungen, zulässt.The object of the present invention is to provide a holder for fire-resistant glazing, which allows a high passage of light through the fixed with the holder fire protection element especially when integrating closable openings of fire protection glass and this the use of multi-layer fire-resistant glazing, such as double glazing made of fire-resistant glass or filled with fire protection gel Double glazing, allows.

Die erfindungsgemäße Aufgabe wird gelöst durch eine Verglasung für Brandschutz-Wandelemente, -Fenster, -Türen, -Fassadenelemente oder dergleichen gemäß Anspruch 1.The object according to the invention is achieved by a glazing for fire protection wall elements, windows, doors, facade elements or the like according to claim 1.

Der vorliegenden Erfindung liegt die Erkenntnis zugrunde, dass durch Kombination einer Hülse mit zwei Anschlagflächen für die Glasscheiben ein Abstandshalter konstruiert werden kann, mit dem die einzelnen Glasscheiben einer Brandschutz-Doppelverglasung zwischen dem Halteelement und der Gegenplatte im Klemmsitz eingespannt und auf diese Weise fixiert werden kann, ohne dass starke mechanische Kräfte und Momente auf die einzelnen Glasscheiben der Doppelverglasung einwirken. Der Abstandhalter fixiert die parallelen Glasscheiben auf dem durch die Anschlagflächen vorgegebenen Abstand auch bei festem Anziehen der Verschraubung. Die erfindungsgemäße Halterung kann dabei für feststehende Halterungen genauso eingesetzt werden wir für Tür- oder Fensterscharniere.The present invention is based on the finding that a spacer can be constructed by combining a sleeve with two stop surfaces for the glass with which the individual glass panes of fire protection double glazing between the support member and the counter-plate clamped in place and fixed in this manner without strong mechanical forces and moments acting on the individual glass panes of the double glazing. The spacer fixes the parallel glass panes at the distance specified by the stop surfaces even when tightening the screw connection. The holder of the invention can be used for fixed brackets as well as we for door or window hinges.

Die erfindungsgemäße Lösung zeichnet sich durch eine Reihe von Vorteilen aus. Durch die direkte Fixierung der Brandschutzscheibe mittels der erfindungsgemäßen Halterung lassen sich Brandschutzverglasungen bauen, bei denen die Scheiben nicht jeweils in einen umlaufenden Rahmen eingefasst werden müssen. Auf diese Weise erlauben die mit den erfindungsgemäßen Halterungen ausgerüsteten Brandschutzelemente einen höheren Lichtdurchtritt. Außerdem wirken derartige Brandschutzelemente optisch ansprechender.The solution according to the invention is characterized by a number of advantages. The direct fixation of the fire protection pane by means of the holder according to the invention makes it possible to build fire-resistant glazings in which the panes do not have to be enclosed in a peripheral frame in each case. In this way, the fire protection elements equipped with the brackets according to the invention allow a higher passage of light. In addition, such fire protection elements look visually appealing.

Die Halterungen der erfindungsgemäßen Verglasung ermöglichen den Einsatz von Brandschutz-Doppelverglasungen, insbesondere von mit Brandschutzgel gefüllten Brandschutzscheiben, auch wenn der Einsatz dieser Halterungen nicht auf diese speziellen Brandschutzscheibentypen beschränkt ist. Mit Brandschutzgel bzw. Hydrogel gefüllte Brandschutzscheiben sind beispielsweise in der EP 1 820 931 A1 und in der DE 10 2005 018 842 A1 beschrieben. Diese Brandschutzscheiben haben gegenüber den ansonsten vielfach eingesetzten Brandschutzscheiben mit festen silikathaltigen intumeszierenden Zwischenschichten, beispielsweise auf Wasserglasbasis, den Vorteil, dass sie ein geringeres Flächengewicht bei vergleichbarer Feuerwiderstandsklasse aufweisen können. Das bedeutet nicht nur einen einfacheren Transport der Scheiben, sondern auch, dass die Halterung und Rahmenkonstruktion wegen der geringeren Last leichter ausgelegt werden können. Ferner sind die mit Brandschutzgel gefüllten Brandschutzscheiben gegenüber den Scheiben mit festen silikathaltigen Intumeszenz-Zwischenschichten weitaus weniger anfällig gegen eindringende Feuchtigkeit, welche bei den letztgenannten zur Trübung der Zwischenschicht führt, was den Austausch der Scheibe erfordert.The brackets of the glazing according to the invention allow the use of fire-resistant double glazing, in particular fire protection gel filled with fire protection, even if the use of these brackets is not limited to these special types of fire protection. With fire protection gel or hydrogel filled fire protection panels are for example in the EP 1 820 931 A1 and in the DE 10 2005 018 842 A1 described. These fire-resistant windows have the advantage over the otherwise widely used fire-resistant panes with solid silicate-containing intumescent intermediate layers, for example on a waterglass basis, that they can have a lower basis weight with a comparable fire resistance class. This not only means easier transport of the discs, but also that the bracket and frame construction can be made lighter because of the lower load. Furthermore, the fire protection panels filled with fire protection gel are far less susceptible to penetrating moisture compared to the disks with solid silicate-containing intumescent intermediate layers, which in the latter leads to turbidity of the intermediate layer, which requires replacement of the pane.

Mit einem Brandschutzgel gefüllte Brandschutzscheiben bestehen üblicherweise aus zwei parallel beabstandeten Glasscheiben aus Einscheibensicherheitsglas (ESSG), die über ein in ihren Randbereichen zwischen den Glasscheiben liegendes umlaufendes Abstandshalteprofil und zum Beispiel einen Polyurethan-Randverbund fixiert und miteinander verbunden sind. Durch eine Öffnung in diesem Abstandshalteprofil werden das Brandschutzgel oder die Vorkomponenten eingefüllt, wobei im letzten Fall die Gelbildung durch Polymerisation zum Hydrogel im mit der Mischung ausgefüllten Hohlraum zwischen den Glasscheiben erfolgt.Brandschutzgel filled fire protection panels usually consist of two parallel spaced glass panes of toughened safety glass (ESSG), which lie over a lying in their peripheral areas between the glass panes circumferential spacer profile and, for example, a polyurethane edge seal fixed and interconnected. Through an opening in this spacer profile, the fire protection gel or the precomponents are filled, in the latter case, the gelation is carried out by polymerization to hydrogel in the cavity filled with the mixture between the glass sheets.

Das in diesen Brandschutzscheiben eingefüllte Gel wird jedoch nicht vollkommen fest, sondern behält je nach dem Vernetzungsgrad und der Menge an Monomeren in Bezug auf den Wassergehalt eine mehr oder minder feste gelartige Konsistenz. Dies macht mit einem solchen Gel gefüllte Brandschutzscheiben relativ empfindlich gegenüber einem auf die Glasflächen wirkenden Druck, da sich das Gel bei leichtem Verformen der Glasscheibe in der Schicht verschiebt. Aus diesem Grund konnten bislang an diese Scheiben keine Halterungen direkt angebracht werden, bei denen Druck auf die Glasscheiben ausgeübt wird, sondern die Scheiben mussten in einen Rahmen eingefasst werden, an dem dann die Halterungen angreifen können.However, the gel filled in these fire panels does not become completely solid, but retains a more or less firm gel consistency depending on the degree of crosslinking and the amount of monomers in terms of water content. This makes fire-resistant panels filled with such a gel relatively sensitive to pressure acting on the glass surfaces, since the gel shifts in the layer with slight deformation of the glass pane. For this reason, so far no holders could be directly attached to these discs, in which pressure is exerted on the glass panes, but the discs had to be enclosed in a frame on which then the brackets can attack.

Die Halterung der erfindungsgemäßen Verglasung ermöglicht es nun jedoch, auch mit Brandschutzgel gefüllte Brandschutzscheiben rahmenlos zu verbauen, indem die Anschlagflächen des Abstandhalters den beim Einspannen der Doppelverglasung im Klemmsitz auftretenden Druck aufnehmen und so ein Verbiegen der Glasscheiben verhindern.However, the holder of the glazing according to the invention now makes it possible to framelessly install even with fire protection gel-filled fire protection by the stop surfaces of the spacer absorb the pressure occurring during clamping of the double glazing in the press fit and thus prevent bending of the glass.

Anspruchsgemäß ist vorgesehen, dass die Hülse des Abstandhalters auf beiden Seiten der Anschlagflächen des Abstandhalters übersteht. Dies ist von Vorteil, da dieser Überstand ein einfaches Positionieren und Fixieren des Abstandhalters zwischen den beabstandeten Glasscheiben ermöglicht, indem diese Überstände in Löcher eingreifen können, die in den Glasscheiben vorgesehen sind.According to the claim it is provided that the sleeve of the spacer protrudes on both sides of the stop surfaces of the spacer. This is advantageous because this projection allows easy positioning and fixing of the spacer between the spaced glass sheets by allowing these projections to engage in holes provided in the glass sheets.

Der Abstandhalter wirkt darüber hinaus auch als zusätzlicher Stabilisator, insbesondere bei großflächiger Verglasung, da die Scheiben auf diese Weise nicht nur unmittelbar am Rand, sondern auch weiter innen gegen einander fixiert werden. Dabei ist der Abstandhalter so auf die Brandschutzscheibe abgestimmt, dass die Anschlagflächen die Glasscheiben auf demselben Abstand fixieren, wie das zwischen den Glasscheiben eingebaute umlaufende Abstandshalteprofil.The spacer also acts as an additional stabilizer, especially in large-scale glazing, as the discs are fixed in this way not only directly on the edge, but also further inside against each other. In this case, the spacer is matched to the fire protection pane, that the stop surfaces fix the glass panes at the same distance as the built-in between the glass panes circumferential spacer profile.

Ein besonderer Vorteil der Halterung der erfindungsgemäßen Verglasung liegt jedoch darin, dass für den Fall, dass bei einem Brand die Glasscheibe auf der Brandseite durch die hohen Temperaturen platzt, die Bruchstücke dieser Glasscheibe noch eine gewisse Zeit durch das Brandschutzgel gehalten werden und so weiterhin ein Teil Ihrer Schutzwirkung aufrecht erhalten wird. Die zweite Scheibe wird darüber hinaus durch das Brandschutzgel gekühlt und bleibt auch bei längerer Brandexposition intakt.However, a particular advantage of the holder of the glazing according to the invention lies in the fact that in case of fire in the glass on the fire side bursts by the high temperatures, the fragments of this glass are still held for a certain time by the fire protection gel and so continue to be a part Their protective effect is maintained. The second disc is also cooled by the fire protection gel and remains intact even after prolonged exposure to fire.

Die Halterung der erfindungsgemäßen Verglasung ist dabei so konstruiert, dass beim Zerbrechen der brandseitigen Glasscheibe die zweite brandabseitige Glasscheibe durch die Halterung in ihrer Position fixiert wird und ihre Funktion erhalten bleibt. Denn die mechanische Verbindung durch die Verschraubung zwischen Gegenplatte und Halteelement bleibt unabhängig vom Zustand der brandseitigen Glasscheibe intakt. Dieser vorteilhafte Effekt stellt sich auch unabhängig davon ein, von welcher Seite der Brand auf die Halterung bzw. die damit gehaltene Brandschutzverglasung trifft.The holder of the glazing according to the invention is constructed so that when breaking the fire-side glass, the second brand-side glass pane is fixed by the holder in position and their function is maintained. Because the mechanical connection through the screw connection between counter-plate and retaining element remains intact regardless of the state of the fire-side glass pane. This advantageous effect is also independent of which side of the fire on the holder or the thus held fire-resistant glazing meets.

Eine bevorzugte Ausführungsform der Halterung der erfindungsgemäßen Verglasung zeichnet sich dadurch aus, dass das Halteelement und/ oder die Gegenplatte auf der der Glasscheibe zugewandten Seite ein den direkten Kontakt zwischen Metall und Glas vermeidendes Trenn- bzw. Dämpfungselement aufweist. Ein solches Dämpfungselement kann beispielsweise eine Unterlegscheibe aus Kunststoff, insbesondere PTFE oder einem Polyamid, insbesondere Aramid, Silicon oder Gummi sein. In ganz besonders vorteilhafter Form ist die Unterlegscheibe aus einem hitzebeständigen Material. Dies ist besonders vorteilhaft, da auf diese Weise ein fester Klemmsitz für die Brandschutzscheibe verwirklicht werden kann ohne dass das Halteelement und die Gegenplatte, die üblicherweise aus Metall sind, direkten Kontakt zu den Glasscheiben besitzen.A preferred embodiment of the holder of the glazing according to the invention is characterized in that the holding element and / or the counter-plate on the side facing the glass pane has a separating or damping element which avoids direct contact between the metal and the glass. Such a damping element For example, it can be a plastic washer, in particular PTFE or a polyamide, in particular aramid, silicone or rubber. In a particularly advantageous form, the washer is made of a heat-resistant material. This is particularly advantageous because in this way a firm press fit for the fire protection pane can be realized without the holding element and the counter plate, which are usually made of metal, have direct contact with the glass sheets.

Es ist erfindungsgemäß vorgesehen, dass das Halteelement und die Gegenplatte durch ein Fixiermittel miteinander verbunden sind. Dieses Fixiermittel kann beispielsweise ein Metallstift sein, der auf beiden Seiten angeschweißt wird oder aber in vorteilhafter Weise kann das Fixiermittel eine Schraube sein. Diese eröffnet die Möglichkeit, den Klemmsitz der erfindungsgemäßen Halterung über das an der Schraube angelegte Drehmoment beim Anziehen exakt festzulegen. Die Gegenplatte kann in diesem Fall eine Gewindevertiefung aufweisen oder aber auch ein durchgehendes Loch, in das ein Gewinde geschnitten ist. Ebenso kann die Gegenplatte durch eine Mutter gebildet werden, vorzugsweise in Kombination mit einer Unterlegscheibe.It is inventively provided that the holding element and the counter-plate are interconnected by a fixing means. This fixing means may for example be a metal pin which is welded on both sides or in an advantageous manner, the fixing means may be a screw. This opens up the possibility of exactly fixing the clamping seat of the holder according to the invention via the torque applied to the screw when tightening. The counter-plate can in this case have a threaded recess or even a through hole into which a thread is cut. Likewise, the counter-plate may be formed by a nut, preferably in combination with a washer.

Eine Weiterbildung der Halterung der erfindungsgemäßen Verglasung sieht vor, dass die jeweiligen Teilstücke der Hülse, die über die Anschlagflächen überstehen, eine Länge aufweisen, die gleich oder größer als die Dicke der jeweiligen Glasscheiben ist. Auf diese Weise wird gewährleistet, dass beim Zusammenbau der erfindungsgemäßen Halterung einerseits der Klemmsitz der Glasscheiben jeweils zwischen Anschlagflächen des Abstandhalters und des Halteelements bzw. der Gegenplatte gewährleistet wird, jedoch beim Zerspringen einer der Scheiben im Brandfall die Funktionsfähigkeit der gesamten Halterung und damit der Brandschutzverglasung nicht wesentlich beeinträchtigt wird. Besonders vorteilhaft ist es, wenn der Überstand der Hülse so groß ist, dass die Hülse nach dem Einsetzen in die Glasscheibe auf der Außenseite der Scheibe etwas hinausragt. Bei Einsatz eines Dämpfungselementes wird in diesem Fall beim Verbinden des Halteelements und der Gegenplatte über eine Schraube die Glasscheibe unter leichtem Zusammenpressen des Dämpfungselementes eingeklemmt. Beim Platzen dieser Glasscheibe im Brandfall bleibt dies deshalb ohne Auswirkungen auf die sichere Halterung der zweiten Glasscheibe.A development of the holder of the glazing according to the invention provides that the respective sections of the sleeve, which project beyond the stop surfaces, have a length which is equal to or greater than the thickness of the respective glass panes. In this way, it is ensured that when assembling the holder according to the invention on the one hand, the clamping seat of the glass is respectively guaranteed between abutment surfaces of the spacer and the support member or the counter-plate, but in the event of a fire in case of fire, the functionality of the entire holder and thus the fire-resistant glazing not is significantly impaired. It when the projection of the sleeve is so large that the sleeve after insertion into the is particularly advantageous Glass pane protrudes slightly on the outside of the pane. When using a damping element, the glass pane is clamped in this case when connecting the holding element and the counter-plate via a screw with slight compression of the damping element. When bursting this glass in case of fire, this therefore has no effect on the secure mounting of the second glass.

Nach einer weiteren Ausführungsform der Halterung der erfindungsgemäßen Verglasung weist die Hülse einen runden Querschnitt auf. Da es in der Regel den geringsten Aufwand bedeutet, die Glasscheiben mit runden Löchern für die erfindungsgemäßen Halterung vorzusehen, lässt sich eine Hülse mit rundem Querschnitt in einem derartigen Loch am zuverlässigsten befestigen, bevorzugt über ein Füllmaterial. Als Füllmaterial können beispielsweise Klebstoffe, insbesondere spaltüberbrückende Klebstoffe, oder aber auch Gießharze oder Silikon eingesetzt werden. Die Gießharze können ein- oder zweikomponentig sein.According to a further embodiment of the holder of the glazing according to the invention, the sleeve has a round cross-section. Since it usually means the least effort to provide the glass panes with round holes for the holder according to the invention, a sleeve with a round cross-section can be fixed most reliably in such a hole, preferably on a filler. For example, adhesives, in particular gap-bridging adhesives, or even casting resins or silicone can be used as the filler material. The casting resins may be one or two-component.

Eine Weiterbildung der Halterung der erfindungsgemäßen Verglasung sieht ferner vor, dass eine oder beide Anschlagflächen des Abstandhalters einen runden Querschnitt aufweisen. Dies ist besonders vorteilhaft, da auf diese Weise die zwischen den Anschlagflächen und den Glasscheiben durch den Klemmsitz hervorgerufenen Kräfte gleichmäßig verteilt werden.A development of the holder of the glazing according to the invention further provides that one or both stop surfaces of the spacer have a round cross-section. This is particularly advantageous because in this way the forces caused between the abutment surfaces and the glass sheets by the clamping seat are evenly distributed.

Nach einer weiteren bevorzugten Ausführungsform der Halterung der erfindungsgemäßen Verglasung besteht der Abstandhalter aus Kunststoff oder Metall, insbesondere aus mit Kunststoff beschichtetem Metall. Als Kunststoffe kommen beispielsweise glasfaserverstärkte Kunststoffe (GFK), Polyethylen (PE) oder Polypropylen (PP) in Betracht. Dabei sollten die Kunststoffe eine in Anbetracht der Scheibengröße und der gewünschten Materialstärke des Abstandshalters erforderliche Festigkeit besitzen. Kommen Brandschutzscheiben mit einem Brandschutzgel zum Einsatz, muss der Kunststoff gleichzeitig eine ausreichende chemische Beständigkeit gegenüber dem Brandschutzgel besitzen.According to a further preferred embodiment of the holder of the glazing according to the invention, the spacer consists of plastic or metal, in particular plastic coated metal. As plastics, for example, glass fiber reinforced plastics (GRP), polyethylene (PE) or polypropylene (PP) come into consideration. The plastics should have the necessary strength in view of the size of the disk and the desired thickness of the spacer. If fire protection panels are used with a fire protection gel, At the same time, the plastic must have sufficient chemical resistance to the fire protection gel.

Abstandhalter aus Metall können zum Beispiel Eisen, Stahl, Edelstahl oder Aluminium gefertigt werden. Bevorzugt werden diese Metalle mit Kunststoff beschichtet, um Wechselwirkungen mit dem Brandschutzgel zu verhindern. Diese Wechselwirkungen können zum einen zur oberflächlichen Korrosion des Abstandhalters und gleichzeitig zu Verfärbungen des Brandschutzgels sowie Gasblasenbildung im Gel führen, was das optische Erscheinungsbild der Verglasung beeinträchtigen kann. Als Kunststoffbeschichtung für die Metalle kommen prinzipiell sämtliche Kunststoffe in Betracht, die einerseits an dem Metall haften und andererseits eine ausreichende chemische Resistenz gegenüber dem eingesetzten Brandschutzgel aufweisen. Für diesen Zweck können die Abstandshalter aus Metall beispielsweise mit Polyethylen, Polypropylen oder PTFE beschichtet werden. Auch kann der erwünschte Schutz durch Pulverbeschichtung erzielt werden. Die Kunststoffbeschichtung kann in diesem Fall gleichzeitig auch die Funktion des bereits beschriebenen Dämpfungselements erfüllen, da so der direkte Kontakt zwischen Metall und Glasscheibe verhindert wird. Soll unbeschichtetes Metall eingesetzt werden, können zwischen den Anschlagflächen des Abstandhalters und den Glasscheiben ebenfalls Dämpfungselemente vorgesehen werden.Metal spacers can be made for example iron, steel, stainless steel or aluminum. Preferably, these metals are coated with plastic to prevent interactions with the fire protection gel. On the one hand, these interactions can lead to superficial corrosion of the spacer and at the same time discoloration of the fire protection gel and gas bubble formation in the gel, which can impair the visual appearance of the glazing. As a plastic coating for the metals are in principle all plastics into consideration, on the one hand adhere to the metal and on the other hand have a sufficient chemical resistance to the fire protection gel used. For this purpose, the metal spacers can be coated, for example, with polyethylene, polypropylene or PTFE. Also, the desired protection by powder coating can be achieved. The plastic coating can also fulfill the function of the already described damping element in this case, since so the direct contact between the metal and glass is prevented. If uncoated metal is to be used, attenuation elements can also be provided between the abutment surfaces of the spacer and the glass panes.

Es ist ebenso möglich, den Abstandshalter aus einem harten Kunststoff zu fertigen, der selbst gegenüber dem Brandschutzgel keine ausreichende chemische Stabilität besitzt und dann diesen Kunststoff-Abstandhalter in analoger Weise zu den Metall-Abstandhaltern mit einem der oben genannten Kunststoffe zu beschichten, um die chemische Resistenz des Bauteils sicher zu stellen.It is also possible to make the spacer of a hard plastic, which itself has no sufficient chemical stability against the fire protection gel and then to coat this plastic spacer in an analogous manner to the metal spacers with one of the above plastics to the chemical To ensure resistance of the component.

Die erfindungsgemäß eingesetzten Abstandhalter können entweder spanabhebend aus einem Materialstück herausgearbeitet werden, zum Beispiel auf einer Drehbank oder mittels eines Gießverfahrens hergestellt werden. Es ist jedoch ebenso möglich, den Abstandhalter aus einer Hülse und den beiden Anschlagflächen durch Zusammenfügen dieser Bauteile über Kleben, Schweißen oder ähnliche Fügetechniken herzustellen.The spacers used according to the invention can either be machined from a piece of material, for example, produced on a lathe or by means of a casting process. However, it is also possible to produce the spacer from a sleeve and the two abutment surfaces by joining these components via gluing, welding or similar joining techniques.

Nach einer hierzu alternativen Ausführungsform der erfindungsgemäßen Halterung ist die Gegenplatte der Halterung ebenfalls als Halteelement ausgebildet. Diese Variante ermöglicht es, die Halterung auf beiden Seiten der Brandschutzscheibe beispielsweise an einer Gebäudewand zu befestigen. Auf diese Weise können besonders hohe Brandschutzverglasungen mit verhältnismäßig wenigen Halterungen sicher befestigt werden.According to an alternative embodiment of the holder according to the invention, the counter plate of the holder is also formed as a holding element. This variant makes it possible to attach the holder on both sides of the fire protection pane, for example, on a building wall. In this way, particularly high fire-resistant glazing can be securely fastened with relatively few brackets.

Nach einer bevorzugten Ausführungsform der erfindungsgemäßen Verglasung ist der Raum zwischen den Glasscheiben mit einem Gas, einer Flüssigkeit oder einem Gel, insbesondere einem Brandschutzgel, gefüllt. Als Brandschutzgel können im Prinzip sämtliche, dem Fachmann für diese Zwecke bekannten Gele eingesetzt werden. Die im Rahmen der Erfindung eingesetzten Brandschutzgele können auch Additive beinhalten wie Silikate, UV-Schutzmittel oder auch Farbstoffe. Die mit einem Brandschutzgel gefüllten Brandschutzverglasungen sind besonders bevorzugt, da diese sehr gute Brandschutzeigenschaften aufweisen und mit Hilfe der erfindungsgemäßen Halterung rahmenlos befestigt werden können, wobei der erfindungsgemäße Aufbau der Halterung sicherstellt, dass auch das Platzen einer Scheibe den Sitz der noch intakten Brandschutzscheibe an dem das Brandschutzgel haftet und die Scheibe dadurch kühlt, nicht wesentlich beeinträchtigt.According to a preferred embodiment of the glazing according to the invention, the space between the glass panes is filled with a gas, a liquid or a gel, in particular a fire protection gel. In principle, all gels known to the person skilled in the art for this purpose can be used as the fire protection gel. The fire protection gels used in the context of the invention may also contain additives such as silicates, UV protectants or even dyes. The fire protection glazings filled with a fire protection gel are particularly preferred because they have very good fire protection properties and can be fixed frameless with the aid of the holder according to the invention, wherein the construction of the holder according to the invention ensures that Also, the bursting of a disc the seat of the still intact firewall to which the fire protection gel adheres and cools the disc, not significantly affected.

Gemäß einer besonders bevorzugten Ausführungsform der erfindungsgemäßen Verglasung besteht zumindest eine der Glasscheiben aus Sicherheitsglas, insbesondere aus Einscheibensicherheitsglas. Dies ist besonders vorteilhaft, da dieses bei extrem hohen Temperaturen im Brandfall in sehr viele kleine Bruchstücke zerspringt, von denen zum einen eine geringere Verletzungsgefahr ausgeht und die zum anderen auch im zerborstenen Zustand gut am Brandschutzgel haften und damit weiterhin das Brandschutzgel für eine gewisse Zeit vor dem direkten Flammenkontakt schützen. Besonders vorteilhaft ist dabei der Einsatz von Glasarten, die eine hohe Temperaturresistenz besitzen, wie beispielsweise Duran®. Da Einscheibensicherheitsglas nach dem Vorspannen nicht mehr geschnitten werden kann, müssen die Öffnungen, durch die die Hülse der erfindungsgemäßen Halterung durchgeführt werden, bereits vor dem Vorspannen in den Glasscheiben vorgesehen werden.According to a particularly preferred embodiment of the glazing according to the invention, at least one of the glass panes is made of safety glass, in particular single-pane safety glass. This is particularly advantageous because it shatters into very many small fragments at extremely high temperatures in the event of fire, of which on the one hand a lower risk of injury emanates and on the other well in the crushed state adhere well to the fire protection gel and thus continue the fire protection gel for a certain time before protect the direct flame contact. Particularly advantageous is the use of types of glass which have a high temperature resistance, such as Duran®. Since tempered safety glass can not be cut after tempering, the openings through which the sleeve of the holder according to the invention are carried out must already be provided in the glass sheets prior to tempering.

Erfindungsgemäß lassen sich jedoch ebenso andere Glasscheiben verwenden, wie Floatglas oder aber auch Verbundsicherheitsglas.According to the invention, however, other glass panes can also be used, such as float glass or even laminated safety glass.

Die für die erfindungsgemäßen Verglasungen eingesetzten Glasscheiben können prinzipiell jede gewünschte Dicke annehmen. Für Brandschutzzwecke, insbesondere zur Herstellung von mit Brandschutzgel gefüllten Doppelverglasungen ist es zweckmäßig, wenn die einzelnen Glasscheiben unabhängig voneinander eine Scheibendicke von 1 bis 15 mm, bevorzugt 2,5 bis 10 mm aufweisen.The glass sheets used for the glazings according to the invention can in principle assume any desired thickness. For fire protection purposes, in particular for the production of double glazing filled with fire protection gel, it is expedient if the individual glass panes independently of one another have a pane thickness of 1 to 15 mm, preferably 2.5 to 10 mm.

Der Abstand der beiden Glasscheiben in einer solchen Doppelverglasung kann ebenfalls beliebig den Anforderungen angepasst werden. Unabhängig davon, ob der Zwischenraum der Glasscheiben mit einem Gas, einer Flüssigkeit oder einem Gel, insbesondere einem Brandschutzgel gefüllt ist, hat sich ein Abstand der Glasscheiben von 5 bis 50 mm als für die meisten Anwendungen ausreichend erwiesen. Besonders bevorzugt beträgt der Abstand der Glasscheiben voneinander etwa 8 bis 25 mm, da sich auf diese Weise insbesondere bei mit Brandschutzgel gefüllten Brandschutzverglasungen gute Brandresistenzen bei gleichzeitig moderatem Gewicht der Verglasung erzielen lassen.The distance of the two glass panes in such a double glazing can also be arbitrarily adapted to the requirements. Independent of the space between the glass panes is filled with a gas, a liquid or a gel, in particular a fire protection gel, a distance of the glass panes of 5 to 50 mm has proven sufficient for most applications. Particularly preferably, the distance of the glass panes from each other is about 8 to 25 mm, as can be achieved in this way, especially in fire-resistant gel filled with fire protection glazing good fire resistance at the same moderate weight of the glazing.

Ausführungsbeispiel:Embodiment:

Die Funktionsweise der erfindungsgemäßen Halterung wird im Folgenden anhand der Figuren 1 und 2 beschrieben. Dabei zeigen

Fig. 1
eine Schnittdarstellung der erfindungsgemäßen Halterung als Türscharnier einer rahmenlosen Brandschutz-Glastür von oben;
Fig. 2
eine Schnittdarstellung einer erfindungsgemäßen Halterung alternativ verbaut als feststehende Halterung einer Brandschutztrennwand bzw. einer Brandschutzfassade aus Glas von oben und
Fig. 3
eine Haltekonstruktion für vier Brandschutzscheiben, perspektivisch.
The operation of the holder according to the invention will be described below with reference to the FIGS. 1 and 2 described. Show
Fig. 1
a sectional view of the holder according to the invention as a door hinge of a frameless fire-resistant glass door from above;
Fig. 2
a sectional view of a holder according to the invention alternatively installed as a fixed support a fire protection partition or a fire protection facade made of glass from above and
Fig. 3
a support structure for four fire protection windows, in perspective.

In beiden Fällen erfolgt die Befestigung der Verglasung über unterschiedliche Ausführungsformen der erfindungsgemäßen Halterung.In both cases, the attachment of the glazing over different embodiments of the holder according to the invention takes place.

In Fig. 1 ist die Halterung 1 der erfindungsgemäßen Verglasung als rahmenlose Schamieranbindung einer Brandschutztür 2 dargestellt. Die Halterung 1 weist ein Halteelement 3 aus Stahl auf, das in der dargestellten Ausführungsform als Scharnierband fungiert, welches die Halterung 1 über das Türscharnier 4 mit Hilfe des Scharnierstiftes 5 um die Längsachse schwenkbar mit der Zarge 6 verbindet. Die Zarge 6 ist mit Hilfe der Verschraubung 7 mit einem feststehenden Gebäudeteil oder einer Haltekonstruktion verbindbar. Der Spalt zwischen Brandschutztür 2 und der Zarge 6 ist über eine an der Zarge 6 angebrachte Dichtung 23 abgedichtet.In Fig. 1 the holder 1 of the glazing according to the invention is shown as a frameless Schamieranbindung a fire door 2. The holder 1 has a holding element 3 made of steel, which acts as a hinge band in the illustrated embodiment, which the holder 1 via the door hinge 4 by means of the hinge pin 5 pivotally connected to the frame 6 about the longitudinal axis. The frame 6 is connected by means of the screw 7 with a fixed part of the building or a support structure. The gap between the fire door 2 and the frame 6 is sealed by a seal 23 attached to the frame 6.

Die Brandschutztür 2 besteht aus den Glasscheiben 8 und 9 aus Einscheibensicherheitsglas, die parallel und mit Abstand zueinander angeordnet sind. Die Glasscheiben 8 und 9 weisen je eine Bohrung 10 bzw. 11 auf, in denen ein Abstandhalter 12 mit den jeweils äußeren Bereichen der Hülse 13 mittels eines Füllmaterials 14, hier ein Gießharz, verbunden ist. Die Hülse 13 ragt dabei an beiden Außenseiten der Glasscheiben 8 und 9 über diese hinaus.The fire door 2 consists of the glass sheets 8 and 9 made of toughened safety glass, which are arranged parallel and spaced from each other. The glass sheets 8 and 9 each have a bore 10 and 11, in which a spacer 12 with the respective outer regions of the sleeve 13 by means of a filling material 14, here a casting resin, is connected. The sleeve 13 protrudes on both outer sides of the glass sheets 8 and 9 beyond this.

Der Abstandhalter 12 besteht aus mit Kunststoff beschichtetem Edelstahl und weist einseitig daran ausgebildete ringförmige Anschlagflächen 15 und 16 für die Glasscheiben 8 und 9 auf. Durch die Hülse 13 des Abstandhalters 12 wird das Halteelement 3 mittels eines Fixiermittels 17 in Form einer Schraube mit der Gegenplatte 18 aus Stahl verschraubt, wodurch die einzelnen Glasscheiben 8 und 9 der Brandschutzscheibe 2 im Klemmsitz gehalten werden. Zwischen Halteelement 3 und der Glasscheibe 8 sowie zwischen der Gegenplatte 18 und der Glasscheibe 9 befindet sich jeweils ein Trenn- bzw. Dämpfungselement 19 bzw. 20 in Form einer Zwischenlegscheibe aus Gummi.The spacer 12 is made of plastic coated stainless steel and has on one side formed thereon annular abutment surfaces 15 and 16 for the glass sheets 8 and 9. Through the sleeve 13 of the spacer 12, the holding member 3 is screwed by means of a fixing means 17 in the form of a screw with the counter plate 18 made of steel, whereby the individual glass sheets 8 and 9 of the fire protection pane 2 are held in a clamping fit. Between holding member 3 and the glass sheet 8 and between the counter-plate 18 and the glass sheet 9 is in each case a separating or damping element 19 and 20 in the form of an intermediate washer made of rubber.

Der Raum zwischen den Glasscheiben 8 und 9 ist mit einem Brandschutzgel 21 gefüllt. Die Glasscheiben 8 und 9 sind mit einem umlaufenden U-förmig ausgebildeten Abstandshalteprofil 22 verklebt, welches die Glasscheiben 8 und 9 auf dem gewünschten Abstand zueinanderfixiert und gleichzeitig ein Ausfließen des Brandschutzgels 21 verhindert. Die Höhe des Abstandshalteprofils 22 entspricht dem Abstand der äußeren Flächen der Anschlagflächen 15 und 16.The space between the glass sheets 8 and 9 is filled with a fire protection gel 21. The glass sheets 8 and 9 are glued to a circumferential U-shaped spacer profile 22 which fixes the glass sheets 8 and 9 at the desired distance and at the same time prevents the fire protection gel 21 from flowing out. The height of the spacer profile 22 corresponds to the distance between the outer surfaces of the stop surfaces 15 and 16.

Das Brandschutzgel 21 wird beispielsweise als Hydrogel aus einer NaCl/MgCl2 Salzlösung unter Zugabe polymerisierbarer Verbindungen wie einer Mischung aus Acrylamid, N-Methylolacrylamid, Methylenbisarcylamid und einem Polymerisationsbeschleuniger in Wasser entweder vor dem Einfüllen zwischen die Glasscheiben 8 und 9 hergestellt oder in-situ zwischen den Glasscheiben 8 und 9 erzeugt, indem die oben genannten Komponenten miteinander vermischt und direkt in den Hohlraum zwischen die Glasscheiben 8 und 9 eingefüllt werden. Die Polymerisation zum Hydrogel erfolgt dann im nun mit der Mischung ausgefüllten Hohlraum zwischen den Glasscheiben 8 und 9.The fire protection gel 21 is prepared, for example, as hydrogel from a NaCl / MgCl 2 salt solution with the addition of polymerizable compounds such as a mixture of acrylamide, N-methylolacrylamide, methylenebisarcylamide and a polymerization accelerator in water either before filling between the glass sheets 8 and 9 or in-situ the glass sheets 8 and 9 produced by the above components are mixed together and filled directly into the cavity between the glass sheets 8 and 9. The polymerization to the hydrogel then takes place in the cavity now filled with the mixture between the glass sheets 8 and 9.

In der Fig. 2 ist eine alternative Ausführungsform der Halterung 1 der erfindungsgemäßen Verglasung dargestellt, bei der je eine Halterung 1 eine mit Brandschutzgel 21 gefüllte Brandschutzscheibe 24 paarweise an einem frei im Raum stehenden Stützpfosten 25 fixieren. An dem Halteelement 3 der Halterung 1 ist bei dieser Ausführungsform ein trapezförmiges Anschlussstück 26 angebracht, mit welchem das Halteelement 3 an dem Distanzstück 27 gehalten ist, welches wiederum am Stützpfosten 25 befestigt ist. Die Stoßfuge zwischen den beiden Brandschutzscheiben 24 ist mit einem Dichtmittel 28 verfüllt, beispielsweise mit einer intumeszierenden Dichtmasse.In the Fig. 2 an alternative embodiment of the holder 1 of the glazing according to the invention is shown, in which each holder 1 fix a fire protection gel 24 filled with fire protection gel 24 in pairs on a free standing in the space support post 25. On the holding element 3 of the holder 1, a trapezoidal connecting piece 26 is attached in this embodiment, with which the holding element 3 is held on the spacer 27, which in turn is attached to the support post 25. The butt joint between the two fire protection discs 24 is filled with a sealant 28, for example, with an intumescent sealant.

Für den Fall einer Anwendung der Halterung 1 der erfindungsgemäßen Verglasung an einer Brandschutzfassade können diese mit Mehrfach-, insbesondere Vierfach-Adaptern 29 zur Halterung von insbesondere vier Brandschutzscheiben, kombiniert werden, die die Verbindung zur tragenden Konstruktion herstellen, wie dies in Fig. 3 der Zeichnung dargestellt ist. Bezugszeichenliste: 1) Halterung 28) Dichtmittel 2) Brandschutztür 29) Adapter 3) Halteelement 4) Türscharnier 5) Scharnierstift 6) Zarge 7) Verschraubung 8) Glasscheibe 9) Glasscheibe 10) Bohrung 11) Bohrung 12) Abstandhalter 13) Hülse 14) Füllmaterial 15) Anschlagfläche 16) Anschlagfläche 17) Fixiermittel 18) Gegenplatte 19) Dämpfungselement 20) Dämpfungselement 21) Brandschutzgel 22) Abstandshalteprofil 23) Dichtung 24) Brandschutzscheibe 25) Stützpfosten 26) Anschlussstück 27) Distanzstück If the holder 1 of the glazing according to the invention is used on a fire protection façade, these can be combined with multiple, in particular quadruple, adapters 29 for holding, in particular, four fire protection windows which make the connection to the supporting structure, as described in US Pat Fig. 3 the drawing is shown. <U> REFERENCE LIST: </ u> 1) bracket 28) sealant 2) Fire door 29) adapter 3) retaining element 4) door hinge 5) hinge pin 6) frame 7) screw 8th) pane 9) pane 10) drilling 11) drilling 12) spacer 13) shell 14) filling material 15) stop surface 16) stop surface 17) fixer 18) counterplate 19) damping element 20) damping element 21) firefighting gel 22) Spacer profile 23) poetry 24) Fireproof panel 25) support posts 26) connector 27) spacer

Claims (12)

  1. Glazing for fire-retardant wall elements, windows, doors, façade elements or the like, comprising at least two glass panes (8, 9) which are spaced apart in parallel and at least one holder (1) for a fire-retardant glazing, wherein the holder (1) at least comprises:
    • a holding element (3),
    • a spacer (12) consisting of a sleeve (13) and of at least two stop surfaces (15, 16) which are fixedly connected to the sleeve (13) and spaced apart in parallel, wherein the sleeve (13) projects on both sides of the stop surfaces (15, 16),
    • a counter-plate (18), and
    • a fixing means (17) by which the holding element (3) can be connected to the counter-plate (18) through the sleeve (13),
    wherein, in the assembled state, the holder (1) forms a clamping seat for the first glass pane (8) between holding element (3) and first stop surface (15) and for the second glass pane (9) between counter-plate (18) and second stop surface (16),
    characterized in that
    the respective portions of the sleeve (13) which project beyond the stop surfaces have a length which is greater than the thickness of the respective glass panes (8, 9), wherein the pressure which occurs upon clamping the double glazing in the clamping seat can be taken up by the stop surfaces of the spacer (12), and bending of the glass panes (8, 9) can thus be prevented.
  2. Glazing according to Claim 1, characterized in that the holding element (3) and/or the counter plate (18) of the holder (1) have/has a damping element (19, 20) on the side facing the glass pane (8, 9).
  3. Glazing according to Claim 1 or 2, characterized in that the fixing means (17) of the holder (1) is a screw.
  4. Glazing according one of the preceding claims, characterized in that the sleeve (13) of the holder (1) has a round cross section.
  5. Glazing according to one of the preceding claims, characterized in that the spacer (12) of the holder (1) is connected to the glass panes (8, 9) via a filling material (14).
  6. Glazing according to one of the preceding claims, characterized in that the stop surfaces (15) and/or (16) of the spacer (12) of the holder (1) have/has a round cross section.
  7. Glazing according to one of the preceding claims, characterized in that the spacer (12) consists of plastic or metal, in particular of plastic-coated metal.
  8. Glazing according to one of Claims 1 to 7, characterized in that the counter-plate (18) of the holder (1) is likewise designed as a holding element.
  9. Glazing according to one of the preceding claims, characterized in that the space between the glass panes (8, 9) is filled with a fire-retardant gel (21) .
  10. Glazing according to one of the preceding claims, characterized in that at least one of the glass panes (8, 9) consists of safety glass, in particular of toughened safety glass.
  11. Glazing according to one of the preceding claims, characterized in that the glass panes (8, 9) have, independently of one another, a pane thickness of 1 to 15 mm.
  12. Glazing according to one of the preceding claims, characterized in that the glass panes (8, 9) have a spacing of 5 to 50 mm.
EP09015187.9A 2008-12-20 2009-12-08 Holder for flame-retardant double glazing Active EP2199516B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL09015187T PL2199516T3 (en) 2008-12-20 2009-12-08 Holder for flame-retardant double glazing

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE200820016781 DE202008016781U1 (en) 2008-12-20 2008-12-20 Bracket for fire-resistant double glazing

Publications (3)

Publication Number Publication Date
EP2199516A2 EP2199516A2 (en) 2010-06-23
EP2199516A3 EP2199516A3 (en) 2014-02-19
EP2199516B1 true EP2199516B1 (en) 2018-11-07

Family

ID=40586266

Family Applications (1)

Application Number Title Priority Date Filing Date
EP09015187.9A Active EP2199516B1 (en) 2008-12-20 2009-12-08 Holder for flame-retardant double glazing

Country Status (3)

Country Link
EP (1) EP2199516B1 (en)
DE (1) DE202008016781U1 (en)
PL (1) PL2199516T3 (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202009011157U1 (en) * 2009-08-18 2011-01-05 Wiese, Reinhard Glass plate, in particular multi-pane laminated glass plate
DE102009044796A1 (en) * 2009-12-07 2011-06-09 Hfg Gmbh Method for producing fire resistant glass, comprises processing a first and a second glass plate from float glass according to a predetermined outer contour, and introducing appropriate holes in the glass plate
DE202011100312U1 (en) 2011-05-05 2011-11-02 Promat Gmbh Fire protection double glazing
DE202011100310U1 (en) 2011-05-05 2011-11-23 Promat Gmbh Fire protection double glazing
DE202011051103U1 (en) 2011-08-25 2011-10-04 Tilse Industrie- Und Schiffstechnik Gmbh Glass pane arrangement in a watercraft
DE202017100424U1 (en) * 2017-01-26 2018-04-27 Promat Gmbh Partition with single-glazed or continuous light strip

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3508078A1 (en) 1985-03-07 1986-09-18 Leininger-Brandschutzelemente GmbH, 5000 Köln Fire-retarding partition wall
DE8800333U1 (en) * 1988-01-14 1988-03-10 VEGLA Vereinigte Glaswerke GmbH, 5100 Aachen Insulating glass pane with a hole for attaching a fitting
EP0658677B1 (en) 1993-12-14 1997-05-14 PROMAT GmbH Fire-resistant glazing
DE29819678U1 (en) 1998-11-04 1999-01-14 Holzbau Schmid GmbH & Co. KG, 73099 Adelberg Fire protection glazing
DE102005018842B4 (en) 2005-04-22 2017-05-11 Hero-Glas Veredelungs Gmbh Polymerizable composition for producing a hydrogel, hydrogel and use of the hydrogel
DE102005027404A1 (en) * 2005-06-13 2006-12-14 Schröders, Theo Fire-resistant glass and process for its production
DE202006002749U1 (en) 2006-02-15 2007-06-28 Arnold Brandschutzglas Gmbh & Co. Kg Fire-resistant glazing

Non-Patent Citations (1)

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Title
None *

Also Published As

Publication number Publication date
PL2199516T3 (en) 2019-05-31
DE202008016781U1 (en) 2009-04-30
EP2199516A2 (en) 2010-06-23
EP2199516A3 (en) 2014-02-19

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