EP1811114B2 - All glass corner made of insulation glass - Google Patents

All glass corner made of insulation glass Download PDF

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Publication number
EP1811114B2
EP1811114B2 EP07000659.8A EP07000659A EP1811114B2 EP 1811114 B2 EP1811114 B2 EP 1811114B2 EP 07000659 A EP07000659 A EP 07000659A EP 1811114 B2 EP1811114 B2 EP 1811114B2
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EP
European Patent Office
Prior art keywords
glass
insulating
corner
panes
insulating glass
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EP07000659.8A
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German (de)
French (fr)
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EP1811114A3 (en
EP1811114A2 (en
EP1811114B1 (en
Inventor
Alfred Thiele
Wolfgang Immiger
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Thiele Glas GmbH
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Thiele Glas GmbH
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    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B3/00—Window sashes, door leaves, or like elements for closing wall or like openings; Layout of fixed or moving closures, e.g. windows in wall or like openings; Features of rigidly-mounted outer frames relating to the mounting of wing frames
    • E06B3/66—Units comprising two or more parallel glass or like panes permanently secured together
    • E06B3/673—Assembling the units
    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B3/00—Window sashes, door leaves, or like elements for closing wall or like openings; Layout of fixed or moving closures, e.g. windows in wall or like openings; Features of rigidly-mounted outer frames relating to the mounting of wing frames
    • E06B3/66—Units comprising two or more parallel glass or like panes permanently secured together
    • 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
    • E06B1/00—Border constructions of openings in walls, floors, or ceilings; Frames to be rigidly mounted in such openings
    • E06B1/04—Frames for doors, windows, or the like to be fixed in openings
    • E06B1/36—Frames uniquely adapted for windows
    • E06B1/363—Bay windows

Definitions

  • the present invention relates to an all-glass corner made of insulating glass or an insulating glass corner for a glass facade of a building.
  • Building façades are often built completely from insulating glass, following the zeitgeist. For aesthetic reasons, you often do without corner profiles on building corners. Instead, one forms the corners of a building as Ganzglasecken of insulating glass or as Isolierglasecken, with insulating glasses are pushed directly into the building corners. Instead of corner profiles take over corner arranged point holder the task to remove horizontal and vertical loads in the substructure of the building. Architecturally, such all-glass corners offer not only an aesthetic value, which is due to an uninterrupted look in the building corners, but also a gain in light incidence.
  • insulating glass which are each made of two insulating glass symmetrical.
  • the two insulating glass are each designed with, for example, an outer glass pane which projects beyond an inner glass pane, which together with the outer glass pane and a spacer, for example made of aluminum, steel or stainless steel, with the two glass panes to form a gas with a either air or inert gas, such as argon, xenon or krypton-filled disc space is bonded, which forms insulating glass.
  • collided at a right angle to a corner assembly form the two insulating glasses at their butt ends a cavity which is necessarily sealed on both the inside and on the outside of the whole glass corner by means of a sealing arrangement to the effect of a heat bridge formed at the butt ends of the insulating glass to reduce. Due to the thermal bridge, condensation can form on the inside of the whole glass corner at low outside temperatures.
  • the sealed cavity ensures not only a thermal insulation but also a vapor pressure equalization from the inside to the outside of the whole glass corner to counteract condensation on the inside of the whole glass corner.
  • all-glass corners made of insulating glass which are each made symmetrical from two insulating glass, for example, form the inner glass sheets exclusively a fold.
  • an angled or round cover profile is connected to the outer glass panes of the insulating glass to form a heat-insulating cavity at the butt ends of the insulating glass analogous to the previously described all-glass corners.
  • all-glass corners made of insulating glass are known, which are each designed asymmetrically from two nested insulating glass.
  • one of the two insulating glasses can be designed such that, for example, an outer glass pane protrudes slightly more than the amount of the thickness of the other insulating glass over an inner glass, while the other insulating glass is designed with two equal length glass panes, so that the butt ends of the let both insulating glass into each other.
  • the two insulating glasses can be designed in each case with, for example, an outer glass pane projecting beyond an inner glass pane in order to be placed inside one another.
  • a sealed cavity is formed by the connection of the butt ends of the insulating.
  • Such intertwined Ganzglasecken represent common, glass technically simple solutions.
  • all-glass corners are physically difficult to treat as fundamentally problematic, since they represent thermal bridges whose effect can not be compensated despite the respective formation of a sealed cavity at the butt ends of two insulating glasses. Consequently, in the known all-glass corners must always be expected with a condensation on their inner sides.
  • the invention is therefore based on the object to provide a full glass corner of insulating glass, which better insulates heat in the area of the butt ends of their two insulating glass.
  • the invention is also based on the object of providing a glass blanket made of insulating glass which prevents condensation on the inside of the whole glass corner.
  • the invention has for its object to provide a full glass corner of insulating glass with respect to the known all-glass corners better Ganzglas character.
  • the invention has for its object to provide a full glass corner of insulating glass for a glass facade of a building.
  • the all-glass corner of insulating glass according to the invention comprises two Isolierglasmaschine collided at an angle and forming a corner assembly, each having at least two glass sheets, which are connected by means of spacer members to form a space filled with a gas disc space.
  • the two insulating glass parts collide in such a way that they are in the region of their butt ends form a continuous gas-filled disc space.
  • the glass façade according to the invention for a building comprises a multiplicity of the all-glass corners made of insulating glass according to the invention.
  • the glass panes are mitred at their butt ends.
  • the glass sheets are preferably reinforced in such a way that the ratio of miter depth to glass sheet thickness is less than or equal to a value of 2.
  • the abutting surfaces of the glass panes are each provided with a shoulder, so that the butt ends of the collided glass panes each form a fold, which is widened towards the space between the panes.
  • the spacer parts arranged between the glass panes are preferably connected to one another in a form-fitting manner by means of a spring-groove connection.
  • the spacer parts can also be glued or welded together at the butt ends of the two insulating glass parts.
  • the abutting surfaces of two collapsed glass sheets are connected to each other by means of a double-sided adhesive strip or a hot melt adhesive or a plastic strip with application of heat (Q) and pressure (P).
  • the adhesive strip is advantageously transparent.
  • Transparent means that the material of the adhesive tape is similar to glass in terms of light transmission, so that visible light penetrates the adhesive tape without being substantially absorbed by it.
  • the thickness of the adhesive strip is preferably 2 to 3 mm.
  • these abutting surfaces can also be glued together by means of a preferably neutral-crosslinking, one-component hot-melt adhesive, preferably based on silicone.
  • a preferably neutral-crosslinking, one-component hot-melt adhesive preferably based on silicone.
  • such an adhesive is injected into the folds formed by the butt ends of the two Isolierglasmaschine.
  • the thickness of the glass panes is preferably 3 to 19 mm, in particular 4 to 12 mm.
  • the glass panes of the two insulating glass parts are designed as tempered float glass or single-pane safety glass (ESG).
  • ESG single-pane safety glass
  • other types of glass such as laminated safety glass (VSG), laminated glass and the like, are conceivable as glass panes for the two insulating glass parts.
  • the folds formed on the inside and on the outside of the all-glass corner according to the invention by the butt ends of the glass panes are preferably sealed by means of silicone.
  • cover profiles are conceivable for sealing the folds.
  • the float glass panes 6a, 8a, 6b, 8b are mitred at their butt ends ( FIG. 2 ).
  • Each two collapsed float glass panes 6a, 8a, 6b, 8b are partially glued together at their abutment surfaces 18a, 18b, 20a, 20b by means of a transparent, adhesive adhesive tape 22,24 on both sides.
  • the spacer members 10a, 10b, 10c, 10d, 10e, 10f are positively connected and peripherally connected with respect to the corner assembly.
  • the spacer parts 10c, 10d and 10a, 10f are each plugged together in a form-fitting manner by means of a corner part.
  • the spacer members 10a, 10c, 10d, 10f are advantageously provided at their corner-side ends, each with a groove into which the corner part can be inserted.
  • the circumferential edge joint 14 formed in the connection of the float glass panes 6a, 8a, 6b, 8b to the spacer elements 10a, 10b, 10c, 10d, 10e, 10f is sealed by means of the usual sealant 16, so that the space between the panes 12a, 12b is sealed gas-tight.
  • the folds 26, 28 formed both on the inside and on the outside of the all-glass corner by the butt ends of the float glass panes 6a, 8a, 6b, 8b are each preferably sealed from the environment by means of a silicone layer 30, 32, around the insulating glass arrangement, the desired gas barrier, in particular to impart water vapor barrier on the outside to the folds 26, 28.
  • the adhesive strips 22, 24 are made of pure acrylate and have almost the same refractive index as glass. This material has an elongation at break according to DIN ISO 527-3 of more than 800% and a shear strength on steel in accordance with DIN EN 1939 of 30 N / 25 mm and can be used in a wider temperature range. Because of its high transparency and good adhesiveness to glass, it can be used excellently for gluing glass corners.
  • silicone layer 30, 32 the below-mentioned silicone-based hot melt adhesive is contemplated, so that reference is hereby made.
  • the insulating glass parts are arranged at a right angle to each other. This arrangement represents only one possibility of angular selection. However, the angle can be selected according to the intended use between 10 and 170 °, without departing from the inventive concept.
  • the mitred faces of the float glass sheets 6a, 8a, 6b, 8b are each slightly set so that the butt ends of the collapsed glass sheets 6a, 8a, 6b, 8b respectively form a fold 26, 28 which is widened toward the disk space 12a, 12b ,
  • These paragraphs serve to position the adhesive strips 22, 24 on the abutting surfaces of the float glass panes 6a, 8a, 6b, 8b.
  • the abutment surfaces 18a, 18b, 20a, 20b of the float glass panes 6a, 8a, 6b, 8b are not interconnected by means of a plurality of adhesive strips 23, 24 but by means of a preferably neutral-crosslinking, one-component hot-melt adhesive, preferably based on silicone glued, whereby the above-described bonding and sealing of the folds 26, 28 formed by the butt ends of the float glass panes 6a, 8a, 6b, 8b is replaced therewith by the adhesive strips 22, 24 and the silicone 30, 32, since the hot melt adhesive is the float glass panes 6a, 8a, 6b, 8b are not only glued together continuously, but at the same time the folds 26, 28 sealed.
  • This hot-melt adhesive in particular silicone-based, has the following properties: a viscosity at + 120 ° C of preferably 210,000cs, a processing time of preferably 15min, an initial strength after 15min of preferably 18psi, an initial strength after 60min of preferably 28psi, a Shore A hardness from 40 to 80, preferably 60, according to ASTM C 661 (ASTM: American Society for Testing and Materials), a minimum tensile strength of 0.3 to 0.4 MPa, preferably 0.35 MPa, according to ISO 8340, an elongation at break of 500 to 850% according to ISO 8340, a movement uptake of ⁇ 10 to ⁇ 25% according to ASTM C 719, an excellent weather resistance according to ASTM C 793, a specific gravity of 0.9 to 1.1 g / ml, preferably 1.051 g / ml and a temperature resistance of preferably -50 ° C to + 93 ° C, especially from -32 ° C to + 93 °
  • these adhesive systems are transparent, preferably crystal clear, so that the material of the adhesive is similar to glass in terms of light transmission, with visible light penetrating the adhesive without substantially being absorbed by it.
  • the hot-melt adhesive is applied in the liquid state to the abutment surfaces 18a, 18b, 20a, 20b of the float glass panes 6a, 8a, 6b, 8b at a processing temperature of 120 ° C., which corresponds to the melting temperature of the adhesive, or in the collapsed state of the float glass panes 6a, 8a, 6b, 8b defined in the folds 26, 28, in which this also remains after the abutting surfaces of the float glass panes 6a, 8a, 6b, 8b previously thoroughly cleaned and foreign matter and impurities such as grease, oil, dust, water and other contaminants have been removed.
  • the hot-melt adhesive reacts after solidification to a weather-resistant, flexible and permanently elastic material.
  • the abutment surfaces 18a, 18b, 20a, 20b of the float glass panes 6a, 8a, 6b, 8b are neither by means of adhesive tape nor by means of a hot melt adhesive, but by means of plastic strips 36 made of a thermoplastic such as EVA, polyvinyl butyral PVB, a thermoplastic polyester udgl. glued together using heat Q and pressure p ( FIG. 4 ), wherein these plastic strips 36 are non-adhesive as such in their initial state before the heat treatment of the float glass panes 6a, 8a, 6b, 8b.
  • a thermoplastic such as EVA, polyvinyl butyral PVB, a thermoplastic polyester udgl.
  • the float glass panes 6a, 8a, 6b, 8b are first glued together by means of these plastic strips 36 by means of heat treatment and subsequently further processed to form the all-glass corner according to the invention.
  • two float glass panes 6a, 8a, 6b, 8b to be glued together are placed in a metal mold, which in FIG. 4 is shown schematically in a sectional view together with the float glass panes 6a, 8a, 6b, 8b.
  • the parts 34 of the metal mold which carry the float glass panes 6a, 8a, 6b, 8b and which are in FIG. 4 are shown only partially, are preferably formed as ribs. These ribs 34 are arranged in such a way to each other that they give the metal mold a v-shape.
  • the metal mold has a multiplicity of such ribs 34 along its longitudinal axis-that is to say along an axis running perpendicular to the symmetry axis S of the metal mold and extending into the figure-plane.
  • the bearing surfaces 34a of the ribs 34 are preferably coated with Teflon.
  • two plates arranged in a V-shape relative to one another for receiving the float glass panes 6a, 8a, 6b, 8b are also conceivable.
  • a correspondingly cut plastic strip 36 is inserted into a preferably U-shaped holder 38 provided at the lower end 40 of the metal mold, so that the float glass panes 6a, 8a, 6b , 8b, after they have been inserted into the metal mold, due to their own weight along the support surfaces 34a of the ribs 34 slide down and thereby with a portion of their own weight on their abutment surfaces 18a, 18b, 20a, 20b against the plastic strip 36 and over Press this against each other.
  • this metal mold for bonding the float glass panes 6a, 8a, 6b, 8b is introduced into an autoclave or pressure vessel 42.
  • the float glass panes 6a, 8a, 6b, 8b are exposed to a temperature of about 130-140 ° C. and an internal pressure of about 20-25 bar over a period of about 4 hours.
  • the plastic strip 36 connects to the float glass panes 6a, 8a, 6b, 8b to form a highly transparent or crystal-clear unit.
  • the plastic of the plastic strip 36 protruding beyond the bonding at the connection point of the float glass panes 6a, 8a, 6b, 8b is removed.
  • This embodiment of the invention is characterized by a particularly high-strength and highly rigid adhesive bond of the float glass panes 6a, 8a, 6b, 8b.
  • this plastic based on a modified PVB has the following physical properties: property unit value ASTM test tensile modulus MPa (kpsi) 300 (43.5) D5026 tensile strenght MPa (kpsi) 34.5 (5.0) D638 strain % 400 D638 density g / cm 3 (lb / in 3 ) 0.95 (0.0343) D792 Flexural modulus 23 ° C (78 ° F) MPa (kpsi) 345 (50) D790 Heat resistance at 0.46 MPa ° C (° F) 43 (110) D648 Thermal expansion coefficient (-20 ° C to 32 ° C) - 10 - 15 x 10 -5 / ° C D696 ASTM: American Society for Testing and Materials

Abstract

The corner has two insulation glass parts (2, 4) colliding with each other at an angle under formation of a corner arrangement. Each of the insulation glass parts has two windowpanes (6a, 8a, 6b, 8b), which are connected by distance maintaining parts (10a, 10e) under formation of continuous pane spaces (12a, 12b) filled with gas. The two insulation glass parts collide with each other such that they form continuous pane spaces in a collided area.

Description

Die vorliegende Erfindung betrifft eine Ganzglasecke aus Isolierglas bzw. eine Isolierglasecke für eine Glassfassade eines Gebäudes.The present invention relates to an all-glass corner made of insulating glass or an insulating glass corner for a glass facade of a building.

Gebäudefassaden werden dem Zeitgeist folgend häufig ganz aus Isolierglas gebaut. Aus ästhetischen Gründen verzichtet man dabei an Gebäudeecken oftmals auf Eckprofile. Stattdessen bildet man die Ecken eines Gebäudes als Ganzglasecken aus Isolierglas bzw. als Isolierglasecken aus, wobei Isoliergläser direkt in den Gebäudeecken gestoßen werden. Anstelle von Eckprofilen übernehmen über Eck angeordnete Punkthalter die Aufgabe, Horizontal- und Vertikallasten in die Unterkonstruktion des Gebäudes abzutragen. Architektonisch bieten solche Ganzglasecken neben einem ästhetischen Wert, der durch eine unterbrechungsfreie Optik in den Gebäudeecken bedingt ist, auch einen Gewinn an Lichteinfall.Building façades are often built completely from insulating glass, following the zeitgeist. For aesthetic reasons, you often do without corner profiles on building corners. Instead, one forms the corners of a building as Ganzglasecken of insulating glass or as Isolierglasecken, with insulating glasses are pushed directly into the building corners. Instead of corner profiles take over corner arranged point holder the task to remove horizontal and vertical loads in the substructure of the building. Architecturally, such all-glass corners offer not only an aesthetic value, which is due to an uninterrupted look in the building corners, but also a gain in light incidence.

Bekannt sind Ganzglasecken aus Isolierglas, die jeweils aus zwei Isoliergläsern symmetrisch ausgeführt sind. Dabei sind die beiden Isoliergläser jeweils mit beispielsweise einer äußeren Glasscheibe ausgeführt, die über eine innere Glasscheibe hinausragt, die zusammen mit der äußeren Glasscheibe und einem Abstandshalter, beispielsweise aus Aluminium, Stahl oder Edelstahl, der mit den beiden Glasscheiben unter Ausbildung eines mit einem Gas - entweder Luft oder Edelgas, wie Argon, Xenon oder Krypton - befüllten Scheibenzwischenraumes verklebt ist, das Isolierglas bildet. Beispielsweise in einem rechten Winkel zu einer Eckanordnung zusammengestoßen, bilden die beiden Isoliergläser an ihren Stoßenden einen Hohlraum, der sowohl an der Innenseite als auch an der Außenseite der Ganzglasecke notwendigerweise mittels einer Dichtanordnung abgedichtet ist, um die Wirkung einer an den Stoßenden der Isoliergläser entstehenden Wärmebrücke zu reduzieren. Durch die Wärmebrücke kann es an der Innenseite der Ganzglasecke bei tiefen Außentemperaturen zur Kondenswasserbildung kommen. Darüber hinaus gewährleistet der abgedichtete Hohlraum neben einer Wärmedämmung auch einen Dampfdruckausgleich von der Innenseite zur Außenseite der Ganzglasecke, um einer Kondenswasserbildung an der Innenseite der Ganzglasecke entgegenzuwirken.Are known all-glass corners of insulating glass, which are each made of two insulating glass symmetrical. The two insulating glass are each designed with, for example, an outer glass pane which projects beyond an inner glass pane, which together with the outer glass pane and a spacer, for example made of aluminum, steel or stainless steel, with the two glass panes to form a gas with a either air or inert gas, such as argon, xenon or krypton-filled disc space is bonded, which forms insulating glass. For example, collided at a right angle to a corner assembly, form the two insulating glasses at their butt ends a cavity which is necessarily sealed on both the inside and on the outside of the whole glass corner by means of a sealing arrangement to the effect of a heat bridge formed at the butt ends of the insulating glass to reduce. Due to the thermal bridge, condensation can form on the inside of the whole glass corner at low outside temperatures. In addition, the sealed cavity ensures not only a thermal insulation but also a vapor pressure equalization from the inside to the outside of the whole glass corner to counteract condensation on the inside of the whole glass corner.

Es sind auch Ganzglasecken aus Isolierglas bekannt, die jeweils aus zwei Isoliergläsern symmetrisch ausgeführt sind, deren beispielsweise innere Glasscheiben ausschließlich einen Falz bilden. Hierbei ist ein winkliges oder rundes Abdeckprofil mit den äußeren Glasscheiben der Isoliergläser verbunden, um einen wärmedämmenden Hohlraum an den Stoßenden der Isoliergläser analog zu den zuvor beschriebenen Ganzglasecken zu bilden.There are also all-glass corners made of insulating glass known, which are each made symmetrical from two insulating glass, for example, form the inner glass sheets exclusively a fold. Here, an angled or round cover profile is connected to the outer glass panes of the insulating glass to form a heat-insulating cavity at the butt ends of the insulating glass analogous to the previously described all-glass corners.

Außerdem sind Ganzglasecken aus Isolierglas bekannt, die jeweils aus zwei ineinander gestellten Isoliergläsern unsymmetrisch ausgeführt sind. Dabei kann eines der beiden Isoliergläser derart ausgeführt sein, dass beispielsweise eine äußere Glasscheibe um etwas mehr als den Betrag der Dicke des anderen Isolierglases über eine innere Glasscheibe hinausragt, während das andere Isolierglas mit zwei gleich langen Glasscheiben ausgeführt ist, so dass sich die Stoßenden der beiden Isoliergläser ineinander stellen lassen.In addition, all-glass corners made of insulating glass are known, which are each designed asymmetrically from two nested insulating glass. In this case, one of the two insulating glasses can be designed such that, for example, an outer glass pane protrudes slightly more than the amount of the thickness of the other insulating glass over an inner glass, while the other insulating glass is designed with two equal length glass panes, so that the butt ends of the let both insulating glass into each other.

Andererseits können die beiden Isoliergläser jeweils mit beispielsweise einer über eine innere Glasscheibe hinausragenden äußeren Glasscheibe ausgeführt sein, um ineinander gestellt werden zu können.On the other hand, the two insulating glasses can be designed in each case with, for example, an outer glass pane projecting beyond an inner glass pane in order to be placed inside one another.

Bei beiden unsymmetrischen Ausführungsformen wird durch die Verbindung der Stoßenden der Isoliergläser ein abgedichteter Hohlraum gebildet. Derartige ineinander gestellte Ganzglasecken stellen übliche, glastechnisch einfache Lösungen dar.In both asymmetrical embodiments, a sealed cavity is formed by the connection of the butt ends of the insulating. Such intertwined Ganzglasecken represent common, glass technically simple solutions.

Allen diesen Ganzglasecken ist gemein, dass sie bauphysikalisch als grundsätzlich problematisch anzusehen sind, da sie Wärmebrücken darstellen, deren Wirkung trotz der jeweiligen Ausbildung eines abgedichteten Hohlraumes an den Stoßenden zweier Isoliergläser nicht kompensiert werden kann. Folglich muss bei den bekannten Ganzglasecken stets mit einer Kondenswasserbildung an ihren Innenseiten gerechnet werden.Common to all these all-glass corners is that they are physically difficult to treat as fundamentally problematic, since they represent thermal bridges whose effect can not be compensated despite the respective formation of a sealed cavity at the butt ends of two insulating glasses. Consequently, in the known all-glass corners must always be expected with a condensation on their inner sides.

Darüber hinaus ist an diesen Ganzglasecken nachteilig, dass ihr Ganzglascharakter jeweils durch eine konventionelle Dichtanordnung an den Stoßenden zweier Isoliergläser in Verbindung mit den jeweils zu dieser Dichtanordnung benachbart angeordneten Abstandshalterteilen der beiden Isoliergläser teilweise wieder verloren geht.In addition, it is disadvantageous in these all-glass corners that their Ganzglascharakter each lost in part by a conventional sealing arrangement at the butt ends of two insulating glasses in conjunction with each adjacent to this sealing arrangement arranged spacer parts of the two insulating glasses.

Der Erfindung liegt daher die Aufgabe zugrunde, eine Ganzglasecke aus Isolierglas bereitzustellen, die im Bereich der Stoßenden ihrer beiden Isoliergläser Wärme besser dämmt.The invention is therefore based on the object to provide a full glass corner of insulating glass, which better insulates heat in the area of the butt ends of their two insulating glass.

Auch liegt der Erfindung die Aufgabe zugrunde, eine Ganzglasecke aus Isolierglas bereitzustellen, die eine Kondenswasserbildung an der Innenseite der Ganzglasecke unterbindet.The invention is also based on the object of providing a glass blanket made of insulating glass which prevents condensation on the inside of the whole glass corner.

Außerdem liegt der Erfindung die Aufgabe zugrunde, eine Ganzglasecke aus Isolierglas mit einem gegenüber den bekannten Ganzglasecken besseren Ganzglascharakter bereitzustellen.In addition, the invention has for its object to provide a full glass corner of insulating glass with respect to the known all-glass corners better Ganzglascharakter.

Darüber hinaus liegt der Erfindung die Aufgabe zugrunde, eine Ganzglasecke aus Isolierglas für eine Glasfassade eines Gebäudes bereitzustellen.In addition, the invention has for its object to provide a full glass corner of insulating glass for a glass facade of a building.

Die Lösung der Erfindung erfolgt erfindungsgemäß mit den in den Patenansprüchen 1 und 10 angegebenen Merkmalen. Bevorzugte Ausführungsformen der Erfindung sind Gegenstand der Unteransprüche.The solution of the invention is carried out according to the invention with the features specified in the patent claims 1 and 10. Preferred embodiments of the invention are subject of the dependent claims.

Die erfindungsgemäße Ganzglasecke aus Isolierglas umfasst zwei in einem Winkel zusammengestoßene und eine Eckanordnung bildende Isolierglasteile, die jeweils mindestens zwei Glasscheiben aufweisen, die mittels Abstandshalterteilen unter Ausbildung eines mit einem Gas befüllten Scheibenzwischenraumes verbunden sind.The all-glass corner of insulating glass according to the invention comprises two Isolierglasteile collided at an angle and forming a corner assembly, each having at least two glass sheets, which are connected by means of spacer members to form a space filled with a gas disc space.

Erfindungsgemäß sind die beiden Isolierglasteile derart zusammengestoßen, dass sie im Bereich ihrer Stoßenden einen durchgehenden mit Gas befüllten Scheibenzwischenraum bilden.According to the invention, the two insulating glass parts collide in such a way that they are in the region of their butt ends form a continuous gas-filled disc space.

Grundsätzlich kommt als Gas zur Befüllung des Scheibenzwischenraumes, wie bereits eingangs in der Beschreibung des Standes der Technik erwähnt wurde, entweder Luft oder Edelgas, wie Argon, Xenon oder Krypton, in Frage.Basically, as gas for filling the space between the panes, as already mentioned in the description of the prior art, either air or noble gas, such as argon, xenon or krypton, in question.

Im Vergleich zu den bekannten Ganzglasecken aus Isolierglas entsteht bei der erfindungsgemäßen Ganzglasecke im Bereich der Stoßenden ihrer beiden Isolierglasteile durch den in diesem Bereich erfindungsgemäß durchgehenden mit Gas befüllten Scheibenzwischenraum keine Wärmebrücke, durch die es an der Innenseite der Ganzglasecke bei entsprechend tiefen Außentemperaturen zu einer Kondenswasserbildung kommen kann.In comparison with the known all-glass corners made of insulating glass, in the all-glass corner according to the invention in the region of the butt ends of its two insulating glass parts, no thermal bridge is formed by the space between the panes filled with gas in this area, causing condensation on the inside of the whole glass corner at correspondingly low outside temperatures can.

Darüber hinaus verbessert der Wegfall der konventionellen Dichtanordnung an den Stoßenden zweier Isoliergläserin Verbindung mit dem Wegfall der jeweils zu dieser Dichtanordnung benachbart angeordneten Abstandshalterteile der beiden Isoliergläser das Erscheinungsbild bzw. die ästhetische Wirkung der erfindungsgemäßen Ganzglasecke in Bezug auf ihren Ganzglascharakter.In addition, the omission of the conventional sealing arrangement at the butt ends of two insulating glasses in connection with the elimination of each adjacent to this sealing arrangement arranged spacer members of the two insulating improves the appearance or the aesthetic effect of the whole glass corner of the invention with respect to their Ganzglascharakter.

Die erfindungsgemäße Glasfassade für ein Gebäude umfasst eine Vielzahl der erfindungsgemäßen Ganzglasecken aus Isolierglas.The glass façade according to the invention for a building comprises a multiplicity of the all-glass corners made of insulating glass according to the invention.

Bei der erfindungsgemäßen Ganzglasecke sind die Glasscheiben an ihren Stoßenden auf Gehrung ausgeführt. Dabei sind die Glasscheiben vorzugsweise derart gegehrt, dass das Verhältnis von Gehrungstiefe zu Glasscheibendicke kleiner oder gleich einem Wert von 2 ist.In the all-glass corner according to the invention, the glass panes are mitred at their butt ends. The glass sheets are preferably reinforced in such a way that the ratio of miter depth to glass sheet thickness is less than or equal to a value of 2.

Bei einer besonders bevorzugten Ausführungsform der erfindungsgemäßen Ganzglasecke sind die Stoßflächen der Glasscheiben jeweils mit einem Absatz versehen sind, so dass die Stoßenden der zusammengestoßenen Glasscheiben jeweils einen Falz bilden, der zum Scheibenzwischenraum hin aufgeweitet ist.In a particularly preferred embodiment of the all-glass corner according to the invention, the abutting surfaces of the glass panes are each provided with a shoulder, so that the butt ends of the collided glass panes each form a fold, which is widened towards the space between the panes.

An den Stoßenden der beiden Isolierglasteile sind die zwischen den Glasscheiben angeordneten Abstandshalterteile vorzugsweise mittels einer Feder-Nut-Verbindung formschlüssig miteinander verbunden. Grundsätzlich können die Abstandshalterteile an den Stoßenden der beiden Isolierglasteile auch miteinander verklebt oder verschweißt sein.At the abutting ends of the two insulating glass parts, the spacer parts arranged between the glass panes are preferably connected to one another in a form-fitting manner by means of a spring-groove connection. In principle, the spacer parts can also be glued or welded together at the butt ends of the two insulating glass parts.

Bei der erfindungsgemäßen Ganzglasecke sind die Stoßflächen jeweils zweier zusammengestoßener Glasscheiben mittels eines beidseitig klebenden Klebestreifens oder eines Heißschmelz-Klebstoffs oder eines Kunst-stoffstreifens unter Aufbringung von Wärme (Q) und Druck (P) miteinander verbunden.In the all-glass corner according to the invention, the abutting surfaces of two collapsed glass sheets are connected to each other by means of a double-sided adhesive strip or a hot melt adhesive or a plastic strip with application of heat (Q) and pressure (P).

Aus optischen Gründen ist der Klebestreifen vorteilhafterweise transparent ausgebildet. Transparent bedeutet, dass sich das Material des Klebestreifens hinsichtlich der Lichtdurchlässigkeit ähnlich wie Glas verhält, so dass sichtbares Licht den Klebestreifen durchdringt, ohne im Wesentlichen durch ihn absorbiert zu werden. Die Dicke des Klebestreifens beträgt vorzugsweise 2 bis 3mm.For optical reasons, the adhesive strip is advantageously transparent. Transparent means that the material of the adhesive tape is similar to glass in terms of light transmission, so that visible light penetrates the adhesive tape without being substantially absorbed by it. The thickness of the adhesive strip is preferably 2 to 3 mm.

Grundsätzlich können diese Stoßflächen auch mittels eines vorzugsweise neutralvernetzenden, einkomponentigen Heißschmelz-Klebstoffs, vorzugsweise auf Silikonbasis, miteinander verklebt werden. Dabei wird in die durch die Stoßenden der beiden Isolierglasteile gebildeten Falze ein derartiger Klebstoff eingespritzt.In principle, these abutting surfaces can also be glued together by means of a preferably neutral-crosslinking, one-component hot-melt adhesive, preferably based on silicone. In this case, such an adhesive is injected into the folds formed by the butt ends of the two Isolierglasteile.

Bei einer weiteren bevorzugten Ausführungsform der erfindungsgemäßen Ganzglasecke beträgt die Dicke der Glasscheiben vorzugsweise 3 bis 19mm, insbesondere 4 bis 12mm. Vorteilhafterweise sind die Glasscheiben der beiden Isolierglasteile als vorgespanntes Floatglas bzw. als Einscheibensicherheitsglas (ESG) ausgebildet. Grundsätzlich sind jedoch als Glasscheiben für die beiden Isolierglasteile auch andere Glasarten, wie Verbundsicherheitsglas (VSG), Verbundglas und dergleichen, denkbar.In a further preferred embodiment of the all-glass corner according to the invention, the thickness of the glass panes is preferably 3 to 19 mm, in particular 4 to 12 mm. Advantageously, the glass panes of the two insulating glass parts are designed as tempered float glass or single-pane safety glass (ESG). In principle, however, other types of glass, such as laminated safety glass (VSG), laminated glass and the like, are conceivable as glass panes for the two insulating glass parts.

Die auf der Innenseite und auf der Außenseite der erfindungsgemäßen Ganzglasecke durch die Stoßenden der Glasscheiben gebildeten Falze sind vorzugsweise mittels Silikon versiegelt. Alternativ dazu sind zur Versiegelung der Falze auch Abdeckprofile denkbar.The folds formed on the inside and on the outside of the all-glass corner according to the invention by the butt ends of the glass panes are preferably sealed by means of silicone. Alternatively, cover profiles are conceivable for sealing the folds.

Nachfolgend wird ein Ausführungsbeispiel der erfindungsgemäßen Ganzglasecke unter Bezugnahme auf Zeichnungen näher erläutert. Es zeigen

Figur 1
eine perspektivische Ansicht der erfindungsgemäßen Ganzglasecke in schematischer Darstellung,
Figur 2
eine Schnittansicht der erfindungsgemäßen Ganzglasecke aus Figur 1 entlang der Linie X - X,
Figur 3
einen Ausschnitt einer alternativen Ausführungsform der erfindungsgemäßen Ganzglasecke aus Figur 2 und
Figur 4
einen Ausschnitt einer metallischen Form mit darin lose eingelegten Glasscheiben in einer schematischen Schnittdarstellung, wobei die metallische Form innerhalb eines strichpunktiert dargestellten Druckkessels angeordnet ist.
An embodiment of the all-glass corner according to the invention will be explained in more detail with reference to drawings. Show it
FIG. 1
a perspective view of the whole glass corner according to the invention in a schematic representation,
FIG. 2
a sectional view of the whole glass corner according to the invention FIG. 1 along the line X - X,
FIG. 3
a section of an alternative embodiment of the whole glass corner of the invention FIG. 2 and
FIG. 4
a section of a metallic mold with loosely inserted glass panes in a schematic sectional view, wherein the metallic form is disposed within a pressure vessel shown in phantom.

Zwei zu einer rechtwinkligen Eckanordnung zusammengestoßene Isolierglasteile 2, 4, die jeweils zwei vorgespannte Floatglasscheiben 6a, 8a, 6b, 8b aufweisen, die mittels Abstandshalterteilen 10a, 10b, 10c, 10d, 10e, 10f aus Metall, insbesondere Edelstahl unter Ausbildung eines mit Argon befüllten Scheibenzwischenraumes 12a, 12b verklebt sind, bilden erfindungsgemäß im Bereich ihrer Stoßenden einen durchgehenden mit Argon befüllten Scheibenzwischen- raum 12a, 12b. Dabei sind die Floatglasscheiben 6a, 8a, 6b, 8b an ihren Stoßenden auf Gehrung ausgeführt (Figur 2). Jeweils zwei zusammengestoßene Floatglasscheiben 6a, 8a, 6b, 8b sind teilweise an ihren Stoßflächen 18a, 18b, 20a, 20b mittels eines transparenten, beidseitig klebenden Klebestreifens 22,24 miteinanderverklebt. Die Abstandshalterteile 10a, 10b, 10c, 10d, 10e, 10f sind formschlüssig und bezogen auf die Eckanordnung umlaufend miteinander verbunden. An den Stoßenden der beiden Isolierglasteile 2, 4 sind die Abstandshalterteile 10c, 10d und 10a, 10f jeweils formschlüssig mittels eines Eckteils zusammengesteckt. Dabei sind die Abstandshalterteile 10a, 10c 10d, 10f an ihren eckseitigen Enden vorteilhafterweise mit jeweils einer Nut versehen, in die das Eckteil eingesteckt werden kann. Die bei der Verbindung der Floatglasscheiben 6a, 8a, 6b, 8b mit den Abstandshalterteilen 10a, 10b, 10c, 10d, 10e, 10f gebildete umlaufende Randfuge 14 ist mittels des üblichen Dichtstoffes 16 versiegelt, so dass der Scheibenzwischenraum 12a, 12b gasdicht abgedichtet ist. Die sowohl auf der Innenseite als auch auf der Außenseite der Ganzglasecke durch die Stoßenden der Floatglasscheiben 6a, 8a, 6b, 8b gebildeten Falze 26, 28 sind jeweils gegenüber der Umgebung vorzugsweise mittels einer Silikonschicht 30, 32 versiegelt, um der Isolierglasanordnung die gewünschte Gassperre, insbesondere Wasserdampfsperre außen an den Falzen 26, 28 zu verleihen.Two insulating glass parts 2, 4 collided into a right-angled corner arrangement, each having two prestressed float glass panes 6a, 8a, 6b, 8b made of metal, in particular stainless steel, by means of spacer parts 10a, 10b, 10c, 10d, 10e, 10f filled with argon Between the panes 12a, 12b, according to the invention, form a continuous, argon-filled inter-pane room 12a, 12b. The float glass panes 6a, 8a, 6b, 8b are mitred at their butt ends ( FIG. 2 ). Each two collapsed float glass panes 6a, 8a, 6b, 8b are partially glued together at their abutment surfaces 18a, 18b, 20a, 20b by means of a transparent, adhesive adhesive tape 22,24 on both sides. The spacer members 10a, 10b, 10c, 10d, 10e, 10f are positively connected and peripherally connected with respect to the corner assembly. At the abutting ends of the two insulating glass parts 2, 4, the spacer parts 10c, 10d and 10a, 10f are each plugged together in a form-fitting manner by means of a corner part. The spacer members 10a, 10c, 10d, 10f are advantageously provided at their corner-side ends, each with a groove into which the corner part can be inserted. The circumferential edge joint 14 formed in the connection of the float glass panes 6a, 8a, 6b, 8b to the spacer elements 10a, 10b, 10c, 10d, 10e, 10f is sealed by means of the usual sealant 16, so that the space between the panes 12a, 12b is sealed gas-tight. The folds 26, 28 formed both on the inside and on the outside of the all-glass corner by the butt ends of the float glass panes 6a, 8a, 6b, 8b are each preferably sealed from the environment by means of a silicone layer 30, 32, around the insulating glass arrangement, the desired gas barrier, in particular to impart water vapor barrier on the outside to the folds 26, 28.

Die Klebestreifen 22, 24 bestehen aus Reinacrylat und weisen nahezu den gleichen Brechungsindex wie Glas auf. Dieses Material weist eine Reißdehnung nach DIN ISO 527-3 von mehr als 800 % sowie eine Scherfestigkeit auf Stahl in Anlehnung an DIN EN 1939 von 30 N/25 mm auf und lässt sich in einem weiteren Temperaturbereich einsetzen. Es lässt sich also wegen seiner hohen Transparenz und seiner guten Haftfähigkeit auf Glas für die Verklebung von Glasecken hervorragend einsetzen.The adhesive strips 22, 24 are made of pure acrylate and have almost the same refractive index as glass. This material has an elongation at break according to DIN ISO 527-3 of more than 800% and a shear strength on steel in accordance with DIN EN 1939 of 30 N / 25 mm and can be used in a wider temperature range. Because of its high transparency and good adhesiveness to glass, it can be used excellently for gluing glass corners.

Für die Silikonschicht 30, 32 kommt der nachstehend erwähnte Heißschmelz-Klebstoff auf Silikonbasis infrage, so dass hierauf Bezug genommen wird.For the silicone layer 30, 32, the below-mentioned silicone-based hot melt adhesive is contemplated, so that reference is hereby made.

In der Darstellung von Figur 1 und 2 sind die Isolierglasteile in einem rechten Winkel zueinander angeordnet. Diese Anordnung stellt nur eine Möglichkeit der Winkelauswahl dar. Der Winkel kann jedoch entsprechend dem Einsatzzweck zwischen 10 und 170° gewählt werden, ohne dass der Erfindungsgedanke verlassen wird.In the presentation of FIGS. 1 and 2 the insulating glass parts are arranged at a right angle to each other. This arrangement represents only one possibility of angular selection. However, the angle can be selected according to the intended use between 10 and 170 °, without departing from the inventive concept.

In einer alternativen Ausführungsform der erfindungsgemäßen Ganzglasecke, die in Figur 3 abgebildet ist, sind die gegehrten Stoßflächen der Floatglasscheiben 6a, 8a, 6b, 8b jeweils etwas abgesetzt, so dass die Stoßenden derzusammengestoßenen Glasscheiben 6a, 8a, 6b, 8b jeweils einen Falz 26, 28 bilden, der zum Scheibenzwischenraum 12a, 12b hin aufgeweitet ist. Diese Absätze dienen der Positionierung der Klebestreifen 22, 24 an den Stoßflächen der Floatglasscheiben 6a, 8a, 6b, 8b.In an alternative embodiment of the all-glass corner according to the invention, which in FIG. 3 1, the mitred faces of the float glass sheets 6a, 8a, 6b, 8b are each slightly set so that the butt ends of the collapsed glass sheets 6a, 8a, 6b, 8b respectively form a fold 26, 28 which is widened toward the disk space 12a, 12b , These paragraphs serve to position the adhesive strips 22, 24 on the abutting surfaces of the float glass panes 6a, 8a, 6b, 8b.

In einer weiteren alternativen Ausführungsform der Erfindung sind die Stoßflächen 18a, 18b, 20a, 20b der Floatglasscheiben 6a, 8a, 6b, 8b nicht mittels mehrerer Klebestreifen 23, 24, sondern mittels eines vorzugsweise neutralvernetzenden, einkomponentigen Heißschmelz-Klebstoffs, vorzugsweise auf Silikonbasis, miteinander verklebt, wobei die zuvor beschriebene Verklebung und Versiegelung der durch die Stoßenden der Floatglasscheiben 6a, 8a, 6b, 8b gebildeten Falze 26, 28 mittels der Klebstreifen 22, 24 und des Silikons 30, 32 hierdurch ersetzt wird, da der Heißschmelz-Klebstoff die Floatglasscheiben 6a, 8a, 6b, 8b nicht nur durchgehend miteinander verklebt, sondern zugleich auch die Falze 26, 28 versiegelt.In a further alternative embodiment of the invention, the abutment surfaces 18a, 18b, 20a, 20b of the float glass panes 6a, 8a, 6b, 8b are not interconnected by means of a plurality of adhesive strips 23, 24 but by means of a preferably neutral-crosslinking, one-component hot-melt adhesive, preferably based on silicone glued, whereby the above-described bonding and sealing of the folds 26, 28 formed by the butt ends of the float glass panes 6a, 8a, 6b, 8b is replaced therewith by the adhesive strips 22, 24 and the silicone 30, 32, since the hot melt adhesive is the float glass panes 6a, 8a, 6b, 8b are not only glued together continuously, but at the same time the folds 26, 28 sealed.

Dieser Heißschmelz-Klebstoff, insbesondere auf Silikonbasis, hat folgende Eigenschaften aufzuweisen: eine Viskosität bei +120°C von vorzugsweise 210.000cs, eine Verarbeitungszeit von vorzugsweise 15min., eine Anfangsfestigkeit nach 15min von vorzugsweise 18psi, eine Anfangsfestigkeit nach 60min von vorzugsweise 28psi, eine Shore-A-Härte von 40 bis 80, vorzugsweise 60, gemäß ASTM C 661 (ASTM: American Society for Testing and Materials), eine Mindest-Zugfestigkeit von 0,3 bis 0,4Mpa, vorzugsweise 0,35Mpa, gemäß ISO 8340, eine Bruchdehnung von 500 bis 850% gemäß ISO 8340, eine Bewegungsaufnahme von ± 10 bis ± 25 % gemäß ASTM C 719, eine ausgezeichnete Witterungsbeständigkeit gemäß ASTM C 793, ein spezifisches Gewicht von 0,9 bis 1,1g/ml, vorzugsweise 1,061g/ml und eine Temperaturbeständigkeit von vorzugsweise -50°C bis +93°C, insbesondere von -32°C bis +93°C.This hot-melt adhesive, in particular silicone-based, has the following properties: a viscosity at + 120 ° C of preferably 210,000cs, a processing time of preferably 15min, an initial strength after 15min of preferably 18psi, an initial strength after 60min of preferably 28psi, a Shore A hardness from 40 to 80, preferably 60, according to ASTM C 661 (ASTM: American Society for Testing and Materials), a minimum tensile strength of 0.3 to 0.4 MPa, preferably 0.35 MPa, according to ISO 8340, an elongation at break of 500 to 850% according to ISO 8340, a movement uptake of ± 10 to ± 25% according to ASTM C 719, an excellent weather resistance according to ASTM C 793, a specific gravity of 0.9 to 1.1 g / ml, preferably 1.051 g / ml and a temperature resistance of preferably -50 ° C to + 93 ° C, especially from -32 ° C to + 93 ° C.

Zudem sind diese Klebstoffsysteme, insbesondere der Heißschmelz-Klebstoff, transparent, vorzugsweise kristallklar, so dass sich das Material des Klebstoffs hinsichtlich der Lichtdurchlässigkeit ähnlich wie Glas verhält, wobei sichtbares Licht den Klebstoff durchdringt, ohne im wesentlichen durch ihn absorbiert zu werden.In addition, these adhesive systems, particularly the hot melt adhesive, are transparent, preferably crystal clear, so that the material of the adhesive is similar to glass in terms of light transmission, with visible light penetrating the adhesive without substantially being absorbed by it.

Der Heißschmelz-Klebstoff wird bei einer Verarbeitungstemperatur von 120°C, die der Schmelztemperatur des Klebstoffs entspricht, im flüssigen Zustand auf die Stoßflächen 18a, 18b, 20a, 20b der Floatglasscheiben 6a, 8a, 6b, 8b appliziert bzw. im zusammengestoßenen Zustand der Floatglasscheiben 6a, 8a, 6b, 8b in die Falze 26, 28 definiert eingebracht, in denen dieser auch verbleibt, nachdem die Stoßflächen der Floatglasscheiben 6a, 8a, 6b, 8b zuvor gründlich gereinigt und Fremdstoffe und Verunreinigungen, wie Fett, Öl, Staub, Wassersowie sonstige Verschmutzungen entfernt worden sind. Der Heißschmelz-Klebstoff reagiert nach dem Verfestigen zu einem wetterbeständigen, flexiblen und dauerhaft elastischen Material.The hot-melt adhesive is applied in the liquid state to the abutment surfaces 18a, 18b, 20a, 20b of the float glass panes 6a, 8a, 6b, 8b at a processing temperature of 120 ° C., which corresponds to the melting temperature of the adhesive, or in the collapsed state of the float glass panes 6a, 8a, 6b, 8b defined in the folds 26, 28, in which this also remains after the abutting surfaces of the float glass panes 6a, 8a, 6b, 8b previously thoroughly cleaned and foreign matter and impurities such as grease, oil, dust, water and other contaminants have been removed. The hot-melt adhesive reacts after solidification to a weather-resistant, flexible and permanently elastic material.

In einer weiteren alternativen Ausführungsform der Erfindung sind die Stoßflächen 18a, 18b, 20a, 20b der Floatglasscheiben 6a, 8a, 6b, 8b weder mittels Klebestreifen noch mittels eines Heißschmelz-Klebstoffs, sondern mittels Kunststoffstreifen 36 aus einem Thermoplasten, wie EVA, Polyvinylbutyral PVB, einem thermoplastischen Polyester udgl. unter Anwendung von Wärme Q und Druck p miteinander verklebt (Figur 4), wobei diese Kunststoffstreifen 36 als solche in ihrem Ausgangszustand vor der Wärmebehandlung der Floatglasscheiben 6a, 8a, 6b, 8b nichtklebend sind. Im Unterschied zum Vorhergehenden werden bei dieser Ausführungsform der Erfindung die Floatglasscheiben 6a, 8a, 6b, 8b zunächst mittels dieser Kunststoffstreifen 36 mittels Wärmebehandlung zusammengeklebt und anschließend zur erfindungsgemäßen Ganzglasecke weiterverarbeitet.In a further alternative embodiment of the invention, the abutment surfaces 18a, 18b, 20a, 20b of the float glass panes 6a, 8a, 6b, 8b are neither by means of adhesive tape nor by means of a hot melt adhesive, but by means of plastic strips 36 made of a thermoplastic such as EVA, polyvinyl butyral PVB, a thermoplastic polyester udgl. glued together using heat Q and pressure p ( FIG. 4 ), wherein these plastic strips 36 are non-adhesive as such in their initial state before the heat treatment of the float glass panes 6a, 8a, 6b, 8b. In contrast to the preceding, in this embodiment of the invention, the float glass panes 6a, 8a, 6b, 8b are first glued together by means of these plastic strips 36 by means of heat treatment and subsequently further processed to form the all-glass corner according to the invention.

Unter Bezugnahme auf die schematische Darstellung in Figur 4 geschieht dies wie folgt. Es werden je zwei miteinander zu verklebende Floatglasscheiben 6a, 8a, 6b, 8b in eine Metallform eingelegt, die in Figur 4 zusammen mit den Floatglasscheiben 6a, 8a, 6b, 8b schematisch in einer Schnittdarstellung abgebildet ist. Die die Floatglasscheiben 6a, 8a, 6b, 8b tragenden bzw. aufnehmenden Teile 34 der Metallform, die in Figur 4 nur ausschnittsweise abgebildet sind, sind vorzugsweise als Rippen ausgebildet. Diese Rippen 34 sind dabei derart zueinander angeordnet, dass sie der Metallform eine v-Form geben. Die Metallform weist entlang ihrer Längsachse - d. h. entlang einer zur Symmetrieachse S der Metallform senkrecht verlaufenden und sich in die Figurebene hineinerstreckenden Achse - eine Vielzahl derartiger Rippen 34 auf. Die Auflageflächen 34a der Rippen 34 sind vorzugsweise mit Teflon beschichtet. Grundsätzlich sind anstelle der Rippen 34 auch zwei v-förmig zueinander angeordnete Platten zur Aufnahme der Floatglasscheiben 6a, 8a, 6b, 8b denkbar. Vor dem Einlegen der Floatglasscheiben 6a, 8a, 6b, 8b in die Metallform wird ein entsprechend zugeschnittener Kunststoffstreifen 36 in eine für diesen vorgesehene, vorzugsweise u-förmige Halterung 38 am unteren Ende 40 der Metallform eingelegt, so dass die Floatglasscheiben 6a, 8a, 6b, 8b, nach dem sie in die Metallform eingelegt worden sind, aufgrund ihres Eigengewichts entlang der Auflageflächen 34a der Rippen 34 nach unten gleiten und dabei mit einem Teil ihres Eigengewichts über ihre Stoßflächen 18a, 18b, 20a, 20b gegen den Kunststoffstreifen 36 bzw. über diesen gegen einander drücken. Anschließend wird diese Metallform zur Verklebung der Floatglasscheiben 6a, 8a, 6b, 8b in einen Autoklav bzw. Druckkessel 42 eingeführt. In diesem Autoklav 42 werden die Floatglasscheiben 6a, 8a, 6b, 8b über einen Zeitraum von ca. 4h einer Temperatur von ca. 130 - 140°C und einem Innendruck von ca. 20 - 25bar ausgesetzt. Dabei verbindet sich der Kunststoffstreifen 36 mit den Floatglasscheiben 6a, 8a, 6b, 8b zu einer hochtransparenten bzw. glasklaren Einheit. Schließlich wird noch der nach der Verklebung an der Verbindungsstelle der Floatglasscheiben 6a, 8a, 6b, 8b überstehende Kunststoff des Kunststoffstreifens 36 entfernt. Diese Ausführungsform der Erfindung zeichnet sich durch eine besonders hochfeste und hochsteife Klebeverbindung der Floatglasscheiben 6a, 8a, 6b, 8b aus.With reference to the schematic representation in FIG FIG. 4 this happens as follows. In each case, two float glass panes 6a, 8a, 6b, 8b to be glued together are placed in a metal mold, which in FIG. 4 is shown schematically in a sectional view together with the float glass panes 6a, 8a, 6b, 8b. The parts 34 of the metal mold which carry the float glass panes 6a, 8a, 6b, 8b and which are in FIG. 4 are shown only partially, are preferably formed as ribs. These ribs 34 are arranged in such a way to each other that they give the metal mold a v-shape. The metal mold has a multiplicity of such ribs 34 along its longitudinal axis-that is to say along an axis running perpendicular to the symmetry axis S of the metal mold and extending into the figure-plane. The bearing surfaces 34a of the ribs 34 are preferably coated with Teflon. Basically, instead of the ribs 34, two plates arranged in a V-shape relative to one another for receiving the float glass panes 6a, 8a, 6b, 8b are also conceivable. Before inserting the float glass panes 6a, 8a, 6b, 8b into the metal mold, a correspondingly cut plastic strip 36 is inserted into a preferably U-shaped holder 38 provided at the lower end 40 of the metal mold, so that the float glass panes 6a, 8a, 6b , 8b, after they have been inserted into the metal mold, due to their own weight along the support surfaces 34a of the ribs 34 slide down and thereby with a portion of their own weight on their abutment surfaces 18a, 18b, 20a, 20b against the plastic strip 36 and over Press this against each other. Subsequently, this metal mold for bonding the float glass panes 6a, 8a, 6b, 8b is introduced into an autoclave or pressure vessel 42. In this autoclave 42, the float glass panes 6a, 8a, 6b, 8b are exposed to a temperature of about 130-140 ° C. and an internal pressure of about 20-25 bar over a period of about 4 hours. In this case, the plastic strip 36 connects to the float glass panes 6a, 8a, 6b, 8b to form a highly transparent or crystal-clear unit. Finally, the plastic of the plastic strip 36 protruding beyond the bonding at the connection point of the float glass panes 6a, 8a, 6b, 8b is removed. This embodiment of the invention is characterized by a particularly high-strength and highly rigid adhesive bond of the float glass panes 6a, 8a, 6b, 8b.

Im Einzelnen weist dieser erfindungsgemäße Kunststoff auf der Basis eines modifizierten PVB folgende physikalische Eigenschaften auf: Eigenschaft Einheit Wert ASTM Test Zugmodul MPa (kpsi) 300 (43,5) D5026 Zugfestigkeit MPa (kpsi) 34,5 (5,0) D638 Dehnung % 400 D638 Dichte g/cm3 (lb/in3) 0,95 (0,0343) D792 Biegemodul 23°C (78°F) MPa (kpsi) 345 (50) D790 Wärmestandfestigkeit bei 0,46 MPa °C (°F) 43 (110) D648 Wärmeausdehnungs-koeffizient (-20°C bis 32°C) - 10 - 15 x 10-5/°C D696 ASTM: American Society for Testing and Materials In detail, this plastic based on a modified PVB according to the invention has the following physical properties: property unit value ASTM test tensile modulus MPa (kpsi) 300 (43.5) D5026 tensile strenght MPa (kpsi) 34.5 (5.0) D638 strain % 400 D638 density g / cm 3 (lb / in 3 ) 0.95 (0.0343) D792 Flexural modulus 23 ° C (78 ° F) MPa (kpsi) 345 (50) D790 Heat resistance at 0.46 MPa ° C (° F) 43 (110) D648 Thermal expansion coefficient (-20 ° C to 32 ° C) - 10 - 15 x 10 -5 / ° C D696 ASTM: American Society for Testing and Materials

Claims (10)

  1. All-glass corner made of insulating glass with
    two insulating glass parts (2, 4) abutting at an angle thereby forming a corner arrangement, said insulating glass parts each comprising at least two glass panes (6a, 8a, 6b, 8b), which are joined by means of spacer parts (10a, 10b, 10c, 10d, 10e, 10f) thereby forming an intermediate space (12a, 12b) filled with a gas, wherein the two insulating glass parts (2, 4) are butted together in such a way that they form in the region of their abutting ends a continuous intermediate space (12a, 12b) filled with gas,
    characterised in that
    the glass panes (6a, 8a, 6b, 8b) are constituted mitred at their abutting ends and the abutting faces (18a, 18b, 20a, 20b) of each two abutting glass panes (6a, 8a, 6b, 8b) are joined together by means of an adhesive strip (22, 24) adhesive on both sides or a hot-melt adhesive or by means of a plastic strip (36) with the application of heat (Q) and pressure (p).
  2. The all-glass corner made of insulating glass according to claim 1,
    characterised in that the glass panes (6a, 8a, 6b, 8b) are each mitred in such a way that the ratio of the mitre depth to the glass pane thickness is less than or equal to a value of 2.
  3. The all-glass corner made of insulating glass according to claim 1 or 2,
    characterised in that the abutting faces (18a, 18b, 20a, 20b) of the glass panes (6a, 8a, 6b, 8b) each form a rebate (26, 28), which is widened towards the intermediate space (12a, 12b).
  4. The all-glass corner made of insulating glass according to any one of claims 1 to 3,
    characterised in that the spacer parts (10a, 10c, 10d, 10f) are joined together by means of a tongue-and-groove joint at the abutting ends of the two insulating glass parts (2, 4).
  5. The all-glass corner made of insulating glass according to claim 1,
    characterised in that the respective adhesive joints are constituted transparent.
  6. The all-glass corner made of insulating glass according to any one of claims 1 to 5,
    characterised in that the thickness of the adhesive strip (22, 24) amounts to 2 to 3 mm.
  7. The all-glass corner made of insulating glass according to any one of claims 1 to 6,
    characterised in that the glass pane thickness amounts to 3 to 19 mm, in particular 4 to 12 mm.
  8. The all-glass corner made of insulating glass according to any one of claims 1 to 7,
    characterised in that the glass panes (6a, 8a, 6b, 8b) are constituted as toughened float glass.
  9. The all-glass corner made of insulating glass according to any one of claims 1 to 8,
    characterised in that the rebates (26, 28) formed by the abutting ends of the glass panes (6a, 8a, 6b, 8b) are sealed by means of silicone (30, 32) on the inner side and on the outer side of the all-glass corner.
  10. A glass facade for a building with a plurality of all-glass corners made of insulated glass according to any one of claims 1 to 9.
EP07000659.8A 2006-01-19 2007-01-13 All glass corner made of insulation glass Active EP1811114B2 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102006002676A DE102006002676A1 (en) 2006-01-19 2006-01-19 All-glass corner made of insulating glass

Publications (4)

Publication Number Publication Date
EP1811114A2 EP1811114A2 (en) 2007-07-25
EP1811114A3 EP1811114A3 (en) 2009-01-14
EP1811114B1 EP1811114B1 (en) 2010-03-10
EP1811114B2 true EP1811114B2 (en) 2016-06-01

Family

ID=37907317

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EP07000659.8A Active EP1811114B2 (en) 2006-01-19 2007-01-13 All glass corner made of insulation glass

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EP (1) EP1811114B2 (en)
AT (1) ATE460556T1 (en)
DE (2) DE102006002676A1 (en)
DK (1) DK1811114T4 (en)
ES (1) ES2339880T5 (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102009045443A1 (en) 2009-10-07 2011-04-14 Evonik Röhm Gmbh Flat, angled molded plastic and its use as a component in buildings and on facades, preferably as corner windows
SE538162C2 (en) * 2014-07-03 2016-03-22 Nordiska Balco Ab Glazed balcony systems comprising a corner element and a first and second side wall elements
WO2018028885A1 (en) 2016-08-11 2018-02-15 Saint-Gobain Glass France Corner assembly for insulated glass elements having films adhesively bonded in an edge-flush manner
US10611095B2 (en) 2017-05-02 2020-04-07 Wood & Wood, Inc. Vitrine and method for making a vitrine
DE102018127210A1 (en) * 2018-10-31 2020-04-30 sedak GmbH & Co. KG Facade element and method for producing a facade element

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EP0061183A1 (en) † 1981-03-21 1982-09-29 Karl Lenhardt Process for obtaining a strong bond of insulating glass panes
US5105591A (en) † 1980-04-03 1992-04-21 Glass Equipment Development, Inc. Spacer frame for an insulating glass panel and method of making the same
JPH06256029A (en) † 1993-03-01 1994-09-13 Sun Tec Corp Kk Production of plate glass formed body
JPH07180443A (en) † 1993-12-22 1995-07-18 Asahi Glass Co Ltd Double bent glazing and bay window structure therewith
US5508360A (en) † 1995-03-31 1996-04-16 Dow Corning Corporation Moisture-curable hot melt silicone pressure-sensitive adhesives
GB2318148A (en) † 1996-10-10 1998-04-15 Komfort Systems Ltd Double glazed partitioning system with support in the inter-pane gap
CN2484395Y (en) † 2001-05-28 2002-04-03 刘大成 Multifunction ecologic window
JP2002114542A (en) † 2000-10-04 2002-04-16 Central Glass Co Ltd Method for manufacturing double-glazing unit
WO2002060993A1 (en) † 2001-01-19 2002-08-08 Exxonmobil Chemical Patents Inc. Hot melt adhesives
GB2401141A (en) † 2003-05-02 2004-11-03 Komfort Office Environments Glazed wall assembly
US20070175120A1 (en) † 2004-02-03 2007-08-02 Karl Lenhardt Insulating glass panel and method for producing the same

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US5589248A (en) * 1992-09-18 1996-12-31 Suntec Corporation Shaped glass sheet and a process for the preparation thereof
DE10300389A1 (en) * 2003-01-09 2004-07-29 Saint-Gobain Glass Deutschland Gmbh Corner joint structure for two insulation glass panels incorporates a hollow space accommodating an insulating element

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Publication number Priority date Publication date Assignee Title
US5105591A (en) † 1980-04-03 1992-04-21 Glass Equipment Development, Inc. Spacer frame for an insulating glass panel and method of making the same
EP0061183A1 (en) † 1981-03-21 1982-09-29 Karl Lenhardt Process for obtaining a strong bond of insulating glass panes
JPH06256029A (en) † 1993-03-01 1994-09-13 Sun Tec Corp Kk Production of plate glass formed body
JPH07180443A (en) † 1993-12-22 1995-07-18 Asahi Glass Co Ltd Double bent glazing and bay window structure therewith
US5508360A (en) † 1995-03-31 1996-04-16 Dow Corning Corporation Moisture-curable hot melt silicone pressure-sensitive adhesives
GB2318148A (en) † 1996-10-10 1998-04-15 Komfort Systems Ltd Double glazed partitioning system with support in the inter-pane gap
JP2002114542A (en) † 2000-10-04 2002-04-16 Central Glass Co Ltd Method for manufacturing double-glazing unit
WO2002060993A1 (en) † 2001-01-19 2002-08-08 Exxonmobil Chemical Patents Inc. Hot melt adhesives
CN2484395Y (en) † 2001-05-28 2002-04-03 刘大成 Multifunction ecologic window
GB2401141A (en) † 2003-05-02 2004-11-03 Komfort Office Environments Glazed wall assembly
US20070175120A1 (en) † 2004-02-03 2007-08-02 Karl Lenhardt Insulating glass panel and method for producing the same

Also Published As

Publication number Publication date
DE102006002676A1 (en) 2007-08-02
ES2339880T5 (en) 2016-11-10
EP1811114A3 (en) 2009-01-14
DK1811114T4 (en) 2016-09-12
ATE460556T1 (en) 2010-03-15
ES2339880T3 (en) 2010-05-26
DK1811114T3 (en) 2010-05-10
EP1811114A2 (en) 2007-07-25
EP1811114B1 (en) 2010-03-10
DE502007003047D1 (en) 2010-04-22

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